:root{--bg-color: #f9f7f2;--header-bg: rgba(249, 247, 242, .8);--text-main: #2c2420;--text-muted: #4a3f35;--accent-gold: #d4af37;--wood-dark: #5d4037;--wood-light: #8d6e63;--glass-bg: rgba(255, 255, 255, .1);--glass-border: rgba(255, 255, 255, .2);--shadow-soft: 0 10px 30px rgba(0, 0, 0, .05);--shadow-panel: 0 18px 45px rgba(44, 36, 32, .12);--input-bg: rgba(255, 255, 255, .5);--input-border: rgba(0, 0, 0, .1);--book-bg: #fff;--paper-color: #fffdf9;--nav-active-color: #3a241c;--nav-active-ring: rgba(58, 36, 28, .18);--surface-panel: rgba(255, 255, 255, .72);--surface-elevated: rgba(255, 255, 255, .92);--surface-soft: rgba(255, 255, 255, .58);--control-border: rgba(93, 64, 55, .14);--control-focus-ring: rgba(212, 175, 55, .24);--control-hover: rgba(255, 255, 255, .96);--radius-panel: 24px;--radius-control: 18px;--vibe-mystery: #78909c;--vibe-romance: #ef9a9a;--vibe-classic: #a1887f;--book-width: 160px;--book-height: 240px;--book-thick: 40px;--constellation-book: #facc15;--constellation-mood: #8b5cf6;--constellation-genre: #10b981;--constellation-author: #3b82f6;--constellation-shelf: #f97316;--border-radius-soft: 12px;--shadow-hover: 0 15px 35px rgba(0, 0, 0, .15)}.glass-panel,.book-tooltip,.book-detail-modal,[class*=glass]{background:#00000073!important;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}[data-theme=night]{--bg-color: #1e1a18;--header-bg: rgba(30, 26, 24, .85);--text-main: #e0d5cb;--text-muted: #d5c7bc;--accent-gold: #fccb4e;--wood-dark: #3e2723;--wood-light: #5d4037;--glass-bg: rgba(0, 0, 0, .3);--glass-border: rgba(255, 255, 255, .05);--shadow-soft: 0 10px 40px rgba(0, 0, 0, .4);--shadow-panel: 0 18px 45px rgba(0, 0, 0, .45);--input-bg: rgba(0, 0, 0, .2);--input-border: rgba(255, 255, 255, .1);--book-bg: #2c2420;--paper-color: #e0d5cb;--shadow-hover: 0 15px 45px rgba(0, 0, 0, .5);--nav-active-color: #fff2df;--nav-active-ring: rgba(255, 242, 223, .22);--surface-panel: rgba(19, 16, 14, .74);--surface-elevated: rgba(34, 28, 25, .92);--surface-soft: rgba(255, 255, 255, .06);--control-border: rgba(255, 255, 255, .1);--control-focus-ring: rgba(252, 203, 78, .24);--control-hover: rgba(255, 255, 255, .1)}*{box-sizing:border-box;margin:0;padding:0}button,input,select,textarea,.search-input,.action-btn,.suggestion-btn,.send-btn,.btn-primary,.close-modal-btn,.close-genre-modal,.genre-card,.book-rec-item{transition:background-color .25s ease,color .25s ease,border-color .25s ease,box-shadow .25s ease,transform .25s ease,opacity .2s ease}html{scroll-behavior:smooth;transition:background-color .4s ease,color .4s ease}body{background-color:var(--bg-color);color:var(--text-main);font-family:Georgia,serif;overflow-x:hidden;min-height:100vh;display:flex;flex-direction:column;transition:background-color .4s ease,color .4s ease,border-color .4s ease,box-shadow .4s ease}html,body{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body,p,li,dd,dt{font-family:Georgia,serif;font-size:1rem;line-height:1.65;color:var(--text-main)}h1,h2,h3,h4,h5,h6{font-family:Playfair Display,serif;color:var(--text-main);margin:0 0 .5rem;line-height:1.15;letter-spacing:.2px}h1{font-size:clamp(1.6rem,2.8vw,2.4rem)}h2{font-size:clamp(1.25rem,2.2vw,1.6rem)}h3{font-size:1.15rem}.nav-links a{font-family:Playfair Display,Georgia,serif;font-size:1rem;letter-spacing:.6px;color:var(--text-main);text-decoration:none}a{color:var(--nav-active-color);text-decoration:none}a:hover{text-decoration:underline}.muted,.text-muted,small,.profile-email{color:var(--text-muted);font-size:.95rem}.profile-card,.profile-section,.reading-heatmap-section,.achievements-section,.recent-activity-section{font-size:.98rem}main{flex:1}[data-theme=night] body,html[data-theme=night],html[data-theme=night] body{background-color:#1e1a18!important;color:#fff5f5!important}[data-theme=night] header{background:#1e1a18d9!important;-webkit-backdrop-filter:blur(25px);backdrop-filter:blur(25px);border-bottom:1px solid rgba(255,255,255,.15)}[data-theme=night] .search-input,[data-theme=night] input{background:#0003!important;color:#e0d5cb!important;border-color:#ffffff1a!important}::-webkit-scrollbar{width:12px}::-webkit-scrollbar-track{background:var(--bg-color)}::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--wood-dark),var(--wood-light));border-radius:6px;border:2px solid var(--bg-color)}::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,var(--wood-light),var(--wood-dark));box-shadow:inset 0 0 6px #0000004d}h1,h2,h3{font-weight:400;font-family:Playfair Display,serif}header{padding:1.5rem 4rem;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:100;background:var(--header-bg);backdrop-filter:blur(25px);-webkit-backdrop-filter:blur(25px);border-bottom:1px solid rgba(0,0,0,.15);transition:background-color .4s ease,color .4s ease,backdrop-filter .4s ease,border-color .4s ease}.header-controls{display:flex;align-items:center;gap:2rem}.header-controls{flex-wrap:nowrap;align-items:center;gap:1rem}.search-bar{flex:0 1 320px;min-width:140px;max-width:420px}.search-input{width:100%;max-width:320px}.nav-links{display:flex;flex:0 0 auto;gap:1rem 2rem;white-space:nowrap}@media (max-width: 880px){.header{padding:1rem 1.2rem}.search-bar{max-width:260px}}.search-bar{position:relative;display:flex;align-items:center}.search-input{background:var(--input-bg);border:1px solid var(--input-border);padding:.5rem 1rem;border-radius:20px;font-family:Georgia,serif;width:200px;transition:all .4s ease;outline:none;color:var(--text-main)}.search-input:hover,.search-input:focus{background:var(--book-bg);border-color:#d4af3759}.search-input:focus{width:300px;box-shadow:0 0 0 4px #d4af3724}.search-icon{position:absolute;right:10px;color:var(--text-muted);cursor:pointer;transition:color .3s ease}.search-icon:hover{color:var(--text-main)}.logo{font-size:1.5rem;letter-spacing:1px;color:var(--text-main);text-decoration:none;display:flex;align-items:center;gap:.5rem}.nav-links{display:flex;flex-wrap:wrap;gap:1rem 2rem;align-items:center}.nav-links{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.nav-links::-webkit-scrollbar{display:none}.nav-links a{flex:0 0 auto}.nav-links a{text-decoration:none;color:var(--text-muted);transition:color .3s ease,border-color .3s ease,font-weight .3s ease;display:inline-block;border-bottom:4px solid transparent;padding-bottom:8px}.nav-links a:hover,.nav-links a.active{color:var(--text-main);font-weight:800;border-bottom-color:var(--accent-gold)}.nav-links:hover a.active:not(:hover){border-bottom-color:transparent;color:var(--text-muted);font-weight:400}.tooltip{position:relative;display:inline-block}.tooltip-text{display:none}.tooltip-text:after{display:none}.tooltip:hover .tooltip-text{display:none}.nav-links .tooltip:last-child .tooltip-text{left:auto;right:0;transform:translate(0) scale(.95) translateY(6px)}.nav-links .tooltip:last-child:hover .tooltip-text{transform:translate(0) scale(1) translateY(0)}.nav-links .tooltip:last-child .tooltip-text:after{left:auto;right:15px;transform:rotate(45deg)}.tooltip-text i{display:none}main{padding:2rem 4rem;max-width:1400px;margin:0 auto;width:100%;overflow-x:hidden}button:focus-visible,.search-input:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,.action-btn:focus-visible,.suggestion-btn:focus-visible,.send-btn:focus-visible,.btn-primary:focus-visible,.close-modal-btn:focus-visible,.close-genre-modal:focus-visible,.genre-card:focus-visible,.book-rec-item:focus-visible{outline:3px solid rgba(212,175,55,.35);outline-offset:2px}select,.dropdown{transition:background-color .28s ease,border-color .28s ease,box-shadow .28s ease,color .28s ease}select:focus,.dropdown:focus,input:focus,textarea:focus{box-shadow:0 0 0 4px #d4af371f;border-color:#d4af3759}.hero{text-align:center;padding:6rem 1rem;animation:heroFade 1s ease-out}@keyframes heroFade{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}.hero h1{font-size:clamp(2.5rem,8vw,4.5rem);margin-bottom:1.5rem;font-style:italic;line-height:1.2;letter-spacing:.5px;text-shadow:2px 2px 4px rgba(0,0,0,.2)}.hero p{color:var(--text-muted);font-size:1.2rem;line-height:1.8;max-width:55ch;margin:0 auto}.curated-section{margin-bottom:6rem;width:100%;overflow-x:hidden}.section-header{margin:0 1rem .5rem;display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:1rem}.curated-row{display:flex;gap:3rem;padding:2rem 1rem;overflow-x:auto;overflow-y:hidden;perspective:1000px;-webkit-overflow-scrolling:touch;scroll-behavior:smooth;flex-wrap:nowrap}.book-scene{width:var(--book-width);height:var(--book-height);perspective:1000px;cursor:pointer;flex-shrink:0;min-width:var(--book-width)}.book{width:100%;height:100%;position:relative;transform-style:preserve-3d;transform-origin:center center -20px;animation:floatIn .8s ease-out backwards}@keyframes floatIn{0%{opacity:0;transform:translateY(50px) scale(.9)}to{opacity:1;transform:translateY(0) scale(1)}}.book.flipped{transform:rotateY(180deg) scale(1.2) translateZ(50px);z-index:100}.book__face{position:absolute;width:100%;height:100%;backface-visibility:hidden;border-radius:var(--border-radius-soft);box-shadow:var(--shadow-soft);transition:box-shadow .3s ease,transform .3s ease}.book__face--front{background:var(--book-bg);transform:rotateY(0);z-index:2}.book__face--back{transform:rotateY(180deg);background:var(--paper-color);padding:1.2rem .6rem;display:flex;flex-direction:column;justify-content:space-between;border:1px solid var(--glass-border);z-index:1;color:#2c2420}.book__face--spine{position:absolute;width:var(--book-thick);height:100%;left:0;top:0;transform:rotateY(-90deg) translateZ(calc(var(--book-thick) / 2))}.book{transform-origin:center center -20px}.book__face--front{transform:translateZ(20px)}.book__face--back{transform:rotateY(180deg) translateZ(20px)}.book__face--spine{width:40px;height:100%;background:#333;transform:rotateY(-90deg) translateZ(20px);left:-20px}.book__face--right{width:40px;height:100%;background:linear-gradient(to right,#fff,#f0f0f0 20%,#fff 40%);transform:rotateY(90deg) translateZ(140px);left:auto;right:-20px}.book-scene:hover .book:not(.flipped){transform:translateZ(30px) translateY(-10px) rotateY(-10deg);filter:drop-shadow(var(--shadow-hover))}.book-scene:hover .book__face{box-shadow:var(--shadow-hover)}.glass-overlay{position:absolute;bottom:10px;left:10px;right:10px;background:#ffffffb3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:.5rem;border-radius:6px;opacity:0;transform:translateY(10px);transition:all .3s ease;pointer-events:none}.book-scene:hover .glass-overlay{opacity:1;transform:translateY(0)}.handwritten-note{font-family:Courier New,Courier,monospace;color:var(--text-muted);font-size:.9rem;line-height:1.4;background:#fffdc2;padding:10px;transform:rotate(-2deg);box-shadow:2px 2px 5px #0000001a;margin-bottom:1rem}.read-details-btn{background-color:#3e2723;color:#fffdf9;border:1px solid var(--accent-gold);padding:6px 16px;border-radius:6px;font-family:Playfair Display,Georgia,serif;font-size:.82rem;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px;margin:8px auto 14px;width:96%;box-shadow:0 3px 6px #00000026;transition:background-color .2s ease-in-out;white-space:nowrap}.read-details-btn:hover{background-color:#5d4037}.book__face--back .book-actions{display:flex;justify-content:center;gap:6px;padding:8px 4px;width:100%;margin-top:auto;margin-bottom:2px}.book-actions{display:flex;gap:.35rem;justify-content:center;align-items:center;width:100%}.btn-icon{border:none;background:none;cursor:pointer;font-size:1rem;padding:.15rem .25rem;opacity:.6;transition:opacity .2s,transform .12s}.btn-icon:hover{opacity:1;transform:scale(1.08)}.book__face--back .book-actions .btn-icon{width:28px!important;height:28px!important;border-radius:50%!important;background:#fff!important;border:1.5px solid #5d4037!important;color:#5d4037!important;opacity:1!important;box-shadow:0 2px 4px #5d40371f!important;transition:all .2s cubic-bezier(.4,0,.2,1)!important;display:inline-flex!important;align-items:center!important;justify-content:center!important;padding:0!important;margin:0!important;flex-shrink:0!important;box-sizing:border-box!important}.book__face--back .book-actions .btn-icon i{font-size:11px!important;width:auto!important;height:auto!important;display:inline-flex!important;align-items:center!important;justify-content:center!important}.book__face--back .book-actions .btn-icon:hover{opacity:1!important;background:#3e2723!important;color:#fffdf9!important;border-color:#3e2723!important;transform:translateY(-2px) scale(1.08)!important;box-shadow:0 3px 8px #3e272340!important}.book__face--back .book-actions .btn-icon.mood-btn{color:#b58d12!important;border-color:#e5c158!important;background:#fffef2!important}.book__face--back .book-actions .btn-icon.mood-btn:hover{background:#b58d12!important;color:#fffdf9!important;border-color:#b58d12!important}.book__face--back .book-actions .btn-icon .fa-check{color:#2e7d32!important}.book__face--back .book-actions .btn-icon:hover .fa-check{color:#fffdf9!important}.shelves-container{width:100%;overflow-x:hidden;display:flex;flex-direction:column;gap:4rem;padding:2rem 0}.shelf-row{position:relative;padding:0 2rem 1.5rem;background:repeating-linear-gradient(90deg,transparent 0,transparent 4px,rgba(0,0,0,.02) 5px,transparent 10px),linear-gradient(to bottom,#5d4037,#3e2723);border-bottom:25px solid #281a15;border-radius:4px;box-shadow:0 20px 20px -10px #0000004d,inset 0 2px 20px #0003;display:flex;align-items:flex-end;gap:1.5rem;min-height:280px;flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch}.shelf-row:after{content:"";position:absolute;bottom:25px;left:0;right:0;height:100%;z-index:-1;background:linear-gradient(to bottom,#0000001a,#0006);pointer-events:none}.shelf-label{position:absolute;top:-20px;left:0;font-size:1.2rem;color:var(--wood-light);font-style:italic}.mood-tags{position:absolute;top:5px;left:5px;display:flex;flex-direction:column;gap:2px}.mood-tag{background:#000000b3;color:#fff;padding:2px 6px;border-radius:10px;font-size:.7rem;font-weight:700;text-transform:capitalize}.mood-cozy{background:#8d6e63!important}.mood-dark{background:#424242!important}.mood-mysterious{background:#5e35b1!important}.mood-romantic{background:#e91e63!important}.mood-adventurous{background:#ff5722!important}.mood-melancholy{background:#607d8b!important}.mood-uplifting{background:#4caf50!important}.mood-intense{background:#f44336!important}.mood-whimsical{background:#9c27b0!important}.mood-thought-provoking{background:#795548!important}.glass-mood-tags{margin-top:.5rem;display:flex;gap:.25rem;flex-wrap:wrap}.glass-mood-tag{background:#ffffff4d;padding:1px 4px;border-radius:8px;font-size:.6rem;text-transform:capitalize}.mood-analysis{margin-top:1rem;padding-top:.5rem;border-top:1px solid rgba(0,0,0,.1)}.mood-tags-back{display:flex;gap:.25rem;flex-wrap:wrap;margin-top:.25rem}.mood-tag-small{background:var(--accent-gold);color:#fff;padding:1px 4px;border-radius:6px;font-size:.6rem;text-transform:capitalize}.mood-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000b3;display:flex;justify-content:center;align-items:center;z-index:1000;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.mood-modal-content{background:var(--book-bg);border-radius:12px;max-width:500px;width:90%;max-height:80vh;overflow-y:auto;box-shadow:var(--shadow-soft);border:1px solid var(--glass-border);display:flex;flex-direction:column}.mood-modal-header{padding:1.5rem;border-bottom:1px solid var(--glass-border);display:flex;justify-content:space-between;align-items:center}.mood-modal-header