@import"https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600;8..60,700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap";:root{--bg: #F2F4F7;--bg-deep: #E9ECF1;--surface: #FFFFFF;--surface-2: #FAFBFC;--surface-3: #F2F4F7;--surface-tint: #FCFCFD;--brand: #00A87E;--brand-strong: #007F60;--brand-bright: #28C09A;--brand-soft: #E6F7F1;--brand-faint: #F4FBF8;--brand-tint: #D5F1E8;--brand-ink: #FFFFFF;--brand-gradient: linear-gradient(135deg, #007F60 0%, #00A87E 55%, #28C09A 100%);--brand-line: linear-gradient(90deg, #007F60 0%, #00A87E 45%, #28C09A 75%, transparent 100%);--ink-1: #111827;--ink-2: #4B5563;--ink-2-soft: #6B7280;--ink-3: #9CA3AF;--ink-4: #C5CAD3;--ink-disabled: #D1D5DB;--border: #E5E7EB;--border-soft: #EEF0F2;--border-strong: #D5D9E0;--hairline: rgba(17, 24, 39, .06);--accent-ai: #8B5CF6;--accent-ai-soft:#F1ECFD;--accent-warn: #F59E0B;--accent-warn-soft:#FEF3DA;--accent-error: #EF4444;--accent-error-soft:#FCE8E8;--accent-success:#00A87E;--accent-success-soft:#E6F7F1;--accent-info: #2563EB;--accent-info-soft:#E4ECFD;--accent-link: #2563EB;--accent-coral: #E66B5C;--accent-amber: #D49317;--r-xs: 4px;--r-sm: 6px;--r-md: 8px;--r-card: 10px;--r-panel: 12px;--r-pill: 999px;--sh-1: 0 1px 0 rgba(17, 24, 39, .04);--sh-2: 0 4px 12px -2px rgba(17, 24, 39, .06);--sh-3: 0 10px 28px -10px rgba(17, 24, 39, .12);--sh-brand-1: 0 4px 12px -4px rgba(0, 168, 126, .3);--sh-brand-2: 0 10px 26px -10px rgba(0, 168, 126, .38);--sh-focus: 0 0 0 3px rgba(0, 168, 126, .18);--sh-focus-info: 0 0 0 3px rgba(37, 99, 235, .2);--sh-focus-warn: 0 0 0 3px rgba(245, 158, 11, .22);--t-fast: .12s cubic-bezier(.4, 0, .2, 1);--t-med: .2s cubic-bezier(.4, 0, .2, 1);--t-slow: .32s cubic-bezier(.4, 0, .2, 1);--font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Segoe UI", "Inter", ui-sans-serif, sans-serif;--font-mono: "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;--font-serif: "Source Serif 4", "Iowan Old Style", "Apple Garamond", Georgia, serif;--fs-xs: 11px;--fs-sm: 12px;--fs-base: 13.5px;--fs-md: 14px;--fs-lg: 15px;--fs-xl: 18px;--fs-2xl: 22px;--fs-3xl: 28px;--lh-tight: 1.4;--lh-base: 1.55;--lh-loose: 1.7;color:var(--ink-1);background:var(--bg);font-family:var(--font-sans);font-size:var(--fs-base);line-height:var(--lh-base);font-feature-settings:"cv11","ss01","ss02";font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--rw-ink: var(--ink-1);--rw-ink-soft: var(--ink-2);--rw-ink-mute: var(--ink-3);--rw-paper: var(--surface);--rw-paper-2: var(--surface-2);--rw-paper-3: var(--surface-3);--rw-hairline: var(--border);--rw-hairline-soft: var(--border-soft);--rw-oxford: var(--brand-strong);--rw-oxford-soft: var(--brand);--rw-saffron: var(--brand);--rw-saffron-soft: var(--brand-bright);--rw-affirm: var(--accent-success);--rw-display: "Source Serif 4", "Iowan Old Style", "Apple Garamond", Georgia, serif;--rw-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace}html[data-theme=dark]{--bg: #0E1218;--bg-deep: #0A0D13;--surface: #161B23;--surface-2: #1A2029;--surface-3: #232A35;--surface-tint: #1E2530;--brand: #2DD4A7;--brand-strong: #5FE0BD;--brand-bright: #34D9C0;--brand-soft: rgba(45, 212, 167, .16);--brand-faint: rgba(45, 212, 167, .08);--brand-tint: rgba(45, 212, 167, .22);--brand-ink: #06231B;--brand-gradient: linear-gradient(135deg, #0E8F6B 0%, #14A883 45%, #2DD4A7 100%);--brand-line: linear-gradient(90deg, #0E8F6B 