/* ─────────────────────────────────────────────────────────
   dashboard.css  –  Dashboard & Detail page styles
   ───────────────────────────────────────────────────────── */

/* ── Shared nav ───────────────────────────────────────────── */
.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-decoration: none;
  color: var(--text-secondary);
  padding: 5px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: all 0.2s;
}
.nav-link:hover  { color: var(--text-primary); border-color: var(--border-default); }
.nav-link.active { color: var(--accent-blue);  border-color: rgba(0,200,255,0.3); background: rgba(0,200,255,0.06); }

.nav-back {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-decoration: none;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.nav-back:hover { color: var(--accent-blue); }

/* ── Dashboard main layout ────────────────────────────────── */
.dashboard-main {
  position: relative;
  z-index: 1;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: calc(100vh - 60px);
}

/* ── KPI Row ──────────────────────────────────────────────── */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

@media (max-width: 900px)  { .kpi-row { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 500px)  { .kpi-row { grid-template-columns: repeat(2, 1fr); } }

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--sensor-color, var(--accent-blue));
  opacity: 0.7;
}
.kpi-card:hover {
  border-color: var(--sensor-color, var(--accent-blue));
  box-shadow: 0 0 16px color-mix(in srgb, var(--sensor-color, var(--accent-blue)) 20%, transparent);
  transform: translateY(-1px);
}

.kpi-label {
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}
.kpi-value {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.kpi-unit {
  font-family: var(--font-display);
  font-size: 10px;
  color: var(--sensor-color, var(--accent-blue));
  letter-spacing: 0.08em;
}

/* ── Chart Grid ───────────────────────────────────────────── */
.chart-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

@media (max-width: 1100px) { .chart-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 750px)  { .chart-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px)  { .chart-grid { grid-template-columns: 1fr; } }

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.chart-card:hover {
  border-color: var(--sensor-color, var(--accent-blue));
  box-shadow: 0 0 16px color-mix(in srgb, var(--sensor-color, var(--accent-blue)) 15%, transparent);
  transform: translateY(-1px);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}
.card-title {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.card-current-val {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.card-canvas-wrap {
  height: 60px;
  position: relative;
  /* Negative margins so sparkline bleeds to card edges */
  margin-left: -12px;
  margin-right: -12px;
  overflow: hidden;
}
.card-canvas-wrap canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}
.card-footer {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-display);
  font-size: 9px;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}
.card-link-btn {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-decoration: none;
  color: var(--accent-blue);
  padding: 3px 10px;
  border: 1px solid rgba(0,200,255,0.3);
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}
.card-link-btn:hover { background: rgba(0,200,255,0.08); }

/* ── Mini Cells Card ──────────────────────────────────────── */
.mini-cells-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mini-cell-grid {
  display: grid;
  grid-template-columns: repeat(27, 1fr);
  gap: 3px;
}
@media (max-width: 900px)  { .mini-cell-grid { grid-template-columns: repeat(18, 1fr); } }
@media (max-width: 600px)  { .mini-cell-grid { grid-template-columns: repeat(12, 1fr); } }

.mini-cell {
  aspect-ratio: 1;
  border-radius: 3px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  transition: all 0.3s;
  cursor: default;
}
.mini-cell span { pointer-events: none; }
.mini-cell.mc-max  { background: rgba(0,200,255,0.12);  border-color: rgba(0,200,255,0.6); }
.mini-cell.mc-min  { background: rgba(180,200,255,0.08); border-color: rgba(180,200,255,0.4); }
.mini-cell.mc-warn { background: rgba(245,158,11,0.12); border-color: rgba(245,158,11,0.5); }
.mini-cell.mc-crit { background: rgba(255,59,92,0.15);  border-color: rgba(255,59,92,0.7); animation: pulse-crit 1.5s ease-in-out infinite; }

@keyframes pulse-crit {
  0%,100% { box-shadow: none; }
  50%      { box-shadow: 0 0 6px rgba(255,59,92,0.5); }
}

/* ── Detail page layout ───────────────────────────────────── */
.detail-main {
  position: relative;
  z-index: 1;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: calc(100vh - 60px);
}

.detail-toolbar {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.detail-title-block {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 180px;
}
.detail-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  margin: 0;
}
.detail-unit {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
}

/* Time range buttons */
.time-range-btns {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.range-btn {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-default);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}
.range-btn:hover  { border-color: var(--accent-blue); color: var(--accent-blue); }
.range-btn.active { border-color: var(--accent-blue); color: var(--accent-blue); background: rgba(0,200,255,0.08); }

/* Overlay selector */
.overlay-section {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.overlay-label {
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  white-space: nowrap;
}
.overlay-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.overlay-chip {
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid var(--border-default);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}
.overlay-chip:hover  { border-color: var(--chip-color); color: var(--chip-color); }
.overlay-chip.active {
  border-color: var(--chip-color);
  color: var(--chip-color);
  background: color-mix(in srgb, var(--chip-color) 12%, transparent);
}

/* Tooltip */
.detail-tooltip {
  position: absolute;
  top: 80px;
  left: 80px;
  background: rgba(13, 19, 32, 0.95);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
  z-index: 10;
  min-width: 180px;
  backdrop-filter: blur(8px);
}
.tooltip-time {
  font-family: var(--font-display);
  font-size: 9px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.tooltip-values {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
}
.tooltip-values b { color: var(--text-primary); }

/* Chart area */
.detail-chart-wrap {
  flex: 1;
  min-height: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}
.detail-chart-wrap canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* Legend */
.detail-legend {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  padding: 4px 0;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}
.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.legend-label {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}
.legend-unit {
  font-family: var(--font-mono);
  font-size: 9px;
}

/* ── Contactor status row ────────────────────────────────── */
.contactor-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
@media (max-width: 400px) {
  .contactor-row { grid-template-columns: 1fr; }
}

.contactor-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
  overflow: hidden;
}
.contactor-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--sensor-color, #4ade80);
  opacity: 0.6;
}

.contactor-label {
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--text-dim);
}

.contactor-status {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  flex: 1;
}

.contactor-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-default);
  transition: background 0.3s, box-shadow 0.3s;
}
.contactor-dot.dot-closed {
  background: #4ade80;
  box-shadow: 0 0 8px rgba(74,222,128,0.5);
}
.contactor-dot.dot-open {
  background: #ff3b5c;
  box-shadow: 0 0 8px rgba(255,59,92,0.4);
}
.contactor-dot.dot-eco {
  background: #f59e0b;
  box-shadow: 0 0 8px rgba(245,158,11,0.4);
}

/* ── Mini bar chart (cell monitor on dashboard) ──────────── */
.mini-cells-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mini-bar-wrap {
  height: 64px;
  position: relative;
  width: 100%;
}
.mini-bar-wrap canvas {
  display: block;
}

/* Ensure canvas wrap has explicit pixel size so ResizeObserver fires correctly */
.card-canvas-wrap {
  contain: strict;
}

@media (max-width: 600px) {
  .dashboard-main { padding: 10px; gap: 10px; }
  .chart-grid { grid-template-columns: 1fr; gap: 8px; }
  .kpi-row    { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .contactor-card { padding: 12px 16px; }
  .contactor-status { font-size: 14px; }
  .mini-bar-wrap { height: 50px; }
}