/* ===== Admin Dashboard BigScreen ===== */

.adm-dashboard {
  animation: adm-fade-in .5s var(--ease-standard);
}

/* ── Status Bar ── */
.adm-status-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding: 6px 12px;
  background: var(--md-surface-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--md-outline-variant);
}
.adm-status-text {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-xs);
  color: var(--md-on-surface-variant);
}
.adm-status-text .material-symbols-outlined {
  font-size: 14px;
}
.adm-auto-hint {
  font-size: var(--text-xs);
  color: var(--md-on-surface-variant);
  opacity: .6;
  margin-left: auto;
}
.adm-refresh-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  color: var(--md-on-surface-variant);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--duration-fast);
}
.adm-refresh-btn:hover {
  background: var(--md-surface-4);
  color: var(--md-primary);
}
.adm-refresh-btn .material-symbols-outlined {
  font-size: 18px;
}
@keyframes adm-spin {
  to { transform: rotate(360deg); }
}
.adm-refresh-btn.spinning .material-symbols-outlined {
  animation: adm-spin .8s linear infinite;
}

@keyframes adm-fade-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Hero KPI Row ── */
.adm-hero-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.adm-kpi-card {
  background: var(--md-surface-2);
  border-radius: var(--radius-sm);
  padding: var(--space-5) var(--space-5) var(--space-4);
  position: relative;
  overflow: hidden;
  transition: transform var(--duration-fast) var(--ease-standard),
              box-shadow var(--duration-fast) var(--ease-standard);
}
.adm-kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.adm-kpi-head {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: var(--space-3);
}
.adm-kpi-head .material-symbols-outlined {
  font-size: 18px;
  color: var(--md-on-surface-variant);
}
.adm-kpi-label {
  font-size: var(--text-sm);
  color: var(--md-on-surface-variant);
  font-weight: var(--font-medium);
}

.adm-kpi-body {
  display: flex;
  align-items: flex-end;
  gap: var(--space-3);
}

.adm-kpi-value {
  font-size: 32px;
  font-weight: var(--font-bold);
  color: var(--md-on-surface);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.adm-kpi-spark {
  flex: 1;
  min-width: 60px;
  height: 36px;
}

.adm-kpi-sub {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 10px;
  font-size: var(--text-xs);
  color: var(--md-on-surface-variant);
}
.adm-kpi-sub .adm-change {
  font-weight: var(--font-medium);
}
.adm-change.up { color: var(--md-success); }
.adm-change.down { color: var(--md-error); }

/* Gauge card (satisfaction) */
.adm-kpi-card--gauge .adm-kpi-body {
  justify-content: center;
}
.adm-kpi-gauge {
  width: 100%;
  height: 110px;
}

/* Success rate mini progress */
.adm-mini-progress {
  width: 100%;
  height: 6px;
  background: var(--md-surface-4);
  border-radius: 3px;
  margin-top: 10px;
  overflow: hidden;
}
.adm-mini-progress-bar {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, #4ECDC4, #2ECC71);
  transition: width .8s var(--ease-spring);
}

/* ── Trend Charts Row ── */
.adm-trend-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  margin-bottom: var(--space-5);
}

.adm-chart-panel {
  background: var(--md-surface-2);
  border-radius: var(--radius-sm);
  padding: var(--space-5);
}

.adm-chart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}
.adm-chart-title {
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: var(--md-on-surface);
}

.adm-range-btns {
  display: flex;
  gap: 2px;
  background: var(--md-surface-3);
  border-radius: 6px;
  padding: 2px;
}
.adm-range-btn {
  border: none;
  background: transparent;
  color: var(--md-on-surface-variant);
  font-size: var(--text-xs);
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: var(--font-medium);
  transition: all var(--duration-fast);
}
.adm-range-btn.active {
  background: var(--md-primary);
  color: var(--md-on-primary);
}
.adm-range-btn:hover:not(.active) {
  background: var(--md-surface-4);
}

