/* ─────────────────────────────────────────────────────────────────────────
   Cyberfleet Dashboard — Dark Fleet Theme
   ───────────────────────────────────────────────────────────────────────── */

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

:root {
  --bg:          #0d0f1e;
  --header-bg:   #080a18;
  --sidebar-bg:  #10122a;
  --card-bg:     #181a33;
  --card-hover:  #1e2040;
  --border:      #252848;
  --border-light:#2e3260;
  --text:        #dde0f0;
  --text-dim:    #7880a8;
  --text-muted:  #4a5080;
  --accent:      #4f8ef7;
  --accent-dim:  rgba(79,142,247,0.15);
  --online:      #22c55e;
  --online-dim:  rgba(34,197,94,0.15);
  --offline:     #4b5563;
  --danger:      #ef4444;
  --font:        'Inter', system-ui, -apple-system, sans-serif;
  --radius:      8px;
  --transition:  0.15s ease;
}

html, body { height: 100%; overflow: hidden; }
body { font-family: var(--font); background: var(--bg); color: var(--text); }

/* ── Layout ────────────────────────────────────────────────────────────────── */
.app  { display: flex; flex-direction: column; height: 100vh; }
.main { display: flex; flex: 1; overflow: hidden; }

/* ── Header ────────────────────────────────────────────────────────────────── */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 64px;
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  z-index: 100;
}

.header-brand { display: flex; align-items: center; gap: 10px; }

.sidebar-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 36px;
  height: 36px;
  margin-right: 2px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg);
  color: var(--text);
  cursor: pointer;
  flex-shrink: 0;
}

.sidebar-toggle-bar {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 1px;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}

.app.sidebar-open .sidebar-toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.app.sidebar-open .sidebar-toggle-bar:nth-child(2) { opacity: 0; }
.app.sidebar-open .sidebar-toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.sidebar-backdrop {
  display: none;
}

.brand-logo {
  width: 180px;
  height: 36px;
  object-fit: cover;
  object-position: center;
  flex-shrink: 0;
}

.brand-name {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--text);
}

.header-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-dim);
}

.logout-button {
  margin-left: 8px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--text-dim);
  font: inherit;
  font-size: 11px;
  cursor: pointer;
}
.logout-button:hover { color: var(--text); border-color: var(--border-light); }

.divider { color: var(--border-light); }

@media (max-width: 600px) {
  .header { padding: 0 12px; }
  .brand-logo { width: 140px; height: 30px; }
  .brand-name { display: none; }
  .header-status { gap: 6px; font-size: 11px; }
  .last-updated, .divider { display: none; }
  .logout-button { margin-left: 4px; padding: 5px 7px; font-size: 10px; }
}

/* Phone / small tablet: hide fleet list so the map is full-width */
@media (max-width: 768px) {
  .sidebar-toggle { display: flex; }

  .main { position: relative; }

  .sidebar {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 40;
    width: min(285px, 86vw);
    min-width: min(285px, 86vw);
    transform: translateX(-100%);
    box-shadow: 8px 0 28px rgba(0, 0, 0, 0.45);
  }

  .app.sidebar-open .sidebar { transform: translateX(0); }

  .sidebar-backdrop {
    display: block;
    position: absolute;
    inset: 0;
    z-index: 30;
    background: rgba(8, 10, 24, 0.55);
    border: 0;
    padding: 0;
    cursor: pointer;
  }

  .sidebar-backdrop[hidden] { display: none; }
}

/* Live indicator dot */
.live-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--offline);
  flex-shrink: 0;
  transition: background var(--transition);
}
.live-dot.connected {
  background: var(--online);
  box-shadow: 0 0 8px var(--online);
  animation: pulse-dot 2s infinite;
}
.live-dot.error { background: var(--danger); }

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* ── Sidebar ───────────────────────────────────────────────────────────────── */
.sidebar {
  width: 285px;
  min-width: 285px;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.22s ease, width 0.22s ease, min-width 0.22s ease;
}

.sidebar-header {
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.sidebar-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--text-dim);
}

.device-count {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 2px 8px;
  border-radius: 20px;
}

.device-list {
  flex: 1;
  overflow-y: auto;
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.device-list::-webkit-scrollbar { width: 3px; }
.device-list::-webkit-scrollbar-track { background: transparent; }
.device-list::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 2px; }