0%, #14A883 35%, #2DD4A7 70%, transparent 100%);--ink-1: #E5E9F0;--ink-2: #B8C0CC;--ink-2-soft: #95A0B0;--ink-3: #6C7689;--ink-4: #4A5365;--ink-disabled: #3B4252;--border: #2C333F;--border-soft: #232A35;--border-strong: #3B4452;--hairline: rgba(255, 255, 255, .05);--accent-ai-soft:#291F46;--accent-warn-soft:#3A2B11;--accent-error-soft:#3B1B22;--accent-success-soft:#0E2E1F;--accent-info-soft:rgba(74, 139, 240, 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auto;width:36px;height:36px;place-items:center;border-radius:9px;color:#10223b;background:#7ee2c7;font-size:20px;font-weight:850}.brand-title{color:#172033;font-size:16px;font-weight:800}.brand-subtitle{margin-top:2px;color:#66788d;font-size:12px}.library-search,.list-search{display:flex;align-items:center;gap:8px;border:1px solid #cfd9e6;border-radius:8px;padding:0 10px;color:#708095;background:#fff}.library-search{margin-bottom:14px}.library-search input,.list-search input{min-width:0;height:34px;border:0;outline:0;color:#172033;background:transparent}.collection-header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.collection-header strong,.collection-header span{display:block}.collection-header strong{color:#172033;font-size:14px}.collection-header span{margin-top:2px;color:#8a98aa;font-size:12px}.small-icon-button,.icon-button{display:inline-flex;align-items:center;justify-content:center;border:1px solid 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span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.folder-row strong{color:#8492a6;font-size:12px}.folder-row.active,.folder-row:hover{color:#1d4fbf;background:#e8f0ff}.folder-row.active svg,.folder-row:hover svg{color:#1d4fbf}.folder-section-title{margin:12px 8px 5px;color:#8492a6;font-size:11px;font-weight:750;text-transform:uppercase}.collection-item{display:grid;grid-template-columns:18px minmax(0,1fr) auto;align-items:center;gap:7px;min-height:32px;border:0;border-radius:7px;color:#33445c;background:transparent;text-align:left}.collection-item span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.collection-item strong{color:#8492a6;font-size:12px}.collection-item.active{color:#1d4fbf;background:#e8f0ff}.collection-item.active strong{color:#6d83a4}.tag-filter-box{display:flex;flex-wrap:wrap;gap:6px 8px;margin-top:auto;border-top:1px solid #dce4ef;padding:12px 2px 0}.tag-filter-box span{color:#7b879b;font-size:12px}.list-main,.reader-main{display:grid;grid-template-rows:auto minmax(0,1fr);min-width:0;background:#fff}.list-main{overflow:hidden}.list-toolbar,.reader-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;min-width:0;border-bottom:1px solid #dfe5ee;padding:10px 14px;background:#fff}.list-toolbar h1{margin:0;color:#172033;font-size:18px;line-height:1.25}.list-toolbar p{margin:3px 0 0;color:#68798e;font-size:12px}.toolbar-actions{display:flex;align-items:center;flex:0 0 auto;gap:8px}.list-search{width:260px;height:34px}.tool-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:34px;border:1px solid var(--border);border-radius:var(--r-md);padding:0 14px;color:var(--ink-1);background:var(--surface);font-size:var(--fs-sm);font-weight:600;letter-spacing:.1px;transition:background var(--t-fast),border-color var(--t-fast),color var(--t-fast),box-shadow var(--t-fast),transform