/* ── Reset & Variables ── */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a2e;
  --accent: #00d4ff;
  --accent-warn: #ff9500;
  --accent-danger: #ff3b30;
  --accent-ok: #30d158;
  --text-primary: #ffffff;
  --text-secondary: #8e8e93;
  --border: #2c2c3e;
}

/* ── Base ── */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  font-size: 14px;
}

/* ── Header ── */
header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 16px 32px;
}

header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
}

header p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-top: 6px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── Nav Tabs ── */
nav {
  background-color: var(--bg-secondary);
  padding: 0 32px;
  display: flex;
  border-bottom: 1px solid var(--border);
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 14px 24px;
  font-size: 1.1rem;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.2s ease;
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ── Main Content ── */
main {
  padding: 32px;
  max-width: 100%;
}

/* ── Tab Switching ── */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ── Dashboard Gauges ── */
.gauge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 24px;
  margin-top: 24px;
}

.gauge-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 6px;
  text-align: center;
}

.gauge-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.gauge-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  margin-top: 12px;
}

.gauge-value span {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-secondary);
}

/* ── Fault Codes ── */
.faults-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.fault-summary {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.fault-count {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.fault-count.critical {
  background-color: rgba(255, 59, 48, 0.2);
  color: var(--accent-danger);
  border: 1px solid var(--accent-danger);
}

.fault-count.high {
  background-color: rgba(255, 149, 0, 0.2);
  color: var(--accent-warn);
  border: 1px solid var(--accent-warn);
}

.fault-count.medium {
  background-color: rgba(255, 214, 10, 0.2);
  color: #ffd60a;
  border: 1px solid #ffd60a;
}

.fault-count.low {
  background-color: rgba(48, 209, 88, 0.2);
  color: var(--accent-ok);
  border: 1px solid var(--accent-ok);
}

/* ── Fault Card ── */
.fault-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  margin-bottom: 12px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
}

.fault-code {
  font-size: 0.8m;
  font-weight: 700;
  font-family: monospace;
  color: var(--text-primary);
}

.fault-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.fault-system {
  font-size: 0.7rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.fault-description {
  font-size: 0.9rem;
  color: var(--text-primary);
}

.fault-action {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.severity-badge {
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  text-align: center;
  min-width: 80px;
}

.severity-critical {
  background-color: rgba(255, 59, 48, 0.2);
  color: var(--accent-danger);
  border: 1px solid var(--accent-danger);
}

.severity-high {
  background-color: rgba(255, 149, 0, 0.2);
  color: var(--accent-warn);
  border: 1px solid var(--accent-warn);
}

.severity-medium {
  background-color: rgba(255, 214, 10, 0.2);
  color: #ffd60a;
  border: 1px solid #ffd60a;
}

.severity-low {
  background-color: rgba(48, 209, 88, 0.2);
  color: var(--accent-ok);
  border: 1px solid var(--accent-ok);
}

/* ── AI Assistant ── */
.assistant-container {
  max-width: 80%;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.assistant-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 6px;
}

.chat-window {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  min-height: 350px;
  max-height: 500px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-message {
  display: flex;
  flex-direction: column;
}

.chat-message.user {
  align-items: flex-end;
}

.chat-message.assistant {
  align-items: flex-start;
}

.message-bubble {
  max-width: 60%;
  padding: 8px 12px;
  border-radius: 12px;
  font-size: 0.8rem;
  line-height: 1.6;
}

.chat-message.user .message-bubble {
  background-color: var(--accent);
  color: #000000;
  border-bottom-right-radius: 4px;
}

.chat-message.assistant .message-bubble {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
}

.chat-input-area {
  display: flex;
  gap: 12px;
}

.chat-input-area input {
  flex: 1;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
}

.chat-input-area input:focus {
  border-color: var(--accent);
}

.chat-input-area button {
  background-color: var(--accent);
  color: #000000;
  border: none;
  border-radius: 8px;
  padding: 12px 18px;
  font-size: 0.7rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.chat-input-area button:hover {
  opacity: 0.85;
}

.typing-indicator {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-style: italic;
  padding: 8px 16px;
}

/* ── Critical Alert Modal ── */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-box {
  background-color: var(--bg-card);
  border: 1px solid var(--accent-danger);
  border-radius: 16px;
  padding: 40px;
  max-width: 480px;
  width: 90%;
  text-align: center;
}

.modal-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.modal-box h2 {
  color: var(--accent-danger);
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.modal-fault-info {
  background-color: var(--bg-secondary);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 16px;
  font-family: monospace;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.modal-message {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 24px;
  line-height: 1.6;
}

.modal-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.modal-btn-primary {
  background-color: var(--accent-danger);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 14px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.modal-btn-primary:hover {
  opacity: 0.85;
}

.modal-btn-secondary {
  background-color: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 24px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.modal-btn-secondary:hover {
  color: var(--text-primary);
  border-color: var(--text-primary);
}

/* ── Service Tab ── */
.service-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 24px;
}

.service-map-container {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  height: 350px;
}

#service-map {
  height: 100%;
  width: 100%;
}

.service-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.service-panel h3 {
  color: var(--text-primary);
  font-size: 1rem;
}

.service-centre-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 300px;
  overflow-y: auto;
}

.service-centre-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.service-centre-card:hover {
  border-color: var(--accent);
}

