/* ═══════════════════════════════════════════════════════
   METROBÜS DURAKLARI — İstanbul Transit Wayfinding UI
   Warm Charcoal · Amber · Teal · Parchment
   Inspired by real transit signage & Bosphorus light
   ═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* ── Box Sizing Reset ── */
.mbd-wrapper,
.mbd-wrapper *,
.mbd-wrapper *::before,
.mbd-wrapper *::after {
  box-sizing: border-box;
}

/* ── Design Tokens ── */
.mbd-wrapper {
  /* Surfaces */
  --mbd-white: #fdfcfa;
  --mbd-black: #1a1614;
  --mbd-surface: #f7f5f2;
  --mbd-surface-raised: #ffffff;

  /* Warm neutrals */
  --mbd-gray-50: #faf8f5;
  --mbd-gray-100: #f0ede8;
  --mbd-gray-200: #e2ded8;
  --mbd-gray-300: #c8c2b9;
  --mbd-gray-400: #a39d94;
  --mbd-gray-500: #7d776e;
  --mbd-gray-600: #5c574f;
  --mbd-gray-700: #3d3833;
  --mbd-gray-800: #2a2622;
  --mbd-gray-900: #1a1614;

  /* Accent color — overridden per line via JS */
  --mbd-amber: #e87400;
  --mbd-amber-bright: #ff8c1a;
  --mbd-amber-deep: #c45f00;
  --mbd-amber-bg: #fef6ec;
  --mbd-amber-bg-strong: #fdecd4;
  --mbd-amber-border: rgba(232, 116, 0, 0.2);
  --mbd-amber-glow: rgba(232, 116, 0, 0.12);
  --mbd-amber-pattern-faint: rgba(232, 116, 0, 0.04);
  --mbd-amber-pattern-medium: rgba(232, 116, 0, 0.08);
  --mbd-amber-pattern-strong: rgba(232, 116, 0, 0.15);
  --mbd-amber-owner-bg: rgba(232, 116, 0, 0.12);
  --mbd-amber-owner-border: rgba(232, 116, 0, 0.25);
  --mbd-amber-btn-shadow: rgba(232, 116, 0, 0.3);
  --mbd-amber-btn-shadow-hover: rgba(232, 116, 0, 0.35);
  --mbd-amber-btn-shadow-active: rgba(232, 116, 0, 0.25);
  --mbd-amber-btn-focus-ring: rgba(232, 116, 0, 0.2);

  /* Teal — fare & success */
  --mbd-teal: #0d9488;
  --mbd-teal-deep: #0f766e;
  --mbd-teal-bg: #effefa;
  --mbd-teal-border: rgba(13, 148, 136, 0.15);

  /* Error */
  --mbd-error-bg: #fef2f2;
  --mbd-error-border: rgba(185, 28, 28, 0.18);
  --mbd-error-text: #991b1b;

  /* Radii */
  --mbd-radius-2xl: 20px;
  --mbd-radius-xl: 16px;
  --mbd-radius-lg: 12px;
  --mbd-radius-md: 8px;
  --mbd-radius-sm: 6px;

  /* Typography */
  --mbd-font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mbd-font-body: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Elevation */
  --mbd-shadow-xs: 0 1px 2px rgba(26, 22, 20, 0.04);
  --mbd-shadow-sm: 0 2px 8px rgba(26, 22, 20, 0.06);
  --mbd-shadow-md: 0 4px 20px rgba(26, 22, 20, 0.08);
  --mbd-shadow-lg: 0 12px 48px rgba(26, 22, 20, 0.12);
  --mbd-shadow-xl: 0 24px 64px rgba(26, 22, 20, 0.16);

  max-width: 740px;
  margin: 0 auto;
  padding: 0;
  font-family: var(--mbd-font-body);
  font-size: 15px;
  color: var(--mbd-black);
  background: var(--mbd-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

/* ── Animations ── */
@keyframes mbd-fade-up {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes mbd-slide-up {
  from { opacity: 0; transform: translateY(100%); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes mbd-overlay-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes mbd-pop {
  0%   { transform: scale(0.95); opacity: 0; }
  50%  { transform: scale(1.01); }
  100% { transform: scale(1); opacity: 1; }
}


/* ══════════════════════════════════════
   HEADER — Deep charcoal with warm glow
   ══════════════════════════════════════ */
.mbd-header {
  position: relative;
  padding: 40px 36px 34px;
  background: var(--mbd-gray-900);
  overflow: hidden;
  animation: mbd-fade-up 0.5s ease-out;
  text-align: center;
}

