/* ============================================================
   TIER 5A FEATURES CSS
   Features: Calm/Quiet Route Mode, Luggage-Friendly Routing,
             Arrival Alarm, Real-Time Carriage Crowding

   Integration: Add <link rel="stylesheet" href="/tier5a-features.css">
   to the <head> of index.html.
   ============================================================ */


/* ============================================================
   1. CALM / QUIET ROUTE MODE
   Toggle, indicators, breathing exercise, sensory warnings
   ============================================================ */

/* Calm mode toggle on home screen banner */
.calm-mode-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 12px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: border-color 0.2s, background 0.2s;
}
.calm-mode-banner:active {
  background: var(--bg-card-hover);
}
.calm-mode-banner.active {
  border-color: #36B37E;
  background: rgba(54, 179, 126, 0.06);
}

.calm-banner-icon {
  font-size: 20px;
  flex-shrink: 0;
}

.calm-banner-text {
  flex: 1;
  min-width: 0;
}

.calm-banner-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

.calm-banner-desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 1px;
}

.calm-banner-toggle .toggle-track {
  width: 32px;
  height: 18px;
  border-radius: 9px;
  background: var(--text-muted);
  position: relative;
  transition: background 0.2s;
  flex-shrink: 0;
}
.calm-mode-banner.active .calm-banner-toggle .toggle-track {
  background: var(--green);
}

.calm-banner-toggle .toggle-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  position: absolute;
  top: 2px;
  left: 2px;
  transition: transform 0.2s;
}
.calm-mode-banner.active .calm-banner-toggle .toggle-thumb {
  transform: translateX(14px);
}

/* Calm score indicator on station results */
.calm-indicator {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  margin-right: 6px;
}
.calm-indicator.calm {
  background: rgba(54, 179, 126, 0.15);
  color: var(--green);
}
.calm-indicator.moderate {
  background: rgba(255, 171, 0, 0.15);
  color: var(--amber);
}
.calm-indicator.intense {
  background: rgba(255, 86, 48, 0.15);
  color: var(--red);
}

.calm-indicator-icon {
  font-size: 13px;
}

/* Calm score card on result screen */
.calm-score-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-top: 12px;
}

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

.calm-score-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 6px;
}

.calm-score-value {
  font-size: 20px;
  font-weight: 900;
}
.calm-score-value.calm { color: var(--green); }
.calm-score-value.moderate { color: var(--amber); }
.calm-score-value.intense { color: var(--red); }

.calm-score-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
}

.calm-factors {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 8px;
}

.calm-factor {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
}

.calm-factor-bar {
  width: 60px;
  height: 4px;
  border-radius: 2px;
  background: var(--bg-elevated);
  overflow: hidden;
}

.calm-factor-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.3s;
}
.calm-factor-fill.green { background: var(--green); }
.calm-factor-fill.amber { background: var(--amber); }
.calm-factor-fill.red { background: var(--red); }

/* Calmer alternative suggestion */
.calm-alternative {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: rgba(54, 179, 126, 0.06);
  border: 1px solid rgba(54, 179, 126, 0.2);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-top: 10px;
}

.calm-alt-icon {
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 1px;
}

.calm-alt-text {
  flex: 1;
  min-width: 0;
}

.calm-alt-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 2px;
}

.calm-alt-detail {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Sensory warnings */
.sensory-warnings {
  margin-top: 10px;
}

.sensory-warning {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(255, 171, 0, 0.06);
  border: 1px solid rgba(255, 171, 0, 0.15);
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.sensory-warning-icon {
  font-size: 14px;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Breathing exercise overlay */
.breathing-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 14, 26, 0.95);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.breathing-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.breathing-circle {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(54, 179, 126, 0.3) 0%, rgba(54, 179, 126, 0.05) 70%);
  border: 3px solid var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 4s ease-in-out;
  margin-bottom: 32px;
}
.breathing-circle.inhale {
  transform: scale(1.4);
  transition-duration: 4s;
}
.breathing-circle.hold {
  transform: scale(1.4);
  transition-duration: 7s;
}
.breathing-circle.exhale {
  transform: scale(1);
  transition-duration: 8s;
}

.breathing-instruction {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  text-align: center;
  margin-bottom: 8px;
}

.breathing-timer {
  font-size: 48px;
  font-weight: 900;
  color: var(--green);
}

.breathing-count {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 16px;
}

.breathing-close {
  position: absolute;
  top: calc(16px + var(--safe-top, 0px));
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
}

.breathing-start-btn {
  margin-top: 24px;
  padding: 12px 28px;
  border: none;
  border-radius: var(--radius);
  background: var(--green);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  font-family: var(--font);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: opacity 0.15s;
}
.breathing-start-btn:active {
  opacity: 0.85;
}


