:root{--text:#4b5563;--text-h:#0f172a;--bg:#f4f6f9;--bg-card:#fff;--border:#e2e8f0;--sidebar-bg:#111827;--sidebar-text:#cbd5e1;--color-b2b:#6366f1;--color-b2c:#06b6d4;--color-accent-2:#f59e0b;--color-danger:#ef4444;--shadow:0 1px 3px #0f172a14, 0 1px 2px #0f172a0f;--sans:system-ui, "Segoe UI", Roboto, sans-serif;font:15px/1.5 var(--sans);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--text:#cbd5e1;--text-h:#f8fafc;--bg:#0b1120;--bg-card:#151b2c;--border:#253046;--sidebar-bg:#0a0e18;--sidebar-text:#94a3b8}}*{box-sizing:border-box}body{margin:0}h1{color:var(--text-h);margin:0 0 20px;font-size:24px;font-weight:600}h2{color:var(--text-h);margin:0 0 16px;font-size:16px;font-weight:600}#root{min-height:100svh}.login-screen{justify-content:center;align-items:center;min-height:100svh;padding:24px;display:flex}.login-card{background:var(--bg-card);border:1px solid var(--border);width:100%;max-width:360px;box-shadow:var(--shadow);border-radius:12px;flex-direction:column;gap:14px;padding:32px;display:flex}.login-card h1{margin:0;font-size:20px}.login-subtitle{color:var(--text);margin-bottom:8px;font-size:13px}.loading,.loading-screen{text-align:center;color:var(--text);padding:40px}label{color:var(--text-h);flex-direction:column;gap:6px;font-size:13px;font-weight:500;display:flex}input,select{font:inherit;border:1px solid var(--border);background:var(--bg-card);color:var(--text-h);border-radius:8px;padding:9px 10px}button{font:inherit;background:var(--color-b2b);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:10px 16px;font-weight:600}button:disabled{opacity:.6;cursor:default}.error-box{color:var(--color-danger);background:#ef44441a;border:1px solid #ef44444d;border-radius:8px;padding:10px 12px;font-size:13px}.app-shell{min-height:100svh;display:flex}.sidebar{background:var(--sidebar-bg);width:220px;color:var(--sidebar-text);flex-direction:column;flex-shrink:0;padding:20px 14px;display:flex}.brand{color:#fff;letter-spacing:.5px;padding:0 10px 20px;font-size:17px;font-weight:700}.sidebar nav{flex-direction:column;flex:1;gap:4px;display:flex}.nav-item{text-align:left;color:var(--sidebar-text);background:0 0;border-radius:8px;padding:10px 12px;font-weight:500}.nav-item:hover{background:#ffffff0f}.nav-item.active{background:var(--color-b2b);color:#fff}.sidebar-footer{border-top:1px solid #ffffff1a;flex-direction:column;gap:4px;padding-top:14px;display:flex}.user-email{color:#fff;text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.user-role{margin-bottom:8px;font-size:12px}.logout-btn{background:#ffffff14;padding:8px;font-size:13px}.main-content{flex:1;max-width:1280px;padding:28px 32px;overflow-x:hidden}.page-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.page-header h1{margin:0 0 20px}.upload-box{align-items:center;gap:10px;margin-bottom:16px;display:flex}.upload-box input{padding:6px}.upload-msg{color:var(--text);font-size:13px}.filter-bar{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;flex-wrap:wrap;align-items:end;gap:14px;margin-bottom:22px;padding:14px 16px;display:flex}.filter-bar label{font-size:12px}.clear-filter-btn{color:var(--text);border:1px solid var(--border);background:0 0;padding:9px 12px;font-weight:500}.kpi-grid{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-bottom:24px;display:grid}.kpi-card{background:var(--bg-card);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:10px;padding:16px 18px}.kpi-label{color:var(--text);margin-bottom:6px;font-size:12px}.kpi-value{color:var(--text-h);font-size:22px;font-weight:700}.kpi-sub{color:var(--text);margin-top:4px;font-size:12px}.chart-card,.table-card{background:var(--bg-card);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:10px;margin-bottom:20px;padding:18px 20px}.two-col{grid-template-columns:1fr 1fr;gap:20px;display:grid}@media (width<=900px){.two-col{grid-template-columns:1fr}.app-shell{flex-direction:column}.sidebar{width:100%}}table{border-collapse:collapse;width:100%;font-size:13px}th,td{text-align:left;border-bottom:1px solid var(--border);padding:8px 10px}th{color:var(--text);font-size:12px;font-weight:600}td{color:var(--text-h)}.link-btn{color:var(--color-b2b);background:0 0;padding:4px 8px;font-size:12px;font-weight:600}.link-btn.danger{color:var(--color-danger)}.user-form{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));align-items:end;gap:14px;display:grid}.user-form button{align-self:end}