/* Topographic transit-map pattern overlay */
.mbd-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 28px,
      var(--mbd-amber-pattern-faint) 28px,
      var(--mbd-amber-pattern-faint) 29px
    ),
    radial-gradient(ellipse 120% 80% at 100% 0%, var(--mbd-amber-pattern-strong) 0%, transparent 50%),
    radial-gradient(ellipse 80% 100% at 0% 100%, var(--mbd-amber-pattern-medium) 0%, transparent 40%);
  pointer-events: none;
}

/* Warm amber gradient bar at bottom */
.mbd-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--mbd-amber), var(--mbd-amber-bright), var(--mbd-amber));
  pointer-events: none;
}

.mbd-title {
  position: relative;
  margin: 0;
  font-family: var(--mbd-font-display);
  font-size: clamp(1.5rem, 4.5vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #ffffff;
  line-height: 1.15;
}

.mbd-subtitle {
  position: relative;
  margin: 10px auto 0;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.86rem;
  font-weight: 400;
  line-height: 1.55;
  max-width: 440px;
  letter-spacing: 0.01em;
}

.mbd-owner {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 18px 0 0;
  padding: 5px 12px;
  background: var(--mbd-amber-owner-bg);
  border: 1px solid var(--mbd-amber-owner-border);
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--mbd-amber-bright);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ══════════════════════
   LAYOUT
   ══════════════════════ */
.mbd-layout {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ══════════════════════
   CARDS
   ══════════════════════ */
.mbd-card {
  padding: 32px 36px;
  background: var(--mbd-surface-raised);
  border-bottom: 1px solid var(--mbd-gray-200);
  animation: mbd-fade-up 0.5s ease-out both;
}

.mbd-card:nth-child(1) { animation-delay: 0.05s; }
.mbd-card:nth-child(2) { animation-delay: 0.12s; }
.mbd-card:nth-child(3) { animation-delay: 0.18s; }

.mbd-card-title {
  margin: 0 0 24px;
  font-family: var(--mbd-font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--mbd-black);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ══════════════════════════
   LINE INFO CARD
   ══════════════════════════ */
.mbd-line-card {
  background: var(--mbd-surface);
  border-bottom: 1px solid var(--mbd-gray-200);
}

.mbd-line-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.mbd-line-badge {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-family: var(--mbd-font-display);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  position: relative;
  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.mbd-line-meta {
  flex: 1;
  min-width: 0;
}

.mbd-line-head h3 {
  margin: 0;
  font-family: var(--mbd-font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--mbd-black);
  letter-spacing: -0.02em;
}

.mbd-line-head p {
  display: block;
  margin: 3px 0 0;
  color: var(--mbd-gray-500);
  font-size: 0.84rem;
  font-weight: 400;
}

.mbd-line-head small {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin: 8px 0 0;
  color: var(--mbd-gray-600);
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--mbd-surface-raised);
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid var(--mbd-gray-200);
  letter-spacing: 0.01em;
}

.mbd-owner-inline {
  color: var(--mbd-amber) !important;
  font-weight: 700;
  font-size: 0.72rem !important;
  letter-spacing: 0.02em;
}

/* ══════════════════════════════
   CALCULATOR CARD
   ══════════════════════════════ */
.mbd-calc-card {
  background: var(--mbd-surface-raised);
  position: relative;
}

.mbd-calc-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle at 100% 0%, var(--mbd-amber-glow) 0%, transparent 70%);
  pointer-events: none;
  border-radius: 0 0 0 100%;
}

/* ══════════════════════════════
   FORM CONTROLS — Calculator
   ══════════════════════════════ */
.mbd-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.mbd-label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--mbd-gray-600);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.mbd-select {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  border: 1.5px solid var(--mbd-gray-200);
  border-left: 3px solid var(--mbd-amber);
  border-radius: var(--mbd-radius-md);
  background: var(--mbd-surface-raised);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%237d776e' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  color: var(--mbd-black);
  font-family: var(--mbd-font-body);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 13px 38px 13px 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  cursor: pointer;
}

.mbd-select:hover {
  border-color: var(--mbd-gray-300);
  background: var(--mbd-gray-50);
}

.mbd-select:focus {
  outline: none;
  border-color: var(--mbd-amber);
  border-left-color: var(--mbd-amber);
  box-shadow: 0 0 0 3px var(--mbd-amber-glow);
  background: var(--mbd-surface-raised);
}

