/* ─────────────────────────────────────────────────────────────────────────────
   Transport Context AI — Glassmorphism Design System (v2.2)
   ───────────────────────────────────────────────────────────────────────────── */

:root {
  --bg-primary: #0b0f19;
  --bg-surface: rgba(18, 26, 43, 0.75);
  --bg-surface-hover: rgba(30, 41, 67, 0.85);
  --bg-card: rgba(23, 33, 54, 0.65);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(59, 130, 246, 0.5);
  
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-purple: #a855f7;
  --accent-indigo: #6366f1;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-glow: 0 0 25px rgba(59, 130, 246, 0.25);
  --backdrop-blur: blur(16px);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans TC", sans-serif;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.12) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(168, 85, 247, 0.12) 0px, transparent 50%);
  color: var(--text-primary);
  min-height: 100vh;
  padding-bottom: 40px;
  overflow-x: hidden;
}

.app-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 16px;
}

/* ── Top Header Bar ──────────────────────────────────────────────────────── */
.header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  background: var(--bg-surface);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

.app-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

.app-title-group h1 {
  font-size: 17px;
  font-weight: 700;
  background: linear-gradient(135deg, #ffffff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.app-title-group span {
  font-size: 10px;
  color: var(--accent-cyan);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Role Badge */
.role-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.role-badge.dev {
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
  border-color: rgba(168, 85, 247, 0.4);
}

.role-badge.vip {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border-color: rgba(59, 130, 246, 0.4);
}

.role-badge.guest {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.4);
}

/* Countdown & Refresh Button */
.timer-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.timer-pill:hover {
  background: var(--bg-surface-hover);
  border-color: var(--accent-blue);
  color: #ffffff;
}

.btn-icon {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-icon:hover {
  background: var(--bg-surface-hover);
  color: #fff;
  border-color: var(--accent-blue);
}

/* ── Location Toolbar (Origin & Destination) ─────────────────────────────── */
.location-panel {
  background: var(--bg-surface);
  backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  margin-bottom: 12px;
}

.location-panel.destination-theme {
  border-left: 4px solid var(--accent-purple);
}

.location-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.location-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: #ffffff;
}

.location-tag {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(59, 130, 246, 0.2);
  color: #93c5fd;
}

.location-tag.dest {
  background: rgba(168, 85, 247, 0.2);
  color: #d8b4fe;
}

.location-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.btn-location {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(59, 130, 246, 0.15);
  color: #93c5fd;
  border: 1px solid rgba(59, 130, 246, 0.35);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-location:hover {
  background: rgba(59, 130, 246, 0.3);
  color: #ffffff;
}

.btn-location.dest {
  background: rgba(168, 85, 247, 0.15);
  color: #d8b4fe;
  border-color: rgba(168, 85, 247, 0.35);
}

.btn-location.dest:hover {
  background: rgba(168, 85, 247, 0.3);
}

.preset-select {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 6px 12px;
  font-size: 12px;
  border-radius: var(--radius-full);
  cursor: pointer;
  outline: none;
  max-width: 220px;
}

/* ── Selectors Matrix ────────────────────────────────────────────────────── */
.selectors-panel {
  background: var(--bg-surface);
  backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  margin-bottom: 16px;
}

.selector-group {
  margin-bottom: 12px;
}

.selector-group:last-child {
  margin-bottom: 0;
}

.group-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 8px;
  display: block;
}

.capsule-row {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.capsule-row::-webkit-scrollbar {
  display: none;
}

.capsule-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.2s ease;
}

.capsule-btn:hover {
  background: var(--bg-surface-hover);
  color: #ffffff;
}

.capsule-btn.active {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.25), rgba(168, 85, 247, 0.25));
  border-color: var(--accent-blue);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 0 14px rgba(59, 130, 246, 0.3);
}

/* ── Navigation Tabs ─────────────────────────────────────────────────────── */
.nav-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.nav-tab {
  flex: 1;
  padding: 10px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.nav-tab.active {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(14, 165, 233, 0.1));
  border-color: var(--accent-blue);
  color: #ffffff;
}

/* ── Live Context View ───────────────────────────────────────────────────── */
.view-content {
  display: none;
}
.view-content.active {
  display: block;
}

/* Situation Banner */
.situation-banner {
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  background: var(--bg-surface);
  border-left: 4px solid var(--accent-blue);
  border-top: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: var(--backdrop-blur);
}

.situation-banner.normal {
  border-left-color: var(--accent-emerald);
}
.situation-banner.warning {
  border-left-color: var(--accent-amber);
  background: rgba(245, 158, 11, 0.08);
}
.situation-banner.alert {
  border-left-color: var(--accent-rose);
  background: rgba(244, 63, 94, 0.1);
}

.situation-headline {
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.situation-summary {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Section Cards */
.section-card {
  background: var(--bg-surface);
  backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 10px;
  transition: all 0.2s ease;
}

.card-item:last-child {
  margin-bottom: 0;
}

.card-item:hover {
  border-color: var(--accent-blue);
  transform: translateY(-1px);
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 4px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.badge-priority {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.4);
}

/* Quick Metrics Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.metric-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px;
  text-align: center;
}

.metric-value {
  font-size: 20px;
  font-weight: 800;
  color: var(--accent-cyan);
  margin-bottom: 2px;
}

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

/* ── Favorite List in Modal ──────────────────────────────────────────────── */
.fav-item-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 8px;
}

.fav-item-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.fav-alias {
  font-size: 13px;
  font-weight: 700;
  color: #ffffff;
}

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

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

.btn-small {
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--text-secondary);
}

.btn-small.delete:hover {
  background: rgba(244, 63, 94, 0.2);
  color: #f87171;
  border-color: #f87171;
}

/* ── Route Planning View ─────────────────────────────────────────────────── */
.route-input-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 14px;
}

.input-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.input-row label {
  width: 60px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.input-text {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: #ffffff;
  font-size: 13px;
  outline: none;
}

.btn-primary {
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border: none;
  border-radius: var(--radius-md);
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
  opacity: 0.95;
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

/* ── Modal Dialogs ───────────────────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-overlay.show {
  display: flex;
}

.modal-card {
  background: #111827;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  max-height: 88vh;
  overflow-y: auto;
  padding: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

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

.modal-title {
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
}

.btn-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
}

#map-container {
  height: 320px;
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  border: 1px solid var(--border-subtle);
}

/* Toast & Feedback */
.toast-msg {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(30, 41, 59, 0.95);
  border: 1px solid var(--accent-blue);
  color: #ffffff;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  z-index: 2000;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.toast-msg.show {
  opacity: 1;
}