:root{--bg: #f8fafc;--bg-card: #ffffff;--bg-sidebar: #f1f5f9;--text: #0f172a;--text-muted: #64748b;--text-light: #94a3b8;--border: #e2e8f0;--border-light: #f1f5f9;--accent: #3b82f6;--accent-hover: #2563eb;--danger: #ef4444;--success: #10b981;--warning: #f59e0b;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);--shadow-lg: 0 4px 12px rgba(0,0,0,.1), 0 2px 4px rgba(0,0,0,.06);--radius: 8px;--timeline-hour-height: 60px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}.header{background:var(--bg-card);border-bottom:1px solid var(--border);padding:12px 24px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100}.header h1{font-size:1.25rem;font-weight:700;display:flex;align-items:center;gap:8px}.header h1 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.15s}.day-tab:hover{color:var(--text)}.day-tab.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}.timeline-container{padding:16px 24px;overflow-x:auto}.timeline{position:relative;min-height:200px}.timeline-grid{position:relative;margin-left:56px}.time-label{position:absolute;left:-56px;font-size:.75rem;color:var(--text-muted);font-variant-numeric:tabular-nums;width:48px;text-align:right;transform:translateY(-50%)}.time-line{position:absolute;left:0;right:0;border-top:1px solid var(--border-light);height:0}.time-line-half{border-top:1px dashed var(--border-light)}.task-card{position:absolute;border-radius:var(--radius);padding:8px 10px;cursor:pointer;overflow:hidden;border-left:3px solid;transition:box-shadow .15s,transform 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var(--border);border-radius:6px;overflow:hidden}.view-toggle button{padding:6px 12px;border:none;background:var(--bg-card);font-size:.8125rem;cursor:pointer;color:var(--text-muted)}.view-toggle button:not(:last-child){border-right:1px solid var(--border)}.view-toggle button.active{background:var(--accent);color:#fff}@media(max-width:768px){.header,.filters{padding:10px 16px}.timeline-container{padding:12px 16px}.filter-group select{min-width:120px}.modal{margin:10px}}