.panel-shell {
  min-height: 100vh;
  padding: 24px;
}

.panel-topbar,
.panel-main,
.admin-stats,
.panel-tabs {
  max-width: 1480px;
  margin-right: auto;
  margin-left: auto;
}

.panel-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.panel-actions,
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.file-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.file-action input {
  display: none;
}

.panel-tabs {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  margin-bottom: 16px;
  overflow-x: auto;
}

.tab-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 8px 14px;
  background: var(--surface);
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.tab-button.is-active {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.panel-main {
  display: grid;
  gap: 16px;
}

.panel-section {
  display: none;
  gap: 16px;
}

.panel-section.is-active {
  display: grid;
}

.panel-form {
  display: grid;
  gap: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  background: var(--surface);
  box-shadow: 0 8px 24px rgba(34, 39, 47, 0.08);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(180px, 1fr));
  gap: 12px;
}

.form-grid.two-col {
  grid-template-columns: repeat(2, minmax(220px, 1fr));
}

select.text-input {
  appearance: auto;
  background: #fff;
}

select[multiple].text-input {
  min-height: 130px;
}

.color-input {
  max-width: 120px;
  padding: 4px;
}

.panel-list {
  display: grid;
  gap: 8px;
}

.panel-row {
  display: grid;
  grid-template-columns: 1.4fr 160px 160px auto;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  background: var(--surface);
}

.panel-row.compact {
  grid-template-columns: 1fr 120px auto;
}

.panel-row-title {
  min-width: 0;
}

.panel-row-title strong,
.panel-row-title span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.panel-row-title span,
.panel-row-meta,
.api-note {
  color: var(--muted);
  font-size: 13px;
}

.permissions-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr));
  gap: 10px;
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
}

.permissions-grid legend {
  padding: 0 6px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

.permissions-grid label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.label-preview {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 4px 9px;
  background: color-mix(in srgb, var(--label-color) 16%, #fff);
  color: var(--label-color);
  font-size: 12px;
  font-weight: 800;
}

.row-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.api-note {
  margin: 0;
}

@media (max-width: 860px) {
  .panel-shell {
    padding: 16px;
  }

  .panel-topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .panel-actions > *,
  .form-actions > * {
    flex: 1;
  }

  .form-grid,
  .form-grid.two-col,
  .permissions-grid,
  .panel-row,
  .panel-row.compact {
    grid-template-columns: 1fr;
  }

  .row-buttons {
    justify-content: stretch;
  }

  .row-buttons > * {
    flex: 1;
  }
}