:root{--bg-primary: #f8fafc;--bg-surface: #ffffff;--text-primary: #1e293b;--text-secondary: #64748b;--border-color: #e2e8f0;--accent-color: #6366f1;--accent-hover: #4f46e5;--header-bg: #f1f5f9;--heat-low: transparent;--heat-med: #fef08a;--heat-high: #fca5a5;--radius-md: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}body{margin:0;padding:0;background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-family);-webkit-font-smoothing:antialiased}#root{min-height:100vh;display:flex;flex-direction:column}.dashboard-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 2rem;background-color:var(--bg-surface);border-bottom:1px solid var(--border-color);box-shadow:var(--shadow-sm)}.header-title{display:flex;align-items:center;gap:1rem}.logo-placeholder{background:var(--accent-color);color:#fff;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.2rem}h1{font-size:1.5rem;font-weight:600;margin:0;color:var(--text-primary)}.header-controls{display:flex;gap:.75rem}button{padding:.5rem 1rem;border-radius:var(--radius-md);font-weight:500;font-size:.875rem;cursor:pointer;transition:all .2s;border:none}.btn-primary{background-color:var(--accent-color);color:#fff}.btn-primary:hover{background-color:var(--accent-hover)}.btn-secondary{background-color:transparent;color:var(--text-secondary);border:1px solid var(--border-color)}.btn-secondary:hover{background-color:var(--header-bg);color:var(--text-primary)}.dashboard-main{flex:1;padding:2rem;overflow:hidden;display:flex;flex-direction:column}.table-wrapper{background:var(--bg-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);border:1px solid var(--border-color);overflow:auto;max-height:calc(100vh - 150px)}.sales-matrix{width:100%;border-collapse:collapse;font-size:.875rem;white-space:nowrap}th,td{padding:.75rem 1rem;border-bottom:1px solid var(--border-color);border-right:1px solid var(--border-color)}th:last-child,td:last-child{border-right:none}thead th{background-color:var(--header-bg);position:sticky;top:0;z-index:10;font-weight:600;color:var(--text-secondary);text-transform:uppercase;font-size:.75rem;letter-spacing:.05em;border-bottom:2px solid var(--border-color)}.text-right{text-align:right}.sticky-col{position:sticky;left:0;background-color:var(--header-bg);z-index:5;font-weight:600;color:var(--text-secondary);border-right:2px solid var(--border-color)}thead .sticky-col{z-index:20}.time-cell{text-align:center;color:var(--text-primary);font-weight:500}.data-cell{transition:background-color .2s}.data-cell:hover{background-color:var(--header-bg);cursor:pointer}.amount{color:var(--text-primary)}.heatmap-medium{background-color:var(--heat-med)}.heatmap-medium:hover{background-color:#fde047}.heatmap-high{background-color:var(--heat-high)}.heatmap-high:hover{background-color:#f87171}.footer-row td{background-color:var(--header-bg);font-weight:700;border-top:2px solid var(--border-color);position:sticky;bottom:0;z-index:10}.footer-row .sticky-col{z-index:20}.loading{display:flex;justify-content:center;align-items:center;height:100vh;font-size:1.25rem;color:var(--text-secondary)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}