/* ==========================================================================
   rotis Industrial Energy Intelligence Platform — Components (app-components.css)
   ========================================================================== */

/* Grid Layouts */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

@media (max-width: 1280px) {
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* KPI Card */
.kpi-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--brand-primary-border);
}

.kpi-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.kpi-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.kpi-icon-wrap {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.kpi-icon-wrap.blue { background: var(--brand-primary-subtle); color: var(--brand-primary); }
.kpi-icon-wrap.emerald { background: var(--status-success-subtle); color: var(--status-success); }
.kpi-icon-wrap.amber { background: var(--status-warning-subtle); color: var(--status-warning); }
.kpi-icon-wrap.cyan { background: var(--accent-cyan-subtle); color: var(--accent-cyan); }

.kpi-value-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 8px;
}

.kpi-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.kpi-unit {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
}

.kpi-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px dashed var(--border-subtle);
  font-size: 12px;
  color: var(--text-muted);
}

.kpi-trend {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 11px;
}

.kpi-trend.positive {
  background: var(--status-success-subtle);
  color: var(--status-success);
}

.kpi-trend.neutral {
  background: var(--brand-primary-subtle);
  color: var(--brand-primary);
}

.kpi-trend.warning {
  background: var(--status-warning-subtle);
  color: var(--status-warning);
}

/* ==========================================================================
   Section Blocks & Panels
   ========================================================================== */

.app-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
}

.panel-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
}

.panel-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 2-Column Dashboard Split */
.dashboard-grid-2col {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

@media (max-width: 1024px) {
  .dashboard-grid-2col {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Cold Chambers Digital Twin Cards
   ========================================================================== */

.chambers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 1024px) {
  .chambers-grid {
    grid-template-columns: 1fr;
  }
}

.chamber-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  transition: all var(--transition-fast);
}

.chamber-card:hover {
  border-color: var(--brand-primary-border);
  box-shadow: var(--shadow-md);
}

.chamber-card.standby {
  border-left: 4px solid var(--brand-primary);
}

.chamber-card.precooling {
  border-left: 4px solid var(--status-warning);
}

.chamber-card.coasting {
  border-left: 4px solid var(--status-success);
}

.chamber-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chamber-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.chamber-badge.active-precool {
  background: var(--status-warning-subtle);
  color: var(--status-warning);
  border: 1px solid var(--status-warning-border);
}

.chamber-badge.active-coasting {
  background: var(--status-success-subtle);
  color: var(--status-success);
  border: 1px solid var(--status-success-border);
}

.chamber-badge.active-freeze {
  background: var(--accent-cyan-subtle);
  color: var(--accent-cyan);
  border: 1px solid #BAE6FD;
}

.chamber-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
}

.chamber-cargo {
  font-size: 12px;
  color: var(--text-muted);
}

.chamber-temp-display {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-surface-alt);
  border-radius: var(--radius-md);
}

.temp-large {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.03em;
}

.temp-target {
  font-size: 12px;
  color: var(--text-muted);
  text-align: right;
}

/* Thermal Cold Battery Bar */
.thermal-battery-box {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.battery-label-row {
  display: flex;
  justify-content: space-between;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-muted);
}

.battery-progress-track {
  height: 8px;
  background: #E2E8F0;
  border-radius: var(--radius-full);
  overflow: hidden;
}

.battery-progress-bar {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, #0284C7, #2563EB);
  transition: width 0.5s ease;
}

.chamber-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  font-size: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.meta-label {
  color: var(--text-dim);
  font-size: 11px;
}

.meta-val {
  font-weight: 600;
  color: var(--text-main);
}

/* ==========================================================================
   3-Phase Telemetry Gauges (ASKUE)
   ========================================================================== */

.phases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 900px) {
  .phases-grid {
    grid-template-columns: 1fr;
  }
}

.phase-card {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.phase-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.phase-tag {
  font-size: 12px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.phase-tag.phase-a { background: #FEF3C7; color: #B45309; }
.phase-tag.phase-b { background: #E0E7FF; color: #4338CA; }
.phase-tag.phase-c { background: #FCE7F3; color: #BE185D; }

.phase-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.phase-metric-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
}

.phase-metric-name {
  font-size: 10.5px;
  color: var(--text-dim);
  text-transform: uppercase;
}

.phase-metric-val {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
}

/* ==========================================================================
   Chart Canvas Container
   ========================================================================== */

.chart-container {
  position: relative;
  width: 100%;
  height: 300px;
}

.chart-canvas {
  width: 100%;
  height: 100%;
}

.chart-legend {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 14px;
  font-size: 12px;
  color: var(--text-muted);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.legend-color {
  width: 12px;
  height: 4px;
  border-radius: 2px;
}

/* ==========================================================================
   Data Tables & Audit Log
   ========================================================================== */

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.app-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

.app-table th {
  padding: 12px 14px;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-surface-alt);
  letter-spacing: 0.03em;
}

.app-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-main);
  vertical-align: middle;
}

.app-table tr:hover td {
  background: #F8FAFC;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
}

.badge-success { background: var(--status-success-subtle); color: var(--status-success); }
.badge-warning { background: var(--status-warning-subtle); color: var(--status-warning); }
.badge-danger { background: var(--status-danger-subtle); color: var(--status-danger); }
.badge-info { background: var(--status-info-subtle); color: var(--status-info); }
.badge-muted { background: var(--bg-surface-alt); color: var(--text-muted); }

/* Buttons & Toggles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn-primary {
  background: var(--brand-primary);
  color: var(--text-inverse);
  box-shadow: 0 1px 2px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
  background: var(--brand-primary-hover);
}

.btn-secondary {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: var(--bg-surface-alt);
  border-color: var(--border-strong);
}

.btn-danger {
  background: var(--status-danger);
  color: var(--text-inverse);
}

.btn-danger:hover {
  background: #DC2626;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

/* Custom Switch Toggle */
.switch-control {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.switch-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.switch-slider {
  position: relative;
  width: 44px;
  height: 24px;
  background: #CBD5E1;
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
}

.switch-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  top: 3px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.switch-input:checked + .switch-slider {
  background: var(--brand-primary);
}

.switch-input:checked + .switch-slider::before {
  transform: translateX(20px);
}

/* Live Pulse Animation */
.pulse-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--status-success);
  margin-right: 6px;
  position: relative;
}

.pulse-indicator::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1.5px solid var(--status-success);
  animation: pulse-ring 2s infinite;
}