.adm-chart-container {
  width: 100%;
  height: 340px;
}

/* ── Detail Row (2x2 grid) ── */
.adm-detail-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.adm-detail-panel {
  background: var(--md-surface-2);
  border-radius: var(--radius-sm);
  padding: var(--space-5);
}

.adm-detail-title {
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: var(--md-on-surface);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: 6px;
}
.adm-detail-title .material-symbols-outlined {
  font-size: 18px;
  color: var(--md-on-surface-variant);
}

.adm-detail-chart {
  width: 100%;
  height: 300px;
}

/* ── Light mode: elevated cards with shadow (industry standard) ── */
.adm-kpi-card {
  background: var(--md-surface);
  border: 1px solid var(--md-outline-variant);
  box-shadow: var(--shadow-1);
}
.adm-kpi-card:hover {
  box-shadow: var(--shadow-2);
}
.adm-chart-panel,
.adm-detail-panel {
  background: var(--md-surface);
  border: 1px solid var(--md-outline-variant);
  box-shadow: var(--shadow-1);
}
.adm-status-bar {
  background: var(--md-surface);
  box-shadow: var(--shadow-1);
}
.adm-mini-progress {
  background: var(--md-surface-3);
}

/* ── Dark mode: subtle border, no shadow ── */
[data-theme="dark"] .adm-kpi-card {
  background: var(--md-surface-2);
  border-color: var(--md-outline-variant);
  box-shadow: none;
}
[data-theme="dark"] .adm-kpi-card:hover {
  box-shadow: var(--shadow-2);
}
[data-theme="dark"] .adm-chart-panel,
[data-theme="dark"] .adm-detail-panel {
  background: var(--md-surface-2);
  border-color: var(--md-outline-variant);
  box-shadow: none;
}
[data-theme="dark"] .adm-status-bar {
  background: var(--md-surface-2);
  box-shadow: none;
}
[data-theme="dark"] .adm-mini-progress {
  background: var(--md-surface-4);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .adm-hero-row { grid-template-columns: repeat(2, 1fr); }
  .adm-trend-row { grid-template-columns: 1fr; }
  .adm-detail-row { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .adm-hero-row { grid-template-columns: 1fr; }
}

/* ── Loading Skeleton ── */
.adm-loading {
  padding: var(--space-4) 0;
}
.adm-skeleton-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}
.adm-skeleton-row:last-child {
  grid-template-columns: 1fr 1fr;
}
.adm-skeleton-card {
  height: 120px;
  border-radius: var(--radius-sm);
  background: var(--md-surface-2);
  animation: adm-shimmer 1.5s ease-in-out infinite;
}
.adm-skeleton-chart {
  height: 340px;
  border-radius: var(--radius-sm);
  background: var(--md-surface-2);
  animation: adm-shimmer 1.5s ease-in-out infinite;
  animation-delay: .2s;
}
@keyframes adm-shimmer {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}

/* ── Error State ── */
.adm-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-8) 0;
  color: var(--md-on-surface-variant);
}
.adm-error-msg {
  font-size: var(--text-sm);
}
.adm-retry-btn {
  border: 1px solid var(--md-outline-variant);
  background: var(--md-surface);
  color: var(--md-primary);
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  transition: all var(--duration-fast);
}
.adm-retry-btn:hover {
  background: var(--md-surface-2);
  box-shadow: var(--shadow-1);
}

/* ── Focus-visible outlines (a11y) ── */
.adm-range-btn:focus-visible,
.adm-refresh-btn:focus-visible,
.adm-retry-btn:focus-visible,
.admin-tab:focus-visible {
  outline: 2px solid var(--md-primary);
  outline-offset: 2px;
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  .adm-dashboard,
  .adm-kpi-card,
  .adm-skeleton-card,
  .adm-skeleton-chart,
  .adm-mini-progress-bar,
  .adm-refresh-btn.spinning .material-symbols-outlined {
    animation: none !important;
    transition: none !important;
  }
}

/* ── Detail row extra spacing ── */
.adm-detail-row + .adm-detail-row {
  margin-top: var(--space-5);
}