@font-face{font-family:Reader LXGW WenKai;src:url(/assets/LXGWWenKai-Regular-GHNg9pse.ttf)format("truetype");font-display:swap;font-style:normal;font-weight:400}@font-face{font-family:Reader Smiley Sans;src:url(/assets/SmileySans-Oblique-C11Fhxcz.woff2)format("woff2");font-display:swap;font-style:normal;font-weight:400}:root{--bg:#1a1815;--bg-elevated:#ffffff0a;--bg-reading:#f6f0e5;--text:#f0ebe0;--text-muted:#f0ebe0a3;--text-reading:#2c2418;--line:#ffffff12;--accent:#e8925e;--accent-soft:#e8925e24;--success:#8fd694;--shadow:0 18px 60px #00000059;--shadow-elevated:0 4px 24px #0003;--gradient-1:#e8925e1a;--gradient-2:#64a0dc0f;--reader-font:"Spline Sans", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;--ui-font:"Spline Sans", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;--mono-font:"IBM Plex Mono", monospace;--reader-size:19px;--reader-line-height:1.85;--content-width:780px;--paragraph-indent:2em;--paragraph-spacing:1.5em;--reader-end-space:50%;--weight-regular:400;--weight-medium:500;--weight-semibold:600;--weight-bold:700;--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--radius-xl:10px;--radius-2xl:12px;--radius-pill:999px;--duration-fast:.15s;--duration-normal:.2s;--duration-slow:.32s;--ease-out:cubic-bezier(.16, 1, .3, 1);--ease-in:ease-in;--focus-ring:0 0 0 2px var(--bg), 0 0 0 4px var(--accent)}body[data-theme=midnight]{--bg:#0d1117;--bg-elevated:#58a6ff0f;--bg-reading:#0d1117;--text:#e6edf3;--text-muted:#e6edf39e;--text-reading:#c9d1d9;--line:#ffffff0f;--accent:#58a6ff;--accent-soft:#58a6ff29;--success:#56d364;--shadow:0 18px 60px #00000073;--shadow-elevated:0 4px 24px #0000004d;--gradient-1:#58a6ff1a;--gradient-2:#a371f70f;--focus-ring:0 0 0 2px var(--bg), 0 0 0 4px var(--accent)}body[data-theme=olive]{--bg:#1a1f18;--bg-elevated:#a8c97e0f;--bg-reading:#f0f3e8;--text:#e8f0df;--text-muted:#e8f0df9e;--text-reading:#2a3024;--line:#ffffff0f;--accent:#a8c97e;--accent-soft:#a8c97e29;--success:#7bc67e;--shadow:0 18px 60px #00000059;--shadow-elevated:0 4px 24px #0003;--gradient-1:#a8c97e1a;--gradient-2:#82b48c0f;--focus-ring:0 0 0 2px var(--bg), 0 0 0 4px var(--accent)}body[data-theme=rose]{--bg:#1f171a;--bg-elevated:#e8a0b40f;--bg-reading:#faf0f3;--text:#f2e6e9;--text-muted:#f2e6e99e;--text-reading:#3d242b;--line:#ffffff0f;--accent:#e8a0b4;--accent-soft:#e8a0b429;--success:#8bc4a0;--shadow:0 18px 60px #00000052;--shadow-elevated:0 4px 24px #0000002e;--gradient-1:#e8a0b41a;--gradient-2:#c88cb40f;--focus-ring:0 0 0 2px var(--bg), 0 0 0 4px var(--accent)}body[data-theme=sepia]{--bg:#201a14;--bg-elevated:#c4946c14;--bg-reading:#f4ecd8;--text:#ede0cc;--text-muted:#ede0cc9e;--text-reading:#3d3020;--line:#ffffff12;--accent:#c4946c;--accent-soft:#c4946c29;--success:#7ea87e;--shadow:0 18px 60px #0000004d;--shadow-elevated:0 4px 24px #0000002e;--gradient-1:#c4946c1f;--gradient-2:#b4825a0f;--focus-ring:0 0 0 2px var(--bg), 0 0 0 4px var(--accent)}body[data-theme=stealth]{--bg:#1e1e1e;--bg-elevated:#ffffff0d;--bg-reading:#1e1e1e;--text:#ccc;--text-muted:#cccccc80;--text-reading:#ccc;--line:#ffffff12;--accent:#4ec9b0;--accent-soft:#4ec9b01f;--success:#6a9955;--shadow:none;--shadow-elevated:none;--gradient-1:#4ec9b008;--gradient-2:#569cd608;--focus-ring:0 0 0 2px var(--bg), 0 0 0 4px var(--accent)}body{transition:background-color var(--duration-slow) ease}::-webkit-scrollbar{transition:none}::-webkit-scrollbar-track{transition:none}::-webkit-scrollbar-thumb{transition:none}*,:before,:after{box-sizing:border-box}[hidden]{display:none!important}html,body{min-height:100%;margin:0}body{font-family:var(--ui-font);background:linear-gradient(155deg, var(--gradient-1), transparent 32%), linear-gradient(295deg, var(--gradient-2), transparent 36%), var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button,input,textarea{font:inherit}button{cursor:pointer;color:inherit;background:0 