*{box-sizing:border-box;font-family:system-ui,sans-serif}
body{margin:0;background:#f0f4f8;color:#1a202c;padding-bottom:70px}
header{background:#007bff;color:#fff;padding:14px 16px;position:sticky;top:0;display:flex;justify-content:space-between;align-items:center}
header h1{font-size:16px;margin:0}header button{width:auto;background:#0056b3;padding:6px 12px;margin:0}
main,#auth{padding:16px;max-width:640px;margin:0 auto}
.card{background:#fff;border-radius:12px;padding:14px;margin-bottom:12px;box-shadow:0 1px 3px #0002}
.card h3{margin:0 0 6px;font-size:15px}.meta{font-size:13px;color:#4a5568}
input,select,textarea,button{width:100%;padding:11px;margin:5px 0;border-radius:10px;border:1px solid #cbd5e0;font-size:14px;background:#fff}
button{background:#007bff;color:#fff;border:none;font-weight:600}
button.sec{background:#e2e8f0;color:#2d3748}
#tabs{display:flex;gap:8px;margin-bottom:12px}#tabs button{margin:0}#tabs .on{background:#007bff;color:#fff}#tabs button:not(.on){background:#e2e8f0;color:#2d3748}
.offer{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #edf2f7;padding:8px 0;gap:8px}
.offer button{width:auto;margin:0;padding:8px 12px}
.total{color:#007bff;font-weight:700}.best{background:#c6f6d5;color:#276749;border-radius:6px;padding:1px 6px;font-size:11px}
.row{display:flex;gap:6px}.hidden{display:none!important}
#ios{background:#fffbea;border:1px solid #f6e05e;padding:10px;border-radius:10px;font-size:13px;margin-bottom:10px}
#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#1a202c;color:#fff;padding:10px 18px;border-radius:10px;opacity:0;transition:.3s;pointer-events:none}#toast.show{opacity:1}

.lb{display:block;font-size:12px;color:#4a5568;margin-top:6px}
.ct{margin-top:8px}.ct a{flex:1;text-align:center;padding:9px 4px;border-radius:10px;background:#e2e8f0;color:#2d3748;text-decoration:none;font-size:13px;font-weight:600}
.ct a.wa{background:#25d366;color:#fff}
.sum{font-size:13px;color:#4a5568;margin:2px 0}.tag{background:#fefcbf;color:#744210;border-radius:6px;padding:1px 6px;font-size:11px}
.link{width:auto;background:none;color:#007bff;padding:4px 0;margin:0 12px 0 0;font-size:13px;border:none}.link.red{color:#e53e3e}