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svg{color:var(--destructive)}.ctx-item.is-destructive:hover{background:var(--destructive-soft)}.toast-stack{position:fixed;bottom:var(--space-24);left:50%;transform:translate(-50%);display:flex;flex-direction:column;gap:var(--space-8);z-index:200;pointer-events:none}.toast{min-width:220px;max-width:420px;padding:var(--space-12) var(--space-16);border-radius:var(--radius-md);background:var(--bg-elevated);color:var(--text-primary);font-size:14px;font-weight:500;box-shadow:var(--shadow-menu),inset 0 0 0 1px var(--hairline-strong);animation:fadeInUp .24s var(--ease-out)}.toast-success{box-shadow:var(--shadow-menu),inset 0 0 0 1px var(--accent-hairline)}.toast-error{box-shadow:var(--shadow-menu),inset 0 0 0 1px #ff6b6b66;color:#ffd3d3}.sidebar{width:280px;flex-shrink:0;height:100vh;background:var(--bg-surface);box-shadow:inset -1px 0 0 var(--hairline);display:flex;flex-direction:column;padding:var(--space-16) var(--space-12) 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var(--ease-out)}.login-mark{display:flex;justify-content:center;margin-bottom:var(--space-24)}.login-glyph{width:72px;height:72px;border-radius:var(--radius-lg);box-shadow:var(--shadow-card);display:block}.login-title{font-size:24px;font-weight:700;letter-spacing:-.4px;margin:0 0 var(--space-8)}.login-sub{font-size:14px;color:var(--text-secondary);margin:0 auto var(--space-24);max-width:300px;line-height:1.5}.login-actions{display:flex;flex-direction:column;gap:var(--space-12)}.login-provider{display:flex;align-items:center;justify-content:center;gap:var(--space-12);height:48px;border-radius:var(--radius-sm);background:var(--bg-elevated);color:var(--text-primary);box-shadow:inset 0 0 0 1px var(--hairline-strong);font-size:15px;font-weight:600;transition:transform .12s var(--ease-out),background .18s 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1px,transparent 1.4px);background-size:16px 16px;background-position:12px 12px}.card-menu-btn{position:absolute;top:var(--space-8);right:var(--space-8);width:28px;height:28px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--text-primary);background:#141519b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:inset 0 0 0 1px var(--hairline-strong);opacity:0;transition:opacity .16s var(--ease-out),background .16s var(--ease-out)}.card-thumb:hover .card-menu-btn{opacity:1}.card-menu-btn:hover{background:#1c1e24e6}.card-meta{display:flex;flex-direction:column;gap:var(--space-4);padding:0 var(--space-2)}.card-title{font-size:15px;font-weight:600;color:var(--text-primary);line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card-sub{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-tertiary);min-width:0}.card-dot{color:var(--text-tertiary)}.card-when{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.page{padding:var(--space-40) var(--space-40) var(--space-64);max-width:1200px;margin:0 auto}.page-head{margin-bottom:var(--space-32)}.page-title{font-size:32px;font-weight:700;letter-spacing:-.6px;margin:0 0 var(--space-4)}.page-sub{font-size:15px;color:var(--text-secondary);margin:0}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-16);margin-bottom:var(--space-40)}.stat-tile{background:var(--bg-surface);border-radius:var(--radius-md);box-shadow:inset 0 0 0 1px var(--hairline);padding:var(--space-20)}.stat-tile.accent{box-shadow:inset 0 0 0 1px 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var(--space-24);gap:var(--space-16)}.library-empty-icon{color:var(--text-tertiary)}.library-empty h2{font-size:20px;font-weight:600;margin:0}.library-empty p{font-size:14px;color:var(--text-secondary);margin:0 0 var(--space-8);max-width:360px}.drop-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:120;display:none;align-items:center;justify-content:center;background:#0b0c0fb8;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);pointer-events:none}.library.is-dragging .drop-overlay{display:flex;animation:fadeIn .14s var(--ease-out)}.drop-inner{display:flex;flex-direction:column;align-items:center;gap:var(--space-12);padding:var(--space-48) var(--space-64);border-radius:var(--radius-xl);color:var(--accent);box-shadow:inset 0 0 0 2px var(--accent-hairline);background:var(--accent-soft)}.drop-title{font-size:18px;font-weight:600;color:var(--text-primary)}.drop-sub{font-size:13px;color:var(--text-secondary)}@media (max-width: 720px){.library-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:var(--space-16)}}.viewer{height:100vh;display:flex;flex-direction:column;background:var(--bg-base)}.viewer-bar{display:flex;align-items:center;gap:var(--space-12);height:60px;padding:0 var(--space-20);box-shadow:inset 0 -1px 0 var(--hairline);background:var(--bg-surface);flex-shrink:0}.viewer-back{width:40px;height:40px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--text-primary);transition:background .14s var(--ease-out),transform .12s var(--ease-out)}.viewer-back:hover{background:var(--hairline-hover)}.viewer-back:active{transform:scale(.92)}.viewer-title{flex:1;min-width:0;font-size:16px;font-weight:600;letter-spacing:-.