:root{--accent: #2fc99a;--radius: 12px;--dim: 0;--hl-tts: rgba(45, 212, 160, .55);--hl-preview: rgba(96, 165, 250, .55);--ui-font: "Be Vietnam Pro", system-ui, sans-serif}[data-theme=dark]{--bg: #15171c;--surface: #1d2027;--text: #e8eaf0;--text-dim: #9aa0ad;--border: #2c303a;--accent: #2fc99a;--shadow: none}[data-theme=light]{--bg: #f5f6f8;--surface: #ffffff;--text: #1c2530;--text-dim: #5b6573;--border: #e3e6ec;--accent: #0f9d6e;--shadow: 0 1px 3px rgba(0,0,0,.08)}[data-theme=sepia]{--bg: #efe6d3;--surface: #f7f0e1;--text: #2c2417;--text-dim: #6b5e44;--border: #ddd0b4;--accent: #2f8f6a;--shadow: 0 1px 3px rgba(80,60,20,.1)}*{box-sizing:border-box}*{scrollbar-width:thin;scrollbar-color:var(--border) transparent}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:8px}::-webkit-scrollbar-thumb:hover{background:var(--text-dim)}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--ui-font);-webkit-font-smoothing:antialiased}#root:after{content:"";position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;background:#000;opacity:var(--dim);pointer-events:none}.overlay-root{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000}.overlay-scrim{position:absolute;top:0;right:0;bottom:0;left:0;background:#00000073}.drawer{position:absolute;top:0;bottom:0;width:min(320px,85vw);background:var(--surface);color:var(--text);box-shadow:var(--shadow);border-right:1px solid var(--border);overflow:auto;padding:12px}.drawer-left{left:0}.drawer-right{right:0;border-right:0;border-left:1px solid var(--border)}.bottom-sheet{position:absolute;left:0;right:0;bottom:0;background:var(--surface);color:var(--text);border-top:1px solid var(--border);border-radius:var(--radius) var(--radius) 0 0;max-height:85vh;overflow:auto;padding:12px 16px 24px;transition:transform .25s ease;will-change:transform}.sheet-header{position:sticky;top:0;z-index:1;background:var(--surface);margin:-12px -16px 8px;padding:6px 16px 0;touch-action:none;cursor:grab}.sheet-handle{width:40px;height:4px;border-radius:2px;background:var(--border);margin:4px auto 8px}.sheet-close{position:absolute;top:2px;right:8px;background:none;border:0;color:var(--text-dim);font-size:18px;line-height:1;padding:8px 10px;cursor:pointer}.confirm-box{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:min(360px,90vw);background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 18px}.confirm-box h3{margin:0 0 8px;font-size:15px}.confirm-msg{margin:0;white-space:pre-line;font-size:14px;line-height:1.5;color:var(--text)}.confirm-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}.confirm-actions button{padding:6px 14px;border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:var(--radius);cursor:pointer}.confirm-actions .primary{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:600}.confirm-actions .danger{background:#ef4444;color:#fff;border-color:#ef4444;font-weight:600}.settings-panel{display:flex;flex-direction:column;gap:4px;color:var(--text)}.settings-panel section{padding:8px 0;border-bottom:1px solid var(--border)}.settings-panel h3{margin:0 0 8px;font-size:14px}.settings-panel label{display:block;font-size:12px;color:var(--text-dim);margin:10px 0 4px}.settings-panel select,.settings-panel input[type=range]{width:100%}.settings-panel select{padding:6px 8px;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:var(--radius)}.seg{display:inline-flex;gap:4px;align-items:center}.seg button{padding:6px 12px;border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:var(--radius);cursor:pointer}.seg button.active{background:var(--accent);color:#fff;border-color:var(--accent)}.swatches{display:flex;gap:8px}.swatches .sw{width:28px;height:28px;border-radius:6px;border:2px solid transparent;cursor:pointer}.swatches .sw.active{border-color:var(--accent)}.link-reset{display:block;margin-top:16px;background:none;border:0;color:var(--accent);cursor:pointer;padding:4px 0;font-size:13px}.reset-all{margin-top:12px;padding:8px 12px;border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:var(--radius);cursor:pointer}.seg button:disabled{opacity:.5;cursor:default}.settings-panel .sync-status{font-size:13px;color:var(--text);margin:8px 0 0}.settings-panel .sync-error{font-size:12px;color:#e5534b;margin:6px 0 0;word-break:break-word}.settings-panel section.sync-section{border:1px solid var(--accent);background:color-mix(in srgb,var(--accent) 8%,transparent);border-radius:var(--radius);padding:10px 12px;margin-top:6px}.sync-head{display:flex;align-items:center;gap:8px;margin-bottom:4px}.sync-head h3{margin:0}.sync-head svg{flex:none}.btn-google{display:inline-flex;align-items:center;gap:8px;font-weight:600}.btn-google