:root{--bg:#f6f7fb;--card:#fff;--cardAlt:#faf5ff;--fg:#0f172a;--muted:#64748b;--border:#e8ebf2;--inputBg:#fff;--brand:#6d28d9;--brandTo:#4f46e5;--accent:#ec4899;--onBrand:#fff;--pos:#059669;--neg:#e11d48;--warn:#d97706;--chipBg:#ede9fe;--heroFrom:#5b21b6;--heroMid:#4f46e5;--heroTo:#7c3aed;--shadow:0 1px 2px rgba(15,23,42,.04), 0 12px 28px -12px rgba(79,70,229,.18);--radius:18px}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--fg);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;transition:background .25s ease,color .25s ease}.app{max-width:1080px;margin:0 auto;padding:24px 24px 48px}.promo-banner{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin:0 0 18px;padding:12px 16px;border-radius:14px;background:linear-gradient(120deg,var(--heroFrom),var(--heroMid) 55%,var(--heroTo));color:#fff;box-shadow:var(--shadow)}.promo-content{display:flex;align-items:center;gap:12px;min-width:0}.promo-badge{flex:none;font-size:12px;font-weight:800;letter-spacing:.3px;background:#fff3;padding:5px 10px;border-radius:999px;white-space:nowrap}.promo-text{display:flex;flex-direction:column;gap:1px;min-width:0}.promo-text strong{font-size:15px}.promo-benefits{font-size:12.5px;opacity:.9}.promo-actions{display:flex;align-items:center;gap:8px;flex:none}.promo-cta{background:#fff;color:var(--brand);font-weight:800;border:none}.promo-cta:hover{filter:brightness(.96)}.promo-x{border:none;background:#ffffff2e;color:#fff;cursor:pointer;width:30px;height:30px;border-radius:50%;font-size:13px;display:grid;place-items:center}.promo-x:hover{background:#ffffff4d}.nav{position:relative;display:flex;align-items:center;justify-content:space-between;padding:6px 0 20px;margin-bottom:24px}.nav h1,.nav strong{font-size:19px;font-weight:800;letter-spacing:-.4px}.nav 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