:root{--brand:#059669;--brand-dark:#047857;--brand-light:#d1fae5;--bg:#f8fafc;--card:#ffffff;--text:#0f172a;--muted:#64748b;--border:#e2e8f0;--danger:#ef4444;--radius:14px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}button{font-family:inherit}.btn{border:none;border-radius:14px;padding:0 20px;font-weight:600;font-size:17px;min-height:52px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn-primary{background:var(--brand);color:#fff;min-height:56px;flex:1}.btn-primary:active{background:var(--brand-dark)}.btn-ghost{background:#fff;border:1px solid var(--border);color:var(--text)}.btn-danger{background:var(--danger);color:#fff}.card{background:var(--card);border-radius:var(--radius);border:1px solid var(--border);padding:16px;box-shadow:0 1px 3px #0000000f}.input{width:100%;border:1px solid var(--border);border-radius:12px;padding:12px 14px;font-size:17px;min-height:48px;background:#fff}.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-light)}.input.error{border-color:#fb923c;background:#fff7ed}.chip{padding:8px 14px;border-radius:999px;border:1px solid var(--border);background:#fff;font-size:14px;cursor:pointer}.chip.active{background:var(--brand);color:#fff;border-color:var(--brand)}.zone-thumb{position:sticky;bottom:0;background:#f8fafcf0;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:12px;border-top:1px solid var(--border);display:flex;gap:10px}.paso-bar{position:sticky;top:0;z-index:10;background:#fff;border-bottom:1px solid var(--border);padding:10px 16px;font-weight:700;font-size:18px;display:flex;justify-content:space-between;align-items:center}.badge{font-size:12px;padding:4px 8px;border-radius:999px;background:var(--brand-light);color:var(--brand-dark)}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media(max-width:480px){.grid2{grid-template-columns:1fr 1fr}}