0;border:0}button:disabled{cursor:not-allowed;opacity:.52}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#ffffff1f;border-radius:999px}::-webkit-scrollbar-thumb:hover{background:#ffffff38}::selection{background:var(--accent-soft);color:var(--text)}:focus-visible{outline:none}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,[role=button]:focus-visible,[tabindex]:focus-visible{box-shadow:var(--focus-ring);border-radius:var(--radius-xl)}.skip-link{background:var(--accent);color:#101010;border-radius:var(--radius-xl);font-weight:var(--weight-semibold);z-index:10000;padding:8px 16px;font-size:14px;position:absolute;top:-100%;left:16px}.skip-link:focus{top:16px}.auth-view{place-items:center;min-height:100vh;padding:24px;animation:.7s both fadeSlideIn;display:grid}@keyframes fadeSlideIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.login-panel{border:1px solid var(--line);border-radius:var(--radius-2xl);width:min(100%,430px);box-shadow:var(--shadow), var(--shadow-elevated);-webkit-backdrop-filter:blur(40px)saturate(1.2);background:#00000038;padding:32px 28px}.login-brand{margin-bottom:28px}.login-brand h1{letter-spacing:-.01em;font-size:28px;line-height:1.1;font-weight:var(--weight-bold);margin:4px 0 10px}.login-form{gap:16px;display:grid}.login-field{color:var(--text-muted);font-size:13px;font-weight:var(--weight-medium);gap:8px;display:grid}.login-field input{border:1px solid var(--line);border-radius:var(--radius-xl);background:var(--bg-elevated);width:100%;min-height:48px;color:var(--text);transition:border-color var(--duration-normal), box-shadow var(--duration-normal);outline:0;padding:0 14px}.login-field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.login-error{color:#ffb49a;min-height:20px;margin:-6px 0 0;font-size:13px;line-height:1.5}.shell-loading{place-items:center;min-height:100vh;display:grid}.shell-loading-spinner{border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;width:32px;height:32px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.app-shell{min-height:100vh;animation:.5s both shellReveal}@keyframes shellReveal{0%{opacity:0}to{opacity:1}}.drawer-overlay{z-index:100;-webkit-backdrop-filter:blur(4px);opacity:0;transition:opacity var(--duration-slow);pointer-events:none;background:#00000085;position:fixed;inset:0}.drawer-overlay.open{opacity:1;pointer-events:auto}.drawer{z-index:200;-webkit-backdrop-filter:blur(32px);border-color:var(--line);width:360px;max-width:92vw;box-shadow:var(--shadow);transition:transform var(--duration-slow) var(--ease-out);background:#000000a6;flex-direction:column;display:flex;position:fixed;top:0;bottom:0}.drawer-left{border-right:1px solid var(--line);left:0;transform:translate(-100%)}.drawer-left.open{transform:translate(0)}.drawer-right{border-left:1px solid var(--line);right:0;transform:translate(100%)}.drawer-right.open{transform:translate(0)}.drawer-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:flex-start;gap:12px;padding:28px 24px 18px;display:flex}.drawer-head h2{font-size:14px;font-weight:var(--weight-semibold);color:var(--text-muted);margin:0;line-height:1.3}.drawer-head .sidebar-head h1{font-size:16px;font-weight:var(--weight-semibold);letter-spacing:0;margin:2px 0}.drawer-head .sidebar-head p{margin:0}.drawer-body{flex:1;min-height:0;padding:8px 24px 24px;overflow-y:auto}.drawer-section{padding-top:24px}.drawer-section+.drawer-section{border-top:1px solid var(--line);margin-top:8px;padding-top:24px}.workspace{min-height:100vh;padding:28px}.topbar{justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:24px;display:flex}.topbar-left{align-items:flex-start;gap:14px;display:flex}.topbar-title .eyebrow{margin-bottom:2px}.topbar-title