h3{margin:0;color:var(--text-main)}.close-modal{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-muted);padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center}.close-modal:hover{color:var(--text-main)}.mood-modal-body{padding:1.5rem}.mood-section{margin-bottom:1.5rem}.mood-section h4{margin:0 0 .5rem;color:var(--text-main);font-size:1rem}.sentiment-bar{width:100%;height:8px;background:#e0e0e0;border-radius:4px;overflow:hidden;margin:.5rem 0}.sentiment-fill{height:100%;background:linear-gradient(to right,#f44336,#ff9800,#4caf50);transition:width .3s ease}.mood-tags-large{display:flex;gap:.5rem;flex-wrap:wrap}.mood-tag-large{padding:.5rem 1rem;border-radius:20px;font-size:.9rem;font-weight:700;color:#fff;text-transform:capitalize}.vibe-quote{background:var(--paper-color);padding:1rem;border-radius:8px;font-style:italic;color:#2c2420;border-left:4px solid var(--accent-gold);margin:.5rem 0}.mood-btn{color:var(--accent-gold)!important}.mood-btn:hover{color:var(--wood-dark)!important;transform:scale(1.1)}@media (max-width: 768px){.mood-modal-content{width:95%;margin:1rem}.mood-tags-large{flex-direction:column}.mood-tag-large{text-align:center}}.hidden{display:none!important}.constellation-container{width:100%;height:800px;min-height:600px;margin-top:2rem;position:relative;border-radius:24px;overflow:hidden;background:radial-gradient(circle at 50% 0%,rgba(30,41,59,.7),transparent),linear-gradient(to bottom,#020617,#0f172a);border:1px solid rgba(255,255,255,.1);box-shadow:0 25px 50px -12px #00000080;transition:opacity .4s ease,transform .4s ease;display:flex;flex-direction:column}.constellation-container.hidden{display:none!important}#constellation-svg{flex:1;width:100%;height:100%;display:block;cursor:grab;will-change:transform;background:transparent}.constellation-container:fullscreen{width:100vw;height:100vh;border-radius:0;margin:0}.constellation-container:fullscreen #constellation-svg{height:100vh;width:100vw}.constellation-node{outline:none;transition:transform .3s cubic-bezier(.34,1.56,.64,1)}.node-core{stroke:#fffc;stroke-width:2;transition:all .3s ease}.constellation-node:hover .node-core{stroke-width:4;filter:brightness(1.3) drop-shadow(0 0 12px currentColor)}.related-books-box{background:#ffffff08;border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:1.2rem;margin-bottom:1.5rem;transition:all .3s ease}.related-header{display:flex;align-items:center;gap:8px;margin-bottom:1rem;color:var(--accent-gold);font-size:.95rem;font-weight:600}.related-books-container{display:flex;gap:12px;overflow-x:auto;padding-bottom:12px;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.1) transparent}.related-books-container::-webkit-scrollbar{height:4px}.related-books-container::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:4px}.related-book-item{flex:0 0 90px;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);text-decoration:none}.related-book-item:hover{transform:translateY(-4px) scale(1.05)}.related-book-item img{width:100%;aspect-ratio:2/3;object-fit:cover;border-radius:6px;box-shadow:0 4px 12px #0000004d;border:1px solid rgba(255,255,255,.1)}.related-book-title{font-size:.7rem;color:#e2e8f0;margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.2;font-weight:500}.constellation-node.active .node-core{stroke:#fff;stroke-width:5;filter:brightness(1.5) drop-shadow(0 0 20px currentColor)}.constellation-node.dimmed{opacity:.2;filter:grayscale(.8)}.constellation-node text{font-family:Inter,Segoe UI,sans-serif;letter-spacing:.5px;pointer-events:none;-webkit-user-select:none;user-select:none;transition:all .3s ease;opacity:.9}.constellation-node.dimmed text{opacity:0}.constellation-link{stroke-opacity:.15;stroke-linecap:round;transition:all .3s ease}.constellation-link.highlighted{stroke-opacity:.8;stroke-width:3px!important}.constellation-link.dimmed{stroke-opacity:.03}.constellation-toolbar{position:absolute;top:24px;right:24px;display:flex;gap:12px;z-index:100}.constellation-toolbar button{background:#0f172acc;border:1px solid rgba(255,255,255,.1);color:#e2e8f0;padding:10px 16px;border-radius:14px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);cursor:pointer;font-size:14px;font-weight:500;display:flex;align-items:center;gap:8px;transition:all .3s cubic-bezier(.4,0,.2,1)}.constellation-toolbar button:hover{background:#1e293be6;border-color:var(--accent-gold);color:#fff;transform:translateY(-2px);box-shadow:0 10px 15px -3px #0000004d}.constellation-legend{position:absolute;left:24px;bottom:24px;padding:20px;background:#0f172acc;border:1px solid rgba(255,255,255,.1);border-radius:20px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100;color:#f1f5f9}.legend-item{display:flex;align-items:center;gap:12px;margin-bottom:8px;font-size:13px;font-weight:500}.legend-item:last-child{margin-bottom:0}.legend-dot{width:12px;height:12px;border-radius:50%;box-shadow:0 0 10px currentColor;border:2px solid rgba(255,255,255,.4)}.book-node{color:#facc15}.mood-node{color:#8b5cf6}.genre-node{color:#10b981}.author-node{color:#3b82f6}.shelf-node{color:#f97316}#constellation-empty-state{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#020617cc;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:150;color:#94a3b8;text-align:center;padding:40px}#constellation-empty-state i{font-size:48px;color:var(--accent-gold);margin-bottom:20px;opacity:.8}#constellation-empty-state h2{color:#f1f5f9;font-size:24px;margin-bottom:12px}@media (max-width: 768px){.constellation-container{min-height:600px}.constellation-toolbar{top:16px;right:16px;gap:8px}.constellation-toolbar button{padding:8px 12px;font-size:12px}.constellation-legend{left:16px;bottom:16px;padding:12px}}.constellation-container:fullscreen{width:100vw;height:100vh;border-radius:0}.constellation-container:fullscreen #constellation-svg{height:100vh}.view-toggles button{cursor:pointer;transition:all .3s ease}.view-toggles .active-view{box-shadow:0 4px 15px #0003;transform:scale(1.05)}.fade-in{animation:fadeIn 1s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}#themeToggle{font-size:1.4rem;color:var(--text-main);cursor:pointer;transition:transform .3s ease,color .3s ease}#themeToggle:hover{transform:rotate(15deg) scale(1.1);color:var(--accent-gold)}.footer{min-height:120px;width:100%;background-color:#222;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:1.2rem;padding:2rem 0;margin-top:4rem}.social_icons{display:flex;gap:2rem;z-index:999}.social_icons a{color:var(--accent-gold);font-size:2rem;transition:transform .3s ease,color .3s ease;text-decoration:none}.social_icons a:hover{color:#fff;transform:translateY(-5px)}.reading-progress{margin-top:.75rem;opacity:.85}.progress-slider{width:100%;accent-color:var(--accent-gold)}.reading-progress small{font-size:.7rem;opacity:.7}.glass-modal{margin:auto;width:90%;max-width:900px;background:transparent;border:none;padding:0;overflow:visible;max-height:95vh}.glass-modal::backdrop{background:#0006;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.modal-content{background:#ffffffa6;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:20px;box-shadow:0 25px 50px -12px #00000040;padding:2.5rem;position:relative;overflow:hidden;overflow-y:auto;animation:modalIn .4s cubic-bezier(.175,.885,.32,1.275);max-height:90vh;color:var(--text-main)}[data-theme=night] .modal-content{background:#1e1a18cc;border:1px solid rgba(255,255,255,.1)}@keyframes modalIn{0%{opacity:0;transform:scale(.9) translateY(20px)}to{opacity:1;transform:scale(1) translateY(0)}}.close-modal-btn{position:absolute;top:1.5rem;right:1.5rem;background:var(--glass-bg);border:none;width:2.5rem;height:2.5rem;border-radius:50%;cursor:pointer;font-size:1.2rem;color:var(--text-muted);transition:all .2s;display:flex;justify-content:center;align-items:center;z-index:10}.close-modal-btn:hover{background:var(--accent-gold);color:#fff;transform:rotate(90deg)}.modal-body{display:grid;grid-template-columns:300px 1fr;gap:3rem}.modal-media{display:flex;justify-content:center;align-items:center}.modal-media img{width:100%;height:auto;border-radius:12px;box-shadow:10px 10px 30px #0003;transform:rotate(-3deg);transition:transform .3s}.modal-media img:hover{transform:rotate(0) scale(1.02)}.modal-info{display:flex;flex-direction:column;gap:1.5rem}.modal-info h2{font-size:2.5rem;line-height:1.2;margin-bottom:0}.modal-subtitle{font-size:1.2rem;color:var(--text-muted);font-style:italic;margin-top:-1rem}.ai-insight-box{background:#fdfaf5;border:1px solid rgba(212,175,55,.2);border-left:4px solid var(--accent-gold);padding:1.2rem 1.5rem;border-radius:12px;margin-top:1.5rem;box-shadow:0 2px 8px #00000008}#modal-ai-note{font-family:Georgia,serif;font-style:italic;color:var(--text-main)!important;line-height:1.6;font-size:1.05rem;display:block}[data-theme=night] .ai-insight-box{background:linear-gradient(135deg,#ffffff0d,#0003)}.ai-insight-box:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--accent-gold),transparent);opacity:.5}.ai-header{display:flex;align-items:center;gap:.8rem;font-family:Courier New,monospace;font-weight:700;color:var(--accent-gold);margin-bottom:1rem;text-transform:uppercase;letter-spacing:1px;font-size:.9rem}#modal-summary{line-height:1.6;color:var(--text-main)}.modal-section-title,.purchase-header,.purchase-links-box,.emotion-tagging-section{color:var(--text-main)}.emotion-tag{display:inline-flex;align-items:center;gap:5px;padding:5px 12px;border-radius:20px;font-size:.82rem;cursor:pointer;border:1px solid var(--control-border);background:var(--surface-soft);color:var(--text-main);transition:all .2s ease;margin:3px 2px}.emotion-tag:hover,.emotion-tag.active{background:var(--accent-gold);color:#2c2420;border-color:var(--accent-gold)}.modal-actions{margin-top:auto;display:flex;gap:.75rem;align-items:center;justify-content:flex-end;flex-wrap:wrap}.btn-primary{background:var(--text-main);color:var(--bg-color);border:none;padding:.8rem 1.25rem;min-height:44px;min-width:140px;border-radius:12px;font-family:Georgia,serif;font-size:1.05rem;cursor:pointer;transition:all .18s ease;display:flex;align-items:center;gap:.6rem}.btn-primary:hover{background:var(--accent-gold);color:#fff;transform:translateY(-2px);box-shadow:0 6px 20px #0000001f}.btn-preview,.btn-secondary{min-height:44px;min-width:120px;padding:.7rem 1rem;border-radius:12px;display:inline-flex;align-items:center;gap:.6rem;font-family:inherit;font-size:.98rem}.btn-preview{background:transparent;color:var(--text-main);border:2px solid var(--glass-border)}.btn-preview:hover{background:#d4af3714;border-color:var(--accent-gold)}.btn-secondary{background:transparent;border:1px solid var(--glass-border);color:var(--text-main)}.btn-secondary:hover{background:#0000000a;transform:translateY(-1px)}.btn-primary:focus-visible,.btn-preview:focus-visible,.btn-secondary:focus-visible{outline:3px solid rgba(212,175,55,.18);outline-offset:3px}#modal-add-btn{min-height:44px;min-width:140px;padding:.8rem 1.25rem;border-radius:12px;display:inline-flex;align-items:center;gap:.6rem;background:transparent;border:2px solid var(--glass-border);color:var(--text-main);font-family:inherit;font-size:1rem;cursor:pointer;transition:all .18s ease}#modal-add-btn:hover{background:#d4af370f;border-color:var(--accent-gold);transform:translateY(-1px)}#modal-add-btn.library-remove-btn{background:linear-gradient(135deg,var(--accent-gold),#e6c44a);color:var(--wood-dark);border-color:var(--accent-gold);box-shadow:0 8px 28px #d4af372e}#modal-add-btn.library-remove-btn:hover{transform:translateY(-2px)}#modal-add-btn:focus-visible{outline:3px solid rgba(212,175,55,.18);outline-offset:3px}@media (max-width: 768px){.modal-body{grid-template-columns:1fr}.modal-media img{max-width:200px;transform:rotate(0)}.modal-content{padding:1.5rem}.modal-info h2{font-size:1.8rem}.ai-insight-box{padding:1rem 1.2rem}#modal-ai-note{font-size:.95rem}.modal-actions{flex-direction:column;width:100%}.btn-primary,.btn-secondary,.btn-preview{width:100%}}.chat-container{max-width:900px;margin:0 auto;height:calc(100vh - 80px);display:flex;flex-direction:column;background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-soft)}.chat-header{padding:20px 25px;background:var(--glass-bg);border-bottom:1px solid var(--glass-border);display:flex;justify-content:space-between;align-items:center}.bookseller-info{display:flex;align-items:center;gap:15px}.bookseller-avatar{width:50px;height:50px;background:var(--accent-gold);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--wood-dark);font-size:20px;box-shadow:0 4px 15px #d4af374d}.bookseller-details h2{font-family:Playfair Display,serif;color:var(--text-main);font-size:1.4rem;margin-bottom:4px}.status{display:flex;align-items:center;gap:8px;color:var(--text-muted);font-size:.9rem}.status-dot{width:8px;height:8px;background:#4caf50;border-radius:50%;animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.chat-actions{display:flex;gap:10px}.action-btn{width:40px;height:40px;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:10px;color:var(--text-muted);cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center}.action-btn:hover{background:var(--accent-gold);color:var(--wood-dark);transform:translateY(-2px)}.chat-messages{flex:1;overflow-y:auto;padding:20px 25px;display:flex;flex-direction:column;gap:20px}.message{display:flex;gap:12px;max-width:80%}.message.user-message{align-self:flex-end;flex-direction:row-reverse}.message-avatar{width:35px;height:35px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}.bookseller-message .message-avatar{background:var(--accent-gold);color:var(--wood-dark)}.user-message .message-avatar{background:var(--wood-light);color:var(--paper-color)}.message-content{flex:1}.message-bubble{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:18px;padding:15px 18px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 4px 15px #0000001a}.user-message .message-bubble{background:var(--accent-gold);color:var(--wood-dark);border-color:var(--accent-gold)}.message-bubble p{margin-bottom:8px;line-height:1.5;color:var(--text-main)}.user-message .message-bubble p{color:var(--wood-dark)}.message-bubble p:last-child{margin-bottom:0}.message-time{font-size:.75rem;color:var(--text-muted);margin-top:5px;text-align:left}.user-message .message-time{text-align:right}.quick-suggestions{padding:15px 25px;border-top:1px solid var(--glass-border);background:var(--glass-bg)}.suggestions-header{font-size:.9rem;color:var(--text-muted);margin-bottom:12px}.suggestions-list{display:flex;gap:10px;flex-wrap:wrap}.suggestion-btn{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:20px;padding:8px 15px;color:var(--text-main);cursor:pointer;transition:all .3s ease;font-size:.85rem;display:flex;align-items:center;gap:6px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.suggestion-btn:hover{background:var(--accent-gold);color:var(--wood-dark);transform:translateY(-2px);box-shadow:0 4px 15px #d4af374d}.chat-input-container{padding:20px 25px;border-top:1px solid var(--glass-border);background:var(--glass-bg)}.chat-input-wrapper{display:flex;gap:12px;align-items:flex-end;background:var(--input-bg);border:1px solid var(--input-border);border-radius:20px;padding:12px 15px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}#chatInput{flex:1;background:transparent;border:none;outline:none;color:var(--text-main);font-size:1rem;line-height:1.4;resize:none;min-height:24px;max-height:120px;font-family:inherit}#chatInput::placeholder{color:var(--text-muted)}.send-btn{width:40px;height:40px;background:var(--accent-gold);border:none;border-radius:50%;color:var(--wood-dark);cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;flex-shrink:0}.send-btn:hover{transform:scale(1.1);box-shadow:0 4px 15px #d4af3766}.send-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.input-hint{margin-top:8px;font-size:.8rem;color:var(--text-muted);display:flex;align-items:center;gap:6px}.book-recommendation{margin:15px 0;padding:15px;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:12px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.book-rec-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.book-rec-title{font-weight:600;color:var(--text-main);font-size:.95rem}.book-rec-count{font-size:.8rem;color:var(--text-muted);background:var(--glass-bg);padding:4px 8px;border-radius:10px}.book-rec-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px}.book-rec-item{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:8px;padding:10px;text-align:center;cursor:pointer;transition:all .3s ease;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.book-rec-item:hover{transform:translateY(-3px);box-shadow:0 6px 20px #00000026;border-color:var(--accent-gold)}.book-rec-cover{width:60px;height:90px;background:var(--book-bg);border-radius:4px;margin:0 auto 8px;display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:0 2px 8px #0000001a;flex-shrink:0}.book-rec-cover img{width:100%;height:100%;object-fit:cover}.book-rec-cover i{font-size:24px;color:var(--text-muted)}.book-rec-info h4{font-size:.8rem;color:var(--text-main);margin-bottom:4px;line-height:1.2;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.book-rec-info p{font-size:.7rem;color:var(--text-muted);display:-webkit-box;-webkit-line-clamp:1;line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.emotion-tags-container{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.emotion-tag{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;padding:4px 12px;font-size:.75rem;color:var(--text-main);cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:6px}.emotion-tag:hover{background:#ffffff1a;border-color:var(--accent-gold)}.emotion-tag.active{background:var(--accent-gold);color:#000;border-color:var(--accent-gold)}.mood-selector-modal{margin-top:16px;padding:16px;background:#0003;border-radius:12px;border:1px solid var(--glass-border)}.mood-selector-title{font-family:Playfair Display,serif;font-size:1rem;margin-bottom:12px;color:var(--accent-gold)}.mood-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:10px}.mood-item{padding:8px;border-radius:8px;background:var(--glass-bg);border:1px solid var(--glass-border);text-align:center;cursor:pointer;transition:transform .2s}.mood-item:hover{transform:scale(1.05);border-color:var(--accent-gold)}.mood-item i{display:block;font-size:1.2rem;margin-bottom:4px}.mood-item span{font-size:.7rem;text-transform:uppercase;letter-spacing:.5px}.typing-indicator{display:flex;align-items:center;gap:12px;max-width:80%}.typing-indicator .message-avatar{width:35px;height:35px;background:var(--accent-gold);color:var(--wood-dark);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px}.typing-bubble{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:18px;padding:15px 18px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;align-items:center;gap:4px}.typing-dot{width:8px;height:8px;background:var(--text-muted);border-radius:50%;animation:typing 1.4s infinite ease-in-out}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-10px);opacity:1}}@media (max-width: 768px){.chat-container{height:calc(100vh - 60px);border-radius:0;margin:0}.chat-header{padding:15px 20px}.bookseller-details h2{font-size:1.2rem}.chat-messages{padding:15px 20px}.message{max-width:90%}.suggestions-list{flex-direction:column}.suggestion-btn{justify-content:center}.book-rec-grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:8px}}@media (max-width: 480px){.chat-header{padding:12px 15px}.bookseller-avatar{width:40px;height:40px;font-size:16px}.bookseller-details h2{font-size:1.1rem}.chat-messages{padding:12px 15px}.chat-input-container{padding:15px}.book-rec-grid{grid-template-columns:repeat(2,1fr)}}.genre-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:1.25rem;padding:2rem .5rem}.genre-card{display:flex;flex-direction:row;align-items:center;justify-content:flex-start;gap:1rem;padding:1.35rem 1.6rem;cursor:pointer;transition:all .3s cubic-bezier(.23,1,.32,1);border-radius:18px;box-shadow:0 10px 24px #0000002e;min-height:112px;position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.08);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.genre-card:before,.genre-card:after{display:none}.genre-card i{font-size:1.9rem;margin-bottom:0;margin-right:0;color:#fffffff2;text-shadow:0 1px 3px rgba(0,0,0,.3);transition:transform .3s ease;flex-shrink:0}.genre-card span{font-family:Playfair Display,serif;font-size:1.1rem;font-weight:600;color:#f5f5f5;text-transform:capitalize;letter-spacing:.5px;text-shadow:0 1px 2px rgba(0,0,0,.5);text-align:left;writing-mode:horizontal-tb;transform:none;line-height:1.2}.genre-card:hover{transform:translateY(-6px);box-shadow:0 16px 30px #00000047;z-index:10}.genre-card:hover i{transform:scale(1.1);color:#fff}.genre-card[data-genre=romance]{background:linear-gradient(90deg,#4a0d24,#751838 40%,#5c112a)}.genre-card[data-genre=mystery]{background:linear-gradient(90deg,#0d1b33,#1a2f52 40%,#12213d)}.genre-card[data-genre=fiction]{background:linear-gradient(90deg,#0f3316,#1e5228 40%,#163d1e)}.genre-card[data-genre=crime]{background:linear-gradient(90deg,#181818,#2e2e2e 40%,#1f1f1f)}.genre-card[data-genre=fantasy]{background:linear-gradient(90deg,#240a3d,#3e1b61 40%,#2e104a)}.genre-card[data-genre=thriller]{background:linear-gradient(90deg,#3d1508,#612712 40%,#4a1a0d)}.genre-card[data-genre=biography]{background:linear-gradient(90deg,#2b1b12,#4e342e 40%,#3e2723)}.genre-card[data-genre=self-help]{background:linear-gradient(90deg,#20330d,#334d16 40%,#273b11)}.genre-card[data-genre=science]{background:linear-gradient(90deg,#08282e,#14424a 40%,#0e3036)}.genre-card[data-genre=history]{background:linear-gradient(90deg,#382e1c,#594a2e 40%,#453923)}.genre-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:#0009;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:none;padding:0;max-width:100%;max-height:100%;z-index:10000}.genre-modal::backdrop{background:transparent}.genre-modal-content{background:var(--bg-color);width:90%;max-width:1100px;max-height:85vh;margin:5vh auto;border-radius:24px;overflow:hidden;box-shadow:0 25px 80px #0000004d;display:flex;flex-direction:column;color:var(--text-main)}.genre-modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 2rem;border-bottom:1px solid rgba(0,0,0,.1);background:linear-gradient(to bottom,var(--card-bg),transparent)}.genre-modal-header h2{font-family:Playfair Display,serif;font-size:1.75rem;color:var(--text-main);margin:0}.close-genre-modal{width:44px;height:44px;background:transparent;border:1px solid transparent;font-size:1.5rem;color:var(--text-muted, rgba(0, 0, 0, .6));cursor:pointer;padding:0;line-height:1;border-radius:50%;flex-shrink:0;aspect-ratio:1 / 1;display:flex;align-items:center;justify-content:center;transition:all .25s cubic-bezier(.25,.46,.45,.94)}.close-genre-modal:hover{background-color:#dc354514;color:#c9302c;transform:scale(1.04)}.close-genre-modal:active{transform:scale(.96)}[data-theme=night] .close-genre-modal{background-color:transparent;border:1px solid transparent;color:#ffffffb3}[data-theme=night] .close-genre-modal:hover{background-color:#ff63681f;border-color:#ff636840;color:#ffb3b3;transform:scale(1.04)}.genre-modal-body{padding:2rem;overflow-y:auto;flex:1}.genre-books-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:1.5rem;padding:2rem;perspective:1000px;justify-items:center;width:100%;max-width:100%}.genre-book-card{background:var(--card-bg);border-radius:12px;overflow:hidden;transition:all .3s ease;cursor:pointer;box-shadow:0 4px 15px #0000001a}.genre-book-card:hover{transform:translateY(-5px);box-shadow:0 12px 30px #0003}.genre-book-card img{width:100%;height:200px;object-fit:cover}.genre-book-info{padding:1rem}.genre-book-info h4{font-family:Playfair Display,serif;font-size:.95rem;font-weight:600;color:var(--text-main);margin:0 0 .25rem;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.genre-book-info p{font-size:.8rem;color:var(--text-secondary);margin:0}.genre-loading{grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem;color:var(--text-secondary);gap:1rem}.genre-loading i{font-size:2rem;color:var(--accent-gold)}@media (max-width: 900px){.genre-grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}}@media (max-width: 600px){.genre-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.9rem}.genre-card{min-height:96px;padding:1rem;gap:.85rem}.genre-card i{font-size:1.5rem}.genre-card span{font-size:.85rem}.genre-modal-content{width:95%;max-height:90vh;margin:2.5vh auto}.genre-books-grid{grid-template-columns:repeat(2,1fr);gap:1rem}}.bookshelf-3d-container{perspective:1200px;perspective-origin:center 40%;padding:2rem 0;min-height:400px;display:flex;flex-direction:column}.library-empty-state{text-align:center;padding:4rem 2rem;background:var(--glass-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--glass-border);border-radius:20px;max-width:600px;margin:2rem auto;animation:fadeIn .8s ease-out;display:flex;flex-direction:column;align-items:center;box-shadow:var(--shadow-soft)}.empty-state-icon{font-size:4rem;color:var(--accent-gold);margin-bottom:1.5rem;opacity:.8}.library-empty-state h2{font-size:2rem;margin-bottom:1rem;font-family:Playfair Display,serif;font-style:italic}.library-empty-state p{color:var(--text-muted);font-size:1.1rem;line-height:1.6;max-width:40ch;margin-bottom:1rem}.shelf-section-3d{margin-bottom:4rem;position:relative;padding-top:2rem;border-top:4px solid #3e2723}.shelf-section-3d:first-child{border-top:none;padding-top:0}.shelf-section-3d .shelf-label{position:relative;top:auto;left:auto;margin-bottom:1.5rem;font-size:1.4rem;color:var(--text-main);font-style:italic;font-family:Playfair Display,serif;display:flex;align-items:center;gap:.5rem;padding-bottom:.5rem;border-bottom:2px solid #4e342e}.bookshelf-3d{position:relative;transform-style:preserve-3d;transform:rotateX(2deg);min-height:350px;padding:30px 40px 20px;margin:0 -20px;background:repeating-linear-gradient(90deg,transparent 0,transparent 3px,rgba(0,0,0,.03) 3px,transparent 8px),repeating-linear-gradient(0deg,transparent 0,transparent 50px,rgba(0,0,0,.02) 50px,transparent 100px),linear-gradient(to bottom,#6d4c3d,#5d4037 15%,#4e342e,#3e2723 85%,#2c1810);border-radius:4px;box-shadow:inset 0 5px 15px #0006,inset 0 -3px 10px #ffffff0d,0 20px 40px #0000004d,0 5px 15px #0003}.bookshelf-3d:before{content:"";position:absolute;top:0;left:0;right:0;bottom:25px;background:linear-gradient(to bottom,#0000004d,#0000001a);border-radius:4px 4px 0 0;z-index:-1}.bookshelf-3d:after{content:"";position:absolute;bottom:0;left:-5px;right:-5px;height:25px;background:linear-gradient(to bottom,#4e342e,#3e2723 40%,#2c1810);border-radius:0 0 6px 6px;box-shadow:0 8px 20px #0006,inset 0 2px 5px #ffffff1a;transform:translateZ(20px)}.books-row-3d{display:flex;align-items:flex-end;gap:0;height:300px;padding-bottom:10px;transform-style:preserve-3d;position:relative;z-index:1}.book-spine-3d{position:relative;transform-style:preserve-3d;cursor:pointer;transition:all .4s cubic-bezier(.23,1,.32,1);transform-origin:bottom left;transform:rotate(-8deg) rotateY(-5deg);margin-right:3px}.book-spine-3d:last-child{margin-right:0}.book-spine-3d:nth-child(2n){transform:rotate(-6deg) rotateY(-4deg)}.book-spine-3d:nth-child(3n){transform:rotate(-10deg) rotateY(-6deg)}.book-spine-3d:nth-child(4n){transform:rotate(-7deg) rotateY(-3deg)}.spine-face{height:100%;width:100%;border-radius:2px 4px 4px 2px;display:flex;flex-direction:column;justify-content:flex-start;align-items:center;padding:12px 3px;position:relative;overflow:visible;box-shadow:inset 0 0 20px #0003,2px 0 8px #0000004d;background-image:linear-gradient(to right,#00000026,#ffffff1a,#0000001a);background-blend-mode:overlay}.spine-title{writing-mode:vertical-rl;text-orientation:mixed;transform:rotate(180deg);font-family:Georgia,serif;font-size:.85rem;font-weight:700;color:inherit;text-align:center;line-height:1.15;flex:1;display:flex;align-items:center;justify-content:center;overflow:visible;white-space:nowrap;letter-spacing:.5px;text-shadow:0 1px 3px rgba(0,0,0,.4);padding:5px 2px}.spine-author{writing-mode:vertical-rl;text-orientation:mixed;transform:rotate(180deg);font-family:Georgia,serif;font-size:.6rem;font-weight:500;opacity:.9;margin-top:8px;text-shadow:0 1px 2px rgba(0,0,0,.3);white-space:nowrap}.book-edge{display:none}.book-top{position:absolute;top:-6px;left:0;right:-8px;height:6px;background:linear-gradient(to right,var(--spine-color, #5d4037) 0%,var(--spine-color, #5d4037) calc(100% - 8px),#3e2723 calc(100% - 8px),#3e2723 100%);transform:rotateX(90deg) translateZ(3px);border-radius:2px 2px 0 0}.book-spine-3d:hover{transform:rotate(0) rotateY(0) translateZ(20px) translateY(-10px);z-index:100}.book-spine-3d:hover .spine-face{box-shadow:inset 0 0 20px #0003,5px 10px 30px #0006,0 0 15px #d4af374d}.book-tooltip{position:fixed;background:#fffffffa;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(0,0,0,.1);border-radius:16px;padding:1.25rem;min-width:280px;max-width:320px;box-shadow:0 20px 60px #0003,0 8px 25px #00000026;z-index:10000;pointer-events:none;opacity:0;transform:translateY(10px) scale(.95);transition:all .3s cubic-bezier(.23,1,.32,1)}.book-tooltip .tooltip-title,.book-tooltip .tooltip-author,.book-tooltip .tooltip-rating-text,.book-tooltip .tooltip-description{color:#f5f5f5!important}[data-theme=night] .book-tooltip{background:#2c2420fa;border:1px solid rgba(255,255,255,.1)}.book-tooltip.visible{opacity:1;transform:translateY(0) scale(1)}.tooltip-header{display:flex;gap:1rem;margin-bottom:.75rem}.tooltip-cover{width:60px;height:85px;border-radius:4px;object-fit:cover;box-shadow:0 4px 12px #00000026;flex-shrink:0}.tooltip-info{flex:1;min-width:0}.tooltip-title{font-family:Playfair Display,serif;font-size:1.25rem;font-weight:700;color:var(--text-main);margin-bottom:.25rem;line-height:1.3}.tooltip-author{font-size:1rem;color:var(--text-muted);font-weight:500;margin-bottom:.5rem}.tooltip-rating{display:flex;align-items:center;gap:.5rem;font-size:.85rem}.tooltip-stars{color:var(--accent-gold);letter-spacing:2px}.tooltip-rating-text{color:var(--text-muted)}.tooltip-description{font-size:.85rem;color:var(--text-muted);line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;border-top:1px solid rgba(0,0,0,.08);padding-top:.75rem;margin-top:.5rem}[data-theme=night] .tooltip-description{border-top-color:#ffffff14}.tooltip-hint{font-size:.75rem;color:var(--accent-gold);text-align:center;margin-top:.75rem;opacity:.9}.book-detail-modal{position:fixed;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at top,rgba(212,175,55,.12),transparent 38%),#0000009e;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:flex;justify-content:center;align-items:center;z-index:10001;opacity:0;visibility:hidden;transition:all .4s ease;padding:2rem}.book-detail-modal.active{opacity:1;visibility:visible}.book-detail-content{background:linear-gradient(180deg,var(--surface-elevated),var(--surface-panel));border-radius:var(--radius-panel);max-width:900px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-panel);border:1px solid var(--glass-border);transform:translateY(30px) scale(.95);transition:all .4s cubic-bezier(.23,1,.32,1);position:relative}.book-detail-modal.active .book-detail-content{transform:translateY(0) scale(1)}.modal-close-btn{position:absolute;top:15px;right:15px;width:36px;height:36px;border-radius:50%;flex-shrink:0;aspect-ratio:1 / 