:root{--color-accent: #4f46e5;--color-accent-dark: #4338ca;--color-accent-light: #eef2ff;--color-surface: #ffffff;--color-surface-2: #f4f6f8;--color-border: #e2e8f0;--color-text-primary: #0f172a;--color-text-secondary:#64748b;--color-text-muted: #94a3b8;--color-bg: #f8fafc;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--shadow-sm: 0 1px 3px 0 rgb(0 0 0 / .06), 0 1px 2px -1px rgb(0 0 0 / .04);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .07), 0 2px 4px -2px rgb(0 0 0 / .05);--content-max-width: 1100px;--page-padding: 1.5rem}@media(prefers-color-scheme:dark){:root{--color-accent: #818cf8;--color-accent-dark: #6366f1;--color-accent-light: #1e1b4b;--color-surface: #0f172a;--color-surface-2: #1e293b;--color-border: #334155;--color-text-primary: #e2e8f0;--color-text-secondary:#94a3b8;--color-text-muted: #64748b;--color-bg: #020617}}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;min-height:100%;background:var(--color-bg);color:var(--color-text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.25;color:var(--color-text-primary)}p{margin:0}a{color:var(--color-accent)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.625rem 1.25rem;border-radius:var(--radius-sm);border:1px solid transparent;font-size:.9375rem;font-weight:600;text-decoration:none;cursor:pointer;transition:background-color .15s,border-color .15s,color .15s}.btn--primary{background:var(--color-accent);color:#fff}.btn--primary:hover{background:var(--color-accent-dark)}.btn--ghost{background:transparent;border-color:var(--color-border);color:var(--color-text-primary)}.btn--ghost:hover{border-color:var(--color-accent);color:var(--color-accent)}.btn--sm{padding:.5rem 1rem;font-size:.875rem}.btn--lg{padding:.8125rem 1.75rem;font-size:1rem}