h2{font-size:15px;font-weight:var(--weight-medium);letter-spacing:0;max-width:720px;color:var(--text-muted);margin:0;line-height:1.3}.topbar-meta{flex-wrap:wrap;flex-shrink:0;align-items:center;gap:10px;display:flex}.eyebrow{font-family:var(--mono-font);font-size:10px;font-weight:var(--weight-regular);text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin:0}.muted,.microcopy{color:var(--text-muted)}.microcopy{font-size:12px;line-height:1.7}.section-head{justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.section-head h2{font-size:14px;font-weight:var(--weight-semibold);color:var(--text-muted);margin:0}.capsule,.progress-chip{border:1px solid var(--line);border-radius:var(--radius-pill);min-height:30px;color:var(--text-muted);font-size:12px;font-weight:var(--weight-medium);align-items:center;gap:8px;padding:0 12px;display:inline-flex}.progress-chip{font-family:var(--mono-font)}.user-chip{font-family:var(--ui-font)}.primary-button,.secondary-button{border-radius:var(--radius-xl);width:100%;min-height:46px;font-weight:var(--weight-semibold);transition:opacity var(--duration-fast), transform var(--duration-fast);justify-content:center;align-items:center;gap:10px;display:inline-flex}.primary-button{background:var(--accent);color:#101010}.primary-button:hover:not(:disabled){opacity:.88;transform:scale(.995)}.primary-button:active:not(:disabled){transform:scale(.98)}.secondary-button{background:var(--accent-soft);width:auto;color:var(--text);border-radius:var(--radius-xl);padding:0 18px}.secondary-button:hover:not(:disabled){filter:brightness(1.3)}.icon-button{border-radius:var(--radius-xl);background:var(--bg-elevated);width:44px;height:44px;color:var(--text);transition:background var(--duration-fast), transform var(--duration-fast);flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.icon-button:hover:not(:disabled){background:var(--accent-soft);transform:scale(1.04)}.icon-button:active:not(:disabled){transform:scale(.96)}.search-field,.form-field{border:1px solid var(--line);border-radius:var(--radius-xl);background:var(--bg-elevated);min-height:42px;transition:border-color var(--duration-normal), box-shadow var(--duration-normal);grid-template-columns:20px minmax(0,1fr);align-items:center;gap:10px;padding:0 12px;display:grid}.search-field:focus-within,.form-field:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.search-field input,.form-field input{min-width:0;color:var(--text);background:0 0;border:0;outline:0}.book-list{flex-direction:column;gap:8px;max-height:calc(100vh - 420px);margin-top:14px;display:flex;overflow:hidden auto}.book-item{border:1px solid var(--line);border-radius:var(--radius-xl);color:inherit;text-align:left;cursor:pointer;transition:border-color var(--duration-normal), background var(--duration-normal);background:0 0;grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:12px;padding:14px;display:grid}.book-item:hover,.book-item.active{border-color:var(--accent);background:var(--accent-soft)}.book-info{min-width:0}.book-item h3{font-size:12px;line-height:1.4;font-weight:var(--weight-medium);margin:0 0 3px}.book-item p{color:var(--text-muted);margin:0;font-size:12px;line-height:1.5}.book-progress-line{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.book-actions{gap:6px;display:flex}.reader-stage{height:calc(100vh - 120px);min-height:calc(100vh - 120px)}.reader-empty,.reader-surface{border:1px solid var(--line);border-radius:var(--radius-lg);background:linear-gradient(180deg, var(--bg-elevated), transparent 12%);height:100%;min-height:0}.reader-empty{align-content:center;padding:48px;display:grid}.reader-empty h3{max-width:520px;font-size:20px;line-height:1.4;font-weight:var(--weight-medium);color:var(--text-muted);margin:0}.reader-empty p:last-child{max-width:520px;color:var(--text-muted);font-size:13px;line-height:1.6}.reader-surface{flex-direction:column;display:flex;overflow:hidden}.reader-toolbar{border-bottom:1px solid