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.viewer-download{flex-shrink:0}.viewer-scroll{flex:1;overflow-y:auto;padding:var(--space-32) var(--space-24) 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18px;box-shadow:var(--shadow-page);margin-bottom:var(--space-24)}.note-paper-badge{position:absolute;right:-14px;bottom:-14px;width:52px;height:52px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;background:var(--accent);color:var(--text-on-accent);box-shadow:var(--shadow-card)}.note-headline{font-size:20px;font-weight:600;letter-spacing:-.2px;margin:0}.note-sub{font-size:13px;color:var(--text-secondary);margin:0}.note-hint{font-size:14px;color:var(--text-tertiary);max-width:380px;line-height:1.5;margin:var(--space-8) 0 0}:root{--bg-base: #0B0C0F;--bg-surface: #141519;--bg-elevated: #1C1E24;--bg-scrim: rgba(0, 0, 0, .4);--hairline: rgba(255, 255, 255, .08);--hairline-strong: rgba(255, 255, 255, .12);--hairline-hover: rgba(255, 255, 255, .05);--glass-tint: rgba(22, 24, 29, .55);--text-primary: #F4F5F7;--text-secondary: #A2A7B3;--text-tertiary: #6B7080;--text-on-accent: #0B0C0F;--accent: #FA7000;--accent-soft: rgba(250, 112, 0, .16);--accent-glow: rgba(250, 112, 0, .22);--accent-hairline: rgba(250, 112, 0, .4);--destructive: #FF6B6B;--destructive-soft: rgba(255, 107, 107, .14);--paper-surface: #F7F6F2;--paper-dot: #C9C6BD;--pdf-page: #FFFFFF;--pdf-frame-hairline: rgba(255, 255, 255, .1);--radius-xs: 6px;--radius-sm: 10px;--radius-md: 14px;--radius-lg: 20px;--radius-xl: 28px;--radius-page: 4px;--space-2: 2px;--space-4: 4px;--space-8: 8px;--space-12: 12px;--space-16: 16px;--space-20: 20px;--space-24: 24px;--space-32: 32px;--space-40: 40px;--space-48: 48px;--space-64: 64px;--shadow-card: 0 4px 20px rgba(0, 0, 0, .22);--shadow-card-hover: 0 6px 28px rgba(0, 0, 0, .28);--shadow-bar: 0 8px 48px rgba(0, 0, 0, .3);--shadow-page: 0 10px 56px rgba(0, 0, 0, .35);--shadow-menu: 0 12px 60px rgba(0, 0, 0, .45);--ease-out: cubic-bezier(.22, 1, .36, 1);--ease-in-out: cubic-bezier(.65, 0, .35, 1);--spring: cubic-bezier(.34, 1.56, .64, 1);--font-ui: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", Arial, sans-serif;--font-rounded: ui-rounded, "SF Pro Rounded", var(--font-ui)}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg-base);color:var(--text-primary);font-family:var(--font-ui);font-size:15px;line-height:1.4;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}a{color:inherit;text-decoration:none}input{font-family:inherit}::selection{background:var(--accent-soft)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:#ffffff14;border-radius:8px;border:2px solid transparent;background-clip:padding-box}::-webkit-scrollbar-thumb:hover{background:#ffffff24;background-clip:padding-box}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-8);height:40px;padding:0 var(--space-16);border-radius:var(--radius-sm);font-size:15px;font-weight:600;transition:transform .12s var(--ease-out),background .18s var(--ease-out),opacity .18s var(--ease-out);white-space:nowrap}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.4;cursor:default}.btn-accent{background:var(--accent);color:var(--text-on-accent)}.btn-accent:hover{filter:brightness(1.06)}.btn-secondary{background:var(--bg-elevated);color:var(--text-primary);box-shadow:inset 0 0 0 1px var(--hairline)}.btn-secondary:hover{background:#22242b}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{background:var(--hairline-hover);color:var(--text-primary)}.btn-destructive{background:var(--destructive);color:#2a0d0d}.btn-destructive:hover{filter:brightness(1.06)}.chip{display:inline-flex;align-items:center;font-size:11px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;padding:2px 6px;border-radius:var(--radius-xs)}.chip-note{background:var(--accent-soft);color:var(--accent)}.chip-pdf{background:#ffffff14;color:var(--text-secondary)}.hairline{height:1px;background:var(--hairline);border:none;margin:0}@keyframes fadeInUp{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:18px;height:18px;border-radius:50%;border:2px solid var(--hairline-strong);border-top-color:var(--accent);animation:spin .7s linear infinite}.boot{height:100vh;display:flex;align-items:center;justify-content:center}.boot .spinner{width:26px;height:26px}