/* =========================================================
   Metropy — Component Styles
   Cards, Buttons, Inputs, Forms, Loading, Modals
   ========================================================= */

/* ───── 카드 ───── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
  transition: box-shadow 0.3s ease;
}

.card:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  gap: 16px;
  flex-wrap: wrap;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text);
  letter-spacing: -0.01em;
}

.card-desc {
  font-size: .88rem;
  color: var(--text-dim);
  margin-bottom: 18px;
  line-height: 1.5;
}

/* ───── 빠른 설명 버튼 ───── */
.quick-explain-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: linear-gradient(135deg, rgba(91, 140, 255, 0.15), rgba(52, 211, 153, 0.15));
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.quick-explain-btn:hover {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: var(--bg);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(91, 140, 255, 0.3);
}

.quick-explain-btn:active {
  transform: translateY(0);
}

.quick-explain-btn span {
  font-size: 1.1rem;
}

/* ───── 입력 ───── */
.input-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: end;
  margin-bottom: 24px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-group label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: .02em;
}

.select-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
}

.station-search {
  width: 100%;
  padding: 12px 48px 12px 14px;
  background: var(--surface2);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: .95rem;
  outline: none;
  transition: all var(--transition);
}

.station-search:focus {
  border-color: var(--accent);
  background: var(--surface3);
  box-shadow: 0 0 0 3px rgba(91, 140, 255, 0.1);
}

.station-search::placeholder {
  color: var(--text-muted);
}

/* Select는 숨김 (autocomplete만 사용) */
.station-select {
  display: none;
}
select, input[type="number"] {
  padding: 10px 14px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: .9rem;
  outline: none;
  transition: border-color var(--transition);
}
select:focus, input:focus { border-color: var(--accent); }

.swap-btn-wrapper {
  display: flex;
  align-items: center;
  padding-bottom: 4px;
}

.swap-btn {
  width: 44px;
  height: 44px;
  background: var(--surface2);
  border: 2px solid var(--border);
  border-radius: 50%;
  color: var(--accent);
  font-size: 1.3rem;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.swap-btn:hover {
  background: var(--accent);
  color: var(--bg);
  transform: rotate(180deg);
  box-shadow: 0 4px 12px rgba(91, 140, 255, 0.3);
}

.swap-btn:active {
  transform: rotate(180deg) scale(0.95);
}


/* ───── 요일 선택 ───── */
.dow-section {
  margin-top: 8px;
}

.dow-section > label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  display: block;
}

.dow-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.dow-chip {
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-dim);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.dow-chip:hover {
  color: var(--text);
  border-color: var(--accent);
  background: var(--surface2);
}

.dow-chip.active {
  color: var(--bg);
  background: var(--accent);
  border-color: var(--accent);
}

.dow-chip[data-dow="SAT"].active,
.dow-chip[data-dow="SUN"].active {
  background: var(--green);
  border-color: var(--green);
}

/* ───── 데이터 품질 배지 ───── */
.data-quality-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0;
  padding: 10px 12px;
  background: var(--surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.dq-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 12px;
  font-weight: 500;
  letter-spacing: -0.2px;
}
.dq-exact { color: var(--green); background: var(--green-dim); }
.dq-interpolated { color: var(--yellow); background: rgba(251,191,36,.12); }
.dq-fallback { color: var(--text-dim); background: var(--surface2); }

/* ───── 시간 ───── */
.hour-section {
  margin-top: 8px;
  margin-bottom: 24px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hour-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.hour-range-info {
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--surface2);
  padding: 4px 10px;
  border-radius: 12px;
}

.hour-tips {
  display: flex;
  justify-content: space-between;
  padding: 8px 0 0;
  border-top: 1px solid var(--border);
  margin-top: 4px;
}

.hour-tips .tip {
  font-size: 0.75rem;
  color: var(--text-dim);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 8px;
  transition: all var(--transition);
}

.hour-tips .tip:hover {
  background: var(--surface2);
  color: var(--text);
}

.hour-section > label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: .02em;
}

.hour-control {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hour-btn {
  width: 40px;
  height: 40px;
  background: var(--surface2);
  border: 2px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
}

.hour-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
  transform: scale(1.05);
}

.hour-btn:active {
  transform: scale(0.95);
}
input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--surface3) 0%, var(--surface2) 100%);
  outline: none;
  cursor: pointer;
  border: 1px solid var(--border);
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  cursor: pointer;
  border: 3px solid var(--bg);
  box-shadow: 0 3px 10px rgba(91, 140, 255, 0.4);
  transition: all 0.2s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 4px 14px rgba(91, 140, 255, 0.5);
}

input[type="range"]::-webkit-slider-thumb:active {
  transform: scale(1.05);
}

input[type="range"]::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  cursor: pointer;
  border: 3px solid var(--bg);
  box-shadow: 0 3px 10px rgba(91, 140, 255, 0.4);
  transition: all 0.2s ease;
}

input[type="range"]::-moz-range-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 4px 14px rgba(91, 140, 255, 0.5);
}
.hour-display {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: center;
  padding: 12px;
  background: var(--surface2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.hour-time {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: .05em;
}

.hour-period {
  font-size: .85rem;
  font-weight: 600;
  padding: 6px 14px;
  background: var(--surface3);
  border-radius: 20px;
  color: var(--text);
  border: 1px solid var(--border);
}


/* ───── 추천 버튼 ───── */
.recommend-btn {
  width: 100%;
  padding: 18px 24px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: var(--bg);
  border: none;
  border-radius: var(--radius);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .2s ease;
  margin-top: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 4px 12px rgba(91, 140, 255, 0.25);
  position: relative;
  overflow: hidden;
}