var(--line);background:#00000024;justify-content:space-between;align-items:center;gap:12px;padding:12px 18px;display:flex}.reader-toolbar-left,.reader-toolbar-right{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.temporary-nav-group{border:1px solid var(--line);border-radius:var(--radius-pill);min-height:38px;color:var(--text);background:#00000024;flex-shrink:0;align-items:center;gap:4px;padding:3px;display:inline-flex}.temporary-nav-pill,.temporary-nav-return{border-radius:var(--radius-pill);min-height:30px;font-size:12px;font-weight:var(--weight-medium);white-space:nowrap;justify-content:center;align-items:center;gap:6px;display:inline-flex}.temporary-nav-pill{background:var(--accent-soft);color:var(--accent);padding:0 10px}.temporary-nav-return{background:var(--bg-elevated);color:var(--text);transition:background var(--duration-fast), color var(--duration-fast), transform var(--duration-fast);padding:0 12px}.temporary-nav-return:hover{background:var(--accent-soft);color:var(--accent);transform:scale(1.02)}.temporary-nav-return:active{transform:scale(.98)}.chapter-capsule{white-space:nowrap;text-overflow:ellipsis;justify-content:center;width:min(38vw,340px);overflow:hidden}.reader-frame{flex:1;min-height:0;padding:20px}.reader-column{border-radius:var(--radius-md);background:var(--bg-reading);height:100%;color:var(--text-reading);position:relative;overflow:hidden;box-shadow:0 4px 30px #00000026}.reader-loading-column{color:var(--text-reading);place-items:center;padding:36px 24px 64px;display:grid}.reader-loading-center{z-index:1;text-align:center;justify-items:center;gap:12px;width:min(100%,560px);display:grid;position:relative}.reader-loading-center h3{max-width:100%;color:var(--text-reading);font-family:var(--reader-font);letter-spacing:0;overflow-wrap:anywhere;margin:0;font-size:24px;line-height:1.45}.reader-loading-text,.reader-loading-chip{color:var(--text-muted)}.reader-loading-text{align-items:center;gap:8px;font-size:13px;line-height:1.4;display:inline-flex}.reader-loading-text:after,.reader-loading-chip:after{content:"";background:var(--accent);border-radius:50%;width:6px;height:6px;animation:1s ease-in-out infinite loadingPulse}.reader-skeleton-lines{width:min(var(--content-width), calc(100% - 48px));opacity:.45;gap:16px;display:grid;position:absolute;top:calc(50% + 92px);left:50%;transform:translate(-50%)}.reader-skeleton-line{border-radius:var(--radius-pill);background:linear-gradient(90deg, transparent, color-mix(in srgb, currentColor 18%, transparent), transparent), color-mix(in srgb, currentColor 9%, transparent);background-size:220% 100%,100% 100%;height:13px;animation:1.45s linear infinite skeletonShimmer;display:block}.reader-skeleton-line.title{width:min(320px,58%);height:18px;margin:0 auto 10px}.reader-skeleton-line.wide{width:100%}.reader-skeleton-line.narrow{width:72%}@keyframes skeletonShimmer{0%{background-position:120% 0,0 0}to{background-position:-120% 0,0 0}}@keyframes loadingPulse{0%,to{opacity:.34;transform:scale(.82)}50%{opacity:1;transform:scale(1)}}.txt-reader,.epub-reader{height:100%;padding:36px 24px 64px;overflow:auto}.txt-reader{flex-direction:column;padding-bottom:0;display:flex}.txt-reader-inner{width:min(100%, var(--content-width));font-family:var(--reader-font);font-size:var(--reader-size);line-height:var(--reader-line-height);margin:0 auto}.reader-end-spacer{flex:0 0 var(--reader-end-space);pointer-events:none;min-height:64px}.reader-block{margin:0 0 var(--paragraph-spacing);white-space:pre-wrap}.reader-block:last-child{margin-bottom:0}.reader-block[data-role=body]{text-indent:var(--paragraph-indent)}.reader-block[data-role=body][data-has-leading-indent=true]{text-indent:0}.reader-block[data-role=title]{margin:2em 0 var(--paragraph-spacing);font-size:1.15em;font-weight:var(--weight-bold);letter-spacing:-.01em}.reader-block-search-hit{border-radius:var(--radius-sm);background:linear-gradient(90deg,#40d6b12e,#40d6b10a);animation:2.8s