.service-centre-card.selected {
  border-color: var(--accent);
  background-color: rgba(0, 212, 255, 0.05);
}

.centre-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.centre-distance {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.booking-form {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  display: none;
}

.booking-form.visible {
  display: block;
}

.booking-form h3 {
  margin-bottom: 16px;
  color: var(--text-primary);
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-group input,
.form-group select {
  width: 100%;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--accent);
}

.btn-confirm {
  width: 100%;
  background-color: var(--accent);
  color: #000000;
  border: none;
  border-radius: 8px;
  padding: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
  transition: opacity 0.2s ease;
}

.btn-confirm:hover {
  opacity: 0.85;
}

.booking-confirmed {
  background-color: rgba(48, 209, 88, 0.1);
  border: 1px solid var(--accent-ok);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  display: none;
}

.booking-confirmed.visible {
  display: block;
}

.booking-confirmed h3 {
  color: var(--accent-ok);
  margin-bottom: 8px;
}

.booking-confirmed p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ── OEM Telemetry ── */
.telemetry-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.telemetry-subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 6px;
}

.telemetry-toggle-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.toggle-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 26px;
}

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

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border);
  border-radius: 26px;
  transition: 0.3s;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  border-radius: 50%;
  transition: 0.3s;
}

input:checked + .toggle-slider {
  background-color: var(--accent-ok);
}

input:checked + .toggle-slider:before {
  transform: translateX(22px);
}

.toggle-status {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-ok);
  min-width: 60px;
}

.telemetry-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.telemetry-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.stream-card {
  grid-column: 1 / -1;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-header h3 {
  font-size: 0.9rem;
  color: var(--text-primary);
}

.stream-indicator {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-ok);
  animation: pulse 1.5s infinite;
}

.stream-indicator.paused {
  color: var(--text-secondary);
  animation: none;
}

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

.stream-log {
  font-family: monospace;
  font-size: 0.9rem;
  height: 180px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stream-entry {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 12px;
  padding: 4px 6px;
  border-radius: 4px;
  background-color: var(--bg-secondary);
  align-items: center;
}

.stream-time {
  color: var(--text-secondary);
}

.stream-id {
  color: var(--accent);
}

.stream-data {
  color: var(--accent-ok);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Vehicle Profile ── */
.vehicle-profile {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.profile-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
}

.profile-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.profile-value {
  font-size: 0.8rem;
  color: var(--text-primary);
  font-weight: 600;
}

/* ── Fleet Stats ── */
.fleet-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.fleet-stat {
  background-color: var(--bg-secondary);
  border-radius: 8px;
  padding: 14px;
  text-align: center;
}

.fleet-stat-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
}

.fleet-stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ── ML Pipeline ── */
.ml-pipeline {
  background-color: var(--bg-secondary);
  border-radius: 8px;
  padding: 14px;
}

.pipeline-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pipeline-steps {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.pipeline-step {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 4px;
  background-color: var(--border);
  color: var(--text-secondary);
}

.pipeline-step.active {
  background-color: rgba(0, 212, 255, 0.15);
  color: var(--accent);
  border: 1px solid var(--accent);
}

.pipeline-arrow {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

/* ── Privacy ── */
.privacy-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.privacy-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.privacy-icon {
  font-size: 1rem;
}

/* ── Header ── */
header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 8px 20px;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.header-logo {
  flex-shrink: 0;
}

.header-logo img {
  height: 160px;
  width: auto;
  display: block;
}

.header-title {
  flex: 1;
  text-align: left;
}

header h1 {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
  line-height: 1.1;
}

/* ── Vehicle Selector ── */
.vehicle-selector {
  display: flex;
  gap: 12px;
}

.vehicle-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 6px 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.vehicle-btn:hover {
  border-color: var(--accent);
}

.vehicle-btn.active {
  border-color: var(--accent);
  background-color: rgba(0, 212, 255, 0.08);
}

.vehicle-icon {
  font-size: 1rem;
}

.vehicle-btn-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.vehicle-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.vehicle-plate {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-family: monospace;
}

/* ── Scan Button ── */
.fault-actions {
  display: flex;
  align-items: center;
}

.scan-btn {
  background-color: var(--accent);
  color: #000000;
  border: none;
  border-radius: 8px;
  padding: 10px 20px;
  font-size: 0.7rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.scan-btn:hover {
  opacity: 0.85;
}

/* ── Login Modal ── */
.login-box {
  border-color: var(--accent);
  max-width: 420px;
}

.login-header {
  margin-bottom: 24px;
  text-align: center;
}

.login-icon {
  font-size: 2.5rem;
  margin-bottom: 8px;
}

.login-header h2 {
  color: var(--accent);
  font-size: 1.3rem;
  margin-bottom: 6px;
}

.login-header p {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.login-vehicle-select {
  margin-bottom: 16px;
}

.login-vehicle-select label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.login-vehicles {
  display: flex;
  gap: 10px;
}

.login-vehicle-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.login-vehicle-card:hover {
  border-color: var(--accent);
}

.login-vehicle-card.active {
  border-color: var(--accent);
  background-color: rgba(0, 212, 255, 0.08);
  color: var(--text-primary);
}

.login-btn {
  width: 100%;
  margin-top: 8px;
  margin-bottom: 12px;
}

.login-hint {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-secondary);
}