:root{--bg:oklch(98% 0.004 260);--surface:oklch(100% 0 0);--border:oklch(91% 0.006 260);--text:oklch(22% 0.014 260);--text-muted:oklch(52% 0.012 260);--accent:oklch(54% 0.19 265);--accent-soft:oklch(94% 0.03 265);--positive:oklch(56% 0.15 148);--positive-soft:oklch(94% 0.045 148);--negative:oklch(58% 0.19 25);--negative-soft:oklch(95% 0.04 25);--gold:oklch(72% 0.14 80);--gold-soft:oklch(95% 0.04 80)}*{box-sizing:border-box}body,html{margin:0;background:var(--bg);color:var(--text);font-family:IBM Plex Sans,system-ui,sans-serif;-webkit-font-smoothing:antialiased}.num{font-family:Space Grotesk,system-ui,sans-serif}a{color:var(--accent);text-decoration:none}a:hover{color:oklch(44% .19 265)}.card{background:var(--surface);border:1px solid var(--border);border-radius:14px}.nav-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:9px;color:var(--text-muted);font-size:14px;font-weight:500}.nav-item.active{background:var(--accent-soft);color:var(--accent)}.nav-item svg{flex-shrink:0}.sidebar-desktop{display:flex}.mobile-topbar{display:none}@media (max-width:768px){.sidebar-desktop{display:none}.mobile-topbar{display:flex;align-items:center;gap:12px;height:56px;padding:0 16px;border-bottom:1px solid var(--border);background:var(--surface);position:-webkit-sticky;position:sticky;top:0;z-index:30}}.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600}.pill.pos{background:var(--positive-soft);color:var(--positive)}.pill.neg{background:var(--negative-soft);color:var(--negative)}.badge-gold{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;background:var(--gold-soft);color:var(--gold)}.dt-mobile{display:none}@media (max-width:768px){.dt-desktop{display:none}.dt-mobile{display:flex;flex-direction:column;gap:10px}}.kpi-grid{display:grid;grid-template-columns:repeat(var(--kpi-cols,4),minmax(0,1fr));grid-gap:16px;gap:16px}@media (max-width:768px){.kpi-grid{grid-template-columns:1fr}}.stack-on-mobile{display:flex;gap:24px;align-items:flex-start}@media (max-width:768px){.stack-on-mobile{flex-direction:column}}.sku-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:20px;gap:20px}@media (max-width:768px){.sku-grid{grid-template-columns:1fr}}.chart-grid{display:grid;grid-template-columns:var(--chart-cols,1fr 1fr);grid-gap:20px;gap:20px}@media (max-width:768px){.chart-grid{grid-template-columns:1fr}}