both readerSearchHit}.reader-selection-menu{z-index:90;border:1px solid var(--line);border-radius:var(--radius-pill);max-width:calc(100vw - 32px);min-height:34px;color:var(--text);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(18px);font-size:12px;font-weight:var(--weight-medium);white-space:nowrap;background:#0c0c0ceb;justify-content:center;align-items:center;gap:6px;padding:0 12px;display:inline-flex;position:fixed;transform:translate(-50%)}.reader-selection-menu:hover{border-color:var(--accent);background:#142a24f0}.selection-tool-button{border-radius:var(--radius-pill);min-height:28px;color:var(--text);transition:background var(--duration-fast), color var(--duration-fast);justify-content:center;align-items:center;gap:5px;padding:0 7px;display:inline-flex}.selection-tool-button:hover{background:var(--accent-soft);color:var(--accent)}.reader-selection-panel{z-index:89;border:1px solid var(--line);border-radius:var(--radius-lg);width:min(420px,100vw - 32px);max-height:min(320px,100vh - 36px);color:var(--text);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(20px);background:#0c0c0cf0;padding:12px 14px 14px;position:fixed;overflow:auto;transform:translate(-50%)}.reader-selection-panel-head{color:var(--text-muted);justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px;font-size:12px;display:flex}.selection-panel-close{border-radius:var(--radius-md);width:26px;height:26px;color:var(--text-muted);justify-content:center;align-items:center;display:inline-flex}.selection-panel-close:hover{background:var(--accent-soft);color:var(--accent)}.selection-panel-text,.selection-panel-muted,.selection-panel-error{word-break:break-word;white-space:pre-wrap;margin:0;font-size:13px;line-height:1.8}.selection-panel-muted{color:var(--text-muted)}.selection-panel-error{color:#ffb49a}@keyframes readerSearchHit{0%{box-shadow:inset 3px 0 0 var(--accent), 0 0 0 0 #40d6b147}60%{box-shadow:inset 3px 0 0 var(--accent), 0 0 0 8px #40d6b100}to{background:0 0;box-shadow:inset 0 0 #0000,0 0 #40d6b100}}.rail-grid{gap:16px;display:grid}.settings-group{gap:10px;display:grid}.settings-group>label{font-size:12px;font-weight:var(--weight-medium);color:var(--text-muted);margin-bottom:2px;display:block}.swatches{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.swatch-button,.segment-button{border-radius:var(--radius-xl);border:1px solid var(--line);background:var(--bg-elevated);min-height:42px;color:var(--text);transition:border-color var(--duration-normal), background var(--duration-normal), transform var(--duration-fast)}.swatch-button:hover:not(.active),.segment-button:hover:not(.active){border-color:var(--accent);background:var(--accent-soft);transform:translateY(-1px)}.swatch-button.active,.segment-button.active{border-color:var(--accent);background:var(--accent-soft)}.swatch-button span{border-radius:var(--radius-md);width:100%;height:22px;display:block}.segmented{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.segment-button{min-width:0;padding:0 10px;line-height:1.3}.range-field{gap:8px;display:grid}.range-field label{font-size:12px;font-weight:var(--weight-medium);color:var(--text-muted);gap:8px;display:grid}.range-field input[type=range]{border-radius:var(--radius-pill);background:var(--line);appearance:none;cursor:pointer;outline:0;width:100%;height:5px}.range-field input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--accent);cursor:pointer;width:16px;height:16px;transition:transform var(--duration-fast);border:0;border-radius:50%;box-shadow:0 2px 8px #0000004d}.range-field input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2)}.sync-form{gap:10px;display:grid}.sync-event-list{gap:8px;max-height:320px;display:grid;overflow:auto}.sync-event{border:1px solid 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