:root{--bg-elevated: var(--bg-card);--success-color: #22c55e;--error-color: #ef4444;--bg-page: var(--bg-primary);--bg-primary: #0f0f1a;--bg-secondary: #1a1a2e;--bg-card: rgba(30, 30, 50, .7);--bg-glass: rgba(255, 255, 255, .05);--bg-drop-zone: rgba(108, 99, 255, .08);--bg-drop-zone-hover: rgba(108, 99, 255, .15);--accent-primary: #6c63ff;--accent-secondary: #a855f7;--accent-gradient: linear-gradient(135deg, #6c63ff 0%, #a855f7 100%);--accent-glow: 0 0 20px rgba(108, 99, 255, .3);--accent-success: #22c55e;--accent-warning: #f59e0b;--accent-error: #ef4444;--text-primary: #f1f1f6;--text-secondary: #a0a0b8;--text-muted: #6b6b80;--text-accent: #8b83ff;--border-color: rgba(108, 99, 255, .2);--border-subtle: rgba(255, 255, 255, .06);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .2);--shadow-md: 0 4px 16px rgba(0, 0, 0, .3);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .4);--shadow-accent: 0 4px 20px rgba(108, 99, 255, 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button:disabled{opacity:.5;cursor:not-allowed}.skeleton-loader{display:flex;flex-direction:column;gap:10px;padding:1.5rem;background:var(--bg-card);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);margin-bottom:1rem}.skeleton-line{height:12px;background:linear-gradient(90deg,var(--bg-secondary) 25%,var(--border-color) 50%,var(--bg-secondary) 75%);background-size:200% 100%;border-radius:4px;animation:shimmer 1.5s infinite}.skeleton-line.title{height:20px;width:50%;margin-bottom:10px}.skeleton-line.short{width:70%}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.confidence-badge{display:inline-flex;align-items:center;gap:.5rem;background:var(--bg-elevated);padding:.4rem .8rem;border-radius:20px;font-size:.85rem;font-weight:600;color:var(--text-primary);border:1px solid var(--border-color);margin-bottom:1rem;float:right;box-shadow:var(--shadow-sm)}.confidence-badge span.high{color:#10b981}.confidence-badge span.medium{color:#f59e0b}.confidence-badge span.low{color:#ef4444}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0f172ad9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:9998;display:flex;justify-content:center;align-items:center;opacity:0;transition:opacity .3s ease;pointer-events:none}.modal-overlay.active{opacity:1;pointer-events:auto}.history-modal{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--border-color);max-width:600px;width:90%;max-height:80vh;display:flex;flex-direction:column;transform:scale(.95);transition:transform .3s ease}.modal-overlay.active .history-modal{transform:scale(1)}.history-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem;border-bottom:1px solid var(--border-color)}.history-header h2{margin:0;color:var(--text-primary);font-size:1.4rem}.history-actions{display:flex;gap:.5rem;padding:1.5rem;border-top:1px solid var(--border-color)}.close-btn{background:none;border:none;color:var(--text-secondary);font-size:1.5rem;cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);transition:background .2s ease,color .2s ease}.close-btn:hover{background:#6c63ff1a;color:var(--text-primary)}.full-page-drop{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#0f172ad9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:9999;display:none;justify-content:center;align-items:center;opacity:0;transition:opacity .3s ease;pointer-events:none}.full-page-drop.active{display:flex;opacity:1}.full-page-drop-content{text-align:center;background:var(--bg-card);padding:4rem;border-radius:var(--radius-lg);border:2px dashed var(--accent-primary);box-shadow:0 20px 25px -5px #00000080;transform:scale(.9);transition:transform .3s cubic-bezier(.175,.885,.32,1.275)}.full-page-drop.active .full-page-drop-content{transform:scale(1)}.full-page-drop-content .drop-icon{font-size:4rem;display:block;margin-bottom:1rem}.full-page-drop-content h2{color:var(--text-primary);margin-bottom:.5rem;font-size:2rem}.full-page-drop-content p{color:var(--text-secondary);font-size:1.1rem}