:root{--bg-primary: #0a0e1a;--bg-secondary: #111827;--bg-card: #1a1f35;--bg-card-hover: #1f2545;--bg-input: #0f1525;--text-primary: #e2e8f0;--text-secondary: #94a3b8;--text-muted: #64748b;--text-accent: #818cf8;--accent-indigo: #6366f1;--accent-indigo-light: #818cf8;--accent-indigo-glow: rgba(99, 102, 241, .25);--accent-rose: #f43f5e;--accent-emerald: #10b981;--accent-amber: #f59e0b;--accent-violet: #8b5cf6;--border-subtle: rgba(148, 163, 184, .1);--border-hover: rgba(99, 102, 241, .3);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-glow: 0 0 30px rgba(99, 102, 241, .15);--sidebar-width: 380px;--header-height: 72px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-smooth: .35s cubic-bezier(.4, 0, .2, 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var(--transition-fast)}.keyword-add-btn:hover{border-color:var(--accent-indigo);color:var(--accent-indigo-light);background:#6366f10d}.date-row{display:flex;align-items:center;gap:.5rem}.date-input{flex:1;padding:.55rem .6rem;background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.85rem;font-family:inherit;transition:all var(--transition-fast);outline:none}.date-input:focus{border-color:var(--accent-indigo);box-shadow:0 0 0 3px var(--accent-indigo-glow)}.date-input::-webkit-calendar-picker-indicator{filter:invert(.7);cursor:pointer}.date-separator{color:var(--text-muted);font-size:.85rem;flex-shrink:0}.date-quick-btns{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:.5rem}.quick-date-btn{padding:.3rem .65rem;background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:20px;color:var(--text-secondary);font-size:.75rem;font-family:inherit;cursor:pointer;transition:all var(--transition-fast)}.quick-date-btn:hover{background:#6366f11f;border-color:var(--accent-indigo);color:var(--accent-indigo-light)}.timeunit-btns{display:flex;gap:.4rem}.timeunit-btn{flex:1;padding:.5rem;background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.85rem;font-family:inherit;cursor:pointer;transition:all var(--transition-fast)}.timeunit-btn:hover{border-color:var(--border-hover)}.timeunit-btn.active{background:#6366f126;border-color:var(--accent-indigo);color:var(--accent-indigo-light);font-weight:600}.search-submit-btn{width:100%;padding:.75rem;background:linear-gradient(135deg,var(--accent-indigo),var(--accent-violet));border:none;border-radius:var(--radius-sm);color:#fff;font-size:1rem;font-weight:700;font-family:inherit;cursor:pointer;transition:all var(--transition-normal);display:flex;align-items:center;justify-content:center;gap:.5rem;box-shadow:0 4px 15px 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