/* ============================================================
   2. LUGGAGE-FRIENDLY ROUTING
   Toggle, luggage score, airport guidance
   ============================================================ */

.luggage-mode-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 12px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: border-color 0.2s, background 0.2s;
}
.luggage-mode-banner:active {
  background: var(--bg-card-hover);
}
.luggage-mode-banner.active {
  border-color: var(--accent);
  background: rgba(76, 154, 255, 0.06);
}

.luggage-banner-icon {
  font-size: 20px;
  flex-shrink: 0;
}

.luggage-banner-text {
  flex: 1;
  min-width: 0;
}

.luggage-banner-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

.luggage-banner-desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 1px;
}

.luggage-banner-toggle .toggle-track {
  width: 32px;
  height: 18px;
  border-radius: 9px;
  background: var(--text-muted);
  position: relative;
  transition: background 0.2s;
  flex-shrink: 0;
}
.luggage-mode-banner.active .luggage-banner-toggle .toggle-track {
  background: var(--accent);
}

.luggage-banner-toggle .toggle-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  position: absolute;
  top: 2px;
  left: 2px;
  transition: transform 0.2s;
}
.luggage-mode-banner.active .luggage-banner-toggle .toggle-thumb {
  transform: translateX(14px);
}

/* Luggage info card on result screen */
.luggage-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-top: 12px;
}

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

.luggage-info-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 6px;
}

.luggage-score {
  display: flex;
  align-items: center;
  gap: 4px;
}

.luggage-star {
  font-size: 14px;
}
.luggage-star.filled { color: var(--accent); }
.luggage-star.empty { color: var(--text-muted); opacity: 0.4; }

.luggage-features {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.luggage-feature-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--bg-elevated);
  color: var(--text-secondary);
}
.luggage-feature-badge.available {
  background: rgba(54, 179, 126, 0.12);
  color: var(--green);
}
.luggage-feature-badge.unavailable {
  background: rgba(255, 86, 48, 0.08);
  color: var(--text-muted);
  text-decoration: line-through;
  opacity: 0.6;
}

/* Airport connection card */
.airport-connection-card {
  background: linear-gradient(135deg, rgba(76, 154, 255, 0.08) 0%, rgba(76, 154, 255, 0.02) 100%);
  border: 1px solid rgba(76, 154, 255, 0.2);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-top: 10px;
}

.airport-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.airport-card-icon {
  font-size: 18px;
}

.airport-card-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
}

.airport-card-tips {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.airport-card-tip {
  padding: 4px 0;
}
.airport-card-tip + .airport-card-tip {
  border-top: 1px solid var(--border);
}


/* ============================================================
   3. ARRIVAL ALARM
   Set alarm button, countdown overlay, alerts
   ============================================================ */

.alarm-set-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 20px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  color: var(--text);
  -webkit-tap-highlight-color: transparent;
  transition: all 0.15s;
}
.alarm-set-btn:active {
  background: var(--bg-card-hover);
  transform: scale(0.97);
}

/* Alarm setup modal */
.alarm-modal {
  position: fixed;
  inset: 0;
  background: rgba(10, 14, 26, 0.92);
  z-index: 900;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}
.alarm-modal.visible {
  opacity: 1;
  pointer-events: auto;
}

.alarm-modal-card {
  width: 100%;
  max-width: 520px;
  background: var(--bg-card);
  border-radius: 20px 20px 0 0;
  padding: 24px 20px calc(24px + var(--safe-bottom, 0px));
  max-height: 80vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform 0.25s;
}
.alarm-modal.visible .alarm-modal-card {
  transform: translateY(0);
}

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

.alarm-modal-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
}

.alarm-modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
}

.alarm-dest-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 4px;
}

.alarm-dest-station {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}

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

.alarm-origin-input {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 500;
  font-family: var(--font);
  background: var(--bg-elevated);
  color: var(--text);
  outline: none;
  margin-bottom: 12px;
  transition: border-color 0.2s;
}
.alarm-origin-input:focus {
  border-color: var(--accent);
}
.alarm-origin-input::placeholder {
  color: var(--text-muted);
}

.alarm-origin-dropdown {
  background: var(--bg-card);
  border: 1.5px solid var(--accent);
  border-radius: var(--radius);
  max-height: 180px;
  overflow-y: auto;
  margin-top: -8px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-lg);
}

.alarm-origin-option {
  width: 100%;
  padding: 12px 16px;
  border: none;
  background: none;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  -webkit-tap-highlight-color: transparent;
}
.alarm-origin-option:active {
  background: var(--bg-elevated);
}
.alarm-origin-option + .alarm-origin-option {
  border-top: 1px solid var(--border);
}

.alarm-estimate {
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  text-align: center;
  margin-bottom: 16px;
}