var(--t-fast)}.secondary-button:hover{border-color:var(--brand);background:var(--brand-faint);color:var(--brand-strong)}.secondary-button:active{background:var(--brand-tint);transform:translateY(.5px)}.tool-button{color:var(--brand-ink);background:var(--brand-gradient);border-color:transparent;font-weight:600;box-shadow:var(--sh-brand-1)}.tool-button:hover{background:linear-gradient(135deg,#0b348a,#1a55c6 45%,#2098c8);box-shadow:var(--sh-brand-2)}.tool-button:active{transform:translateY(.5px)}.tool-button:disabled,.secondary-button:disabled{opacity:.5;cursor:not-allowed;background:var(--surface-2);color:var(--ink-3);box-shadow:none;border-color:var(--border)}.tool-button:disabled{background:var(--surface-2);color:var(--ink-3)}.ghost-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:30px;border:0;background:transparent;color:var(--ink-2);padding:0 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var(--t-fast)}.sel-trans-action:hover{border-color:var(--brand);color:var(--brand-strong);background:var(--brand-faint)}.sel-trans-action:disabled{opacity:.4;cursor:not-allowed}.sel-trans-action.primary{background:var(--brand-gradient);color:var(--brand-ink);border-color:transparent;box-shadow:var(--sh-brand-1)}.sel-trans-action.primary:hover{background:linear-gradient(135deg,#0b348a,#1a55c6 45%,#2098c8);box-shadow:var(--sh-brand-2)}.ui-btn-sm{min-height:28px;padding:0 10px;font-size:var(--fs-xs)}.ui-iconbtn{display:inline-grid;place-items:center;width:30px;height:30px;border:1px solid var(--border);background:var(--surface);border-radius:var(--r-md);color:var(--ink-2);cursor:pointer;transition:all var(--t-fast)}.ui-iconbtn:hover{background:var(--brand-faint);color:var(--brand-strong);border-color:var(--brand)}.ui-iconbtn-brand{background:var(--brand);color:#fff;border-color:var(--brand)}.ui-iconbtn-brand:hover{background:var(--brand-strong);color:#fff;border-color:var(--brand-strong)}.ui-iconbtn-danger:hover{background:var(--accent-error-soft);color:var(--accent-error);border-color:var(--accent-error)}.ui-chip{display:inline-flex;align-items:center;gap:5px;max-width:320px;padding:3px 4px 3px 10px;border-radius:var(--r-pill);font-size:var(--fs-sm);font-weight:600;line-height:1.3;border:1px solid transparent}.ui-chip-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ui-chip-close{display:grid;place-items:center;width:18px;height:18px;border:0;border-radius:var(--r-pill);background:transparent;color:inherit;opacity:.75;cursor:pointer;transition:opacity var(--t-fast),background var(--t-fast)}.ui-chip-close:hover{opacity:1;background:#0000000f}.ui-chip-clickable{cursor:pointer;transition:filter var(--t-fast)}.ui-chip-clickable:hover{filter:brightness(.96)}.ui-chip-brand{background:var(--brand-faint);color:var(--brand-strong);border-color:var(--brand-soft)}.ui-chip-neutral{background:var(--surface-2);color:var(--ink-2);border-color:var(--border)}.ui-chip-success{background:var(--accent-success-soft);color:#0f6f3c;border-color:#1e9f5e52}.ui-chip-warn{background:var(--accent-warn-soft);color:#8c5a11;border-color:#e8932152}.ui-chip-danger{background:var(--accent-error-soft);color:#9a222e;border-color:#dc354552}.ui-chip-ai{background:var(--accent-ai-soft);color:#5530b3;border-color:#7a4be652}.ui-card{border:1px solid var(--border);border-radius:var(--r-card);background:var(--surface);box-shadow:var(--sh-1)}.ui-card-padless{padding:0}.ui-card:not(.ui-card-padless){padding:16px 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