:root{--color-primary:#2563eb;--color-accent:#8b5cf6;--color-success:#047857;--color-error:#b91c1c;--color-text-primary:#1e293b;--color-text-secondary:#64748b;--bg-primary:#f0f4f8;--bg-secondary:#f8fafc;--bg-card:#fff;--border-subtle:#e4e8ef;--shadow-md:0 1px 3px #0f172a0f, 0 1px 2px -1px #0f172a0a;--radius-xl:14px;--radius-lg:10px;--radius-md:8px}html,body{background:var(--bg-primary);color:var(--color-text-primary);margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}a{color:inherit;text-decoration:none}*{box-sizing:border-box}h1,h2,h3{margin:0;font-weight:700;line-height:1.2}h1{letter-spacing:-.05em;font-size:clamp(2.3rem,5vw,4.5rem)}.btn-primary{background:var(--color-primary);color:#fff;border-radius:999px;padding:12px 18px;font-weight:700}.btn-secondary{color:var(--color-text-primary);background:#ffffffd1;border-radius:999px;padding:12px 18px;font-weight:700}.card{border-radius:var(--radius-xl);background:var(--bg-card);border:1px solid var(--border-subtle);box-shadow:var(--shadow-md);padding:20px}input[type=text],input[type=number],select,textarea{border-radius:var(--radius-md);width:100%;color:var(--color-text-primary);background:#fff;border:1px solid #14213d24;padding:12px 14px}.banner{border-radius:var(--radius-lg);margin:0 0 16px;padding:14px 16px;font-weight:600}.banner.success{color:var(--color-success);background:#22c55e1f}.banner.error{color:var(--color-error);background:#ef44441f}