.alarm-estimate-stops {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
}

.alarm-estimate-time {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.alarm-start-btn {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  font-family: var(--font);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: opacity 0.15s;
}
.alarm-start-btn:active {
  opacity: 0.85;
}
.alarm-start-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

/* Floating countdown overlay */
.alarm-countdown {
  position: fixed;
  bottom: calc(16px + var(--safe-bottom, 0px));
  left: 16px;
  right: 16px;
  max-width: 520px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  z-index: 800;
  display: none;
  transition: border-color 0.3s, background 0.3s;
}
.alarm-countdown.visible {
  display: block;
  animation: alarmSlideUp 0.3s ease-out;
}
.alarm-countdown.alert-amber {
  border-color: var(--amber);
  background: rgba(255, 171, 0, 0.08);
}
.alarm-countdown.alert-red {
  border-color: var(--red);
  background: rgba(255, 86, 48, 0.1);
  animation: alarmPulse 1s ease-in-out infinite;
}
.alarm-countdown.alert-arrived {
  border-color: var(--green);
  background: rgba(54, 179, 126, 0.1);
}

@keyframes alarmSlideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes alarmPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 86, 48, 0.3); }
  50% { box-shadow: 0 0 0 8px rgba(255, 86, 48, 0); }
}

.alarm-countdown-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.alarm-countdown-dest {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.alarm-countdown-close {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
}

.alarm-countdown-body {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.alarm-countdown-stops {
  font-size: 28px;
  font-weight: 900;
  color: var(--text);
}

.alarm-countdown-stops-label {
  font-size: 12px;
  color: var(--text-secondary);
}

.alarm-countdown-time {
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
}

.alarm-countdown-time-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-align: right;
}

.alarm-countdown-message {
  font-size: 14px;
  font-weight: 700;
  margin-top: 8px;
  text-align: center;
}
.alarm-countdown-message.amber { color: var(--amber); }
.alarm-countdown-message.red { color: var(--red); }
.alarm-countdown-message.green { color: var(--green); }

.alarm-position-reminder {
  font-size: 13px;
  color: var(--text-secondary);
  text-align: center;
  margin-top: 4px;
}

.alarm-sound-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 8px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.alarm-sound-toggle input[type="checkbox"] {
  accent-color: var(--accent);
}


/* ============================================================
   4. REAL-TIME CARRIAGE CROWDING
   Train diagram overlay, sparkline, recommendation
   ============================================================ */

.carriage-crowding-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-top: 12px;
}

.carriage-crowding-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.carriage-crowding-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 6px;
}

.carriage-crowding-time {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

/* Crowding train diagram */
.crowding-diagram {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 0;
  margin: 0 auto 12px;
  max-width: 340px;
}

.crowding-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.crowding-cars {
  display: flex;
  gap: 2px;
  width: 100%;
}

.crowding-car {
  flex: 1;
  height: 32px;
  border-radius: 4px;
  transition: background 0.5s;
}
.crowding-car:first-child { border-radius: 10px 4px 4px 10px; }
.crowding-car:last-child { border-radius: 4px 10px 10px 4px; }
.crowding-car.quiet { background: var(--green); }
.crowding-car.moderate { background: var(--amber); }
.crowding-car.busy { background: var(--red); }

.crowding-percent {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
}

.crowding-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

/* Crowding percentages row */
.crowding-percentages {
  display: flex;
  justify-content: space-between;
  max-width: 340px;
  margin: 0 auto 12px;
}

.crowding-pct-item {
  text-align: center;
  flex: 1;
}

.crowding-pct-value {
  font-size: 16px;
  font-weight: 800;
}
.crowding-pct-value.quiet { color: var(--green); }
.crowding-pct-value.moderate { color: var(--amber); }
.crowding-pct-value.busy { color: var(--red); }

.crowding-pct-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

/* Carriage recommendation */
.carriage-recommendation {
  background: rgba(54, 179, 126, 0.06);
  border: 1px solid rgba(54, 179, 126, 0.15);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-top: 10px;
}

.carriage-rec-text {
  font-size: 13px;
  color: var(--text);
  line-height: 1.4;
}

.carriage-rec-text strong {
  color: var(--green);
}

/* Sparkline / hourly chart */
.crowding-hourly {
  margin-top: 12px;
}

.crowding-hourly-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.crowding-sparkline {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 40px;
}

.sparkline-bar {
  flex: 1;
  border-radius: 2px 2px 0 0;
  min-height: 3px;
  transition: height 0.3s;
  position: relative;
}
.sparkline-bar.quiet { background: var(--green); }
.sparkline-bar.moderate { background: var(--amber); }
.sparkline-bar.busy { background: var(--red); }
.sparkline-bar.current {
  outline: 2px solid var(--text);
  outline-offset: 1px;
}

.sparkline-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 4px;
}

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