/* ══════════════════════════
   TRANSFER HINT — Quick chips
   ══════════════════════════ */
.mbd-transfer-hint {
  margin-top: 16px;
  padding: 16px;
  background: var(--mbd-amber-bg);
  border: 1.5px solid var(--mbd-amber-border);
  border-radius: var(--mbd-radius-lg);
  position: relative;
  overflow: hidden;
}

.mbd-transfer-hint::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--mbd-amber);
  border-radius: 3px 0 0 3px;
}

.mbd-transfer-hint-title {
  margin: 0 0 10px;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--mbd-amber-deep);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.mbd-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mbd-chip {
  border: 1.5px solid var(--mbd-gray-200);
  border-radius: var(--mbd-radius-md);
  background: var(--mbd-surface-raised);
  color: var(--mbd-black);
  padding: 6px 12px 6px 6px;
  font-family: var(--mbd-font-body);
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--mbd-shadow-xs);
}

.mbd-chip:hover {
  border-color: var(--mbd-amber);
  background: var(--mbd-amber-bg);
  transform: translateY(-1px);
  box-shadow: var(--mbd-shadow-sm);
}

.mbd-chip:active {
  transform: scale(0.97) translateY(0);
}

.mbd-chip:focus {
  outline: none;
  border-color: var(--mbd-amber);
  box-shadow: 0 0 0 3px var(--mbd-amber-glow);
}

.mbd-chip-badge {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* ══════════════════════
   BUTTONS
   ══════════════════════ */
.mbd-outline-button,
.mbd-primary-button {
  width: 100%;
  border-radius: var(--mbd-radius-md);
  margin-top: 20px;
  font-family: var(--mbd-font-body);
  font-weight: 700;
  font-size: 0.92rem;
  padding: 14px 20px;
  cursor: pointer;
  transition: all 0.25s ease;
  letter-spacing: 0.01em;
}

.mbd-outline-button {
  border: 1.5px dashed var(--mbd-amber-border);
  background: var(--mbd-amber-bg);
  color: var(--mbd-amber-deep);
}

.mbd-outline-button:hover {
  background: var(--mbd-amber-bg-strong);
  border-color: var(--mbd-amber);
  border-style: solid;
}

.mbd-outline-button:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--mbd-amber-glow);
}

.mbd-primary-button {
  position: relative;
  border: none;
  background: linear-gradient(135deg, var(--mbd-amber) 0%, var(--mbd-amber-deep) 100%);
  color: #ffffff;
  box-shadow:
    0 4px 16px var(--mbd-amber-btn-shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  overflow: hidden;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* Shimmer sweep effect */
.mbd-primary-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.6s ease;
  pointer-events: none;
}

.mbd-primary-button:hover::before {
  left: 130%;
}

.mbd-primary-button:hover {
  background: linear-gradient(135deg, var(--mbd-amber-bright) 0%, var(--mbd-amber) 100%);
  box-shadow:
    0 8px 28px var(--mbd-amber-btn-shadow-hover),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.mbd-primary-button:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 2px 8px var(--mbd-amber-btn-shadow-active);
}

.mbd-primary-button:focus {
  outline: none;
  box-shadow:
    0 0 0 3px var(--mbd-amber-btn-focus-ring),
    0 4px 16px var(--mbd-amber-btn-shadow);
}

.mbd-primary-button[disabled],
.mbd-primary-button.mbd-btn-disabled {
  background: var(--mbd-gray-300);
  box-shadow: none;
  cursor: not-allowed;
  opacity: 0.7;
}

.mbd-primary-button[disabled]:hover,
.mbd-primary-button.mbd-btn-disabled:hover {
  transform: none;
  background: var(--mbd-gray-300);
  box-shadow: none;
}

.mbd-primary-button[disabled]::before,
.mbd-primary-button.mbd-btn-disabled::before {
  display: none;
}

/* ══════════════════════════
   TRANSFER CARD
   ══════════════════════════ */
.mbd-transfer-card {
  margin-top: 20px;
  border: 1.5px solid var(--mbd-gray-200);
  border-radius: var(--mbd-radius-xl);
  background: var(--mbd-surface);
  padding: 22px;
  position: relative;
  overflow: hidden;
}

