.main-tabs {
  display: flex;
  gap: 8px;
  margin: 14px 0 10px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(10, 16, 29, .72);
  overflow-x: auto;
}
.main-tab {
  flex: 0 0 auto;
  border: 0;
  border-radius: 10px;
  padding: 11px 16px;
  color: var(--muted);
  background: transparent;
  font-weight: 750;
}
.main-tab:hover { color: var(--text); background: rgba(130, 169, 255, .08); }
.main-tab.active { color: #071e1b; background: var(--accent); }
.main-panel { padding: 10px 0 26px; }
.main-panel[hidden] { display: none; }
.role-chip {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 7px 12px;
  border: 1px solid rgba(103, 216, 194, .3);
  border-radius: 999px;
  color: var(--accent);
  background: rgba(103, 216, 194, .08);
  font-size: 13px;
  font-weight: 750;
}
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 8px 0 18px; }
.panel-heading h2 { font-size: 21px; }
.panel-heading p { margin: 5px 0 0; }
.customer-tools {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(160px, 220px) auto;
  align-items: end;
  gap: 12px;
  padding: 14px;
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(18, 26, 42, .9);
}
.customer-tools > span { padding: 10px 0; font-size: 13px; }
.management-table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 14px; background: rgba(18, 26, 42, .9); }
.management-table { width: 100%; min-width: 940px; border-collapse: collapse; }
.management-table th, .management-table td { padding: 13px 12px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.management-table th { color: var(--muted); background: rgba(255, 255, 255, .025); font-size: 11px; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.management-table tr:last-child td { border-bottom: 0; }
.management-table code { overflow-wrap: anywhere; font-size: 12px; }
.status-pill { display: inline-flex; border-radius: 999px; padding: 5px 9px; font-size: 12px; font-weight: 800; white-space: nowrap; }
.status-pending { color: #f5ca78; background: rgba(245, 202, 120, .11); }
.status-assigned { color: #67d8c2; background: rgba(103, 216, 194, .11); }
.status-consumed { color: #a8b7d2; background: rgba(168, 183, 210, .1); }
.status-expired { color: #ff9e9e; background: rgba(255, 158, 158, .1); }
.owner-form { display: grid; grid-template-columns: minmax(125px, 1fr) auto; gap: 6px; min-width: 190px; }
.owner-form select { min-width: 0; padding: 7px 8px; }
.assignment-form { display: grid; grid-template-columns: minmax(180px, 1fr) auto; gap: 6px; min-width: 290px; }
.assignment-form .site-name { grid-column: 1 / -1; }
.assignment-form input { min-width: 0; padding: 8px 9px; }
.small-button { border: 1px solid rgba(103, 216, 194, .25); border-radius: 9px; padding: 8px 10px; color: #071e1b; background: var(--accent); font-size: 12px; font-weight: 800; white-space: nowrap; }
.small-button:disabled { cursor: wait; opacity: .55; }
.danger-button { color: var(--danger); background: rgba(255, 158, 158, .08); border-color: rgba(255, 158, 158, .25); }
.note { margin: 12px 4px 0; font-size: 13px; }
.collaborator-form { display: grid; grid-template-columns: minmax(180px, .8fr) minmax(220px, 1fr) minmax(310px, 1.5fr) auto; align-items: end; gap: 10px; padding: 16px; margin-bottom: 14px; border: 1px solid var(--line); border-radius: 14px; background: rgba(18, 26, 42, .9); }
.permission-options { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px 12px; min-width: 0; margin: 0; padding: 9px 11px; border: 1px solid var(--line); border-radius: 10px; }
.permission-options legend { padding: 0 5px; color: var(--muted); font-size: 12px; font-weight: 700; }
.permission-options label, .permissions-form label { display: flex; align-items: flex-start; gap: 7px; color: var(--muted); font-size: 12px; line-height: 1.35; }
.permission-options input, .permissions-form input { flex: 0 0 auto; width: auto; margin: 2px 0 0; accent-color: var(--accent); }
.permissions-form { display: grid; grid-template-columns: repeat(3, minmax(130px, 1fr)) auto; align-items: center; gap: 8px; min-width: 500px; }
.management-table td:last-child { white-space: nowrap; }
.footer-note { padding-bottom: 42px; }
@media (max-width: 980px) {
  .collaborator-form { grid-template-columns: 1fr 1fr; }
  .permission-options { grid-column: 1 / -1; }
  .customer-tools { grid-template-columns: 1fr 1fr; }
  .customer-tools > span { grid-column: 1 / -1; padding: 0; }
}
@media (max-width: 620px) {
  .topbar { align-items: flex-start; }
  .top-actions { justify-content: flex-start; }
  .role-chip { order: -1; }
  .main-tab { padding: 10px 12px; }
  .panel-heading { align-items: flex-start; }
  .customer-tools, .collaborator-form { grid-template-columns: 1fr; }
  .permission-options { grid-column: auto; grid-template-columns: 1fr; }
}