svg{flex:none}.reader-screen{position:relative;display:flex;flex-direction:column;height:100vh;height:100dvh;background:var(--bg);color:var(--text);font-family:system-ui,sans-serif}.reader-top,.reader-bar{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--surface)}.reader-top{border-bottom:1px solid var(--border);position:relative;z-index:10}.reader-bar{position:absolute;left:50%;bottom:16px;transform:translate(-50%);z-index:9;width:auto;gap:4px;padding:5px 8px;justify-content:center;background:color-mix(in srgb,var(--surface) 72%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:999px;box-shadow:0 6px 22px #00000038}.reader-top button,.reader-bar button{display:inline-flex;align-items:center;justify-content:center;min-width:40px;min-height:40px;padding:6px;border:0;background:none;color:var(--text);border-radius:var(--radius);cursor:pointer}.reader-top button:hover,.reader-bar button:hover{background:var(--border)}.reader-title{flex:1;min-width:0;text-align:center;font-size:13px;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.reader-bar .reader-play{width:48px;height:48px;border-radius:50%;background:var(--accent);color:#fff}.reader-bar .reader-play:hover{background:var(--accent);filter:brightness(1.05)}.reader-main{position:relative;flex:1;min-height:0;overflow:hidden}.reader-toc-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;z-index:6;background:#0006}.reader-toc{position:absolute;top:0;left:0;z-index:7;width:280px;max-width:80vw;height:100%;overflow:auto;background:var(--surface);border-right:1px solid var(--border);box-shadow:var(--shadow);padding:8px}.reader-toc button{display:block;width:100%;text-align:left;border:0;background:none;padding:8px 6px;cursor:pointer;font-size:13px;color:var(--text);border-bottom:1px solid var(--border)}.reader-toc button:hover{background:var(--border)}.reader-toc button.reading{font-weight:600;background:var(--hl-tts);box-shadow:inset 3px 0 0 var(--accent)}.reader-toc button.preview{background:var(--hl-preview);box-shadow:inset 3px 0 #6366f1}.reader-toc.hidden{display:none}.reader-view-wrap{position:relative;height:100%;width:100%;margin:0 auto;display:flex}.reader-view-host{flex:1 1 auto;min-height:0;width:100%}.reader-view-host foliate-view{width:100%;height:100%;display:block}@media (min-width: 900px){.reader-view-wrap{padding-bottom:84px}}.reader-toolbar{display:flex;align-items:stretch;justify-content:space-around;gap:4px;padding:6px 8px;padding-bottom:calc(6px + env(safe-area-inset-bottom));background:var(--surface);border-top:1px solid var(--border)}.reader-toolbar button{flex:1;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:48px;padding:4px;border:0;background:none;color:var(--text);border-radius:var(--radius);cursor:pointer;font-size:11px}.reader-toolbar button:hover{background:var(--border)}.reader-toolbar button.active{color:var(--accent)}.reader-bar.narrow{bottom:72px;max-width:calc(100vw - 16px);gap:2px}.reader-bar.narrow button{min-width:36px}.reader-bar.narrow .reader-play{width:44px;height:44px}.reader-mini{position:absolute;left:50%;bottom:88px;transform:translate(-50%);z-index:8;display:flex;align-items:center;gap:4px;padding:4px 6px;background:var(--surface);border:1px solid var(--border);border-radius:999px;box-shadow:var(--shadow)}.reader-mini button{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:0;background:none;color:var(--text);border-radius:50%;cursor:pointer}.reader-mini button:hover{background:var(--border)}.reader-screen.zen .reader-top,.reader-screen.zen .reader-bar,.reader-screen.zen .reader-toolbar,.reader-screen.zen .reader-mini,.reader-screen.zen .reader-toc{display:none}.reader-view-host{scrollbar-width:none}.reader-view-host ::-webkit-scrollbar{width:0;height:0}.reader-pull-hint{position:absolute;left:0;right:0;display:flex;align-items:center;justify-content:center;gap:6px;font-size:13px;color:var(--text, #1c2530);background:linear-gradient(var(--bg, #fff),transparent);pointer-events:none;opacity:0;transition:opacity .1s linear;z-index:5;padding:10px 0}.reader-pull-hint.bottom{bottom:0}.reader-pull-hint.top{top:0}.reader-pull-hint .pull-arrow{display:inline-flex}.reader-pull-hint.top .pull-arrow{transform:rotate(90deg)}.reader-pull-hint.bottom .pull-arrow{transform:rotate(-90deg)}.reader-pull-hint.ready{font-weight:600}.reader-cbz-hint{position:absolute;left:50%;bottom:72px;transform:translate(-50%);background:#000000c7;color:#fff;font-size:13px;padding:8px 14px;border-radius:999px;pointer-events:none;z-index:5}.reader-nav-btn{position:absolute;top:50%;width:44px;height:72px;display:flex;align-items:center;justify-content:center;background:#00000052;color:#fff;border:none;border-radius:8px;cursor:pointer;z-index:5;opacity:.45;transition:opacity .15s}.reader-nav-btn:hover{opacity:1}.reader-nav-btn.left{left:6px;transform:translateY(-50%)}.reader-nav-btn.right{right:6px;transform:translateY(-50%) scaleX(-1)}.library-screen{max-width:1100px;margin:0 auto;padding:16px;color:var(--text)}.library-top{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.library-top h1{font-size:20px;margin:0 8px 0 0;flex:1 0 100%;color:var(--text)}.library-search,.library-top select{padding:6px 10px;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--radius)}.library-search{flex:1;min-width:160px}.library-top>button{padding:6px 12px;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer}.library-top>button:hover{background:var(--border)}.library-import{font-weight:600;background:var(--accent)!important;color:#fff!important;border-color:var(--accent)!important}.library-import:hover{filter:brightness(1.05)}.library-chips{display:flex;gap:6px;flex-wrap:wrap;margin:12px 0}.library-chips button{padding:4px 12px;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--text-dim);cursor:pointer}.library-chips button:hover{color:var(--text)}.library-chips button.active{background:var(--accent);color:#fff;border-color:var(--accent)}.library-empty{padding:48px;text-align:center;color:var(--text-dim)}.library-shelf h2{font-size:15px;margin:16px 0 8px;color:var(--text)}.library-grid.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:14px}.library-grid.list{display:flex;flex-direction:column;gap:8px}.book-card{position:relative;display:flex;flex-direction:column;gap:4px}.library-grid.list .book-card{flex-direction:row;align-items:center;gap:12px}.book-card-open{border:0;background:none;padding:0;cursor:pointer;text-align:left;width:100%;color:inherit;transition:transform .12s ease}.book-card-open:hover{transform:translateY(-2px)}.book-cover-wrap{position:relative}.cover-img,.cover-placeholder{width:100%;aspect-ratio:2/3;object-fit:cover;border-radius:var(--radius)}.library-grid.list .book-cover-wrap{width:48px;flex:0 0 auto}.library-grid.list .cover-img,.library-grid.list .cover-placeholder{width:48px}.cover-placeholder{display:flex;align-items:center;justify-content:center;color:#fff;padding:8px}.cover-placeholder span{font-size:13px;text-align:center}.book-badge{position:absolute;top:6px;left:6px;background:#000000a6;color:#fff;font-size:11px;font-weight:600;padding:2px 6px;border-radius:999px}.cloud-badge{position:absolute;top:6px;right:40px;background:#3b82f6e6;color:#fff;font-size:14px;font-weight:600;padding:2px 8px;border-radius:999px}.book-title{font-size:13px;font-weight:600;margin-top:4px;color:var(--text)}.book-author{font-size:12px;color:var(--text-dim)}.book-progress-bar{height:4px;background:var(--border);border-radius:2px;overflow:hidden}.book-progress-bar span{display:block;height:100%;background:var(--accent)}.book-progress-label{font-size:11px;color:var(--text-dim)}.book-more{position:absolute;top:6px;right:6px;z-index:2;display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;padding:0;border:0;border-radius:50%;cursor:pointer;background:#0000008c;color:#fff}.book-more:hover{background:#000000bf}.library-grid.list .book-more{position:static;background:var(--surface);color:var(--text);border:1px solid var(--border)}.library-fab{position:fixed;right:18px;bottom:18px;z-index:50;width:56px;height:56px;border-radius:50%;border:0;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;background:var(--accent);color:#fff;box-shadow:0 4px 14px #00000059}.library-fab:hover{filter:brightness(1.05)}.edit-book{display:flex;flex-direction:column;gap:6px}.edit-book h3{margin:0 0 8px;font-size:16px;color:var(--text)}.edit-book label{font-size:12px;color:var(--text-dim);margin-top:6px}.edit-book input[type=text],.edit-book input:not([type]),.edit-book input[list]{padding:8px 10px;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:var(--radius)}.edit-cover-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.edit-cover-row button{padding:4px 10px;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer}.edit-actions{display:flex;align-items:center;gap:8px;margin-top:16px}.edit-actions button{padding:8px 14px;border-radius:var(--radius);cursor:pointer;background:var(--surface);color:var(--text);border:1px solid var(--border)}.edit-actions .primary{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:600}.edit-actions .primary:hover{filter:brightness(1.05)}.edit-actions .danger{background:none;color:#ef4444;border-color:transparent}.edit-actions .danger:hover{background:#ef44441f}