1;display:flex;align-items:center;justify-content:center;padding:0;font-size:1.25rem;line-height:1;cursor:pointer;z-index:100;transition:all .25s cubic-bezier(.25,.46,.45,.94);background-color:transparent;border:1px solid transparent;color:var(--text-muted, rgba(0, 0, 0, .6))}.modal-close-btn:hover{background-color:#dc354514;color:#c9302c;transform:scale(1.04)}.modal-close-btn:active{transform:scale(.96)}[data-theme=night] .modal-close-btn{background-color:transparent;border:1px solid transparent;color:#ffffffb3}[data-theme=night] .modal-close-btn:hover{background-color:#ff63681f;border-color:#ff636840;color:#ffb3b3;transform:scale(1.04)}.book-detail-grid{display:grid;grid-template-columns:280px 1fr;gap:3rem;padding:2.5rem}.book-expanded-layout{display:grid;grid-template-columns:minmax(280px,320px) minmax(0,1fr);gap:1.5rem;align-items:start;padding:1.25rem}.book-cover-section{position:relative}.book-cover-3d{position:relative;transform-style:preserve-3d;transform:perspective(800px) rotateY(-15deg);transition:transform .5s ease}.book-cover-3d:hover{transform:perspective(800px) rotateY(-5deg)}.book-cover-image{width:100%;height:auto;border-radius:8px;box-shadow:15px 15px 40px #0000004d,5px 5px 15px #0003}.book-cover-spine{position:absolute;left:-20px;top:5px;bottom:5px;width:20px;background:linear-gradient(to right,#0000004d,#0000001a);border-radius:4px 0 0 4px;transform:rotateY(-90deg) translateZ(10px)}.book-info-section{display:flex;flex-direction:column;gap:1.5rem}.book-title-large{font-family:Playfair Display,serif;font-size:2.5rem;font-weight:600;color:var(--text-main);line-height:1.2;margin:0}.book-author-large{font-size:1.25rem;color:var(--text-muted);font-style:italic;margin:0}.book-meta{display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap}.book-rating-large{display:flex;align-items:center;gap:.75rem}.rating-stars-large{font-size:1.25rem;color:var(--accent-gold);letter-spacing:3px}.rating-score{font-size:1.1rem;font-weight:600;color:var(--text-main)}.rating-count{font-size:.9rem;color:var(--text-muted)}.book-categories{display:flex;gap:.5rem;flex-wrap:wrap}.category-tag{background:var(--glass-bg);border:1px solid var(--glass-border);padding:.4rem .8rem;border-radius:20px;font-size:.8rem;color:var(--text-muted)}.book-description-section{padding-top:1rem;border-top:1px solid var(--glass-border)}.book-description-section h3{font-family:Playfair Display,serif;font-size:1.25rem;color:var(--text-main);margin-bottom:1rem}.book-description-text{font-size:1rem;line-height:1.8;color:var(--text-muted)}.book-reviews-section{padding-top:1.5rem;border-top:1px solid var(--glass-border)}.book-reviews-section h3{font-family:Playfair Display,serif;font-size:1.25rem;color:var(--text-main);margin-bottom:1rem}.review-item{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:12px;padding:1.25rem;margin-bottom:1rem}.review-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.75rem}.reviewer-name{font-weight:600;color:var(--text-main)}.review-rating{color:var(--accent-gold);font-size:.9rem}.review-text{font-size:.95rem;line-height:1.6;color:var(--text-muted);font-style:italic}.book-actions-section{display:flex;gap:1rem;margin-top:auto;padding-top:1.5rem}.action-btn-primary{flex:1;padding:1rem 1.5rem;border-radius:30px;border:none;font-family:Georgia,serif;font-size:1rem;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;gap:.75rem}.action-btn-primary.add-to-library{background:var(--accent-gold);color:var(--wood-dark)}.action-btn-primary.add-to-library:hover{background:#e6c44a;transform:translateY(-2px);box-shadow:0 8px 25px #d4af3766}.action-btn-primary.mark-read{background:var(--glass-bg);border:2px solid var(--glass-border);color:var(--text-main)}.action-btn-primary.mark-read:hover{background:var(--wood-light);color:#fff;border-color:var(--wood-light)}.empty-shelf-3d{display:flex;align-items:center;justify-content:center;height:180px;width:100%;color:#fff9;font-style:italic;font-size:1.1rem;text-shadow:0 2px 4px rgba(0,0,0,.3)}@media (max-width: 900px){.book-detail-grid{grid-template-columns:1fr;gap:2rem}.book-cover-section{max-width:250px;margin:0 auto}.book-cover-3d{transform:perspective(800px) rotateY(0)}.book-title-large{font-size:2rem;text-align:center}.book-author-large{text-align:center}.book-meta{justify-content:center}}@media (max-width: 768px){.bookshelf-3d{padding:20px 25px 15px;transform:rotateX(0)}.books-row-3d{gap:4px;height:180px;overflow-x:auto;padding-bottom:15px}.book-spine-3d{transform:rotateY(-5deg);flex-shrink:0}.book-spine-3d:hover{transform:rotateY(-3deg) translateZ(15px) translateY(-10px)}.book-detail-content{border-radius:20px 20px 0 0;max-height:95vh}.book-detail-grid{padding:1.5rem}.book-actions-section{flex-direction:column}}@media (max-width: 480px){.shelf-section-3d .shelf-label{font-size:1.2rem}.bookshelf-3d{padding:15px 20px 10px;margin:0 -10px}.books-row-3d{height:160px}.spine-title{font-size:.65rem}.spine-author{display:none}.spine-author .ai-insight-box,.spine-author .purchase-links-box,.spine-author .price-tracker-section,.spine-author .reading-progress-tracker,.spine-author .book-reviews-section,.spine-author .shelf-selection-row{background:var(--surface-soft);border:1px solid var(--glass-border);border-radius:20px;padding:1rem 1.1rem;box-shadow:0 10px 24px #0000000d}.spine-author .ai-insight-box{position:relative;overflow:hidden;margin-top:.25rem}.spine-author .ai-insight-box:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;background:linear-gradient(135deg,rgba(212,175,55,.08),transparent 45%);pointer-events:none}.spine-author .ai-header,.spine-author .purchase-header,.spine-author .price-tracker-header,.spine-author .progress-tracker-header{display:inline-flex;align-items:center;gap:.6rem;margin-bottom:.85rem;padding:.35rem .8rem;border-radius:999px;background:#d4af371f;color:var(--accent-gold);font-size:.85rem;font-weight:700;letter-spacing:.03em}.spine-author .purchase-links-container{display:flex;flex-wrap:wrap;gap:.5rem}.spine-author .purchase-links-container a,.spine-author .purchase-link-btn{border-radius:999px!important;transition:transform .2s ease,box-shadow .2s ease,opacity .2s ease}.spine-author .purchase-links-container a:hover,.spine-author .purchase-link-btn:hover{transform:translateY(-2px);box-shadow:0 8px 18px #0000001f}.spine-author .price-tracker-section{padding-top:1rem}.spine-author .price-tracker-section input[type=number]{width:100%;padding:.75rem .95rem .75rem 2rem;border-radius:14px;border:1px solid var(--control-border);background:var(--control-hover);color:var(--text-main);transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease}.spine-author .price-tracker-section input[type=number]:focus{outline:none;border-color:var(--accent-gold);box-shadow:0 0 0 4px var(--control-focus-ring)}.spine-author .price-tracker-section button,.spine-author .progress-save-btn,.spine-author .progress-mode-btn{border-radius:999px}.spine-author .shelf-selection-row{gap:.65rem;align-items:stretch;position:relative}.spine-author .library-select-label{font-family:Georgia,serif;font-size:.9rem;color:var(--text-muted);font-weight:700;text-transform:uppercase;letter-spacing:.04em}.book-title-large{font-size:1.5rem}}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem 1rem;color:var(--text-muted, #888);text-align:center;width:100%;min-height:200px}.empty-state i{font-size:2.5rem;margin-bottom:1rem;color:var(--accent-gold, #d4af37);opacity:.7}.empty-state p{font-family:Playfair Display,serif;font-size:1.1rem;margin:0}.toast-notification{position:fixed;bottom:20px;right:20px;background:var(--header-bg, #fff);color:var(--text-main, #333);padding:1rem 1.5rem;border-radius:8px;box-shadow:0 4px 12px #00000026;z-index:1000;font-family:Georgia,serif;display:flex;align-items:center;gap:10px;border-left:4px solid var(--accent-gold);animation:slideIn .3s ease-out,fadeOut .3s ease-in 2.7s forwards}.toast-notification.error{border-left-color:#d32f2f}.toast-notification.info{border-left-color:var(--accent-gold)}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}.spine-texture-leather .spine-face{background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.15'/%3E%3C/svg%3E"),linear-gradient(to right,#0000004d,#ffffff1a 40%,#0003);background-blend-mode:overlay}.spine-texture-cloth .spine-face{background-image:repeating-linear-gradient(45deg,rgba(0,0,0,.05) 0px,rgba(0,0,0,.05) 1px,transparent 1px,transparent 4px),repeating-linear-gradient(-45deg,rgba(0,0,0,.05) 0px,rgba(0,0,0,.05) 1px,transparent 1px,transparent 4px),linear-gradient(to right,#0003,#ffffff1a,#0003)}.spine-texture-paper .spine-face{background-image:linear-gradient(to right,#0000001a,#ffffff0d,#0000001a)}.spine-texture-worn .spine-face{background-image:url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10 10 L20 20 M50 50 L60 40 M80 20 L70 30' stroke='rgba(0,0,0,0.2)' stroke-width='1' fill='none'/%3E%3C/svg%3E"),linear-gradient(to bottom,rgba(0,0,0,.2) 0%,transparent 10%,transparent 90%,rgba(0,0,0,.2) 100%),linear-gradient(to right,#0000004d,#ffffff0d,#0003)}.spine-pattern-bands:before{content:"";position:absolute;top:15%;left:0;right:0;height:3px;background:var(--accent-gold);box-shadow:0 1px 2px #0000004d;pointer-events:none}.spine-pattern-bands:after{content:"";position:absolute;bottom:20%;left:0;right:0;height:3px;background:var(--accent-gold);box-shadow:0 1px 2px #0000004d;pointer-events:none}.spine-pattern-frame:before{content:"";position:absolute;top:10%;bottom:15%;left:6px;right:6px;border:1px solid rgba(255,255,255,.3);pointer-events:none}.spine-pattern-ornament:before{content:"?";position:absolute;bottom:25%;left:50%;transform:translate(-50%);color:var(--accent-gold);font-size:1.2rem;opacity:.8}.spine-title{writing-mode:vertical-rl;text-orientation:mixed;font-family:inherit;font-size:.9rem;font-weight:600;letter-spacing:.5px;text-align:center;max-height:75%;overflow:hidden;text-overflow:ellipsis;margin-top:auto;margin-bottom:auto;text-shadow:0 1px 2px rgba(0,0,0,.3)}.font-serif .spine-title{font-family:Playfair Display,serif;font-style:italic;letter-spacing:1px}.font-sans .spine-title{font-family:Segoe UI,sans-serif;font-weight:700;text-transform:uppercase;font-size:.8rem;letter-spacing:1.5px}.font-hand .spine-title{font-family:Georgia,serif;font-style:italic;font-weight:400}.title-rotate-up .spine-title{transform:rotate(180deg)}.title-stacked .spine-title{writing-mode:horizontal-tb;word-break:break-all;width:80%;font-size:1.2rem;line-height:1.1}.profile-header{background:linear-gradient(135deg,var(--header-bg),var(--bg-color));padding:3rem 2rem;border-bottom:1px solid var(--glass-border);display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);align-items:stretch;gap:1.5rem;max-width:1200px;margin:0 auto}.profile-card{background:var(--book-bg);border:1px solid var(--glass-border);border-radius:20px;padding:2.5rem;display:flex;align-items:center;gap:2rem;box-shadow:var(--shadow-soft);width:100%;position:relative;overflow:hidden;min-height:100%}.profile-card:before{content:"";position:absolute;top:0;left:0;right:0;height:6px;background:linear-gradient(90deg,var(--wood-dark),var(--wood-light),var(--accent-gold))}.profile-avatar-wrapper{position:relative}.profile-avatar{width:120px;height:120px;border-radius:50%;background:var(--wood-light);color:var(--paper-color);display:flex;align-items:center;justify-content:center;font-size:3.5rem;border:4px solid var(--bg-color);box-shadow:0 8px 20px #00000026}.profile-badge{position:absolute;bottom:5px;right:5px;background:var(--accent-gold);color:var(--wood-dark);width:35px;height:35px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1rem;border:3px solid var(--book-bg)}.profile-info h1{font-size:2.2rem;color:var(--text-main);margin-bottom:.5rem}.profile-info{display:flex;flex-direction:column;align-items:flex-start;min-width:0}.profile-email{color:var(--text-muted);font-family:Courier New,monospace;font-size:.95rem;opacity:.8}.profile-since{font-size:.9rem;color:var(--text-muted);margin-top:.5rem;font-style:italic}.profile-actions{margin-top:1.5rem;display:flex;gap:1rem;flex-wrap:wrap}.logout-btn{padding:.6rem 1.2rem;font-size:.9rem;background:var(--wood-dark);color:#fff;border:none;border-radius:8px;cursor:pointer;transition:all .3s ease}.logout-btn:hover{background:#d32f2f;transform:translateY(-2px)}.profile-stats-container{display:flex;justify-content:center;gap:2rem;width:100%;max-width:800px;flex-wrap:wrap}.profile-stat-box{background:var(--glass-bg);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:1.5rem;border-radius:15px;text-align:center;flex:1;min-width:140px;transition:transform .3s ease}.profile-stat-box:hover{transform:translateY(-5px);border-color:var(--accent-gold)}.profile-stat-box i{font-size:1.8rem;color:var(--accent-gold);margin-bottom:.8rem}.profile-stat-box h3{font-size:1.8rem;margin:.5rem 0;color:var(--text-main)}.profile-stat-box span{font-size:.85rem;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted)}.reading-stats-dashboard{width:100%;display:grid;gap:1.5rem;align-content:start}.progress-breakdown{text-align:left;padding:1.5rem}.progress-title{font-size:1.2rem!important;margin-bottom:1rem!important;color:var(--text-main)!important;text-align:left;font-family:Playfair Display,serif}.progress-bar-container{display:flex;height:12px;border-radius:6px;overflow:hidden;background:#0000001a;margin-bottom:1rem}.progress-segment{transition:width 1s ease-out}.progress-segment.finished{background:var(--accent-gold)}.progress-segment.current{background:var(--wood-light)}.progress-segment.want{background:var(--text-muted);opacity:.7}.progress-legend{display:flex;justify-content:space-between;font-size:.85rem;color:var(--text-muted)}.legend-finished{color:var(--accent-gold);font-size:.6rem;margin-right:4px}.legend-current{color:var(--wood-light);font-size:.6rem;margin-right:4px}.legend-want{color:var(--text-muted);opacity:.7;font-size:.6rem;margin-right:4px}.profile-content{max-width:1200px;margin:0 auto;padding:2rem 2rem 4rem;display:flex;flex-direction:column;gap:1.5rem}.profile-content-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:1.5rem;align-items:start}.profile-section,.reading-heatmap-section,.reading-progress-overview,.achievements-section,.recent-activity-section{background:var(--book-bg);border:1px solid var(--glass-border);border-radius:20px;padding:1.75rem;box-shadow:var(--shadow-soft);position:relative;overflow:hidden}.reading-heatmap-section{padding:1.25rem 1.5rem 1.35rem;overflow:visible}.profile-section:after,.reading-heatmap-section:after,.reading-progress-overview:after,.achievements-section:after,.recent-activity-section:after{content:"";position:absolute;inset:auto -20px -20px auto;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,#d4af371f,#d4af3700);pointer-events:none}.reading-heatmap-section{grid-column:1 / -1}.reading-progress-overview{grid-column:span 7}.achievements-section{grid-column:span 5}.recent-activity-section{grid-column:1 / -1}.profile-section h2,.reading-heatmap-section h2,.reading-progress-overview h2,.achievements-section h2,.recent-activity-section h2{margin:0 0 1rem;color:var(--text-main);font-size:1.35rem;display:flex;align-items:center;gap:.6rem;font-family:Playfair Display,serif}.profile-section h2 i,.reading-heatmap-section h2 i,.reading-progress-overview h2 i,.achievements-section h2 i,.recent-activity-section h2 