*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--primary:#25d366;--primary-dark:#128c7e;--bg:#f0f2f5;--card:#ffffff;--text:#111b21;--text-muted:#667781;--border:#e9edef;--danger:#ea4335;--radius:12px}html{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg)}body{min-height:100dvh;max-width:480px;margin:0 auto}a{color:var(--primary-dark);text-decoration:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border:none;border-radius:var(--radius);font-size:16px;font-weight:600;cursor:pointer;transition:opacity .15s;width:100%}.btn:active{opacity:.8}.btn-primary{background:var(--primary);color:white}.btn-outline{background:transparent;border:2px solid var(--primary);color:var(--primary-dark)}.btn-whatsapp{background:#25d366;color:white}.btn-danger{background:var(--danger);color:white}.card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.08)}.input{width:100%;padding:12px 16px;border:1px solid var(--border);border-radius:8px;font-size:16px;outline:none}.input:focus{border-color:var(--primary)}.badge{display:inline-block;padding:2px 8px;border-radius:100px;font-size:12px;font-weight:600}.badge-available{background:#dcfce7;color:#166534}.badge-reserved{background:#fef9c3;color:#854d0e}.badge-sold{background:#fee2e2;color:#991b1b}.badge-removed{background:#fecaca;color:#7f1d1d}.price{font-size:24px;font-weight:700;color:var(--primary-dark)}.header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--primary-dark);color:white;position:-webkit-sticky;position:sticky;top:0;z-index:10}.header h1{font-size:20px;font-weight:700}