:root {
  --bg-primary: #0a0d14;
  --bg-surface: #111723;
  --bg-card: #172030;
  --bg-hover: #1f2b40;
  --accent-cyan: #00f2fe;
  --accent-blue: #4facfe;
  --accent-emerald: #10b981;
  --accent-red: #ef4444;
  --accent-amber: #f59e0b;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 242, 254, 0.3);
  --font-display: 'Rajdhani', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  overflow-x: hidden;
  min-height: 100vh;
}

.hidden {
  display: none !important;
}

/* ==========================================================
   AUTHENTICATION MODAL
========================================================== */
.auth-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at center, #131c2e 0%, #06090e 100%);
  z-index: 9999;
  padding: 20px;
}

.auth-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-glow);
  box-shadow: 0 0 50px rgba(0, 242, 254, 0.15);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  width: 100%;
  max-width: 440px;
  text-align: center;
}

.auth-badge {
  display: inline-block;
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.auth-card h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 6px;
  color: #fff;
}

.auth-sub {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.input-group {
  text-align: left;
  margin-bottom: 18px;
}

.input-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}

.input-group input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-size: 15px;
  color: #fff;
  font-family: var(--font-mono);
  outline: none;
  transition: all 0.2s;
}

.input-group input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(0, 242, 254, 0.2);
}

.auth-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid var(--accent-red);
  color: #fca5a5;
  font-size: 13px;
  padding: 10px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

.auth-footer {
  margin-top: 20px;
  font-size: 11px;
  color: var(--text-muted);
}

/* ==========================================================
   BUTTONS
========================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-block {
  width: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
  color: #031322;
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 242, 254, 0.4);
}

.btn-action {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 12px 18px;
  text-align: left;
}

.btn-action:hover {
  border-color: var(--accent-cyan);
  background: var(--bg-hover);
}

.btn-danger-action {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fca5a5;
  padding: 12px 18px;
  text-align: left;
}

.btn-danger-action:hover {
  background: rgba(239, 68, 68, 0.25);
  border-color: var(--accent-red);
}

.btn-danger-action.active-recording {
  animation: pulse-danger 1.5s infinite;
  background: rgba(239, 68, 68, 0.35);
  border-color: var(--accent-red);
}

@keyframes pulse-danger {
  0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.5); }
  70% { box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

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

.btn-outline:hover {
  border-color: var(--text-primary);
  color: #fff;
}

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

/* ==========================================================
   APP CONTAINER & NAVIGATION
========================================================== */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 12px;
}

.nav-left .vehicle-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.1);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 242, 254, 0.2);
}

.vehicle-info {
  display: flex;
  flex-direction: column;
}

.model-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 1px;
}

.platform-badge {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.telemetry-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.telemetry-pill {
  background: var(--bg-card);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border-color);
}

.telemetry-pill .label {
  color: var(--text-muted);
  font-size: 11px;
}

.telemetry-pill strong {
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

.indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.live-indicator {
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: blink 2s infinite;
}

.offline-indicator {
  background: var(--accent-red);
  box-shadow: 0 0 6px rgba(239, 68, 68, 0.6);
}

.record-dot {
  width: 10px;
  height: 10px;
  background: var(--accent-red);
  border-radius: 50%;
  display: inline-block;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

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

.user-pill {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg-card);
  padding: 6px 12px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
}

/* ==========================================================
   ACTION DOCK
========================================================== */
.control-dock {
  background: var(--bg-primary);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  border-bottom: 1px solid var(--border-color);
}

.dock-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.btn-text small {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
}

.dock-status {
  font-size: 13px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  background: var(--bg-surface);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

/* ==========================================================
   COCKPIT GRID (CAMERAS & MEDIA STORAGE)
========================================================== */
.cockpit-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 20px;
  padding: 20px 24px;
  flex: 1;
}

@media (max-width: 1100px) {
  .cockpit-grid {
    grid-template-columns: 1fr;
  }
}

.panel {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel-header {
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.panel-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.camera-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.cam-tab {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 4px 10px;
  font-size: 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.cam-tab.active, .cam-tab:hover {
  background: var(--accent-cyan);
  color: #061320;
  font-weight: 600;
}

/* ==========================================================
   CAMERA MATRIX CARDS
========================================================== */
.camera-matrix {
  padding: 16px;
  display: grid;
  gap: 14px;
  overflow-y: auto;
  max-height: 720px;
}

.camera-matrix.grid-layout {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.camera-matrix.single-layout {
  grid-template-columns: 1fr;
}

.camera-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.2s;
}

.camera-card:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.cam-viewport {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.cam-viewport svg, .cam-viewport img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cam-hud-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.3);
}

.cam-rec-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(239, 68, 68, 0.85);
  color: #fff;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}

.cam-info-footer {
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.2);
}

.cam-title {
  font-size: 13px;
  font-weight: 600;
}

.cam-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.cam-snap-btn {
  background: rgba(0, 242, 254, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.3);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
}

.cam-snap-btn:hover {
  background: var(--accent-cyan);
  color: #04101d;
}

/* ==========================================================
   STORAGE MEDIA LIST
========================================================== */
.storage-toolbar {
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.1);
  flex-wrap: wrap;
  gap: 10px;
}

.filter-group {
  display: flex;
  gap: 6px;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 4px 10px;
  font-size: 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.filter-btn.active, .filter-btn:hover {
  background: var(--bg-hover);
  color: #fff;
  border-color: var(--accent-cyan);
}

.badge {
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 12px;
}

.files-list {
  padding: 14px 20px;
  overflow-y: auto;
  max-height: 660px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.file-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: all 0.2s;
}

.file-item:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background: var(--bg-hover);
}

.file-main {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.file-icon {
  font-size: 24px;
}

.file-meta-col {
  min-width: 0;
}

.file-name {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 240px;
}

.file-sub {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 2px;
}

.location-badge {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  font-weight: 600;
}

.location-card {
  background: rgba(16, 185, 129, 0.15);
  color: #6ee7b7;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.location-site {
  background: rgba(59, 130, 246, 0.15);
  color: #93c5fd;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.file-actions {
  display: flex;
  gap: 6px;
}

/* ==========================================================
   PREVIEW MODAL
========================================================== */
.preview-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(6px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.preview-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 800px;
  overflow: hidden;
}

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

.close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 24px;
  cursor: pointer;
}

.preview-body {
  padding: 20px;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 360px;
  max-height: 520px;
}

.preview-body img, .preview-body video {
  max-width: 100%;
  max-height: 480px;
  border-radius: var(--radius-sm);
}

.preview-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

.preview-actions {
  display: flex;
  gap: 8px;
}

.probe-body {
  background: #090e17;
  border-radius: var(--radius-md);
  margin: 16px;
}

/* ==========================================================
   SYSTEM FOOTER
========================================================== */
.system-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 10px 24px;
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.system-footer code {
  color: var(--accent-cyan);
}