i{color:var(--accent-gold)}.progress-overview-grid,.achievements-grid,.activity-feed{display:grid;gap:1rem}.profile-stat-box,.achievement-card,.activity-feed,.reading-heatmap-section,.reading-progress-overview,.achievements-section,.recent-activity-section{transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}.profile-section:hover,.reading-heatmap-section:hover,.reading-progress-overview:hover,.achievements-section:hover,.recent-activity-section:hover{transform:translateY(-2px);border-color:#d4af3759}.achievements-grid{display:grid;grid-template-columns:repeat(2,minmax(120px,1fr));gap:1rem;align-items:start}.achievement-card{background:var(--input-bg);border-radius:10px;padding:1rem;text-align:center;border:1px solid transparent;opacity:.95;filter:none;transition:transform .25s ease,box-shadow .25s ease}.achievement-card.locked{opacity:.6;filter:grayscale(100%)}.achievements-grid .achievement-card i{display:block;font-size:1.6rem;margin-bottom:.6rem;color:var(--text-muted)}.achievements-grid .achievement-card i{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:50%;margin:0 auto .6rem;color:#fff;font-size:20px;box-shadow:0 6px 18px #00000014}.achievement-card.unlocked i{background:linear-gradient(180deg,#5d4037eb,#8d6e63f2)}.achievement-card.locked i{background:linear-gradient(180deg,#c8c8c82e,#c8c8c814);color:#7d7d7d;box-shadow:none}.achievement-card h4{margin:.25rem 0 .15rem;font-size:1rem}.achievement-card p{margin:0;font-size:.9rem;color:var(--text-muted)}.achievements-grid .achievement-card{position:relative;overflow:visible;cursor:default}.achievements-grid .achievement-card:hover,.achievements-grid .achievement-card *:hover{cursor:default!important}.achievements-grid .achievement-card svg,.achievements-grid .achievement-card i{pointer-events:none}.ach-icon{width:28px;height:28px;display:block}.achievement-badge{position:absolute;top:12px;right:12px;width:14px;height:14px;border-radius:50%;box-shadow:0 4px 10px #00000014;border:2px solid rgba(255,255,255,.5)}.badge--gold{background:linear-gradient(180deg,#f5c04c,#d99a2a)}.badge--teal{background:linear-gradient(180deg,#5bcad4,#2aa6a9)}.badge--purple{background:linear-gradient(180deg,#b58ef6,#8b5cf6)}.badge--gray{background:linear-gradient(180deg,#cfcfcf,#a8a8a8)}.achievements-section h2{margin-bottom:.8rem}.achievement-card.unlocked{opacity:1;filter:grayscale(0%);border-color:var(--accent-gold);background:var(--book-bg);box-shadow:0 5px 15px #d4af3733}.achievement-card i{font-size:2rem;margin-bottom:1rem;color:var(--wood-light)}.achievement-card.unlocked i{color:var(--accent-gold)}.activity-feed{min-height:220px;align-content:start}:root{--heatmap-cell-size: 11px;--heatmap-cell-gap: 3px;--heatmap-level-0: rgba(93,64,55,.06);--heatmap-level-1: rgba(141,110,99,.16);--heatmap-level-2: rgba(212,175,55,.28);--heatmap-level-3: rgba(141,110,99,.5);--heatmap-level-4: rgba(93,64,55,.85);--heatmap-future: rgba(93,64,55,.04);--heatmap-tooltip-bg: var(--wood-dark);--heatmap-tooltip-border: rgba(255, 255, 255, .12);--heatmap-tooltip-text: var(--paper-color)}[data-theme=night]{--heatmap-level-0: rgba(255,255,255,.03);--heatmap-level-1: rgba(252,203,78,.18);--heatmap-level-2: rgba(252,203,78,.35);--heatmap-level-3: rgba(141,110,99,.6);--heatmap-level-4: rgba(93,64,55,.9);--heatmap-future: rgba(255,255,255,.02);--heatmap-tooltip-bg: var(--surface-elevated);--heatmap-tooltip-border: rgba(255, 255, 255, .08);--heatmap-tooltip-text: var(--text-main)}.heatmap-scroll-container{overflow-x:auto;overflow-y:visible;padding:.25rem 0 .5rem;display:flex;justify-content:center}.heatmap-board{display:grid;grid-template-columns:24px auto;grid-template-rows:auto auto;column-gap:.45rem;row-gap:.35rem;width:max-content;align-items:start;flex-shrink:0;margin:0 auto}.heatmap-months{grid-column:2;grid-row:1;display:flex;width:calc(52 * (var(--heatmap-cell-size) + var(--heatmap-cell-gap)));height:1rem;color:var(--text-muted);font-size:.68rem;font-weight:600;letter-spacing:.06em;line-height:1;padding-left:1px;gap:0}.heatmap-month{display:block;white-space:nowrap;flex:0 0 auto}.heatmap-month{padding:0 6px 0 4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:26px;box-sizing:border-box;text-align:left}.heatmap-weekdays{grid-column:1;grid-row:2;display:grid;grid-template-rows:repeat(7,var(--heatmap-cell-size));gap:var(--heatmap-cell-gap);align-content:start;padding-top:1px}.heatmap-weekday{height:var(--heatmap-cell-size);display:flex;align-items:center;justify-content:flex-end;color:var(--text-muted);font-size:.68rem;font-weight:600;line-height:1}.heatmap-grid{grid-column:2;grid-row:2;display:grid;grid-auto-flow:column;grid-template-rows:repeat(7,var(--heatmap-cell-size));grid-auto-columns:var(--heatmap-cell-size);gap:var(--heatmap-cell-gap);width:max-content;justify-content:start;margin:0}.heatmap-cell{width:var(--heatmap-cell-size);height:var(--heatmap-cell-size);border-radius:2px;background:var(--heatmap-level-0);position:relative;overflow:visible;transition:transform .16s ease,box-shadow .16s ease,background .16s ease}.heatmap-cell.intensity-0{background:var(--heatmap-level-0)}.heatmap-cell.intensity-1{background:var(--heatmap-level-1)}.heatmap-cell.intensity-2{background:var(--heatmap-level-2)}.heatmap-cell.intensity-3{background:var(--heatmap-level-3)}.heatmap-cell.intensity-4{background:var(--heatmap-level-4)}.heatmap-cell.heatmap-future{background:var(--heatmap-future);opacity:.72}.heatmap-cell:hover{transform:scale(1.08);box-shadow:0 0 0 1px #1b1f232e;z-index:2}.heatmap-tooltip-layer{position:absolute;min-width:180px;max-width:260px;padding:.65rem .75rem;border-radius:6px;background:var(--heatmap-tooltip-bg);color:var(--heatmap-tooltip-text);border:1px solid var(--heatmap-tooltip-border);box-shadow:0 12px 28px #0003;font-size:.75rem;line-height:1.4;opacity:0;visibility:hidden;pointer-events:none;z-index:5;transition:opacity .2s ease,transform .2s ease,visibility .2s ease}.heatmap-tooltip-layer.is-visible{opacity:1;visibility:visible;transform:translateY(0)}.heatmap-tooltip-layer:after{content:"";position:absolute;left:50%;top:-6px;transform:translate(-50%);border-left:6px solid transparent;border-right:6px solid transparent;border-bottom:6px solid var(--heatmap-tooltip-bg)}.heatmap-legend{display:flex;align-items:center;justify-content:center;gap:.45rem;margin-top:.75rem;color:var(--text-muted);font-size:.8rem;flex-wrap:wrap}.heatmap-legend .heatmap-swatch{width:11px;height:11px;border-radius:2px;display:inline-block}.heatmap-legend .heatmap-swatch.level-1{background:var(--heatmap-level-1)}.heatmap-legend .heatmap-swatch.level-2{background:var(--heatmap-level-2)}.heatmap-legend .heatmap-swatch.level-3{background:var(--heatmap-level-3)}.heatmap-legend .heatmap-swatch.level-4{background:var(--heatmap-level-4)}.activity-feed .empty-state,.progress-overview-grid .empty-state{min-height:180px;display:grid;place-items:center;text-align:center;color:var(--text-muted)}@media (max-width: 768px){.profile-header{grid-template-columns:1fr;padding:2rem 1rem}.profile-card{flex-direction:column;text-align:center;align-items:center;padding:2rem 1.25rem}.profile-info{align-items:center}.profile-actions{justify-content:center}.profile-content{padding:1.5rem 1rem 3rem}.reading-heatmap-section{padding:1rem}.profile-content-grid{grid-template-columns:1fr}.reading-progress-overview,.achievements-section,.recent-activity-section{grid-column:1 / -1}.profile-section,.reading-heatmap-section,.reading-progress-overview,.achievements-section,.recent-activity-section{padding:1.25rem}.profile-stats-container{gap:1rem}.profile-stat-box{min-width:100%}.heatmap-grid{grid-template-rows:repeat(7,9px);grid-auto-columns:9px;gap:2px}.heatmap-cell{width:9px;height:9px}.heatmap-board{grid-template-columns:20px auto;column-gap:.35rem}.heatmap-months,.heatmap-weekday{font-size:.68rem}.heatmap-tooltip{min-width:160px;max-width:200px}}@media (max-width: 1024px){.profile-header{grid-template-columns:1fr}.reading-progress-overview,.achievements-section{grid-column:1 / -1}}.main-footer{background:radial-gradient(circle at top left,rgba(212,175,55,.07),transparent 34%),var(--header-bg);border-top:1px solid rgba(212,175,55,.18);padding:2rem 1.5rem .9rem;margin-top:4rem;color:var(--text-main);font-family:Georgia,serif;position:relative;z-index:10}.footer-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:minmax(280px,1.4fr) repeat(3,minmax(150px,1fr));gap:1.25rem;padding-bottom:1.25rem;border-bottom:1px solid rgba(212,175,55,.15);align-items:start}.footer-brand{display:flex;flex-direction:column;gap:.7rem;max-width:340px}.footer-brand .logo{font-family:Playfair Display,serif;font-size:1.65rem;font-weight:700;color:var(--text-main);text-decoration:none;display:flex;align-items:center;gap:.5rem;line-height:1}.footer-logo{width:30px;height:30px;object-fit:cover}.footer-tagline{font-style:italic;font-size:1rem;color:var(--text-muted);line-height:1.5;max-width:320px;margin:0}.footer-subtext{font-size:.9rem;color:var(--accent-gold);font-weight:600;margin:0}.footer-nav h3,.footer-legal h3,.footer-social h3{font-family:Playfair Display,serif;font-size:1.1rem;margin-bottom:.75rem;color:var(--text-main)}.footer-nav ul,.footer-legal ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.45rem}.footer-nav li a,.footer-legal li a{text-decoration:none;color:var(--text-muted);transition:all .3s ease;font-size:.98rem;display:inline-block}.footer-nav li a:hover,.footer-legal li a:hover{color:var(--accent-gold);transform:translate(5px)}.social-icons{display:flex;gap:.6rem;flex-wrap:wrap}.social-icons a{width:44px;height:44px;border-radius:50%;background:var(--glass-bg);border:1px solid var(--glass-border);display:flex;align-items:center;justify-content:center;color:var(--text-main);text-decoration:none;transition:all .3s ease;box-shadow:0 6px 18px #0000000d}.social-icons a:hover{background:var(--accent-gold);color:#fff;transform:translateY(-3px);box-shadow:0 5px 15px #0003}.footer-bottom{text-align:center;padding-top:.85rem;font-size:.9rem;color:var(--text-muted)}.footer-bottom i{color:#e74c3c;animation:heartbeat 1.5s infinite}@keyframes heartbeat{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}@media (max-width: 768px){.footer-container{grid-template-columns:1fr;gap:1rem;text-align:center}.footer-brand{align-items:center;max-width:none}.social-icons{justify-content:center}.footer-tagline{max-width:28rem}}n #book-detail-modal{background:#2c2420d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:2000}#book-detail-modal .book-detail-content{background:transparent;box-shadow:none;border:none;width:95vw;max-width:1300px;height:90vh;padding:0;overflow:visible;display:flex;align-items:center;justify-content:center;pointer-events:none}#book-detail-modal .book-detail-content>*{pointer-events:auto}.book-expanded-layout{display:flex;width:100%;height:100%;gap:4rem;align-items:center;justify-content:center}.book-stage{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;perspective:2500px;z-index:10;height:100%;min-width:400px}.book-3d-scene{width:340px;height:520px;position:relative;transform-style:preserve-3d;transition:transform .1s}.book-object{width:100%;height:100%;position:absolute;transform-style:preserve-3d;transition:transform .8s cubic-bezier(.2,.8,.2,1);transform-origin:center center;cursor:grab}.book-object:active{cursor:grabbing}.book-object.flipped{transform:rotateY(-180deg)}.book-face{position:absolute;backface-visibility:hidden;-webkit-backface-visibility:hidden}.face-front{width:100%;height:100%;z-index:2;transform:rotateY(0) translateZ(25px);background-color:#eee;border-radius:2px 5px 5px 2px;box-shadow:inset 4px 0 10px #0000001a}.face-front img{width:100%;height:100%;object-fit:cover;border-radius:2px 5px 5px 2px}.lighting-sheen{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(105deg,transparent 20%,rgba(255,255,255,.2) 25%,transparent 30%);pointer-events:none;mix-blend-mode:overlay}.spine-overlay{position:absolute;top:0;left:0;bottom:0;width:25px;background:linear-gradient(to right,rgba(0,0,0,.3) 0%,transparent 100%);z-index:3;pointer-events:none;border-radius:2px 0 0 2px}.face-back{width:100%;height:100%;transform:rotateY(180deg) translateZ(25px);background-color:var(--paper-color, #fffbf0);border-radius:4px 2px 2px 4px;overflow:hidden;border-left:2px solid #8d6e63;box-shadow:inset 10px 0 20px #0000000d}.back-paper-texture{width:100%;height:100%;padding:3rem 2.5rem;background-image:linear-gradient(to right,rgba(0,0,0,.08) 0%,transparent 5%,transparent 95%,rgba(0,0,0,.04) 100%);background-color:#fff9e6;display:flex;flex-direction:column}.back-content-scroll{overflow-y:auto;max-height:100%;padding-right:10px;font-family:Georgia,serif;font-size:1.1rem;line-height:1.7;color:#4a3b32;scrollbar-width:thin;scrollbar-color:#d4af37 transparent}.synopsis-title{font-family:Playfair Display,serif;font-size:1.8rem;color:#8d6e63;margin-bottom:1.5rem;padding-bottom:.5rem;border-bottom:2px solid rgba(141,110,99,.2);text-align:center}.face-spine{width:50px;height:100%;background:#2c2420;transform:rotateY(-90deg) translateZ(170px);position:absolute;left:50%;margin-left:-25px;border-radius:2px;box-shadow:inset 10px 0 20px #0006}.face-right{width:48px;height:98%;background:#fdfaf5;transform:rotateY(90deg) translateZ(168px);margin-left:-24px;left:50%;top:1%;background-image:repeating-linear-gradient(to right,#e8e4db,#e8e4db 1px,#fdfaf5 1px,#fdfaf5 3px);box-shadow:inset 0 0 15px #0000000d}.face-top{width:98%;height:48px;top:-24px;left:1%;transform:rotateX(90deg);background:#fffefb;background-image:repeating-linear-gradient(90deg,#d3cfc6 0px,#d3cfc6 1px,transparent 1px,transparent 3px)}.face-bottom{width:98%;height:48px;bottom:-24px;left:1%;transform:rotateX(-90deg);background:#fffefb;background-image:repeating-linear-gradient(90deg,#d3cfc6 0px,#d3cfc6 1px,transparent 1px,transparent 3px);box-shadow:inset 0 0 15px #0000001a}.flip-instruction{margin-top:3rem;color:#fffc;font-size:1rem;letter-spacing:.5px;display:flex;align-items:center;gap:.8rem;animation:pulse 2.5s infinite;text-transform:uppercase;font-family:sans-serif;font-weight:300}@keyframes pulse{0%{opacity:.6;transform:translateY(0)}50%{opacity:1;transform:translateY(-3px)}to{opacity:.6;transform:translateY(0)}}.book-info-panel{flex:1;max-width:550px;background:var(--surface-elevated);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);padding:1.75rem;border-radius:var(--radius-panel);box-shadow:var(--shadow-panel);display:flex;flex-direction:column;gap:1.25rem;height:auto;max-height:90vh;overflow-y:auto;position:relative;pointer-events:auto;border:1px solid var(--glass-border)}.book-header{border-bottom:1px solid rgba(212,175,55,.28);padding:.25rem 0 1rem;margin-top:.5rem}.book-info-panel .book-title-large{font-family:Playfair Display,serif;font-size:clamp(2.15rem,4vw,2.8rem);color:var(--text-main);line-height:1.08;margin-bottom:.5rem}.book-info-panel .book-author-large{font-size:1.15rem;color:var(--text-muted);font-style:italic;font-family:Georgia,serif}.book-stats-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;background:var(--surface-soft);padding:1rem 1.1rem;border-radius:18px;border:1px solid var(--glass-border)}.stat-item{display:flex;flex-direction:column;gap:.3rem}.stat-label{font-size:.9rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.reviews-scroll-container{flex:1;overflow-y:auto;padding-right:15px;min-height:150px;margin-top:1rem;font-family:Georgia,serif;scrollbar-width:thin;scrollbar-color:#d4af37 transparent}.reviews-scroll-container::-webkit-scrollbar{width:6px}.reviews-scroll-container::-webkit-scrollbar-track{background:transparent}.reviews-scroll-container::-webkit-scrollbar-thumb{background-color:var(--wood-light);border-radius:3px}.book-actions-section{margin-top:auto;padding-top:1.25rem;border-top:1px solid