/* Sukatutor Billing UI - lightweight, scoped */
.st-wrap { max-width: 980px; margin: 0 auto; padding: 16px; }
.st-card { background: #fff; border: 1px solid rgba(0,0,0,.08); border-radius: 14px; padding: 16px; box-shadow: 0 8px 24px rgba(0,0,0,.04); }
.st-card + .st-card { margin-top: 14px; }
.st-app { max-width: 1100px; margin: 0 auto; padding: 16px; }
.st-row { display: flex; gap: 12px; flex-wrap: wrap; }
.st-col { flex: 1 1 260px; min-width: 240px; }
.st-h { display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap; margin-bottom: 12px; }
.st-h h2, .st-h h3 { margin: 0; }
.st-btn { display:inline-flex; align-items:center; justify-content:center; padding: 10px 14px; border-radius: 12px; border: 1px solid rgba(0,0,0,.12); background: #111; color: #fff; text-decoration:none; font-weight: 600; }
.st-btn:active { transform: translateY(1px); }
.st-btn-secondary { background: #fff; color:#111; }
.st-btn-google { background: #0b57d0; border-color: rgba(0,0,0,.08); }
.st-link { color:#0b57d0; text-decoration:none; }
.st-muted { color: rgba(0,0,0,.55); font-size: 13px; }
.st-success { background: rgba(0,128,0,.08); border: 1px solid rgba(0,128,0,.15); padding: 10px 12px; border-radius: 12px; }
.st-warn { background: rgba(255,165,0,.10); border: 1px solid rgba(255,165,0,.20); padding: 10px 12px; border-radius: 12px; }
.st-bad { background: rgba(220,0,0,.08); border: 1px solid rgba(220,0,0,.16); padding: 10px 12px; border-radius: 12px; }
.st-table { width: 100%; border-collapse: collapse; overflow:hidden; border-radius: 12px; border: 1px solid rgba(0,0,0,.08); }
.st-table th, .st-table td { padding: 10px; border-bottom: 1px solid rgba(0,0,0,.06); text-align:left; font-size: 14px; }
.st-table th { background: rgba(0,0,0,.03); font-weight: 700; }
.st-badge { display:inline-flex; padding: 4px 10px; border-radius: 999px; border: 1px solid rgba(0,0,0,.12); font-size: 12px; }
.st-badge.paid { background: rgba(0,128,0,.08); border-color: rgba(0,128,0,.18); }
.st-badge.pending { background: rgba(255,165,0,.10); border-color: rgba(255,165,0,.22); }
.st-badge.waitlist { background: rgba(0,0,0,.04); }
.st-form { display:grid; gap: 10px; }
.st-form label { font-size: 13px; color: rgba(0,0,0,.75); }
.st-form input, .st-form select, .st-form textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,.14);
  background: #fff;
  outline: none;
  font-size: 14px;
}
.st-form textarea { min-height: 72px; }
.st-actions { display:flex; gap: 10px; flex-wrap: wrap; }
.st-divider { height: 1px; background: rgba(0,0,0,.08); margin: 12px 0; }
.st-grid2 { display:grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 720px){
  .st-grid2 { grid-template-columns: 1fr; }
  .st-table th, .st-table td { font-size: 13px; padding: 8px; }
}