:root{--bg:#e8e6e1;--page:#f7f3ea;--ink:#1c1b19;--muted:#6b6560;--accent:#2f5d50;--accent-soft:#d7e6e1;--danger:#a33;--sidebar:#fff;--shadow:0 1px 3px #00000014;font-family:Iowan Old Style,Palatino Linotype,Book Antiqua,Georgia,serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0}button,input,select,textarea{font:inherit}a{color:var(--accent)}.app-shell{background:var(--bg);min-height:100vh;color:var(--ink);position:relative}.app-shell.theme-night,.reader-layout.theme-night{--bg:#121212;--page:#1c1c1c;--ink:#e8e4dc;--muted:#9a938a;--accent:#6fafa0;--accent-soft:#243833;--sidebar:#1a1a1a;--shadow:0 1px 3px #00000073;--chrome-bg:#1e1e1e;--chrome-border:#333028;--btn-bg:#2a2a2a;--btn-border:#4a453f;--btn-hover:#333;background:var(--bg);color:var(--ink)}.app-shell.theme-night .topbar{background:var(--chrome-bg);border-bottom-color:var(--chrome-border)}.app-shell.theme-night .btn,.reader-layout.theme-night .btn{background:var(--btn-bg);border-color:var(--btn-border);color:var(--ink)}.app-shell.theme-night .btn:hover,.reader-layout.theme-night .btn:hover{background:var(--btn-hover)}.app-shell.theme-night .btn.primary,.reader-layout.theme-night .btn.primary{background:var(--accent);border-color:var(--accent);color:#0f1a17}.app-shell.theme-night .btn.ghost,.reader-layout.theme-night .btn.ghost{background:0 0}.app-shell.theme-night .panel,.app-shell.theme-night .auth-card,.app-shell.theme-night .voice-modal,.reader-layout.theme-night .voice-modal,.reader-layout.theme-night .popup,.reader-layout.theme-night .reader-menu-sheet,.reader-layout.theme-night .reader-toc-sheet{background:var(--chrome-bg);color:var(--ink);border-color:var(--chrome-border)}.app-shell.theme-night input,.app-shell.theme-night select,.app-shell.theme-night textarea,.reader-layout.theme-night input,.reader-layout.theme-night select{border-color:var(--btn-border);color:var(--ink);background:#252525}.dev-banner{color:#f3f6f4;text-align:center;background:#3d4f46;padding:6px 12px;font-size:13px}.dev-banner a{color:#b8e0d0}.app-version{z-index:40;opacity:.55;pointer-events:none;font-family:ui-monospace,monospace;font-size:11px;position:fixed;bottom:10px;right:10px}.runtime-box{background:#f4f1ea;border-radius:8px;max-height:320px;padding:12px;font-size:12px;overflow:auto}.topbar{z-index:20;background:#fff;border-bottom:1px solid #ddd6cb;justify-content:space-between;align-items:center;gap:12px;padding:10px 16px;display:flex;position:sticky;top:0}.brand{letter-spacing:.02em;font-size:1.15rem;font-weight:700}.btn{cursor:pointer;background:#fff;border:1px solid #c9c2b6;border-radius:8px;padding:8px 12px}.btn:hover{background:#f3efe6}.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn.primary:hover{filter:brightness(1.05)}.btn.ghost{background:0 0;border-color:#0000}.auth-card,.panel{max-width:420px;box-shadow:var(--shadow);background:#fff;border-radius:12px;margin:48px auto;padding:24px}.panel.wide{max-width:960px}label{color:var(--muted);margin:12px 0 4px;font-size:.9rem;display:block}input,select,textarea{background:#fff;border:1px solid #cfc7bb;border-radius:8px;width:100%;padding:10px 12px}input[type=checkbox],input[type=radio]{width:auto;min-width:1rem;accent-color:var(--accent);flex-shrink:0;margin:0;padding:0}.row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.muted{color:var(--muted);font-size:.9rem}.error{color:var(--danger);margin-top:8px}.shelf{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px;max-width:1100px;margin:0 