/* ===================================================
   ARM EV DASHBOARD - STYLESHEET
   Premium dark theme with glassmorphism
   =================================================== */

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Color Palette */
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-card-hover: rgba(31, 41, 55, 0.8);
  --border-color: rgba(99, 102, 241, 0.15);
  --border-glow: rgba(99, 102, 241, 0.3);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #a78bfa);

  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.15);

  /* Transition */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Animated Background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* --- Header --- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  font-size: 22px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.logo h1 {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(31, 41, 55, 0.6);
  border-radius: 100px;
  border: 1px solid var(--border-color);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--danger);
  box-shadow: 0 0 8px var(--danger);
  transition: var(--transition);
}

.status-dot.online {
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.3); }
}

/* --- Main Grid --- */
.main-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 380px;
  grid-template-rows: auto;
  align-items: start;
  gap: 14px;
  padding: 14px 20px;
  min-height: calc(100vh - 62px);
}

/* --- Cards --- */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-color);
}

.card-header h2 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.card-body {
  padding: 10px 16px;
}

/* --- Map --- */
.map-section {
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 62px;
  height: calc(100vh - 90px);
}

.map-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

#map {
  flex: 1;
  min-height: 300px;
  background: var(--bg-secondary);
}

.map-footer {
  display: flex;
  justify-content: space-between;
  padding: 8px 16px;
  font-size: 11px;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
}

.map-controls {
  display: flex;
  gap: 6px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-sm {
  padding: 5px 8px;
  font-size: 11px;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.btn-ghost:hover {
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

/* --- Controls Section --- */
.controls-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-bottom: 20px;
}

/* --- Status Grid --- */
.status-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.stat-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

.stat-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 16px;
  flex-shrink: 0;
}

.stat-icon.parked { background: rgba(99, 102, 241, 0.15); }
.stat-icon.speed { background: rgba(245, 158, 11, 0.15); }
.stat-icon.signal { background: rgba(34, 197, 94, 0.15); }
.stat-icon.throttle { background: rgba(239, 68, 68, 0.15); }

.stat-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.stat-label {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-value {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* --- Sound Selector --- */
.sound-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 10px;
}

.sound-btn {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 6px;
  background: rgba(31, 41, 55, 0.5);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
}

.sound-btn:hover {
  border-color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.08);
  transform: translateY(-1px);
}

.sound-btn.active {
  border-color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.15);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

.sound-btn.active::after {
  content: '✓';
  position: absolute;
  top: 4px;
  right: 6px;
  font-size: 9px;
  font-weight: 900;
  color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.2);
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.sound-icon {
  font-size: 20px;
}

.sound-name {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
}

.sound-desc {
  font-size: 9px;
  color: var(--text-muted);
  font-weight: 500;
}

.current-sound {
  text-align: center;
  font-size: 11px;
  color: var(--text-secondary);
  padding: 6px 12px;
  background: rgba(99, 102, 241, 0.08);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(99, 102, 241, 0.15);
}

.current-sound strong {
  color: var(--accent-primary);
}

/* --- Alarm Control --- */
.alarm-control {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.alarm-status {
  display: flex;
  align-items: center;
  gap: 10px;
}

.alarm-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: var(--transition);
  flex-shrink: 0;
}

.alarm-indicator.active {
  background: var(--success);
  box-shadow: 0 0 12px var(--success);
  animation: pulse-dot 2s infinite;
}

.alarm-label {
  font-size: 13px;
  font-weight: 600;
  display: block;
}

.alarm-desc {
  font-size: 10px;
  color: var(--text-muted);
  display: block;
}

.alarm-info {
  font-size: 11px;
  color: var(--text-muted);
  padding: 8px 12px;
  background: rgba(34, 197, 94, 0.06);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(34, 197, 94, 0.12);
  line-height: 1.4;
}

/* Toggle Switch */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(100, 116, 139, 0.3);
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  left: 3px;
  top: 3px;
  width: 18px;
  height: 18px;
  background: white;
  border-radius: 50%;
  transition: var(--transition);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--success);
  box-shadow: 0 0 10px rgba(34, 197, 94, 0.3);
}

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

/* --- Activity Log --- */
.activity-log {
  max-height: 120px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(99, 102, 241, 0.2) transparent;
}

.activity-log::-webkit-scrollbar {
  width: 3px;
}

.activity-log::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.3);
  border-radius: 10px;
}

.log-entry {
  display: flex;
  gap: 8px;
  padding: 5px 0;
  border-bottom: 1px solid rgba(99, 102, 241, 0.06);
  font-size: 11px;
  animation: fadeInLog 0.3s ease;
}

@keyframes fadeInLog {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.log-time {
  color: var(--text-muted);
  font-weight: 600;
  white-space: nowrap;
  font-family: 'Courier New', monospace;
  font-size: 10px;
}

.log-msg {
  color: var(--text-secondary);
  line-height: 1.3;
}

/* --- Toast Notifications --- */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
  animation: slideInToast 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 320px;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--info); }

@keyframes slideInToast {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .main-grid {
    grid-template-columns: 1fr;
    height: auto;
    padding: 12px;
  }

  .map-card #map {
    min-height: 300px;
  }

  .status-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .header {
    padding: 8px 12px;
  }

  .main-grid {
    padding: 8px;
    gap: 8px;
  }

  .status-grid {
    grid-template-columns: 1fr;
  }

  .sound-selector {
    grid-template-columns: 1fr;
  }
}

/* Loading shimmer */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.loading {
  background: linear-gradient(90deg, var(--bg-card) 25%, rgba(99, 102, 241, 0.1) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}