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 13px;
  padding: 50px 20px;
  text-align: center;
}
.empty-icon { font-size: 28px; opacity: 0.5; }

.sidebar-footer {
  padding: 10px 16px;
  font-size: 11px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.sidebar-footer a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}
.sidebar-footer a:hover { text-decoration: underline; }

/* ── Device Cards ──────────────────────────────────────────────────────────── */
.device-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 13px;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  border-left: 3px solid var(--offline);
}

.device-card:hover {
  background: var(--card-hover);
  border-color: var(--border-light);
  transform: translateX(3px);
}

.device-card.online  { border-left-color: var(--online); }
.device-card.offline { border-left-color: var(--offline); opacity: 0.65; }

.card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.card-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.card-dot.online  { background: var(--online); box-shadow: 0 0 5px var(--online); }
.card-dot.offline { background: var(--offline); }

.card-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-badge {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.8px;
  padding: 2px 7px;
  border-radius: 4px;
  flex-shrink: 0;
}
.badge-online  { background: var(--online-dim);  color: var(--online); }
.badge-offline { background: rgba(75,85,99,0.2); color: var(--offline); }

.card-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.card-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-dim);
}
.card-icon { font-size: 11px; width: 14px; text-align: center; flex-shrink: 0; }

/* ── Map ───────────────────────────────────────────────────────────────────── */
.map-container { flex: 1; position: relative; overflow: hidden; }
#map { position: absolute; inset: 0; }

/* ── Map overlay (device detail panel) ────────────────────────────────────── */
.map-overlay {
  position: absolute;
  bottom: 32px;
  right: 16px;
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 16px;
  min-width: 220px;
  max-width: 280px;
  z-index: 10;
  box-shadow: 0 8px 40px rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
}

.overlay-close {
  position: absolute;
  top: 10px; right: 12px;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1;
  transition: color var(--transition);
}
.overlay-close:hover { color: var(--text); }

/* ── Mapbox custom popup ───────────────────────────────────────────────────── */
.cf-popup .mapboxgl-popup-content {
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 0;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.55);
  min-width: 210px;
  color: var(--text);
  font-family: var(--font);
}

.cf-popup .mapboxgl-popup-close-button {
  color: var(--text-muted);
  font-size: 16px;
  padding: 4px 8px;
}
.cf-popup .mapboxgl-popup-close-button:hover { color: var(--text); background: transparent; }

.cf-popup .mapboxgl-popup-tip { border-top-color: var(--border-light) !important; }

.popup-body { padding: 14px; }

.popup-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.popup-header strong { font-size: 14px; font-weight: 600; color: var(--text); }

.popup-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.popup-dot.online  { background: var(--online); box-shadow: 0 0 6px var(--online); }
.popup-dot.offline { background: var(--offline); }

.popup-grid {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 5px 8px;
  font-size: 12px;
  color: var(--text-dim);
}

/* ── Custom map markers ────────────────────────────────────────────────────── */
.marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
}

.marker-pin {
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 2.5px solid rgba(255,255,255,0.9);
  transition: transform var(--transition);
  position: relative;
}

.marker:hover .marker-pin { transform: scale(1.35); }

.marker-online  .marker-pin { background: var(--online); box-shadow: 0 0 10px var(--online), 0 0 20px rgba(34,197,94,0.3); }
.marker-offline .marker-pin { background: var(--offline); }

/* Pulse ring for online markers */
.marker-online .marker-pin::after {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 2px solid var(--online);
  opacity: 0;
  animation: ring-pulse 2.5s infinite;
}

@keyframes ring-pulse {
  0%   { transform: scale(0.8); opacity: 0.8; }
  100% { transform: scale(2);   opacity: 0; }
}

.marker-label {
  margin-bottom: 4px;
  font-size: 10px;
  font-weight: 600;
  color: #fff;
  background: rgba(13, 15, 30, 0.8);
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
  backdrop-filter: blur(4px);
  border: 1px solid var(--border);
  pointer-events: none;
}

/* ── Mapbox attribution override (keep it subtle) ──────────────────────────── */
.mapboxgl-ctrl-attrib { opacity: 0.5; font-size: 10px; }
.mapboxgl-ctrl-attrib:hover { opacity: 1; }