/* Travel Dashboard - Dark Theme Styles */
:root {
  --bg-primary: #1a1d24;
  --bg-secondary: #242830;
  --bg-tertiary: #2d323c;
  --bg-hover: #363d4a;
  --accent-primary: #4fd1c5;
  --accent-success: #48bb78;
  --accent-warning: #ecc94b;
  --accent-danger: #fc8181;
  --accent-info: #63b3ed;
  --text-primary: #f7fafc;
  --text-secondary: #a0aec0;
  --text-muted: #718096;
  --border-color: #3d4452;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --radius: 12px;
  --radius-sm: 8px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
}

/* Screen Container */
.screen {
  min-height: 100vh;
}

/* Auth Screen */
.auth-container {
  max-width: 400px;
  margin: 0 auto;
  padding: 60px 24px;
  text-align: center;
}

.logo {
  margin-bottom: 24px;
}

.auth-container h1 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 8px;
}

.subtitle {
  color: var(--text-secondary);
  margin-bottom: 32px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-primary);
  color: var(--bg-primary);
}

.btn-primary:hover {
  background: #38b2ac;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-hover);
}

.btn-google {
  width: 100%;
  background: white;
  color: #333;
  font-weight: 500;
}

.btn-google:hover {
  background: #f5f5f5;
}

.btn-full {
  width: 100%;
}

.btn-icon {
  background: transparent;
  color: var(--text-secondary);
  padding: 8px;
  border-radius: 50%;
}

.btn-icon:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* Divider */
.divider {
  display: flex;
  align-items: center;
  margin: 24px 0;
  color: var(--text-muted);
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.divider span {
  padding: 0 16px;
  font-size: 13px;
}

/* Forms */
.form-group {
  margin-bottom: 16px;
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 15px;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.password-group {
  position: relative;
}

.toggle-password {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
}

.magic-link-option {
  margin-top: 16px;
}

.magic-link-option a {
  color: var(--accent-primary);
  text-decoration: none;
  font-size: 14px;
}

.magic-link-option a:hover {
  text-decoration: underline;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header h1 {
  font-size: 20px;
  font-weight: 600;
}

.header-right {
  display: flex;
  gap: 8px;
}

/* Tabs */
.tabs {
  display: flex;
  background: var(--bg-secondary);
  padding: 0 16px;
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
}

.tab {
  padding: 12px 16px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: all 0.2s;
}

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

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

/* Main Content */
.main-content {
  padding: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.tab-content {
  display: none;
}

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

/* Flight Cards */
.flights-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.flight-card {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
}

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

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

.flight-route .airport {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
}

.flight-route .arrow {
  color: var(--text-muted);
  font-size: 18px;
}

.flight-name {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.flight-status {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.status-scheduled {
  background: rgba(99, 179, 237, 0.2);
  color: var(--accent-info);
}

.status-boarding {
  background: rgba(236, 201, 75, 0.2);
  color: var(--accent-warning);
}

.status-departed, .status-in-flight {
  background: rgba(79, 209, 197, 0.2);
  color: var(--accent-primary);
}

.status-arrived {
  background: rgba(72, 187, 120, 0.2);
  color: var(--accent-success);
}

.status-delayed {
  background: rgba(236, 201, 75, 0.2);
  color: var(--accent-warning);
}

.status-cancelled {
  background: rgba(252, 129, 129, 0.2);
  color: var(--accent-danger);
}

.flight-info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.info-item {
  text-align: center;
}

.info-item .label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.info-item .value {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 4px;
}

.flight-times {
  display: flex;
  justify-content: space-between;
  padding: 16px 0;
  border-top: 1px solid var(--border-color);
}

.time-block {
  text-align: center;
}

.time-block.arrival {
  text-align: right;
}

.time-block .time {
  font-size: 28px;
  font-weight: 700;
}

.time-block .label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.time-block .timezone {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* In-Flight Progress */
.flight-progress {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.progress-bar {
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 12px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-success));
  border-radius: 4px;
  transition: width 0.5s ease;
}

.flight-position {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-secondary);
}

.flight-position .location {
  color: var(--text-primary);
  font-weight: 500;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 60px 20px;
}

.empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.empty-state h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.empty-state p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* Social Sections */
.social-section {
  margin-bottom: 32px;
}

.social-section h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.badge {
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.friends-list, .groups-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.friend-item, .group-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
}

.friend-info, .group-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--bg-primary);
}

/* Modals */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

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

.modal-header h2 {
  font-size: 18px;
}

.close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 24px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

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

.modal-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
}

.modal-tab {
  flex: 1;
  padding: 12px;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 14px;
  border-bottom: 2px solid transparent;
}

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

.modal-tab-content {
  display: none;
  padding: 20px;
}

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

/* Lookup Result */
.lookup-result {
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin: 16px 0;
}

.lookup-result .flight-found {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lookup-result .route {
  font-size: 18px;
  font-weight: 600;
}

.lookup-result .details {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* Search Results */
.search-results {
  max-height: 300px;
  overflow-y: auto;
}

.search-result-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
}

.search-result-item:hover {
  background: var(--bg-tertiary);
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  right: -300px;
  width: 300px;
  height: 100vh;
  background: var(--bg-secondary);
  z-index: 1001;
  transition: right 0.3s ease;
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
}

.sidebar.active {
  right: 0;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
}

.sidebar-overlay.active {
  display: block;
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border-color);
}

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

.user-details {
  flex: 1;
}

#user-name {
  font-weight: 600;
}

.text-muted {
  color: var(--text-muted);
  font-size: 13px;
}

.sidebar-nav {
  padding: 16px 0;
}

.sidebar-nav a {
  display: block;
  padding: 12px 20px;
  color: var(--text-primary);
  text-decoration: none;
  transition: background 0.2s;
}

.sidebar-nav a:hover {
  background: var(--bg-tertiary);
}

/* Responsive */
@media (max-width: 600px) {
  .flight-info-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .flight-times {
    flex-direction: column;
    gap: 16px;
  }
  
  .time-block, .time-block.arrival {
    text-align: center;
  }
}

/* Loading Spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--bg-tertiary);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Toast Notifications */
.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  z-index: 2000;
  animation: slideUp 0.3s ease;
}

.toast.success {
  border-left: 4px solid var(--accent-success);
}

.toast.error {
  border-left: 4px solid var(--accent-danger);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}