:root{--bg: #f5f7fb;--bg-soft: #ffffff;--bg-muted: #eef2f7;--text: #172033;--text-soft: #5b6475;--text-faint: #8f97a8;--border: #d9e0ea;--border-strong: #c8d0dc;--primary: #2563eb;--primary-soft: rgba(37, 99, 235, .12);--success-bg: #edf9f0;--success-text: #1e6b35;--error-bg: #fff0f0;--error-text: #b42318;--warning: #d97706;--shadow: 0 18px 50px rgba(16, 24, 40, .08);--shadow-soft: 0 10px 24px rgba(16, 24, 40, .06);--sidebar-bg: #0f172a;--sidebar-text: #dbe4f3;--sidebar-muted: #93a4bf;--sidebar-active: rgba(255, 255, 255, .12);--chart-line: #2563eb;--chart-area: rgba(37, 99, 235, .14);--chart-dot: #2563eb;--grid: #dbe3ef}[data-theme=dark]{--bg: #0b1220;--bg-soft: #111a2e;--bg-muted: #16223c;--text: #edf2ff;--text-soft: #b6c0d6;--text-faint: #8ea0bf;--border: #24324d;--border-strong: #31415f;--primary: #5b8cff;--primary-soft: rgba(91, 140, 255, .16);--success-bg: rgba(30, 107, 53, .18);--success-text: #8fe0a5;--error-bg: rgba(180, 35, 24, .18);--error-text: #ff9f97;--warning: #fbbf24;--shadow: 0 22px 60px rgba(0, 0, 0, .35);--shadow-soft: 0 12px 28px rgba(0, 0, 0, .25);--sidebar-bg: #08101d;--sidebar-text: #edf2ff;--sidebar-muted: #9aa8c1;--sidebar-active: rgba(91, 140, 255, .18);--chart-line: #7aa2ff;--chart-area: rgba(122, 162, 255, .18);--chart-dot: #7aa2ff;--grid: #24324d}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit}code{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace}.login-shell{min-height:100vh;display:grid;place-items:center;padding:32px 16px;position:relative;overflow:hidden;background:radial-gradient(circle at 15% 20%,rgba(37,99,235,.12),transparent 22%),radial-gradient(circle at 85% 15%,rgba(14,165,233,.12),transparent 22%),linear-gradient(180deg,var(--bg) 0%,var(--bg) 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rgba(255,255,255,.06)}.brand-block{display:flex;gap:14px;align-items:center;margin-bottom:26px}.brand-name{font-weight:700;font-size:1.05rem}.brand-subtitle{color:var(--sidebar-muted);font-size:.92rem;margin-top:4px}.sidebar-nav{display:grid;gap:8px}.nav-item{width:100%;text-align:left;border:none;border-radius:12px;padding:12px 14px;background:transparent;color:var(--sidebar-text);font-weight:600}.nav-item.active{background:var(--sidebar-active)}.sidebar-footer{margin-top:auto;padding-top:24px}.sidebar-note{color:var(--sidebar-muted);font-size:.92rem;line-height:1.5}.main-content{display:flex;flex-direction:column;min-width:0;padding:28px;gap:18px}.topbar{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.topbar h1{margin:0;font-size:1.8rem}.topbar p{margin:8px 0 0;color:var(--text-soft)}.topbar-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.user-pill{display:inline-flex;align-items:center;gap:10px;padding:10px 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900px){.app-shell{grid-template-columns:1fr}.sidebar{border-right:none;border-bottom:1px solid rgba(255,255,255,.06)}.main-content{padding:20px}.topbar{flex-direction:column;align-items:stretch}}@media (max-width: 640px){.login-card{padding:24px;border-radius:20px}.stats-grid,.settings-grid,.insight-strip{grid-template-columns:1fr}.topbar-actions{flex-direction:column;align-items:stretch}.modal-card{padding:20px}.main-content{padding:16px}.panel,.chart-card{padding:18px}}