:root{--color-primary: #4f46e5;--color-primary-dark: #3730a3;--color-primary-light: #eef2ff;--color-accent: #14b8a6;--color-bg: #f5f6fb;--color-surface: #ffffff;--color-text: #1c1e2b;--color-text-muted: #6b7080;--color-border: #e5e7f0;--color-success: #10b981;--color-success-bg: #e7f9f2;--color-danger: #e11d48;--color-danger-bg: #fdecef;--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--shadow-sm: 0 1px 3px rgba(28, 30, 43, .06);--shadow-md: 0 8px 24px rgba(28, 30, 43, .08);--shadow-lg: 0 20px 44px rgba(28, 30, 43, .14);--font-sans: "Plus Jakarta Sans", "Segoe UI", system-ui, -apple-system, sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text)}button{font-family:inherit}a{color:inherit}h1,h2,h3{font-weight:800;letter-spacing:-.02em}.btn-primary{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:#fff;border:none;border-radius:var(--radius-sm);font-weight:700;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,opacity .12s ease;box-shadow:var(--shadow-sm)}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:#fff;color:var(--color-text);border:1.5px solid var(--color-border);border-radius:var(--radius-sm);font-weight:700;cursor:pointer;transition:border-color .12s ease,background .12s ease}.btn-secondary:hover:not(:disabled){border-color:var(--color-primary);background:var(--color-primary-light)}.btn-secondary:disabled{opacity:.6;cursor:not-allowed}.btn-link{background:none;border:none;color:var(--color-primary);cursor:pointer;font-weight:600;font-size:.88rem;padding:0}