.App{width:100%;height:100vh;margin:0;padding:0;overflow:hidden}:root{--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;--bg-primary: #1a1a2e;--bg-secondary: #16213e;--bg-surface: #1e2a47;--bg-viewer: #2a2a3e;--text-primary: #e8e8f0;--text-secondary: #9ca3b8;--text-muted: #6b7280;--accent: #4f8fff;--accent-hover: #3a7aee;--accent-glow: rgba(79, 143, 255, .25);--border-color: rgba(255, 255, 255, .08);--border-light: rgba(255, 255, 255, .12);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .3);--shadow-lg: 0 8px 30px rgba(0, 0, 0, .4);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--transition: .2s ease;--sentence-bg: rgba(79, 143, 255, .12);--sentence-border: rgba(79, 143, 255, 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14px;margin-top:8px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);cursor:pointer;font-size:13px;font-weight:600;font-family:var(--font-family);transition:all .2s}.ocr-button:hover:not(:disabled){background:var(--accent-hover)}.ocr-button:disabled{opacity:.5;cursor:wait}.page-tool-btn{display:flex;align-items:center;gap:8px;width:100%;padding:8px 12px;margin-top:6px;background:#ffffff0d;color:var(--text-secondary);border:1px solid var(--border-light);border-radius:var(--radius-sm);cursor:pointer;font-size:13px;font-family:var(--font-family);transition:all .2s}.page-tool-btn:hover:not(:disabled){background:#ffffff1a;color:var(--text-primary)}.page-tool-btn.danger:hover{background:#ef444426;border-color:#ef44444d;color:#ef4444}.page-tool-btn.primary{background:#4f8fff26;border-color:#4f8fff4d;color:var(--accent)}.page-tool-btn.primary:hover:not(:disabled){background:#4f8fff40}.page-tool-btn.success{background:#10b98126;border-color:#10b9814d;color:#10b981}.page-tool-btn.success:hover{background:#10b98140}.page-tool-btn:disabled{opacity:.5;cursor:wait}.page-deleted-notice{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:60px 40px;color:var(--text-muted)}.page-deleted-notice button{padding:8px 20px;background:#4f8fff26;color:var(--accent);border:1px solid rgba(79,143,255,.3);border-radius:var(--radius-sm);cursor:pointer;font-size:13px;font-family:var(--font-family);transition:all .2s}.page-deleted-notice button:hover{background:#4f8fff40}.ocr-scanning-beam{position:absolute;left:0;width:100%;height:3px;background:linear-gradient(90deg,transparent,var(--accent),transparent);box-shadow:0 0 20px var(--accent-glow);animation:scanBeam 2s ease-in-out infinite;z-index:10}@keyframes scanBeam{0%{top:0}to{top:100%}}.ocr-lens-dot{position:absolute;width:8px;height:8px;transform:translate(-50%,-50%);cursor:pointer;z-index:5}.dot-core{width:4px;height:4px;border-radius:50%;background:var(--accent);position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.dot-pulse{position:absolute;width:100%;height:100%;border-radius:50%;background:var(--accent-glow);animation:dotPulse 1.5s ease-in-out infinite}@keyframes dotPulse{0%,to{transform:scale(1);opacity:.6}50%{transform:scale(2);opacity:0}}.ocr-status-badge{position:absolute;top:12px;right:12px;background:#000000b3;color:var(--accent);padding:6px 14px;border-radius:20px;font-size:12px;font-weight:600;z-index:15;animation:preparingPulse 1.5s ease-in-out infinite}.page-view{transition:transform .3s ease}.canvas-container{position:relative}