*{margin:0;padding:0;box-sizing:border-box}:root{--parchment: #f4ece1;--parchment-dark: #e8ddd0;--parchment-light: #faf6f0;--ink: #2c1810;--ink-light: #5c4033;--ink-muted: #8b7355;--gold: #b8860b;--gold-light: #d4a843;--gold-dim: rgba(184, 134, 11, .12);--leather: #654321;--leather-dark: #3e2723;--burgundy: #722f37;--forest: #2d5016;--border: #c4b5a0;--border-light: #d9cdbf;--shadow: rgba(44, 24, 16, .08);--radius: 4px;--font-serif: "EB Garamond", "Georgia", "Times New Roman", serif;--font-display: "Cormorant Garamond", "Georgia", serif}body{font-family:var(--font-serif);background:var(--parchment);color:var(--ink);min-height:100vh;-webkit-font-smoothing:antialiased}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;background:radial-gradient(ellipse at 20% 50%,rgba(210,180,140,.15) 0%,transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(139,115,85,.08) 0%,transparent 50%),var(--parchment)}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}@keyframes scanLine{0%{top:10%}to{top:90%}}.app{max-width:480px;margin:0 auto;padding-bottom:80px}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.auth-card{width:100%;max-width:380px;background:var(--parchment-light);border:1px solid var(--border);border-radius:var(--radius);padding:32px 28px;box-shadow:0 4px 24px var(--shadow)}.auth-header{text-align:center;margin-bottom:28px}.auth-header h1{font-family:var(--font-display);font-size:28px;font-weight:600;color:var(--ink);margin-bottom:6px}.auth-header p{color:var(--ink-muted);font-size:14px;font-style:italic}.auth-error{background:#722f3714;border:1px solid rgba(114,47,55,.2);color:var(--burgundy);padding:10px 14px;border-radius:var(--radius);font-size:13px;margin-bottom:16px}.auth-switch{text-align:center;margin-top:20px;font-size:14px;color:var(--ink-muted)}.auth-switch a{color:var(--leather);font-weight:600;text-decoration:none}.auth-switch a:hover{text-decoration:underline}.header{background:var(--leather-dark);padding:24px 24px 20px;position:sticky;top:0;z-index:50;border-bottom:3px solid var(--gold);background-image:linear-gradient(135deg,#65432199,#3e2723e6)}.header-top{display:flex;justify-content:space-between;align-items:flex-start}.header h1{font-family:var(--font-display);font-size:28px;font-weight:600;color:var(--parchment-light);letter-spacing:1px}.header .subtitle{color:var(--gold-light);font-size:14px;margin-top:4px;font-style:italic}.logout-btn{width:36px;height:36px;border-radius:50%;background:#f4ece11f;border:1px solid rgba(184,134,11,.3);color:var(--parchment-light);font-family:var(--font-display);font-size:16px;font-weight:600;cursor:pointer;transition:all .2s}.logout-btn:hover{background:#f4ece133}.stats-row{display:flex;gap:10px;margin-top:14px}.stat-badge{background:#f4ece11a;border:1px solid rgba(184,134,11,.3);padding:5px 12px;border-radius:2px;font-size:12px;color:var(--parchment-dark);letter-spacing:.3px}.search-bar{padding:14px 20px;position:relative}.search-input{width:100%;padding:11px 16px 11px 40px;background:var(--parchment-light);border:1px solid var(--border);border-radius:var(--radius);color:var(--ink);font-size:15px;font-family:var(--font-serif);outline:none;transition:border-color .2s}.search-input::placeholder{color:var(--ink-muted);font-style:italic}.search-input:focus{border-color:var(--gold);box-shadow:0 0 0 2px var(--gold-dim)}.search-icon{position:absolute;left:34px;top:50%;transform:translateY(-50%);color:var(--ink-muted);font-size:15px;pointer-events:none}.filters{display:flex;gap:8px;padding:0 20px 14px;overflow-x:auto;-webkit-overflow-scrolling:touch}.filters::-webkit-scrollbar{display:none}.filter-pill{padding:5px 16px;border-radius:2px;background:transparent;border:1px solid var(--border);color:var(--ink-muted);font-size:13px;font-family:var(--font-serif);white-space:nowrap;cursor:pointer;transition:all .2s}.filter-pill:hover{border-color:var(--ink-light);color:var(--ink-light)}.filter-pill.active{background:var(--leather-dark);border-color:var(--leather-dark);color:var(--parchment-light)}.book-list{padding:0 16px}.book-card{display:flex;gap:14px;padding:14px 16px;background:var(--parchment-light);border:1px solid var(--border-light);border-radius:var(--radius);margin-bottom:8px;cursor:pointer;transition:all .2s;animation:fadeIn .3s ease-out;box-shadow:0 1px 3px var(--shadow)}.book-card:hover,.book-card:active{border-color:var(--gold);box-shadow:0 2px 8px #b8860b1f}.book-cover{width:58px;height:86px;border-radius:2px;background:var(--parchment-dark);object-fit:cover;flex-shrink:0;box-shadow:2px 2px 6px #00000026}.book-cover-placeholder{width:58px;height:86px;border-radius:2px;background:linear-gradient(160deg,var(--leather),var(--leather-dark));display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:2px 2px 6px #00000026;color:var(--gold-light);font-size:13px;font-family:var(--font-display);font-weight:600}.book-info{flex:1;min-width:0}.book-title{font-family:var(--font-display);font-size:17px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.2}.book-author{color:var(--ink-muted);font-size:14px;margin-top:2px;font-style:italic}.book-meta{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}.book-tag{font-size:11px;padding:2px 8px;border:1px solid var(--border);border-radius:2px;color:var(--ink-muted)}.status-badge{font-size:11px;padding:2px 8px;border-radius:2px;font-weight:500}.status-unread{background:var(--gold-dim);color:var(--gold);border:1px solid rgba(184,134,11,.25)}.status-reading{background:#722f371a;color:var(--burgundy);border:1px solid rgba(114,47,55,.2)}.status-read{background:#2d50161a;color:var(--forest);border:1px solid rgba(45,80,22,.2)}.stars{color:var(--gold);font-size:13px;letter-spacing:2px;margin-top:4px}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;background:var(--parchment-light);border-top:1px solid var(--border);display:flex;justify-content:space-around;padding:6px 0 env(safe-area-inset-bottom,8px);z-index:100}.nav-btn{display:flex;flex-direction:column;align-items:center;gap:2px;background:none;border:none;color:var(--ink-muted);font-size:11px;padding:6px 16px;cursor:pointer;font-family:var(--font-serif);transition:color .2s}.nav-btn.active{color:var(--leather-dark)}.nav-btn .icon{font-size:20px}.scan-btn{background:var(--leather-dark);color:var(--gold-light);border:none;width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;cursor:pointer;margin-top:-26px;box-shadow:0 3px 12px #3e272366;border:2px solid var(--gold);transition:transform .2s}.scan-btn:active{transform:scale(.95)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000e6;z-index:200;display:flex;flex-direction:column;animation:fadeIn .2s ease-out}.scanner-container{flex:1;position:relative;overflow:hidden}.scanner-container video{width:100%;height:100%;object-fit:cover}.scan-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center}.scan-frame{width:280px;height:160px;border:2px solid rgba(184,134,11,.6);border-radius:4px;position:relative}.scan-frame:before{content:"";position:absolute;left:10%;right:10%;height:2px;background:var(--gold);animation:scanLine 2s linear infinite alternate;box-shadow:0 0 8px var(--gold)}.scan-hint{position:absolute;bottom:120px;left:0;right:0;text-align:center;color:var(--parchment-light);font-size:15px;font-family:var(--font-serif);font-style:italic}.scan-close{position:absolute;top:16px;right:16px;background:#0006;border:1px solid rgba(184,134,11,.4);color:var(--parchment-light);width:40px;height:40px;border-radius:50%;font-size:18px;cursor:pointer;z-index:10}.scan-manual{position:absolute;bottom:40px;left:0;right:0;text-align:center}.scan-manual button{background:#65432199;border:1px solid var(--gold);color:var(--parchment-light);padding:10px 