/* ====================
   BRT Timetable Widget
   ==================== */

.brt-widget {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  transition: all var(--transition);
}

.brt-widget:hover {
  box-shadow: var(--shadow-lg);
}

/* Header bar */
.brt-header {
  background: linear-gradient(135deg, #0c4a6e 0%, #0369a1 50%, #0284c7 100%);
  color: #fff;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.brt-header-icon {
  font-size: 1.6rem;
  line-height: 1;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.brt-header-text h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.3;
}

.brt-header-text .brt-direction {
  font-size: 0.78rem;
  opacity: 0.8;
  margin-top: 2px;
  font-weight: 400;
}

/* Schedule type toggle */
.brt-schedule-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 14px 24px 0;
}

.brt-toggle-btn {
  padding: 5px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: 20px;
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  outline: none;
}

.brt-toggle-btn:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary-light);
}

.brt-toggle-btn.active {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  border-color: transparent;
}

.brt-day-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-left: 8px;
}

.brt-today-marker {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success);
  margin-right: 4px;
  vertical-align: middle;
}

/* === 3-column stop grid === */
.brt-stops-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 16px 20px;
}

.brt-stop-card {
  background: var(--color-bg);
  border-radius: 12px;
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  transition: box-shadow 0.2s;
}

.brt-stop-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* Stop header */
.brt-stop-header {
  padding: 12px 14px 8px;
  text-align: center;
  border-bottom: 1px solid var(--color-border-light);
}

.brt-stop-code {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  color: #fff;
  background: var(--color-primary);
  padding: 1px 6px;
  border-radius: 4px;
  margin-right: 4px;
  vertical-align: middle;
}

.brt-stop-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text);
}

.brt-stop-sub {
  display: block;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* Stop countdown */
.brt-stop-countdown {
  padding: 12px 10px;
  text-align: center;
}

.brt-stop-next-time {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
  letter-spacing: 0.02em;
}

.brt-stop-remaining {
  display: inline-flex;
  align-items: baseline;
  gap: 3px;
  margin-top: 6px;
  padding: 4px 14px;
  background: linear-gradient(135deg, #e0f2fe, #f0f9ff);
  border-radius: 20px;
  font-weight: 700;
}

.brt-cd-num {
  font-size: 1.15rem;
  color: var(--color-primary);
  line-height: 1;
}

.brt-cd-unit {
  font-size: 0.72rem;
  color: var(--color-primary-light);
  margin-right: 2px;
}

/* Imminent */
.brt-stop-remaining.imminent {
  background: linear-gradient(135deg, #fef3c7, #fef9c3);
  animation: brtPulse 1.5s ease-in-out infinite;
}

.brt-stop-remaining.imminent .brt-cd-num { color: var(--color-brt-imminent); }
.brt-stop-remaining.imminent .brt-cd-unit { color: var(--color-brt-imminent-light); }

@keyframes brtPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.2); }
  50% { box-shadow: 0 0 0 8px rgba(245, 158, 11, 0); }
}

/* Stop upcoming */
.brt-stop-upcoming {
  padding: 0 10px 10px;
}

.brt-stop-upcoming-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 6px;
  font-size: 0.8rem;
}

.brt-stop-upcoming-item span:first-child {
  font-weight: 600;
  color: var(--color-text);
}

.brt-stop-upcoming-diff {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

/* Stop service ended */
.brt-stop-ended {
  padding: 20px 10px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

.brt-stop-ended-icon {
  font-size: 1.2rem;
  margin-bottom: 4px;
}

.brt-stop-first {
  font-size: 0.72rem;
  margin-top: 4px;
}

/* Footer */
.brt-footer {
  padding: 12px 24px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-border-light);
}

.brt-footer-note {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  max-width: 60%;
  line-height: 1.5;
}

.brt-footer-link {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-primary-light);
  padding: 4px 12px;
  border-radius: 16px;
  transition: all 0.2s;
  white-space: nowrap;
}

.brt-footer-link:hover {
  background: rgba(56, 189, 248, 0.08);
  color: var(--color-primary);
}

.brt-footer .brt-footer-link::after {
  content: " \203A";
  font-weight: 700;
}

/* Loading state */
.brt-loading {
  padding: 40px 24px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* ====================
   Responsive
   ==================== */
@media (max-width: 768px) {
  .brt-header { padding: 14px 18px; }
  .brt-header-icon { width: 38px; height: 38px; font-size: 1.3rem; }
  .brt-header-text h3 { font-size: 0.95rem; }
  .brt-schedule-toggle { padding: 12px 18px 0; }

  .brt-stops-grid {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 12px 14px;
  }

  .brt-stop-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
  }

  .brt-stop-header {
    border-bottom: none;
    border-right: 1px solid var(--color-border-light);
    padding: 10px 12px;
    text-align: left;
  }

  .brt-stop-countdown {
    padding: 8px 12px;
  }

  .brt-stop-next-time { font-size: 1.4rem; }
  .brt-stop-remaining { padding: 3px 10px; }
  .brt-cd-num { font-size: 1rem; }

  .brt-stop-upcoming {
    padding: 8px 10px;
    border-left: 1px solid var(--color-border-light);
  }

  .brt-footer {
    padding: 10px 18px 14px;
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .brt-footer-note { max-width: 100%; }
}

@media (max-width: 480px) {
  .brt-stop-card {
    grid-template-columns: 1fr;
  }

  .brt-stop-header {
    border-right: none;
    border-bottom: 1px solid var(--color-border-light);
    text-align: center;
    padding: 8px 10px;
  }

  .brt-stop-upcoming {
    border-left: none;
    border-top: 1px solid var(--color-border-light);
  }
}