auto;padding:20px;display:grid}.book-card{background:var(--page);box-shadow:var(--shadow);cursor:pointer;border:1px solid #ddd4c6;border-radius:10px;flex-direction:column;justify-content:space-between;min-height:160px;padding:16px;display:flex}.book-card h3{margin:0 0 8px;font-size:1.05rem}.progress-bar{background:#e0d9cd;border-radius:99px;height:6px;margin-top:8px;overflow:hidden}.progress-bar>i{background:var(--accent);height:100%;display:block}.reader-layout{background:var(--bg);min-height:100dvh;color:var(--ink);justify-content:center;padding:8px 8px 12px;display:flex}.reader-layout-top{width:100%}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.reader-nav-select select{max-width:min(220px,42vw);font:inherit;background:#fff;border:1px solid #d5cec2;border-radius:8px;padding:6px 8px;font-size:.88rem}.reader-page-jump{align-items:center;gap:4px;display:inline-flex}.reader-page-jump input{width:56px;font:inherit;border:1px solid #d5cec2;border-radius:8px;padding:6px 8px;font-size:.88rem}.reader-chapter-title{color:var(--muted,#6b6560);margin:0 0 6px;font-size:1.05rem;font-weight:650}.reader-main{flex-direction:column;flex:1;gap:8px;width:min(720px,100%);min-height:0;max-height:calc(100dvh - 12px);display:flex}.reader-chrome{z-index:20;flex-direction:column;gap:6px;display:flex;position:sticky;top:0}.reader-chrome-bar{background:var(--chrome-bg,#fffcf6fa);border:1px solid var(--chrome-border,#ddd4c6);box-shadow:var(--shadow);-webkit-overflow-scrolling:touch;border-radius:12px;flex-wrap:nowrap;align-items:center;gap:5px;padding:6px 8px;display:flex;overflow-x:auto}.reader-chrome-bar .btn{flex-shrink:0;padding:6px 9px;font-size:.82rem}.btn-compact{padding:6px 8px!important;font-size:.8rem!important}.btn-icon{justify-content:center;align-items:center;display:inline-flex;padding:6px 8px!important}.hamburger{flex-direction:column;gap:3px;width:16px;display:flex}.hamburger span{background:currentColor;border-radius:1px;height:2px;display:block}.reader-chrome-page{white-space:nowrap;flex-shrink:0;font-size:.8rem}.desktop-only{display:none}@media (width>=720px){.desktop-only{display:inline-flex}}.reader-menu-backdrop{z-index:55;background:#00000073;justify-content:center;align-items:flex-end;padding:0;display:flex;position:fixed;inset:0}@media (width>=720px){.reader-menu-backdrop{align-items:center;padding:16px}}.reader-menu-sheet,.reader-toc-sheet{background:#fff;border-radius:14px 14px 0 0;width:min(420px,100%);max-height:min(80vh,640px);padding:12px 14px 18px;overflow:auto;box-shadow:0 -8px 28px #0000002e}@media (width>=720px){.reader-menu-sheet,.reader-toc-sheet{border-radius:14px;box-shadow:0 12px 40px #0003}}.reader-menu-item{text-align:left;width:100%;font:inherit;cursor:pointer;color:inherit;background:0 0;border:none;border-bottom:1px solid #eee8de;padding:12px 10px;display:block}.reader-layout.theme-night .reader-menu-item{border-bottom-color:var(--chrome-border)}.reader-menu-item:hover,.reader-menu-item:active{background:#2f5d5014}.reader-menu-item.ghost{color:var(--muted);border-bottom:none;margin-top:4px}.reader-menu-jump{border-bottom:1px solid #eee8de;flex-wrap:wrap;align-items:center;gap:8px;padding:12px 10px;display:flex}.reader-menu-jump input{width:72px;font:inherit;border:1px solid #d5cec2;border-radius:8px;padding:6px 8px}.reader-menu-chapter