24px;border-radius:2px;font-size:14px;cursor:pointer;font-family:var(--font-serif)}.manual-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:240}.isbn-dialog{position:fixed;bottom:0;left:0;right:0;background:var(--parchment-light);border-top:2px solid var(--gold);padding:24px 20px 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span{font-family:var(--font-display);font-size:18px;font-weight:600}.back-btn{background:none;border:none;color:var(--ink);font-size:22px;cursor:pointer;padding:4px}.delete-btn{margin-left:auto;background:none;border:none;color:var(--burgundy);font-size:13px;cursor:pointer;padding:8px 12px;border-radius:var(--radius)}.delete-btn:hover{background:#722f3714}.detail-cover{display:flex;justify-content:center;padding:16px 20px 24px}.detail-cover img{height:200px;border-radius:3px;box-shadow:4px 4px 20px #00000040}.detail-cover-placeholder{height:200px;width:140px;border-radius:3px;background:linear-gradient(160deg,var(--leather),var(--leather-dark));display:flex;align-items:center;justify-content:center;box-shadow:4px 4px 20px #00000040;color:var(--gold-light);font-family:var(--font-display);font-size:48px;font-weight:700}.form-section{padding:0 20px 24px}.form-group{margin-bottom:18px}.form-label{display:block;font-size:11px;font-weight:600;color:var(--ink-muted);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:6px}.form-input,.form-textarea{width:100%;padding:11px 14px;background:var(--parchment-light);border:1px solid var(--border);border-radius:var(--radius);color:var(--ink);font-size:15px;font-family:var(--font-serif);outline:none;transition:border-color .2s}.form-input:focus,.form-textarea:focus{border-color:var(--gold);box-shadow:0 0 0 2px var(--gold-dim)}.form-input::placeholder,.form-textarea::placeholder{color:var(--ink-muted);font-style:italic}.form-textarea{resize:vertical;min-height:80px}.form-row{display:flex;gap:12px}.form-row .form-group{flex:1}.divider{text-align:center;margin:20px 0;color:var(--border);font-size:16px;letter-spacing:6px}.star-rating{display:flex;gap:2px}.star-btn{background:none;border:none;font-size:26px;cursor:pointer;color:var(--border);transition:color .15s;padding:2px}.star-btn.filled{color:var(--gold)}.status-toggle{display:flex;gap:8px}.status-option{flex:1;padding:10px;text-align:center;background:var(--parchment-light);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;font-size:13px;font-family:var(--font-serif);transition:all .2s;color:var(--ink-muted)}.status-option.active{border-color:var(--leather-dark);color:var(--leather-dark);background:#6543210f;font-weight:600}.tags-display{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.tag-chip{display:flex;align-items:center;gap:4px;padding:3px 10px;border-radius:2px;border:1px solid var(--border);color:var(--ink-light);font-size:12px}.tag-remove{background:none;border:none;color:var(--ink-muted);cursor:pointer;font-size:14px;padding:0;line-height:1}.save-btn{width:100%;padding:13px;background:var(--leather-dark);color:var(--parchment-light);border:1px solid var(--gold);border-radius:var(--radius);font-size:15px;font-weight:600;font-family:var(--font-display);letter-spacing:1px;cursor:pointer;margin-top:8px;transition:all .2s}.save-btn:hover{background:var(--leather)}.save-btn:disabled{opacity:.4;cursor:not-allowed}.toast{position:fixed;bottom:100px;left:50%;transform:translate(-50%);background:var(--leather-dark);color:var(--parchment-light);border:1px solid var(--gold);padding:11px 24px;border-radius:2px;font-size:14px;z-index:300;animation:fadeIn .3s ease-out;box-shadow:0 4px 20px #0003}.loading{display:flex;justify-content:center;padding:40px;color:var(--ink-muted);font-style:italic}.empty-state{text-align:center;padding:60px 24px;color:var(--ink-muted)}.empty-icon{font-size:48px;margin-bottom:16px;opacity:.6}.empty-state h3{font-family:var(--font-display);font-size:20px;color:var(--ink);margin-bottom:8px;font-weight:600}.empty-state p{font-size:14px;line-height:1.6;font-style:italic}