var(--glass-border);display:flex;flex-wrap:wrap;gap:1rem;align-items:center}.library-actions-group{display:flex;flex-wrap:wrap;gap:.75rem;width:100%}.action-btn-primary{flex:1;min-height:42px;padding:.7rem 1.05rem;font-size:.85rem;font-weight:600;text-transform:none;letter-spacing:.2px;transition:all .3s ease;display:flex;align-items:center;justify-content:center;gap:.5rem;cursor:pointer;border:none;border-radius:999px}.add-to-library{background-color:var(--wood-dark);color:#fff;border:2px solid transparent}.add-to-library:hover{background-color:#3e2b25;transform:translateY(-2px);box-shadow:0 5px 15px #5d40374d}.book-actions-section .action-btn-secondary,.book-actions-section .btn-preview,.book-actions-section .library-share-btn{min-height:42px;padding:.7rem 1rem;border-radius:999px;border:1px solid var(--glass-border);background:var(--surface-soft);color:var(--text-main);box-shadow:none}.book-actions-section .action-btn-secondary:hover,.book-actions-section .btn-preview:hover,.book-actions-section .library-share-btn:hover{background:var(--control-hover);transform:translateY(-1px);border-color:var(--accent-gold)}.mark-read{background-color:transparent;color:var(--wood-dark);border:2px solid var(--wood-dark)}.mark-read:hover{background-color:var(--wood-dark);color:#fff}@media (max-width: 1024px){.book-expanded-layout{flex-direction:column;gap:2rem;overflow-y:auto;padding:2rem 0}#book-modal-3d .modal-content{height:100vh;width:100vw;max-width:none;overflow-y:auto;pointer-events:auto;display:block}.book-stage{height:420px;flex:none;width:100%;perspective:1000px;margin-top:2rem}.book-3d-scene{width:240px;height:360px;transform:scale(.9)}.face-spine{transform:rotateY(-90deg) translateZ(120px)}.face-right{transform:rotateY(90deg) translateZ(118px);margin-left:-24px}.face-front{transform:rotateY(0) translateZ(25px)}.face-back{transform:rotateY(180deg) translateZ(25px)}.book-info-panel{width:90%;max-width:none;margin:0 auto 2rem;padding:2rem;height:auto;max-height:none;overflow-y:visible;box-shadow:0 5px 15px #0000001a}.reviews-scroll-container{max-height:300px}}.error-page-body{background-image:var(--bg-color)}.error-content-wrapper{display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;min-height:60vh;padding:2rem}.error-code{font-size:8rem;font-family:Playfair Display,serif;font-weight:700;color:var(--wood-dark);margin:0;opacity:.15;line-height:1;position:relative;z-index:0}.error-book-icon{font-size:4rem;color:var(--wood-light);margin-top:-3rem;margin-bottom:2rem;z-index:1;position:relative;animation:float 6s ease-in-out infinite}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-10px)}to{transform:translateY(0)}}.error-heading{font-size:2.5rem;color:var(--text-main);margin-bottom:1rem;font-family:Playfair Display,serif}.error-subtext{font-size:1.1rem;color:var(--text-muted);max-width:500px;margin-bottom:2rem;line-height:1.6}.error-actions{display:flex;gap:1rem}.btn-primary{background-color:var(--wood-dark);color:#fff;padding:.8rem 1.5rem;border-radius:4px;font-family:Playfair Display,serif;text-decoration:none;transition:background-color .3s}.btn-primary:hover{background-color:var(--wood-light)}.btn-outline{background-color:transparent;color:var(--wood-dark);border:1px solid var(--wood-dark);padding:.8rem 1.5rem;border-radius:4px;font-family:Playfair Display,serif;text-decoration:none;transition:all .3s}.btn-outline:hover{background-color:var(--wood-dark);color:#fff}.book-scene{width:var(--book-width);height:var(--book-height);perspective:1500px;cursor:pointer}.book{width:100%;height:100%;position:relative;transform-style:preserve-3d;transform-origin:center center;transform:translateZ(calc(var(--book-thick) * -.5));transition:transform .6s cubic-bezier(.34,1.56,.64,1),box-shadow .6s,z-index .6s;animation:floatIn .8s ease-out backwards}.book__face{position:absolute;backface-visibility:hidden;border-radius:4px}.book__face--front{width:100%;height:100%;top:0;left:0;z-index:2;transform:translateZ(calc(var(--book-thick) * .5));background:var(--book-bg);border-radius:4px 8px 8px 4px;box-shadow:inset 4px 0 10px #0000001a}.book__face--front img{width:100%;height:100%;object-fit:cover;border-radius:4px 8px 8px 4px}.book__face--back{width:100%;height:100%;top:0;left:0;z-index:1;transform:rotateY(180deg) translateZ(calc(var(--book-thick) * .5));background:var(--paper-color);border-radius:6px 4px 4px 6px;padding:1rem;display:flex;flex-direction:column;justify-content:space-between;border:1px solid var(--glass-border);color:#2c2420}.book__face--spine{width:var(--book-thick);height:100%;top:0;left:0;transform:rotateY(-90deg) translateZ(calc(var(--book-thick) * .5));background:#333;box-shadow:inset -3px 0 6px #0000004d,inset 3px 0 6px #ffffff1a}.book__face--right{width:var(--book-thick);height:100%;top:0;right:0;left:auto;transform:rotateY(90deg) translateZ(calc(var(--book-thick) * .5));background:repeating-linear-gradient(to right,#fdfbf7,#fdfbf7 2px,#dfd8c8 3px);box-shadow:inset 0 0 5px #0000001a}.book__face--top{width:100%;height:var(--book-thick);top:0;left:0;transform:rotateX(90deg) translateZ(calc(var(--book-thick) * .5));background:repeating-linear-gradient(to bottom,#fdfbf7,#fdfbf7 2px,#dfd8c8 3px);box-shadow:inset 0 0 5px #0000001a}.book__face--bottom{width:100%;height:var(--book-thick);bottom:0;left:0;transform:rotateX(-90deg) translateZ(calc(var(--book-thick) * .5));background:repeating-linear-gradient(to top,#fdfbf7,#fdfbf7 2px,#dfd8c8 3px);box-shadow:inset 0 0 5px #0000001a}.book-scene:hover{z-index:50}.book-scene:hover .book:not(.flipped){transform:translateZ(50px) translateY(-15px) rotateX(15deg) rotateY(-25deg);box-shadow:-10px 20px 30px #0003}.book.flipped{transform:rotateY(180deg) scale(1.3) translateZ(80px);z-index:100}.book.flipped{transform:translateY(-20px) translateZ(100px) rotateY(180deg) scale(1.1)!important;z-index:100!important}.sort-controls{margin-top:2rem;display:flex;justify-content:center;gap:1.2rem;flex-wrap:wrap;padding:1rem;background:var(--surface-panel);border:1px solid var(--glass-border);border-radius:24px;box-shadow:var(--shadow-panel)}.filter-group{display:flex;align-items:center;gap:.6rem;position:relative;min-width:220px;background:var(--surface-soft);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--control-border);border-radius:var(--radius-control);padding:.85rem 1rem;box-shadow:var(--shadow-soft);transition:all .3s ease}.filter-group:hover{transform:translateY(-2px);border-color:var(--accent-gold);box-shadow:0 16px 32px #0000001f}.filter-group:focus-within{border-color:var(--accent-gold);box-shadow:0 0 0 4px var(--control-focus-ring),var(--shadow-soft)}.filter-group i{color:var(--accent-gold);font-size:14px;transition:.3s}.filter-group:hover i{transform:scale(1.2)}.sort-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;border:none;outline:none;font-family:Georgia,serif;font-size:14px;color:var(--text-main);cursor:pointer;width:100%;padding-right:1.5rem}.sort-select:focus{color:var(--accent-gold)}.filter-group:after{content:"";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--accent-gold);font-size:.75rem;pointer-events:none;margin-left:auto}.logo img{height:40px}.search-icon{cursor:pointer}.modal-share-btn{margin-left:10px;padding:.8rem 1.5rem;border:1px solid var(--glass-border);border-radius:8px;background:transparent;cursor:pointer;color:var(--text-main);font-family:inherit;transition:all .3s ease}.library-hero{padding-bottom:2rem;position:relative}.library-export-btn{position:absolute;top:45px;right:0}.library-empty-link{margin-top:1.5rem;text-decoration:none}.shelf-selection-row{display:flex;flex-direction:column;gap:.5rem;width:100%}.library-select-label{font-family:Georgia,serif;font-size:.9rem;color:var(--text-muted);font-weight:700;text-transform:uppercase;letter-spacing:.04em}.library-shelf-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;padding:0 2.2rem 0 1rem;border-radius:16px;font-size:.95rem;height:44px;width:100%;max-width:none;border:1px solid var(--control-border);background:linear-gradient(180deg,var(--control-hover),var(--surface-panel));color:var(--text-main);cursor:pointer;box-shadow:inset 0 1px #ffffff59;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease,background-color .2s ease}.library-shelf-select:focus{outline:none;border-color:var(--accent-gold);box-shadow:0 0 0 4px var(--control-focus-ring)}.library-shelf-select:hover{border-color:var(--accent-gold);transform:translateY(-1px)}.library-remove-btn{background:linear-gradient(135deg,#5d4037fa,#7a5a4dfa);color:#fff8f1;padding:0 20px;font-size:.8rem;font-weight:600;height:38px;border-radius:19px;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;border:none;cursor:pointer;transition:all .2s ease;box-shadow:0 8px 20px #5d403738}.library-remove-btn:hover{background:linear-gradient(135deg,#4d362ffa,#6d5045fa);transform:translateY(-1px);box-shadow:0 10px 22px #5d403747}.library-share-btn{margin-left:10px;border:1px solid var(--glass-border);background:var(--surface-soft);color:var(--text-main);padding:.3rem .6rem;border-radius:20px;font-size:.75rem;height:32px;cursor:pointer;transition:all .3s ease}.library-empty-state[hidden],#search-results-section[hidden]{display:none!important}#export-library{position:absolute;top:30px;right:0;background:linear-gradient(135deg,var(--wood-dark),var(--wood-light));color:#fff;border:none;border-radius:12px;padding:10px 16px;font-family:Georgia,serif;font-size:13px;cursor:pointer;box-shadow:var(--shadow-soft);transition:all .3s ease}#export-library:hover{background:linear-gradient(135deg,var(--accent-gold),#c89b2f);transform:translateY(-3px);color:#2c2420}@media (max-width: 600px){#export-library{position:static;margin-bottom:1rem}}.back-to-top{position:fixed!important;bottom:6.5rem!important;right:2rem!important;width:3.5rem!important;height:3.5rem!important;border-radius:50%!important;background:var(--accent-gold)!important;color:#fff!important;display:flex!important;justify-content:center!important;align-items:center!important;z-index:10000!important;box-shadow:0 4px 15px #0000004d!important;cursor:pointer!important;border:none!important;transition:all .3s ease!important}.ambient-sanctuary{position:fixed!important;bottom:2.5rem!important;right:2.35rem!important;z-index:10001!important}#ambientToggle{width:2.8rem!important;height:2.8rem!important;border-radius:50%!important;background:var(--header-bg)!important;color:var(--text-main)!important;border:1px solid var(--glass-border)!important;display:flex!important;align-items:center!important;justify-content:center!important;cursor:pointer!important;box-shadow:0 4px 12px #0003!important;transition:all .3s ease!important}#ambientToggle:hover{background:var(--accent-gold)!important;color:#fff!important;transform:scale(1.05)}#ambientToggle{will-change:transform}#ambientToggle.active{transform:scale(1.08) rotate(-8deg)!important;box-shadow:0 10px 24px #00000052!important}#ambientToggle:active{transform:scale(.96) rotate(-2deg)!important}.ambient-panel{position:absolute;bottom:60px;right:0;width:260px;background:#1e1a18!important;background:var(--header-bg)!important;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--glass-border)!important;border-radius:15px;padding:1.2rem;box-shadow:0 8px 32px #0006;display:none;flex-direction:column;gap:1rem;opacity:0;transform:translateY(8px) scale(.995);transition:opacity .26s cubic-bezier(.2,.9,.3,1),transform .26s cubic-bezier(.2,.9,.3,1);z-index:10002}.ambient-panel.active{display:flex!important;opacity:1!important;transform:translateY(0) scale(1)!important}.ambient-option{display:flex;align-items:center;justify-content:space-between;gap:10px}.ambient-option span{display:flex;align-items:center;gap:10px;font-size:.95rem}.ambient-panel .ambient-option,.ambient-panel .volume-control{display:grid;grid-template-columns:1fr auto;align-items:center;gap:10px}.ambient-panel .volume-control{position:relative;display:grid;grid-template-columns:auto 1fr;align-items:center;gap:10px}.ambient-panel .volume-control .range-wrap{grid-column:2 / 3;position:relative;width:100%}.library-page .ambient-panel .volume-control .range-wrap{height:18px}.library-page .ambient-panel .volume-control .range-wrap .range-track,.library-page .ambient-panel .volume-control .range-wrap .range-fill{top:50%;transform:translateY(-50%)}.library-page .ambient-panel .volume-control .range-wrap input[type=range]{height:18px!important;padding:0!important}.ambient-panel .volume-control .range-wrap input[type=range]::-webkit-slider-thumb{transform:translateY(2px)!important}.ambient-panel .volume-control .range-wrap input[type=range]::-moz-range-thumb{transform:translateY(2px)!important}.library-page .ambient-panel .volume-control .range-wrap .range-track,.library-page .ambient-panel .volume-control .range-wrap .range-fill,#profile-page .ambient-panel .volume-control .range-wrap .range-track,#profile-page .ambient-panel .volume-control .range-wrap .range-fill{top:50%!important;transform:translateY(-50%)!important}.ambient-panel .volume-control .range-wrap .range-track{position:absolute;left:0;right:0;height:6px;background:#0000001f;border-radius:999px;top:50%;transform:translateY(-50%);z-index:1}.ambient-panel .volume-control .range-wrap .range-fill{position:absolute;left:0;height:6px;background:var(--accent-gold);border-radius:999px;top:50%;transform:translateY(-50%);z-index:2;width:50%;transition:width .24s cubic-bezier(.2,1,.22,1)}.ambient-panel .volume-control .range-wrap input[type=range]{background:transparent!important;position:relative;z-index:3;width:100%}.profile-page .ambient-panel .volume-control .range-wrap{padding-top:2px}.profile-page .ambient-panel .volume-control .range-wrap .range-track,.profile-page .ambient-panel .volume-control .range-wrap .range-fill{top:54%}.profile-page .ambient-panel .volume-control .range-wrap input[type=range]{height:20px!important}.profile-page .ambient-panel .volume-control .range-wrap input[type=range]::-webkit-slider-thumb{margin-top:0!important}.ambient-panel .volume-control .range-wrap input[type=range]{height:18px!important;padding:0!important;margin:0!important;line-height:18px!important}.ambient-panel .volume-control .range-wrap input[type=range]::-webkit-slider-thumb{margin-top:0!important;position:relative!important;top:0!important}.ambient-panel .volume-control .range-wrap input[type=range]::-moz-range-thumb{margin:0!important}.ambient-panel .ambient-option span,.ambient-panel .volume-control label{display:flex;align-items:center;gap:10px;color:var(--text-main)}.switch{width:44px;height:26px}.slider{border-radius:999px;background-color:#444444e6}.slider:before{height:18px;width:18px;left:4px;bottom:4px}.slider{transition:background-color .2s cubic-bezier(.2,.9,.3,1)}.slider:before{transition:transform .2s cubic-bezier(.2,.9,.3,1),box-shadow .2s}input:checked+.slider:before{transform:translate(18px)}input:checked+.slider{animation:togglePop .22s cubic-bezier(.2,.9,.3,1)}@keyframes togglePop{0%{transform:scale(.96)}60%{transform:scale(1.04)}to{transform:scale(1)}}.ambient-panel.active .ambient-option,.ambient-panel.active .volume-control{opacity:0;transform:translateY(6px);animation:optionFade .36s cubic-bezier(.2,.9,.3,1) forwards}.ambient-panel.active .ambient-option:nth-child(1){animation-delay:.06s}.ambient-panel.active .ambient-option:nth-child(2){animation-delay:.12s}.ambient-panel.active .ambient-option:nth-child(3){animation-delay:.18s}.ambient-panel.active .ambient-option:nth-child(4){animation-delay:.24s}.ambient-panel.active .volume-control{animation-delay:.3s}@keyframes optionFade{to{opacity:1;transform:translateY(0)}}#ambientToggle{transition:transform .18s ease,box-shadow .18s ease,background .18s