.mbd-transfer-card::before {
  content: '';
  position: absolute;
  top: 16px;
  left: 0;
  bottom: 16px;
  width: 3px;
  background: var(--mbd-amber);
  border-radius: 0 3px 3px 0;
}

.mbd-transfer-card-head {
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.mbd-transfer-card h4 {
  margin: 0;
  font-family: var(--mbd-font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--mbd-black);
  letter-spacing: -0.01em;
}

.mbd-link-button {
  border: 0;
  background: transparent;
  color: var(--mbd-gray-500);
  font-family: var(--mbd-font-body);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.15s;
  padding: 4px 8px;
  border-radius: var(--mbd-radius-sm);
}

.mbd-link-button:hover {
  color: var(--mbd-error-text);
  background: var(--mbd-error-bg);
}

.mbd-link-button:focus {
  outline: none;
  color: var(--mbd-error-text);
}

.mbd-readonly {
  margin-top: 14px;
  border: 1.5px solid var(--mbd-gray-200);
  border-radius: var(--mbd-radius-md);
  background: var(--mbd-surface-raised);
  padding: 11px 14px;
}

.mbd-readonly span {
  display: block;
  color: var(--mbd-gray-500);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.mbd-readonly strong {
  display: block;
  margin-top: 3px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--mbd-black);
}

/* ══════════════════════════════════
   RESULTS — Dashboard data cards
   ══════════════════════════════════ */
.mbd-results {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  animation: mbd-pop 0.45s ease-out;
}

.mbd-result-card {
  border-radius: var(--mbd-radius-lg);
  padding: 22px 22px 22px 26px;
  position: relative;
  overflow: hidden;
}

/* Accent stripe on left */
.mbd-result-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  border-radius: 4px 0 0 4px;
}

.mbd-result-time {
  background: var(--mbd-amber-bg);
  border: 1.5px solid var(--mbd-amber-border);
}

.mbd-result-time::before {
  background: linear-gradient(to bottom, var(--mbd-amber), var(--mbd-amber-deep));
}

.mbd-result-fare {
  background: var(--mbd-teal-bg);
  border: 1.5px solid var(--mbd-teal-border);
}

.mbd-result-fare::before {
  background: linear-gradient(to bottom, var(--mbd-teal), var(--mbd-teal-deep));
}

.mbd-result-card h4 {
  margin: 0 0 12px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--mbd-gray-500);
}

.mbd-result-time .mbd-result-value {
  font-family: var(--mbd-font-display);
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--mbd-amber);
  line-height: 1;
  letter-spacing: -0.03em;
}

.mbd-result-time .mbd-result-unit {
  font-family: var(--mbd-font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--mbd-gray-500);
  margin-left: 2px;
}

.mbd-result-time p {
  margin: 0;
  font-weight: 600;
  color: var(--mbd-black);
}

.mbd-result-time small {
  display: inline-block;
  margin-top: 10px;
  color: var(--mbd-amber-deep);
  font-size: 0.74rem;
  font-weight: 500;
  background: var(--mbd-amber-pattern-medium);
  padding: 3px 10px;
  border-radius: 999px;
}

.mbd-result-fare ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.mbd-result-fare li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  padding: 8px 12px;
  border-radius: var(--mbd-radius-sm);
  background: rgba(255, 255, 255, 0.65);
  transition: background 0.15s;
}

.mbd-result-fare li:hover {
  background: rgba(255, 255, 255, 0.9);
}

.mbd-result-fare li span {
  color: var(--mbd-gray-600);
  font-weight: 500;
  font-size: 0.82rem;
}

.mbd-result-fare li strong {
  font-family: var(--mbd-font-display);
  font-weight: 800;
  color: var(--mbd-teal-deep);
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}

/* ══════════════════════════════════════
   FARE BREAKDOWN — Leg-by-leg detail
   ══════════════════════════════════════ */
.mbd-fare-breakdown {
  margin-top: 14px;
  border: 1.5px solid var(--mbd-gray-200);
  border-radius: var(--mbd-radius-lg);
  background: var(--mbd-surface);
  padding: 20px 22px;
}

.mbd-fare-breakdown h4 {
  margin: 0 0 14px;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--mbd-gray-500);
}

.mbd-leg-item {
  padding: 14px 16px;
  background: var(--mbd-surface-raised);
  border: 1px solid var(--mbd-gray-200);
  border-radius: var(--mbd-radius-md);
  margin-bottom: 8px;
}

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

.mbd-leg-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.mbd-leg-name {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--mbd-black);
}