select{min-width:0;max-width:100%;font:inherit;background:var(--panel,#fff);color:inherit;border:1px solid #d5cec2;border-radius:8px;flex:1;padding:8px 10px}.theme-night .reader-menu-chapter select,.theme-night .reader-menu-jump input{color:#e8e4dc;background:#1a1a1a;border-color:#444}.admin-work-list{margin:12px 0 0;padding:0;list-style:none}.admin-work-list li{border-bottom:1px solid #eee8de;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:10px 0;display:flex}.admin-work-list li>span:first-child{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.admin-work-actions{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.theme-night .admin-work-list li{border-bottom-color:#333}.reader-toc-head{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.reader-toc-head h3{margin:0}.reader-toc-list{margin:0;padding:0;list-style:none}.reader-toc-item{text-align:left;width:100%;font:inherit;cursor:pointer;color:inherit;background:0 0;border:none;border-bottom:1px solid #eee8de;flex-direction:column;align-items:flex-start;gap:2px;padding:12px 10px;display:flex}.reader-layout.theme-night .reader-toc-item{border-bottom-color:var(--chrome-border)}.reader-toc-item.is-active{background:var(--accent-soft)}.reader-toc-title{font-weight:600}.voice-modal-backdrop{z-index:50;background:#00000059;justify-content:center;align-items:flex-end;padding:12px;display:flex;position:fixed;inset:0}@media (width>=720px){.voice-modal-backdrop{align-items:center}}.voice-modal{background:#fff;border-radius:14px;width:min(480px,100%);max-height:min(88vh,720px);padding:16px 18px 20px;overflow:auto;box-shadow:0 12px 40px #0000002e}.voice-field{flex-direction:column;gap:6px;margin-top:14px;font-size:.92rem;display:flex}.voice-field select{width:100%;font:inherit;border:1px solid #d5cec2;border-radius:8px;padding:8px 10px}.reader-page{--reader-font-size:18px;--reader-en-color:inherit;--reader-zh-color:#4a453f;background:var(--page);color:var(--ink);box-shadow:var(--shadow);-webkit-overflow-scrolling:touch;border-radius:4px;flex:1;width:100%;max-width:42rem;min-height:0;margin:0 auto;padding:28px 36px 40px;overflow:auto}.reader-layout.theme-night .reader-page{--reader-zh-color:#b8b0a4}.reader-layout.theme-night .sentence.is-heard{background:#ffffff0f}.reader-layout.theme-night .sentence.is-speaking{box-shadow:inset 3px 0 0 var(--accent);background:#6fafa02e}.reader-meta{color:var(--muted);margin-bottom:14px;font-size:.85rem}.sentence{line-height:1.7;font-size:var(--reader-font-size);color:var(--reader-en-color);border-radius:4px;margin:0 0 .55em;padding:1px 2px;transition:background .2s}.sentence.is-heard{background:#2f5d5014}.sentence.is-speaking{background:#2f5d502e;box-shadow:inset 3px 0 #2f5d50}.sentence-en,.sentence-en .en-word{-webkit-user-select:text;user-select:text}.sentence .en-word{cursor:pointer;border-radius:3px}.sentence .en-word:hover,.sentence .en-word.active{background:#2f5d502e}.sentence .zh{font-size:calc(var(--reader-font-size) * .86);color:var(--reader-zh-color);cursor:pointer;-webkit-user-select:text;user-select:text;margin-top:.2em;line-height:1.45;display:block}@media (width<=640px){.reader-page{min-height:60vh;padding:18px 16px 28px}.sentence{margin-bottom:.45em}}.reader-page.night .sentence .zh{color:var(--reader-zh-color,#b8b0a4)}.reader-page.night .sentence.is-heard{background:#ffffff0f}.reader-page.night .sentence.is-speaking{background:#ffffff1f}.popup{z-index:60;touch-action:none;-webkit-user-select:none;user-select:none;background:#fff;border:1px solid #d5cec2;border-radius:12px;max-width:min(360px,100vw - 24px);padding:14px 16px;position:fixed;box-shadow:0 8px 28px #0000001f}.popup-title{cursor:grab;margin:0 0 8px;font-size:1.15rem}.popup-title:active{cursor:grabbing}.gloss-zh{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.gloss-zh li{font-size:1.05rem;line-height:1.45}.gloss-pos{color:var(--muted);text-transform:uppercase;vertical-align:middle;margin-right:6px;font-size:.72rem;display:inline-block}.gloss-example{border-top:1px solid #eee;margin-top:10px;padding-top:8px;font-size:.92rem;line-height:1.45}.gloss-en{color:var(--muted);margin-top:10px;font-size:.88rem}.gloss-en 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0;font-size:.95rem;line-height:1.35;display:flex}.accounts-check input[type=checkbox]{margin-top:.2em}.accounts-create-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 14px;margin-bottom:14px;display:grid}.accounts-create-grid label{color:var(--muted);flex-direction:column;gap:4px;min-width:0;margin:0;font-size:.9rem;display:flex}.accounts-create-actions{justify-content:flex-start;display:flex}.accounts-pw-row{align-items:stretch;gap:8px;min-width:0;display:flex}.accounts-pw-row input{flex:1;min-width:0}.accounts-pw-row .btn{white-space:nowrap;flex-shrink:0}.accounts-table{min-width:720px}.accounts-table th:first-child,.accounts-table td:first-child{width:28%}.accounts-table th:nth-child(2),.accounts-table td:nth-child(2){width:18%}.accounts-table th:nth-child(3),.accounts-table td:nth-child(3){width:12%}.accounts-table th:nth-child(4),.accounts-table td:nth-child(4){width:16%}.accounts-table th:nth-child(5),.accounts-table td:nth-child(5){width:26%}.accounts-table select{width:100%;max-width:100%;padding:6px 8px;font-size:.88rem}.accounts-actions{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.accounts-actions .btn{padding:6px 10px;font-size:.85rem}.accounts-msg{color:var(--accent);background:var(--accent-soft);border-radius:8px;padding:8px 10px;font-size:.92rem}.accounts-empty{margin-top:16px}.status-pill{background:#eee;border-radius:999px;padding:2px 8px;font-size:.82rem;display:inline-block}.status-pill.status-active{color:#1f4d40;background:#d7e6e1}.status-pill.status-pending{color:#6a4e12;background:#f3e6c8}.status-pill.status-disabled,.status-pill.status-rejected{color:#7a2e2e;background:#f0dede}.tabs{flex-wrap:wrap;gap:8px;margin-bottom:16px;display:flex}.settings-grid{gap:12px;display:grid}.settings-grid .field{border-bottom:1px solid #f0ebe3;grid-template-columns:1fr 180px;align-items:center;gap:12px;padding:8px 0;display:grid}@media (width<=800px){.reader-layout{min-height:100dvh;padding:6px 4px 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0}.hub-tile-blurb{font-size:.78rem;line-height:1.3}.hub-lock{color:#888;font-size:.75rem;position:absolute;top:8px;right:8px}.match-board{grid-template-columns:1fr 1fr;gap:16px;margin-top:12px;display:grid}.match-col{flex-direction:column;gap:8px;display:flex}.clear-grid{grid-template-columns:repeat(4,1fr);gap:8px;margin-top:12px;display:grid}.clear-cell{min-height:48px}.clear-cell.gone{visibility:hidden}.chip{background:#2f5d501f;border-radius:6px;margin:2px;padding:4px 10px;display:inline-block}.voice-rate-row{flex-wrap:wrap;align-items:center;gap:6px;margin:4px 0;display:flex}