ease}#ambientToggle:active{transform:scale(.96) rotate(-6deg)}.switch input:focus-visible+.slider{box-shadow:0 0 0 4px #d4af3729}.ambient-panel input[type=range]{-webkit-appearance:none;width:130px;height:6px;background-color:#0000001f;background-image:linear-gradient(to right,var(--accent-gold),var(--accent-gold));background-size:calc(var(--ambient-fill, 50) * 1%) 100%;background-repeat:no-repeat;border-radius:999px;outline:none}.ambient-panel input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;background:var(--accent-gold);border-radius:50%;box-shadow:0 2px 6px #00000040;cursor:pointer}.ambient-panel input[type=range]::-webkit-slider-thumb{transition:transform .26s cubic-bezier(.2,1,.22,1),box-shadow .26s ease!important;transform-origin:center center;transform:scale(1)!important}.ambient-panel input[type=range]{background:linear-gradient(90deg,var(--accent-gold) var(--ambient-fill, 50%),rgba(0,0,0,.12) var(--ambient-fill, 50%));background-size:100% 100%;background-repeat:no-repeat;transition:background .36s cubic-bezier(.2,1,.22,1)}.ambient-panel input.volume-animate::-webkit-slider-thumb{transform:scale(1.12)!important;transition:transform .36s cubic-bezier(.2,1,.22,1)!important}.ambient-panel input[type=range]::-moz-range-thumb{transition:transform .26s cubic-bezier(.2,1,.22,1),box-shadow .26s ease;transform-origin:center center}.ambient-panel input.volume-animate::-moz-range-thumb{transform:scale(1.12);transition:transform .36s cubic-bezier(.2,1,.22,1)}.ambient-panel input[type=range]::-moz-range-track{background:transparent}@media (max-width: 420px){.ambient-panel{right:1rem;bottom:70px;width:min(92vw,320px);padding:.9rem}.ambient-panel input[type=range]{width:100%}}.library-page .ambient-panel input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:120px;height:6px;background-color:#0000001f!important;background-image:linear-gradient(to right,var(--accent-gold),var(--accent-gold))!important;background-size:calc(var(--ambient-fill, 50) * 1%) 100%!important;background-repeat:no-repeat!important;border-radius:999px;outline:none}.library-page .ambient-panel input[type=range]::-webkit-slider-runnable-track{height:6px;border-radius:999px}.library-page .ambient-panel input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;margin-top:-6px;width:18px;height:18px;background:var(--accent-gold);border-radius:50%;box-shadow:0 3px 8px #00000040;border:3px solid rgba(255,255,255,.8);cursor:pointer}.library-page .ambient-panel input[type=range]::-moz-range-track{height:6px;background:transparent}.library-page .ambient-panel input[type=range]::-moz-range-thumb{width:18px;height:18px;background:var(--accent-gold);border-radius:50%;box-shadow:0 3px 8px #00000040;border:3px solid rgba(255,255,255,.8);cursor:pointer}.library-page .ambient-panel .volume-control label{font-size:.95rem}.library-page .ambient-panel input[type=range]{min-height:0!important;min-width:0!important;height:6px!important}.library-page .ambient-panel input[type=range]::-webkit-slider-thumb{width:18px!important;height:18px!important}.library-page .ambient-panel input[type=range]::-moz-range-thumb{width:18px!important;height:18px!important}#profile-page .ambient-panel input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:120px;height:6px;background-color:#0000001f!important;background-image:linear-gradient(to right,var(--accent-gold),var(--accent-gold))!important;background-size:calc(var(--ambient-fill, 50) * 1%) 100%!important;background-repeat:no-repeat!important;border-radius:999px;outline:none;min-height:0!important;min-width:0!important}#profile-page .ambient-panel input[type=range]::-webkit-slider-runnable-track{height:6px;border-radius:999px}#profile-page .ambient-panel input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;margin-top:-6px;width:18px;height:18px;background:var(--accent-gold);border-radius:50%;box-shadow:0 3px 8px #00000040;border:3px solid rgba(255,255,255,.8);cursor:pointer}#profile-page .ambient-panel input[type=range]::-moz-range-track{height:6px;background:transparent}#profile-page .ambient-panel input[type=range]::-moz-range-thumb{width:18px;height:18px;background:var(--accent-gold);border-radius:50%;box-shadow:0 3px 8px #00000040;border:3px solid rgba(255,255,255,.8);cursor:pointer}#profile-page .ambient-panel .volume-control label{font-size:.95rem}.library-page .ambient-panel input[type=range],.profile-page .ambient-panel input[type=range]{-webkit-appearance:none!important;-moz-appearance:none!important;appearance:none!important;width:120px!important;height:6px!important;background:linear-gradient(90deg,var(--accent-gold) 50%,rgba(0,0,0,.12) 50%)!important;border-radius:999px!important;outline:none!important;min-height:0!important;min-width:0!important}.library-page .ambient-panel input[type=range]::-webkit-slider-thumb,.profile-page .ambient-panel input[type=range]::-webkit-slider-thumb{-webkit-appearance:none!important;-moz-appearance:none!important;appearance:none!important;margin-top:0!important;width:18px!important;height:18px!important;background:var(--accent-gold)!important;border-radius:50%!important;box-shadow:0 3px 8px #00000040!important;border:3px solid rgba(255,255,255,.8)!important;cursor:pointer!important}.library-page .ambient-panel input[type=range]::-moz-range-thumb,.profile-page .ambient-panel input[type=range]::-moz-range-thumb{width:18px!important;height:18px!important;background:var(--accent-gold)!important;border-radius:50%!important;box-shadow:0 3px 8px #00000040!important;border:3px solid rgba(255,255,255,.8)!important;cursor:pointer!important}.switch{position:relative;display:inline-block;width:34px;height:20px}.switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#444;transition:.4s;border-radius:34px}.slider:before{position:absolute;content:"";height:14px;width:14px;left:3px;bottom:3px;background-color:#fff;transition:.4s;border-radius:50%}input:checked+.slider{background-color:var(--accent-gold)}input:checked+.slider:before{transform:translate(14px)}.bookseller-note-card{margin-top:1.5rem;padding:1.4rem;border-radius:20px;background:#ffffff0d;border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 8px 30px #0000001f;transition:transform .3s ease,box-shadow .3s ease}.bookseller-note-card:hover{transform:translateY(-2px);box-shadow:0 12px 40px #0000002e}.bookseller-note-header{display:flex;justify-content:space-between;align-items:center;gap:.8rem;margin-bottom:1rem;flex-wrap:wrap}.bookseller-note-label{font-family:Playfair Display,serif;color:var(--accent-gold);font-size:1rem;letter-spacing:.3px}.bookseller-note-text{color:var(--text-secondary);line-height:1.9;font-size:.97rem;font-style:italic}.bookseller-context-hint{margin-top:1rem;font-size:.78rem;opacity:.7;letter-spacing:.4px;color:var(--text-muted)}.immersive-mood-badge{display:inline-flex;align-items:center;gap:.45rem;padding:.4rem .8rem;border-radius:999px;background:#d4af371f;border:1px solid rgba(212,175,55,.25);color:var(--accent-gold);font-size:.78rem;font-weight:500}.fade-in-note{animation:immersiveFade .45s ease}@keyframes immersiveFade{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}html,body{cursor:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 24 24'><path fill='%23cca43b' d='M4.42 20.58a1 1 0 0 0 1.41 0L15.24 11.2l-2.44-2.44L3.42 18.17a1 1 0 0 0 0 1.41zM17.36 9.08l-2.44-2.44 2.12-2.12a2 2 0 0 1 2.83 0l1.77 1.77a2 2 0 0 1 0 2.83z'/><path stroke='%23cca43b' stroke-width='1.5' d='M2 22l4-1'/></svg>") 0 24,auto!important}*:hover{cursor:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 24 24'><path fill='%23ffca3a' d='M4.42 20.58a1 1 0 0 0 1.41 0L15.24 11.2l-2.44-2.44L3.42 18.17a1 1 0 0 0 0 1.41zM17.36 9.08l-2.44-2.44 2.12-2.12a2 2 0 0 1 2.83 0l1.77 1.77a2 2 0 0 1 0 2.83z'/><path stroke='%23ffca3a' stroke-width='1.5' d='M2 22l4-1'/></svg>") 0 24,pointer!important}#sc-glow-outer,#sc-glow-mid,#sc-glow-inner,#sc-dot{position:fixed;pointer-events:none;border-radius:50%;transform:translate(-50%,-50%);will-change:left,top}#sc-glow-outer{width:120px;height:120px;background:radial-gradient(circle,rgba(93,64,55,.25) 0%,transparent 70%);filter:blur(18px);mix-blend-mode:normal;z-index:99996}#sc-glow-mid{width:60px;height:60px;background:radial-gradient(circle,rgba(93,64,55,.4) 0%,rgba(93,64,55,.15) 50%,transparent 75%);filter:blur(8px);mix-blend-mode:normal;z-index:99997}#sc-glow-inner{width:24px;height:24px;background:radial-gradient(circle,rgba(93,64,55,.6) 0%,transparent 100%);filter:blur(4px);mix-blend-mode:normal;z-index:99998}#sc-dot{width:9px;height:9px;background:#5d4037;opacity:1;z-index:99999}[data-theme=night] #sc-glow-outer{background:radial-gradient(circle,rgba(212,184,150,.12) 4%,transparent 70%);mix-blend-mode:normal}[data-theme=night] #sc-glow-mid{background:radial-gradient(circle,rgba(212,184,150,.25) 0%,rgba(212,184,150,.07) 50%,transparent 75%);mix-blend-mode:normal}[data-theme=night] #sc-glow-inner{background:radial-gradient(circle,rgba(212,184,150,.5) 0%,transparent 75%);mix-blend-mode:normal}[data-theme=night] #sc-dot{background:#d4b896}@media (hover: none){#sc-glow-outer,#sc-glow-mid,#sc-glow-inner,#sc-dot{display:none}}.sc-sparkle{position:fixed;pointer-events:none;z-index:99995;transform:translate(-50%,-50%);animation:sc-pop .8s ease-out forwards}.achievements-section{z-index:20;position:relative}.achievements-grid .achievement-card{z-index:21}@keyframes sc-pop{0%{opacity:1;transform:translate(-50%,-50%) scale(1)}60%{opacity:.7}to{opacity:0;transform:translate(calc(-50% + var(--dx)),calc(-50% + var(--dy))) scale(.15)}}body{cursor:none}@media (hover: none){body{cursor:auto}}.library-empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;padding:3rem 1.5rem;text-align:center;animation:fadeInUp .6s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.empty-state-illustration{margin-bottom:2rem}.empty-shelf-svg{filter:drop-shadow(0 4px 12px rgba(0,0,0,.1))}.floating-book{animation:float 3s ease-in-out infinite;transform-origin:center}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.sparkle{animation:sparkle 2s ease-in-out infinite}.sparkle-1{animation-delay:0s}.sparkle-2{animation-delay:.6s}.sparkle-3{animation-delay:1.2s}@keyframes sparkle{0%,to{opacity:0;transform:scale(0)}50%{opacity:1;transform:scale(1)}}.empty-state-title{font-family:Playfair Display,serif;font-size:1.75rem;font-weight:600;color:var(--text-primary);margin-bottom:.75rem;line-height:1.3}.empty-state-description{font-size:1rem;color:var(--text-muted);max-width:400px;margin-bottom:2rem;line-height:1.6}.library-empty-link{display:inline-flex;align-items:center;gap:.5rem;padding:.875rem 1.75rem;font-size:1rem;font-weight:600;transition:all .3s ease;box-shadow:0 4px 12px #c0914633}.library-empty-link:hover{transform:translateY(-2px);box-shadow:0 6px 20px #c091464d}.library-empty-link i{font-size:1.1rem}@media (max-width: 768px){.empty-state-title{font-size:1.5rem}.empty-shelf-svg{width:150px;height:150px}}.ambient-panel .volume-control{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:10px}.ambient-panel .volume-control label{display:flex;align-items:center;gap:10px;color:var(--text-main);font-size:.95rem;white-space:nowrap}.ambient-panel .volume-control .range-wrap{position:relative;width:100%;height:18px;display:flex;align-items:center}.ambient-panel .volume-control .range-wrap .range-track,.ambient-panel .volume-control .range-wrap .range-fill{position:absolute;left:0;top:50%;transform:translateY(-50%);height:6px;border-radius:999px;pointer-events:none}.ambient-panel .volume-control .range-wrap .range-track{right:0;background:#00000026;z-index:1}.ambient-panel .volume-control .range-wrap .range-fill{background:var(--accent-gold);width:50%;transition:width .24s cubic-bezier(.2,1,.22,1);z-index:2}.ambient-panel .volume-control .range-wrap input[type=range],.library-page .ambient-panel .volume-control .range-wrap input[type=range],.profile-page .ambient-panel .volume-control .range-wrap input[type=range],#profile-page .ambient-panel .volume-control .range-wrap input[type=range]{-webkit-appearance:none!important;-moz-appearance:none!important;appearance:none!important;position:relative;z-index:3;width:100%!important;height:18px!important;min-height:0!important;min-width:0!important;background:transparent!important;border-radius:999px;outline:none;cursor:pointer;margin:0!important;padding:0!important}.ambient-panel .volume-control .range-wrap input[type=range]::-webkit-slider-runnable-track,.library-page .ambient-panel .volume-control .range-wrap input[type=range]::-webkit-slider-runnable-track,.profile-page .ambient-panel .volume-control .range-wrap input[type=range]::-webkit-slider-runnable-track,#profile-page .ambient-panel .volume-control .range-wrap input[type=range]::-webkit-slider-runnable-track{height:6px!important;background:transparent!important;border-radius:999px}.ambient-panel .volume-control .range-wrap input[type=range]::-webkit-slider-thumb,.library-page .ambient-panel .volume-control .range-wrap input[type=range]::-webkit-slider-thumb,.profile-page .ambient-panel .volume-control .range-wrap input[type=range]::-webkit-slider-thumb,#profile-page .ambient-panel .volume-control .range-wrap input[type=range]::-webkit-slider-thumb{-webkit-appearance:none!important;-moz-appearance:none!important;appearance:none!important;width:18px!important;height:18px!important;border-radius:50%!important;background:var(--accent-gold)!important;border:3px solid rgba(255,255,255,.85)!important;box-shadow:0 2px 8px #0000004d!important;cursor:pointer!important;margin-top:-6px!important;transform:none!important;transition:transform .26s cubic-bezier(.2,1,.22,1),box-shadow .26s ease!important}.ambient-panel .volume-control .range-wrap input[type=range]:hover::-webkit-slider-thumb{transform:scale(1.15)!important;box-shadow:0 3px 12px #d4af3780!important}.ambient-panel .volume-control .range-wrap input[type=range].volume-animate::-webkit-slider-thumb{transform:scale(1.2)!important;box-shadow:0 0 14px #d4af3799!important}.ambient-panel .volume-control .range-wrap input[type=range]::-moz-range-track,.library-page .ambient-panel .volume-control .range-wrap input[type=range]::-moz-range-track,.profile-page .ambient-panel .volume-control .range-wrap input[type=range]::-moz-range-track,#profile-page .ambient-panel .volume-control .range-wrap input[type=range]::-moz-range-track{height:6px!important;background:transparent!important;border-radius:999px}.ambient-panel .volume-control .range-wrap input[type=range]::-moz-range-thumb,.library-page .ambient-panel .volume-control .range-wrap input[type=range]::-moz-range-thumb,.profile-page .ambient-panel .volume-control .range-wrap input[type=range]::-moz-range-thumb,#profile-page .ambient-panel .volume-control .range-wrap input[type=range]::-moz-range-thumb{width:18px!important;height:18px!important;border-radius:50%!important;background:var(--accent-gold)!important;border:3px solid rgba(255,255,255,.85)!important;box-shadow:0 2px 8px #0000004d!important;cursor:pointer!important}.ambient-panel .volume-control .range-wrap input[type=range].volume-animate::-moz-range-thumb{transform:scale(1.2);transition:transform .36s cubic-bezier(.2,1,.22,1)}[data-mood]{--bg-color: var(--theme-bg) !important;--text-main: var(--theme-text) !important;--text-muted: var(--theme-text-muted) !important;--input-border: var(--theme-border) !important;--book-bg: var(--theme-surface) !important;--header-bg: var(--theme-bg) !important;--accent-gold: var(--theme-accent) !important}.chatbot-widget{position:fixed;bottom:30px;left:30px;z-index:10000;font-family:Georgia,serif}.chatbot-toggle-btn{width:60px;height:60px;border-radius:50%;background:var(--accent-gold);color:var(--wood-dark);border:none;font-size:1.5rem;cursor:pointer;box-shadow:var(--shadow-hover);transition:transform .3s ease,box-shadow .3s ease;display:flex;align-items:center;justify-content:center}.chatbot-toggle-btn:hover{transform:scale(1.1);box-shadow:0 10px 25px #d4af3766}.chatbot-window{position:absolute;bottom:80px;left:0;width:350px;max-width:calc(100vw - 40px);background:var(--book-bg);border-radius:var(--border-radius-soft);box-shadow:var(--shadow-hover);border:1px solid var(--glass-border);display:flex;flex-direction:column;overflow:hidden;transition:all .3s ease;transform-origin:bottom left;opacity:1;transform:scale(1)}.chatbot-window.hidden{opacity:0;transform:scale(.8);pointer-events:none}.chatbot-header{background:var(--header-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:15px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--glass-border)}.chatbot-bot-info{display:flex;align-items:center;gap:10px}.chatbot-avatar{width:40px;height:40px;border-radius:50%;background:var(--accent-gold);color:var(--wood-dark);display:flex;align-items:center;justify-content:center;font-size:1.2rem}.chatbot-name-status h4{margin:0;font-family:Playfair Display,serif;color:var(--text-main);font-size:1.1rem}.chatbot-status{font-size:.8rem;color:var(--text-muted);font-style:italic}.chatbot-close-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:1.2rem;transition:color .2s}.chatbot-close-btn:hover{color:var(--text-main)}.chatbot-messages{height:350px;overflow-y:auto;padding:15px;display:flex;flex-direction:column;gap:10px;background:var(--bg-color)}.chat-message{max-width:80%;padding:10px 14px;border-radius:14px;font-size:.95rem;line-height:1.4}.bot-message{align-self:flex-start;background:var(--book-bg);color:var(--text-main);border:1px solid var(--glass-border);border-bottom-left-radius:4px}.user-message{align-self:flex-end;background:var(--wood-dark);color:var(--paper-color);border-bottom-right-radius:4px}.chatbot-input-area{padding:15px;display:flex;gap:10px;background:var(--header-bg);border-top:1px solid var(--glass-border)}.chatbot-input-area input{flex:1;padding:10px 15px;border:1px solid var(--input-border);border-radius:20px;background:var(--input-bg);color:var(--text-main);font-family:Georgia,serif;outline:none}.chatbot-input-area input:focus{border-color:var(--accent-gold)}.chatbot-send-btn{width:40px;height:40px;border-radius:50%;background:var(--accent-gold);color:var(--wood-dark);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .2s}.chatbot-send-btn:hover{transform:scale(1.1)}@media (max-width: 768px){.chatbot-window{bottom:70px;width:calc(100vw - 40px);left:-10px}}.sort-controls{display:flex;justify-content:center;gap:1.5rem;margin:2rem 0;flex-wrap:wrap}.filter-group{display:flex;align-items:center;gap:.75rem;background:var(--glass-bg);border:1px solid rgba(0,0,0,.15);border-radius:12px;padding:.5rem 1rem;box-shadow:var(--shadow-soft);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:border-color .3s ease,box-shadow .3s ease,transform .3s ease}[data-theme=night] .filter-group{border:1px solid rgba(255,255,255,.15)}.filter-group:hover{border-color:var(--accent-gold);box-shadow:var(--shadow-hover);transform:translateY(-2px)}.filter-group i{color:var(--accent-gold)}.sort-select{background:transparent;border:none;color:var(--text-main);font-family:Georgia,serif;font-size:1rem;outline:none;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;padding-right:1.5rem;background-image:url(data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%232c2420%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E);background-repeat:no-repeat;background-position:right .2rem top 50%;background-size:.65rem auto}[data-theme=night] .sort-select{background-image:url(data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23e0d5cb%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E)}.sort-select option{background:var(--bg-color);color:var(--text-main)}.custom-auth-bg{background:linear-gradient(to bottom right,#f8fafc,#dbeafe);min-height:100vh}.auth-btn{transition:all .3s ease}.auth-btn:hover{transform:scale(1.03);background:#1e3a8a;box-shadow:0 8px 20px #1e3a8a4d}html[data-theme=night] .tooltip-author,body.night-mode .tooltip-author{color:#ccc!important}.footer-logo{height:40px;width:auto}.logo{display:flex;align-items:center;gap:.6rem;font-size:1.3rem;font-weight:700}.main-footer{width:100%;box-sizing:border-box;margin-top:4rem;padding:60px 2rem 1rem;background:var(--card-bg);border-top:1px solid var(--glass-border);color:var(--text-main)}.footer-container{width:min(1200px,100%);margin:0 auto;display:grid;grid-template-columns:minmax(260px,2fr) repeat(3,minmax(160px,1fr));gap:3rem;align-items:start;padding-bottom:2rem;border-bottom:1px solid var(--glass-border)}.footer-container a{min-width:0;min-height:0;text-decoration:none;transition:color .3s ease}.main-footer .footer-nav a,.main-footer .footer-legal a{display:inline;line-height:1.35}.main-footer .social-icons a{min-width:40px;min-height:40px}.social-icons{display:flex;gap:1rem}.footer-bottom{text-align:center;margin-top:3rem;padding-top:1rem;border-top:1px solid #374151}@media (max-width: 900px){.footer-container{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 768px){.main-footer{padding:60px 1.25rem 1rem}.footer-container{grid-template-columns:1fr;gap:2rem;text-align:center}.footer-brand{align-items:center}.social-icons{justify-content:center}}.reader-perspectives{padding:4rem 2rem;background:var(--bg-color)}.perspective-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:2rem}.perspective-card{background:var(--book-bg);padding:2rem;border-radius:12px;box-shadow:var(--shadow-soft);border:1px solid var(--glass-border)}.perspective-user{display:flex;align-items:center;gap:1rem;margin-bottom:1rem}.avatar-circle{width:50px;height:50px;border-radius:50%;background:var(--accent-gold);display:flex;align-items:center;justify-content:center;font-size:1.5rem}.stars{color:var(--accent-gold);margin:0;letter-spacing:2px}.perspective-text{font-style:italic;line-height:1.6;color:var(--text-muted)}.book__face--back .book-actions .btn-icon i,.library-actions-group button i{font-size:16px!important;width:16px;height:16px;display:inline-flex;align-items:center;justify-content:center}.library-actions-group button{padding:.5rem 1rem;display:inline-flex;align-items:center;justify-content:center;gap:.5rem}.reading-mood-quiz{padding:4rem 2rem;margin-bottom:4rem;display:flex;justify-content:center}.quiz-container{background:var(--surface-panel);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--glass-border);border-radius:var(--radius-panel);padding:3rem;max-width:800px;width:100%;box-shadow:var(--shadow-panel);text-align:center}.quiz-container h2{font-family:Playfair Display,serif;font-size:2.5rem;color:var(--text-main);margin-bottom:.5rem;font-style:italic}.quiz-container>p{color:var(--text-muted);font-size:1.1rem;margin-bottom:2.5rem}.quiz-question{text-align:left;margin-bottom:2rem}.quiz-question h3{font-size:1.2rem;color:var(--text-main);margin-bottom:1rem;font-weight:600}.quiz-options{display:flex;flex-wrap:wrap;gap:.8rem}.quiz-options button{background:transparent;border:1px solid var(--input-border);color:var(--text-muted);padding:.6rem 1.2rem;border-radius:20px;font-family:Georgia,serif;font-size:.95rem;cursor:pointer;transition:all .3s ease}.quiz-options button:hover{background:var(--glass-bg);border-color:var(--accent-gold);color:var(--text-main)}.quiz-options button.selected{background:var(--accent-gold);color:var(--wood-dark);border-color:var(--accent-gold);font-weight:700;transform:scale(1.05);box-shadow:0 4px 10px #d4af374d}.generate-tags-btn{background:var(--text-main);color:var(--bg-color);border:none;padding:1rem 2rem;border-radius:30px;font-family:Georgia,serif;font-size:1.1rem;cursor:pointer;transition:all .3s;margin-top:1rem;width:100%;max-width:300px}.generate-tags-btn:hover:not(:disabled){background:var(--accent-gold);color:#fff;transform:translateY(-2px);box-shadow:0 5px 15px #0000001a}.generate-tags-btn:disabled{opacity:.5;cursor:not-allowed}.quiz-results{margin-top:3rem;padding-top:2rem;border-top:1px dashed var(--glass-border)}.quiz-results h3{font-family:Playfair Display,serif;font-size:1.5rem;color:var(--text-main);margin-bottom:1rem}.mood-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:.8rem;margin-bottom:1.5rem}.mood-tags span{background:var(--glass-bg);border:1px solid var(--accent-gold);color:var(--accent-gold);padding:.5rem 1rem;border-radius:20px;font-size:.9rem;font-weight:700;letter-spacing:.5px;text-transform:uppercase}.retake-quiz-btn{background:transparent;border:1px solid var(--text-muted);color:var(--text-muted);padding:.6rem 1.5rem;border-radius:20px;font-family:Georgia,serif;font-size:.9rem;cursor:pointer;transition:all .3s}.retake-quiz-btn:hover{color:var(--text-main);border-color:var(--text-main)}#no-results-state{justify-content:center;align-items:center;padding:3rem 1.5rem}.no-results-inner{text-align:center;max-width:480px;width:100%;background:#ffffff0a;border:1px solid rgba(255,255,255,.1);border-radius:1.5rem;padding:2.75rem 2rem}.no-results-icon-wrap{width:64px;height:64px;border-radius:50%;background:#ffffff0f;border:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;margin:0 auto 1.25rem;font-size:1.75rem}.no-results-title{font-family:Playfair Display,Georgia,serif;font-size:1.25rem;font-weight:600;color:var(--text-main, #f0ece3);margin:0 0 .5rem}.no-results-subtitle{font-size:.875rem;color:var(--text-muted, #a89f91);margin:0 0 .5rem;line-height:1.6}.no-results-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted, #a89f91);margin:0 0 .75rem}.no-results-tags{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center}.mood-suggestion-tag{background:#ffffff0f;border:1px solid rgb(0,0,0);color:var(--text-main, #2810b1ce);border-radius:20rem;padding:.4rem 1rem;font-size:.95rem;font-family:inherit;cursor:pointer;transition:background .15s ease,transform .15s ease,border-color .15s ease}.mood-suggestion-tag:hover{background:#ffffff21;border-color:#ffffff40;transform:translateY(-2px)}dialog.book-preview-modal{display:none;padding:0;border:none;background:transparent;margin:auto;overflow:visible}dialog.book-preview-modal[open]{display:flex;align-items:center;justify-content:center}dialog.book-preview-modal::backdrop{background:#000000c7;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}.preview-modal-inner{background:var(--bg-color);border-radius:20px;width:min(92vw,960px);height:min(90vh,780px);display:flex;flex-direction:column;overflow:hidden;box-shadow:0 32px 80px #00000080,0 8px 24px #0000004d;border:1px solid var(--glass-border);position:relative;animation:previewModalIn .3s cubic-bezier(.23,1,.32,1)}@keyframes previewModalIn{0%{opacity:0;transform:scale(.94) translateY(16px)}to{opacity:1;transform:scale(1) translateY(0)}}.preview-modal-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;border-bottom:1px solid var(--glass-border);background:var(--header-bg);flex-shrink:0;gap:1rem}.preview-modal-title-wrap{display:flex;align-items:center;gap:.6rem;min-width:0;flex:1}.preview-header-icon{color:var(--accent-gold);font-size:1.1rem;flex-shrink:0}.preview-modal-title{font-family:Playfair Display,serif;font-size:1.1rem;font-weight:600;color:var(--text-main);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.preview-powered-by{font-size:.72rem;color:var(--text-muted);white-space:nowrap;flex-shrink:0;padding:2px 8px;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:10px}.preview-close-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--glass-border);background:var(--glass-bg);color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0;transition:all .2s ease;position:relative;z-index:10}.preview-close-btn:hover{background:var(--accent-gold);color:#2c2420;border-color:var(--accent-gold);transform:rotate(90deg)}.preview-modal-body{flex:1;position:relative;overflow:hidden;background:#f5f5f5;min-height:0}[data-theme=night] .preview-modal-body{background:#1a1614}.preview-loading{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.2rem;background:var(--bg-color);z-index:2}.preview-loading p{color:var(--text-muted);font-family:Georgia,serif;font-style:italic;font-size:1rem}.preview-loading-spinner{width:44px;height:44px;border:3px solid var(--glass-border);border-top-color:var(--accent-gold);border-radius:50%;animation:previewSpin .8s linear infinite}@keyframes previewSpin{to{transform:rotate(360deg)}}.preview-viewer-container{width:100%;height:100%;position:absolute;top:0;right:0;bottom:0;left:0}.preview-viewer-container iframe{width:100%!important;height:100%!important;border:none!important;display:block!important}.preview-fallback{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;padding:2rem;background:var(--bg-color);text-align:center;z-index:2}.preview-fallback-icon{font-size:3.5rem;color:var(--accent-gold);opacity:.6;margin-bottom:.5rem}.preview-fallback-title{font-family:Playfair Display,serif;font-size:1.5rem;color:var(--text-main);margin:0}.preview-fallback-msg{color:var(--text-muted);font-size:.95rem;line-height:1.6;max-width:38ch;margin:0}.preview-external-link{display:inline-flex;align-items:center;gap:.5rem;margin-top:.5rem;padding:.65rem 1.4rem;background:var(--accent-gold);color:#2c2420;border-radius:24px;font-family:Georgia,serif;font-size:.9rem;font-weight:600;text-decoration:none;transition:all .25s ease;box-shadow:0 4px 12px #d4af374d}.preview-external-link:hover{background:#e6c44a;transform:translateY(-2px);box-shadow:0 6px 18px #d4af3766}.preview-modal-footer{padding:.6rem 1.5rem;border-top:1px solid var(--glass-border);background:var(--header-bg);flex-shrink:0}.preview-disclaimer{font-size:.75rem;color:var(--text-muted);display:flex;align-items:center;gap:.4rem;margin:0}.preview-disclaimer i{color:var(--accent-gold);flex-shrink:0}.btn-preview{display:inline-flex;align-items:center;gap:.5rem;padding:.65rem 1.2rem;background:transparent;border:1.5px solid var(--accent-gold);color:var(--accent-gold);border-radius:24px;font-family:Georgia,serif;font-size:.9rem;cursor:pointer;transition:all .25s ease;white-space:nowrap}.btn-preview:hover{background:var(--accent-gold);color:#2c2420;transform:translateY(-1px);box-shadow:0 4px 12px #d4af374d}.btn-preview i{font-size:.85rem}@media (max-width: 768px){.preview-modal-inner{width:100vw;height:100vh;border-radius:0;border:none}.preview-modal-header{padding:.85rem 1rem}.preview-powered-by{display:none}.preview-modal-footer{padding:.5rem 1rem}}@media (max-width: 480px){.preview-modal-title{font-size:.95rem}}#pwa-install-banner{position:relative;display:flex;justify-content:center;align-items:center;padding:16px 24px}.pwa-banner-icon{height:100px;margin-bottom:0}.pwa-banner-content{display:block;align-items:center;justify-content:center;gap:12px;text-align:center}.pwa-banner-text{margin-bottom:15px}.pwa-banner-actions{display:flex;justify-content:center;align-items:center;gap:10px}.pwa-install-btn{background-color:#fbeee0;border:2px solid #422800;border-radius:30px;box-shadow:#422800 4px 4px;color:#422800;cursor:pointer;display:inline-block;font-weight:600;font-size:18px;padding:0 18px;line-height:50px;text-align:center;text-decoration:none;user-select:none;-webkit-user-select:none;touch-action:manipulation;margin-bottom:15px}.pwa-install-btn:hover{background-color:#fff}.pwa-install-btn:active{box-shadow:#422800 2px 2px;transform:translate(2px,2px)}@media (min-width: 768px){.button-74{min-width:120px;padding:0 25px}}.pwa-dismiss-btn{display:none}