.mbd-leg-discount {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--mbd-teal-deep);
  background: var(--mbd-teal-bg);
  border: 1px solid var(--mbd-teal-border);
  padding: 2px 8px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}

.mbd-leg-fares {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 16px;
}

.mbd-leg-fares span {
  font-size: 0.78rem;
  color: var(--mbd-gray-500);
  font-weight: 500;
}

.mbd-leg-fares strong {
  color: var(--mbd-black);
  font-weight: 700;
}

/* ══════════════════════════════════════════
   STATION TIMELINE — Transit diagram style
   ══════════════════════════════════════════ */
.mbd-stations-section {
  background: var(--mbd-surface) !important;
  padding: 32px 36px !important;
}

.mbd-stations {
  margin: 0;
  padding: 0 0 0 14px;
  list-style: none;
  position: relative;
}

/* Main transit line */
.mbd-stations::before {
  content: '';
  position: absolute;
  left: 22px;
  top: 6px;
  bottom: 6px;
  width: 4px;
  background: linear-gradient(
    to bottom,
    var(--mbd-amber),
    var(--mbd-amber-bright) 30%,
    var(--mbd-amber-bright) 70%,
    var(--mbd-amber)
  );
  border-radius: 4px;
  opacity: 0.3;
}

.mbd-station-row {
  width: 100%;
  text-align: left;
  border: none;
  border-radius: var(--mbd-radius-md);
  background: transparent;
  padding: 10px 14px 10px 52px;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: background 0.15s ease, box-shadow 0.15s ease;
  position: relative;
  font-family: var(--mbd-font-body);
  color: var(--mbd-black);
}

.mbd-station-row:hover {
  background: var(--mbd-surface-raised);
  box-shadow: var(--mbd-shadow-sm);
}

.mbd-station-row:focus {
  outline: none;
  background: var(--mbd-surface-raised);
  box-shadow: 0 0 0 2px var(--mbd-amber-glow);
}

.mbd-station-row:active {
  background: var(--mbd-amber-bg);
}

/* Station dot on the timeline */
.mbd-station-index {
  position: absolute;
  left: 10px;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--mbd-gray-900);
  color: #ffffff;
  font-size: 0.62rem;
  font-weight: 700;
  z-index: 1;
  box-shadow:
    0 0 0 3px var(--mbd-surface),
    0 0 0 4.5px var(--mbd-amber);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  letter-spacing: -0.02em;
}

.mbd-station-row:hover .mbd-station-index {
  transform: scale(1.12);
  background: var(--mbd-amber);
  box-shadow:
    0 0 0 3px var(--mbd-surface-raised),
    0 0 0 4.5px var(--mbd-amber),
    0 4px 12px var(--mbd-amber-btn-shadow);
}

.mbd-station-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--mbd-black);
  flex: 1;
  min-width: 0;
}

.mbd-station-transfer {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--mbd-amber-deep);
  background: var(--mbd-amber-bg);
  border: 1px solid var(--mbd-amber-border);
  border-radius: var(--mbd-radius-sm);
  padding: 3px 8px;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

/* ══════════════════════════════
   MODAL — Frosted bottom sheet
   ══════════════════════════════ */
body.mbd-modal-open {
  overflow: hidden !important;
}

.mbd-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(26, 22, 20, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
  animation: mbd-overlay-in 0.2s ease-out;
}

.mbd-modal {
  width: 100%;
  max-width: 740px;
  max-height: 85vh;
  overflow-y: auto;
  border-radius: var(--mbd-radius-2xl) var(--mbd-radius-2xl) 0 0;
  background: var(--mbd-surface-raised);
  box-shadow: var(--mbd-shadow-xl);
  padding: 10px 28px 36px;
  position: relative;
  animation: mbd-slide-up 0.35s cubic-bezier(0.32, 0.72, 0, 1);
}

.mbd-modal-handle {
  width: 36px;
  height: 4px;
  background: var(--mbd-gray-300);
  border-radius: 999px;
  margin: 8px auto 24px;
}

.mbd-modal-close {
  position: absolute;
  top: 20px;
  right: 22px;
  width: 34px;
  height: 34px;
  border: 1.5px solid var(--mbd-gray-200);
  border-radius: 999px;
  background: var(--mbd-surface-raised);
  color: var(--mbd-gray-500);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.mbd-modal-close:hover {
  background: var(--mbd-gray-100);
  color: var(--mbd-black);
  border-color: var(--mbd-gray-300);
}

