/* ═══════════════════════════════════════════════════════════
   OpenBanner — Dashboard Styles
   ═══════════════════════════════════════════════════════════ */

.dashboard {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
  padding: var(--ob-space-6);
  gap: var(--ob-space-6);
  background: var(--ob-bg-deep);
}

/* ── Metric Cards Grid ── */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--ob-space-4);
}

.metric-card {
  background: var(--ob-gradient-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--ob-border-default);
  border-radius: var(--ob-radius-lg);
  padding: var(--ob-space-5);
  display: flex;
  flex-direction: column;
  gap: var(--ob-space-2);
  transition: border-color var(--ob-duration-normal),
              box-shadow var(--ob-duration-normal);
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  opacity: 0;
  transition: opacity var(--ob-duration-normal);
}

.metric-card:hover {
  border-color: var(--ob-border-strong);
}

.metric-card:hover::before {
  opacity: 1;
}

.metric-card--cyan::before { background: var(--ob-gradient-cyan); }
.metric-card--magenta::before { background: var(--ob-gradient-brand); }
.metric-card--green::before { background: linear-gradient(90deg, var(--ob-accent-green), #00c853); }
.metric-card--amber::before { background: linear-gradient(90deg, var(--ob-accent-amber), #ff6d00); }
.metric-card--red::before { background: linear-gradient(90deg, var(--ob-accent-red), #d50000); }

.metric-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.metric-card__label {
  font-size: var(--ob-text-xs);
  font-weight: var(--ob-weight-medium);
  color: var(--ob-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.metric-card__icon {
  font-size: var(--ob-text-lg);
  opacity: 0.5;
}

.metric-card__value {
  font-size: var(--ob-text-3xl);
  font-weight: var(--ob-weight-bold);
  letter-spacing: -0.02em;
  line-height: 1;
  font-family: var(--ob-font-mono);
}

.metric-card__value--cyan { color: var(--ob-accent-cyan); }
.metric-card__value--magenta { color: var(--ob-accent-magenta); }
.metric-card__value--green { color: var(--ob-accent-green); }
.metric-card__value--amber { color: var(--ob-accent-amber); }
.metric-card__value--red { color: var(--ob-accent-red); }

.metric-card__sub {
  font-size: var(--ob-text-xs);
  color: var(--ob-text-tertiary);
}

/* -- Sparkline -- */
.sparkline {
  width: 100%;
  height: 32px;
  margin-top: var(--ob-space-2);
}

.sparkline__bar {
  display: inline-block;
  width: 4px;
  margin-right: 2px;
  border-radius: 2px;
  vertical-align: bottom;
  transition: height var(--ob-duration-normal) var(--ob-ease-default);
  min-height: 2px;
}

.sparkline__bar--cyan { background: var(--ob-accent-cyan); opacity: 0.7; }
.sparkline__bar--magenta { background: var(--ob-accent-magenta); opacity: 0.7; }
.sparkline__bar--green { background: var(--ob-accent-green); opacity: 0.7; }

/* ── Section Headers ── */
.dashboard__section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dashboard__section-title {
  font-size: var(--ob-text-lg);
  font-weight: var(--ob-weight-semi);
  color: var(--ob-text-primary);
}

.dashboard__section-subtitle {
  font-size: var(--ob-text-xs);
  color: var(--ob-text-tertiary);
}

/* ── Health Status ── */
.health-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--ob-space-4);
}

.health-card {
  background: var(--ob-bg-surface);
  border: 1px solid var(--ob-border-default);
  border-radius: var(--ob-radius-lg);
  padding: var(--ob-space-5);
  display: flex;
  align-items: center;
  gap: var(--ob-space-4);
}

.health-card__indicator {
  width: 48px;
  height: 48px;
  border-radius: var(--ob-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--ob-text-xl);
  flex-shrink: 0;
}

.health-card__indicator--ok {
  background: rgba(0, 230, 118, 0.10);
  color: var(--ob-accent-green);
  box-shadow: 0 0 12px rgba(0, 230, 118, 0.08);
}

.health-card__indicator--error {
  background: rgba(255, 23, 68, 0.10);
  color: var(--ob-accent-red);
}

.health-card__indicator--unknown {
  background: rgba(255, 171, 0, 0.10);
  color: var(--ob-accent-amber);
}

.health-card__info {
  flex: 1;
}

.health-card__name {
  font-size: var(--ob-text-md);
  font-weight: var(--ob-weight-medium);
}

.health-card__detail {
  font-size: var(--ob-text-xs);
  color: var(--ob-text-tertiary);
  margin-top: 2px;
}

/* ── Recent Renders Gallery ── */
.renders-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--ob-space-4);
}

.render-card {
  background: var(--ob-bg-surface);
  border: 1px solid var(--ob-border-default);
  border-radius: var(--ob-radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--ob-duration-normal) var(--ob-ease-default);
}

.render-card:hover {
  border-color: var(--ob-border-strong);
  transform: translateY(-2px);
  box-shadow: var(--ob-shadow-lg);
}

.render-card__preview {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  background: var(--ob-bg-base);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--ob-border-subtle);
}

.render-card__preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.render-card__meta {
  padding: var(--ob-space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.render-card__time {
  font-size: var(--ob-text-xs);
  color: var(--ob-text-tertiary);
}

.render-card__size {
  font-size: var(--ob-text-xs);
  color: var(--ob-text-tertiary);
  font-family: var(--ob-font-mono);
}

.render-card__actions {
  display: flex;
  gap: var(--ob-space-1);
  opacity: 0;
  transition: opacity var(--ob-duration-fast);
}

.render-card:hover .render-card__actions { opacity: 1; }

/* ── Empty States ── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--ob-space-12);
  text-align: center;
  color: var(--ob-text-tertiary);
  gap: var(--ob-space-3);
}

.empty-state__icon {
  font-size: 3rem;
  opacity: 0.2;
}

.empty-state__text {
  font-size: var(--ob-text-sm);
  max-width: 300px;
  line-height: var(--ob-leading-normal);
}