:root{--bg:#071228;--text:#f4f8ff;--text-soft:#a4b1ca;--border:#263a68;--color-bg:var(--bg);--color-surface:rgba(11,20,42,0.78);--color-surface-alt:rgba(255,255,255,0.08);--color-text:var(--text);--color-text-soft:var(--text-soft);--color-border:var(--border);--color-primary:#5b8cff;--color-secondary:#22d3ee;--color-accent:#f4bb4b;--color-success:#62c66c;--color-danger:#f47979;--gradient-primary:linear-gradient(135deg,var(--color-primary),var(--color-secondary))}*{box-sizing:border-box}body,html{margin:0;padding:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:radial-gradient(circle at 8% 5%,color-mix(in srgb,var(--color-primary) 35%,#0b1326) 0,var(--bg) 42%,#03060f 100%);color:var(--text)}a{color:inherit;text-decoration:none}.container{max-width:1100px;margin:0 auto;padding:1.5rem 1.25rem 4rem}.chip{display:inline-flex;align-items:center;gap:.5rem;padding:.45rem .8rem;border-radius:999px;background:color-mix(in srgb,var(--color-primary) 18%,transparent);border:1px solid color-mix(in srgb,var(--color-primary) 52%,transparent);font-size:.84rem;margin-right:.4rem;margin-bottom:.4rem}.chip,.chip--light{color:var(--color-text)}.chip--light{background:color-mix(in srgb,var(--color-surface-alt) 80%,transparent);border:1px solid hsla(0,0%,100%,.35)}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:.75rem 1.1rem;font-weight:600}.btn-primary{background:var(--gradient-primary);color:var(--color-bg)}.btn-ghost{border:1px solid color-mix(in srgb,var(--color-primary) 62%,transparent);color:var(--color-text);background:color-mix(in srgb,var(--color-bg) 72%,transparent)}.card{background:linear-gradient(160deg,var(--color-surface-alt),color-mix(in srgb,var(--color-surface) 70%,transparent));border:1px solid var(--border);border-radius:14px;padding:1rem}.card h3{margin-top:0;font-size:1rem}.card p{margin-bottom:0;color:var(--text-soft);font-size:.95rem}.preview-note{margin-top:1rem;font-size:.9rem;color:var(--color-accent)}body[data-theme=sunset]{--bg:#220f10;--text:#fff6ef;--text-soft:#efc2aa}body[data-theme=volcanic]{--bg:#16110f;--text:#fff7f2;--text-soft:#f2c5a6}