.admin-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.admin-panel {
  background: var(--panel, #1c1f24);
  color: var(--ink, #e8eaed);
  width: min(960px, 94vw);
  max-height: 88vh;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.4);
  overflow: hidden;
}

.admin-panel-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border, #2d3138);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.admin-panel-header h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}

.admin-panel-header .btn-close {
  background: transparent;
  color: var(--ink, #e8eaed);
  border: 1px solid var(--border, #2d3138);
  border-radius: 6px;
  padding: 6px 12px;
  cursor: pointer;
}

.admin-toolbar {
  padding: 12px 20px;
  border-bottom: 1px solid var(--border, #2d3138);
  display: flex;
  gap: 12px;
  align-items: center;
}

.admin-toolbar label {
  font-size: 13px;
  color: var(--muted, #9aa0a6);
}

.admin-toolbar select {
  background: var(--surfaceDeep, #15181c);
  color: var(--ink, #e8eaed);
  border: 1px solid var(--border, #2d3138);
  border-radius: 6px;
  padding: 6px 10px;
}

.admin-panel-body {
  padding: 20px;
  overflow-y: auto;
}

.admin-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}

.admin-card {
  background: var(--surfaceCard, #21242a);
  border: 1px solid var(--border, #2d3138);
  border-radius: 8px;
  padding: 10px 12px;
}

.admin-card-value {
  font-size: 20px;
  font-weight: 600;
  color: var(--accent, #6ea8fe);
  line-height: 1.2;
}

.admin-card-label {
  font-size: 11px;
  color: var(--muted, #9aa0a6);
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.admin-card-hint {
  font-size: 10px;
  color: var(--muted, #9aa0a6);
  margin-top: 4px;
  opacity: 0.7;
}

.admin-empty-card {
  padding: 16px;
  text-align: center;
  background: var(--surfaceCard, #21242a);
  border: 1px dashed var(--border, #2d3138);
  border-radius: 8px;
  color: var(--muted, #9aa0a6);
  font-size: 13px;
}

.admin-section {
  margin-top: 20px;
}

.admin-chart-wrap {
  background: var(--surface-deep, rgba(15, 23, 42, 0.4));
  border: 1px solid var(--border, rgba(148, 163, 184, 0.2));
  border-radius: 10px;
  padding: 14px 16px;
}

.admin-chart {
  width: 100% !important;
  height: 220px !important;
}

.admin-section h3 {
  margin: 0 0 10px 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted, #9aa0a6);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.admin-table th,
.admin-table td {
  padding: 8px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border, #2d3138);
}

.admin-table th {
  color: var(--muted, #9aa0a6);
  font-weight: 500;
  background: var(--surfaceDeep, #15181c);
}

.admin-table .admin-empty {
  text-align: center;
  color: var(--muted, #9aa0a6);
  padding: 16px;
}

.btn-admin {
  background: none;
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--muted);
  transition: color 0.2s, background 0.2s;
}

.btn-admin:hover {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.btn-admin[hidden] {
  display: none;
}

.admin-tabs {
  display: flex;
  gap: 4px;
  padding: 0 20px;
  border-bottom: 1px solid var(--border, #2d3138);
  background: var(--surfaceDeep, #15181c);
}

.admin-tab {
  background: transparent;
  border: none;
  color: var(--muted, #9aa0a6);
  padding: 12px 16px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.admin-tab:hover {
  color: var(--ink, #e8eaed);
}

.admin-tab.active {
  color: var(--accent, #6ea8fe);
  border-bottom-color: var(--accent, #6ea8fe);
}

.admin-intro {
  margin: 0 0 16px 0;
  color: var(--muted, #9aa0a6);
  font-size: 13px;
}

.admin-upload-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.admin-url-input {
  background: var(--surfaceDeep, #15181c);
  color: var(--ink, #e8eaed);
  border: 1px solid var(--border, #2d3138);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 13px;
  flex: 1 1 260px;
}

.admin-file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
}

.admin-file-picker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 1 1 260px;
  cursor: pointer;
  background: var(--surfaceDeep, #15181c);
  border: 1px solid var(--border, #2d3138);
  border-radius: 6px;
  padding: 4px 4px 4px 10px;
  font-size: 13px;
  min-width: 0;
}

.admin-file-picker-btn {
  background: var(--surfaceCard, #21242a);
  color: var(--ink, #e8eaed);
  border: 1px solid var(--border, #2d3138);
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  order: 2;
  white-space: nowrap;
}

.admin-file-picker:hover .admin-file-picker-btn {
  background: var(--surfaceHover, #2a2e35);
}

.admin-file-picker-name {
  color: var(--muted, #9aa0a6);
  font-size: 13px;
  order: 1;
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn-admin-action {
  background: var(--accent, #6ea8fe);
  color: var(--surfaceDeep, #15181c);
  border: none;
  border-radius: 6px;
  padding: 6px 14px;
  cursor: pointer;
  font-weight: 500;
  font-size: 13px;
}

.btn-admin-action:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.admin-upload-status {
  font-size: 12px;
  color: var(--muted, #9aa0a6);
}

.admin-source-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.admin-source-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--surfaceCard, #21242a);
  border: 1px solid var(--border, #2d3138);
  border-radius: 6px;
  font-size: 13px;
}

.admin-source-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-right: 8px;
}

.btn-admin-delete {
  background: transparent;
  color: var(--danger, #e06666);
  border: 1px solid var(--border, #2d3138);
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
  font-size: 12px;
}

.btn-admin-delete:hover:not(:disabled) {
  background: rgba(224, 102, 102, 0.12);
}

.btn-admin-delete:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}