.mbd-modal-close:focus {
  outline: none;
  border-color: var(--mbd-amber);
  box-shadow: 0 0 0 3px var(--mbd-amber-glow);
}

.mbd-modal h4 {
  margin: 0 0 6px;
  font-family: var(--mbd-font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--mbd-black);
  letter-spacing: -0.02em;
}

.mbd-modal p {
  margin: 0 0 20px;
  color: var(--mbd-gray-500);
  font-size: 0.84rem;
}

.mbd-modal-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.mbd-modal-item {
  border: 1.5px solid var(--mbd-gray-200);
  border-radius: var(--mbd-radius-lg);
  background: var(--mbd-surface-raised);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: all 0.15s ease;
}

.mbd-modal-item:hover {
  border-color: var(--mbd-gray-300);
  box-shadow: var(--mbd-shadow-sm);
  transform: translateY(-1px);
}

.mbd-modal-badge {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow:
    0 2px 6px rgba(0, 0, 0, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  letter-spacing: -0.01em;
}

.mbd-modal-item strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--mbd-black);
}

.mbd-modal-item small {
  display: block;
  margin-top: 2px;
  color: var(--mbd-gray-500);
  font-size: 0.78rem;
}

/* ══════════════════
   ERROR / WARNING
   ══════════════════ */
.mbd-error {
  border: 1.5px solid var(--mbd-error-border);
  border-radius: var(--mbd-radius-md);
  background: var(--mbd-error-bg);
  color: var(--mbd-error-text);
  padding: 16px 18px 16px 22px;
  font-size: 0.88rem;
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

.mbd-error::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--mbd-error-text);
  border-radius: 3px 0 0 3px;
}

.mbd-calc-warning {
  margin-top: 16px;
}

/* ══════════════════════════════════
   RESPONSIVE — Mobile-first
   ══════════════════════════════════ */
@media (max-width: 600px) {
  .mbd-wrapper {
    max-width: 100%;
  }

  .mbd-header {
    padding: 30px 22px 26px;
  }

  .mbd-card {
    padding: 24px 20px;
  }

  .mbd-stations-section {
    padding: 24px 20px !important;
  }

  .mbd-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .mbd-results {
    grid-template-columns: 1fr;
  }

  .mbd-result-card {
    padding: 18px;
  }

  .mbd-result-time .mbd-result-value {
    font-size: 2.2rem;
  }

  .mbd-line-badge {
    width: 46px;
    height: 46px;
    font-size: 0.85rem;
  }

  .mbd-title {
    font-size: 1.4rem;
  }
}

/* ══════════════════════════
   RESPONSIVE — Tablet+
   ══════════════════════════ */
@media (min-width: 601px) {
  .mbd-wrapper {
    margin: 32px auto;
    border-radius: var(--mbd-radius-2xl);
    overflow: hidden;
    border: 1px solid var(--mbd-gray-200);
    box-shadow: var(--mbd-shadow-lg);
  }

  .mbd-modal-overlay {
    align-items: center;
    padding: 32px;
  }

  .mbd-modal {
    border-radius: var(--mbd-radius-2xl);
    max-height: 75vh;
  }

  .mbd-modal-handle {
    display: none;
  }
}

/* ══════════════════════════
   FOCUS VISIBLE
   ══════════════════════════ */
.mbd-wrapper *:focus-visible {
  outline: 2px solid var(--mbd-amber);
  outline-offset: 2px;
}

/* Override for elements that handle their own focus */
.mbd-select:focus-visible,
.mbd-chip:focus-visible,
.mbd-primary-button:focus-visible,
.mbd-outline-button:focus-visible,
.mbd-modal-close:focus-visible,
.mbd-station-row:focus-visible {
  outline: none;
}

/* ══════════════════════════
   REDUCED MOTION
   ══════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  .mbd-wrapper *,
  .mbd-wrapper *::before,
  .mbd-wrapper *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ══════════════════════════
   SCROLLBAR STYLING (modal)
   ══════════════════════════ */
.mbd-modal::-webkit-scrollbar {
  width: 6px;
}

.mbd-modal::-webkit-scrollbar-track {
  background: transparent;
}

.mbd-modal::-webkit-scrollbar-thumb {
  background: var(--mbd-gray-300);
  border-radius: 999px;
}

.mbd-modal::-webkit-scrollbar-thumb:hover {
  background: var(--mbd-gray-400);
}