.sg-card, .sg-form, .sg-activity {border:1px solid #eee; border-radius:14px; padding:14px; margin:10px 0; box-shadow: 0 2px 10px rgba(0,0,0,.04)}
.sg-title {font-weight:600; margin-bottom:8px}
.sg-grid {display:grid; grid-template-columns: repeat(auto-fill, minmax(260px,1fr)); gap:14px}
.sg-chip {display:inline-block; border:1px solid #ddd; border-radius:999px; padding:4px 10px; margin:3px; font-size:12px}
.sg-field {margin-bottom:10px}
.sg-field label {display:block; font-weight:600; margin-bottom:6px}
.sg-row {display:flex; gap:10px; align-items:center}
.sg-switch {display:flex; align-items:center; gap:6px; font-size:12px}
.sg-btn {background:#111; color:#fff; border:none; border-radius:10px; padding:10px 14px; cursor:pointer}
.sg-btn:disabled {opacity:.5; cursor:not-allowed}
.sg-qr-wrap {text-align:center}
.sg-qr-url {font-size:12px; margin-top:8px; color:#333; word-break:break-all}