/* Battery 360 Showcase — Core styles */

:root {
  --dv-amber:       #f59e0b;
  --dv-amber-glow:  #fbbf24;
  --dv-green:       #10b981;
  --dv-red:         #ef4444;
  --dv-blue:        #3b82f6;
  --dv-bg:          #0a0a0f;
  --dv-surface:     #13131a;
  --dv-surface-2:   #1c1c28;
  --dv-border:      #2a2a3a;
  --dv-text:        #e2e8f0;
  --dv-text-muted:  #94a3b8;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: var(--dv-bg);
  color: var(--dv-text);
  font-family: 'Inter', system-ui, sans-serif;
  overflow: hidden;
}

/* ── Screen carousel ─────────────────────────────────────────────── */

#screen-container {
  width: 100vw;
  height: 100vh;
  position: relative;
}

.screen {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  padding: 2rem;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.screen.active {
  display: flex;
  opacity: 1;
}

/* ── Screen header shared ────────────────────────────────────────── */

.screen-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--dv-border);
  padding-bottom: 1rem;
}

.screen-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--dv-amber);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.dv-logo {
  font-size: 1rem;
  font-weight: 600;
  color: var(--dv-text-muted);
}

.dv-logo span { color: var(--dv-amber); }

/* ── Vehicle cards ───────────────────────────────────────────────── */

#fleet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  overflow-y: auto;
  flex: 1;
}

.vehicle-card {
  background: var(--dv-surface);
  border: 1px solid var(--dv-border);
  border-radius: 12px;
  padding: 1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  position: relative;
}

.vehicle-card.anomaly {
  border-color: var(--dv-amber);
  box-shadow: 0 0 18px rgba(245, 158, 11, 0.25);
}

.vehicle-card__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dv-text-muted);
  margin-bottom: 0.6rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.vehicle-card__soc-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  align-items: baseline;
}

.soc-val {
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1;
}

.soc-val.bms  { color: var(--dv-text); }
.soc-val.ekf  { color: var(--dv-blue); }
.soc-val.diverge { color: var(--dv-amber); }

.soc-label {
  font-size: 0.65rem;
  color: var(--dv-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.soh-bar-wrap { margin-top: 0.5rem; }

.soh-bar-bg {
  height: 6px;
  background: var(--dv-surface-2);
  border-radius: 3px;
  overflow: hidden;
}

.soh-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--dv-green);
  transition: width 0.5s ease;
}

.soh-bar-fill.warn  { background: var(--dv-amber); }
.soh-bar-fill.crit  { background: var(--dv-red); }

.soh-val {
  font-size: 0.7rem;
  color: var(--dv-text-muted);
  margin-top: 0.2rem;
}

/* Skeleton loader */
.skeleton {
  background: linear-gradient(90deg, var(--dv-surface-2) 25%, var(--dv-surface) 50%, var(--dv-surface-2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: 4px;
}

/* ── Summary bar ──────────────────────────────────────────────────── */

#summary-bar {
  display: flex;
  gap: 2rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--dv-border);
  margin-top: 1rem;
}

.summary-stat { display: flex; flex-direction: column; }
.summary-stat__val { font-size: 1.4rem; font-weight: 700; color: var(--dv-amber); }
.summary-stat__lbl { font-size: 0.65rem; color: var(--dv-text-muted); text-transform: uppercase; letter-spacing: 0.05em; }

/* ── Anomaly ticker ───────────────────────────────────────────────── */

#ticker-wrap {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2.2rem;
  background: rgba(10, 10, 15, 0.92);
  border-top: 1px solid var(--dv-border);
  overflow: hidden;
  z-index: 100;
}

#ticker-track {
  display: flex;
  align-items: center;
  height: 100%;
  white-space: nowrap;
  will-change: transform;
}

.ticker-item {
  padding: 0 2.5rem;
  font-size: 0.78rem;
  color: var(--dv-text-muted);
}

.ticker-item.alert { color: var(--dv-amber); }
.ticker-sep { color: var(--dv-border); }

/* ── Map ──────────────────────────────────────────────────────────── */

#fleet-map {
  flex: 1;
  border-radius: 12px;
  overflow: hidden;
  min-height: 0;
}

/* Leaflet dark override */
.leaflet-tile { filter: brightness(0.7) invert(0.85) hue-rotate(180deg); }
.leaflet-container { background: var(--dv-bg); }

/* ── GBOS screen ──────────────────────────────────────────────────── */

#gbos-svg-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 0;
}

#india-svg {
  max-height: 100%;
  max-width: 100%;
  fill: var(--dv-surface-2);
  stroke: var(--dv-border);
  stroke-width: 0.3;
}

.vehicle-node {
  fill: var(--dv-amber);
  opacity: 0.9;
  filter: drop-shadow(0 0 4px var(--dv-amber));
}

/* ── Second Life + Talk To Us ─────────────────────────────────────── */

.static-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  text-align: center;
  gap: 1.5rem;
}

.stat-block {
  background: var(--dv-surface);
  border: 1px solid var(--dv-border);
  border-radius: 12px;
  padding: 1.5rem 2.5rem;
  min-width: 160px;
}

.stat-block__val {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--dv-amber);
  line-height: 1;
}

.stat-block__lbl {
  font-size: 0.7rem;
  color: var(--dv-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.3rem;
}

.qr-wrap {
  background: #fff;
  padding: 1.2rem;
  border-radius: 12px;
  display: inline-block;
}

.qr-wrap img { display: block; width: 180px; height: 180px; }

/* ── Screen indicator dots ────────────────────────────────────────── */

#screen-dots {
  position: fixed;
  bottom: 2.6rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 99;
}

.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--dv-border);
  transition: background 0.3s ease;
}

.dot.active { background: var(--dv-amber); }

/* ── Offline badge ────────────────────────────────────────────────── */

#offline-badge {
  position: fixed;
  top: 0.5rem;
  right: 0.75rem;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid var(--dv-amber);
  color: var(--dv-amber);
  font-size: 0.65rem;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  z-index: 200;
}

/* ── Pause indicator ──────────────────────────────────────────────── */

#pause-indicator {
  position: fixed;
  top: 0.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid var(--dv-amber);
  color: var(--dv-amber);
  font-size: 0.7rem;
  padding: 0.2rem 0.8rem;
  border-radius: 20px;
  z-index: 200;
  opacity: 0;
  transition: opacity 0.3s ease;
}

#pause-indicator.visible { opacity: 1; }