:root{--bg-app:#f7f8fa;--bg-surface:#ffffff;--border:#e8eaed;--border-strong:#d6d9df;--text-primary:#1a1d29;--text-secondary:#6b7280;--text-muted:#9ca3af;--accent:#4f6bed;--accent-strong:#3a55d4;--accent-soft:#eef1fe;--success:#16a34a;--success-soft:#e7f6ec;--warning:#d97706;--warning-soft:#fdf3e3;--info:#2563eb;--info-soft:#e6efff;--danger:#dc2626;--danger-soft:#fde8e8;--font-sans:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--font-mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;--fs-eyebrow:11px;--fs-label:12px;--fs-body:13px;--fs-body-lg:14px;--fs-h3:16px;--fs-h2:18px;--fs-h1:22px;--fs-stat:30px;--fw-regular:400;--fw-medium:500;--fw-semibold:600;--fw-bold:700;--ls-eyebrow:0.06em;--radius-card:14px;--radius-tile:10px;--radius-input:8px;--radius-pill:999px;--border-w:1px;--sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:20px;--sp-6:24px;--sp-8:32px;--sp-10:40px;--sp-12:48px;--shadow-sm:0 1px 2px rgba(15,23,42,0.04);--shadow-md:0 4px 16px rgba(15,23,42,0.06);--sidebar-w:260px;--topbar-h:64px}*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0;font-family:var(--font-sans);font-size:var(--fs-body-lg);color:var(--text-primary);background:var(--bg-app);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body{min-height:100vh}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;cursor:pointer}h1,h2,h3,h4,h5,h6,p{margin:0}input,select,textarea{font-family:inherit;font-size:inherit}.eyebrow{font-size:var(--fs-eyebrow);font-weight:var(--fw-semibold);text-transform:uppercase;letter-spacing:var(--ls-eyebrow);color:var(--text-muted)}.muted{color:var(--text-secondary)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}