.recommend-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.recommend-btn:hover::before {
  left: 100%;
}

.recommend-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(91, 140, 255, 0.4);
}

.recommend-btn:active {
  transform: translateY(0);
}

.recommend-btn:disabled {
  opacity: .5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-icon {
  font-size: .9rem;
}

.btn-row {
  display: flex;
  gap: 12px;
  margin-top: 28px;
}

.btn-primary {
  flex: 1;
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border: none;
  border-radius: var(--radius);
  color: var(--bg);
  font-size: .95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 4px 12px rgba(91, 140, 255, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(91, 140, 255, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: .5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  flex: 1;
  padding: 14px 28px;
  background: var(--surface2);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-secondary:hover {
  background: var(--surface3);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.btn-secondary:active {
  transform: translateY(0);
}

/* ───── 민감도 차트 ───── */
.sensitivity-svg { width: 100%; max-height: 320px; background: var(--surface2); border-radius: var(--radius); }
.sensitivity-svg text { font-family: 'Noto Sans KR', sans-serif; }
.sensitivity-legend { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 12px; font-size: .8rem; font-weight: 600; }

/* ───── 메시지 ───── */
.message {
  display: none;
  padding: 16px 24px;
  border-radius: var(--radius);
  font-size: .92rem;
  font-weight: 600;
  margin-bottom: 20px;
  animation: slideInDown 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

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

.message.visible {
  display: flex;
  align-items: center;
  gap: 12px;
}

.message.visible::before {
  content: '⚠️';
  font-size: 1.2rem;
}

.message.success::before {
  content: '✅';
}

.message:not(.success) {
  background: rgba(248, 113, 113, 0.15);
  color: var(--red);
  border: 2px solid rgba(248, 113, 113, 0.3);
}

.message.success {
  background: rgba(52, 211, 153, 0.15);
  color: var(--green);
  border: 2px solid rgba(52, 211, 153, 0.3);
}

/* ───── 즐겨찾기 & 히스토리 ───── */
.quick-access {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 28px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.quick-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quick-section h3 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.quick-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.quick-item {
  background: var(--surface2);
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  border: 1px solid transparent;
}
.quick-item:hover {
  background: var(--surface3);
  border-color: var(--accent);
}
.quick-item-info {
  flex: 1;
}
.quick-item-name {
  font-size: .88rem;
  font-weight: 600;
  color: var(--text);
  display: block;
  margin-bottom: 2px;
}
.quick-item-route {
  font-size: .82rem;
  color: var(--text-dim);
  line-height: 1.4;
}
.quick-item-actions {
  display: flex;
  gap: 6px;
}
.icon-btn {
  background: var(--surface2);
  border: 2px solid var(--border);
  border-radius: 8px;
  color: var(--text-dim);
  cursor: pointer;
  padding: 8px 12px;
  font-size: 1.2rem;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.icon-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
  transform: scale(1.1);
}

.icon-btn:active {
  transform: scale(0.95);
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

/* ───── 로딩 스피너 ───── */
.loading-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 12, 20, 0.95);
  backdrop-filter: blur(12px);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 20px;
}

.loading-overlay.visible {
  display: flex;
  animation: fadeIn 0.2s ease;
}

.spinner {
  width: 56px;
  height: 56px;
  border: 5px solid var(--surface3);
  border-top-color: var(--accent);
  border-right-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
  box-shadow: 0 0 20px rgba(91, 140, 255, 0.3);
}

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

.loading-text {
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.loading-text {
  position: absolute;
  margin-top: 80px;
  color: var(--text-dim);
  font-size: 14px;
}

/* ───── 스켈레톤 로딩 ───── */
.skeleton {
  background: linear-gradient(90deg, var(--surface2) 25%, var(--surface3) 50%, var(--surface2) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-train {
  display: flex;
  gap: 6px;
  padding: 20px;
  background: var(--surface2);
  border-radius: var(--radius);
}

.skeleton-car {
  flex: 1;
  min-width: 72px;
  height: 80px;
  background: linear-gradient(90deg, var(--surface3) 25%, var(--surface) 50%, var(--surface3) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

.skeleton-hero {
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 36px;
  background: var(--surface2);
  border-radius: var(--radius);
  margin-bottom: 24px;
}

.skeleton-hero-main {
  width: 160px;
  height: 120px;
}

.skeleton-hero-meta {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
}

.skeleton-meta-item {
  height: 60px;
}

.skeleton-text {
  height: 20px;
  margin-bottom: 12px;
}

.skeleton-text.short { width: 40%; }
.skeleton-text.medium { width: 60%; }
.skeleton-text.long { width: 80%; }

/* 로딩 상태의 버튼 */
.recommend-btn.loading {
  pointer-events: none;
  position: relative;
  color: transparent;
}

.recommend-btn.loading::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 24px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}


/* ───── 통계 & 모달 ───── */
.stat-box { background: var(--surface2); padding: 20px; border-radius: var(--radius-sm); text-align: center; border: 1px solid var(--border); }
.stat-box .stat-number { font-size: 2rem; font-weight: 900; color: var(--accent); margin-bottom: 8px; }
.stat-box .stat-label { font-size: .85rem; color: var(--text-dim); }


/* ───── 데이터 관리 버튼 ───── */
.data-management-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.data-management-btns .btn-secondary.danger {
  border-color: var(--red);
  color: var(--red);
}

.data-management-btns .btn-secondary.danger:hover {
  background: var(--red);
  color: var(--bg);
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 20px;
  animation: fadeIn 0.2s ease;
}

.modal-content {
  background: var(--surface);
  padding: 36px;
  border-radius: var(--radius);
  max-width: 540px;
  width: 100%;
  border: 2px solid var(--border);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
  animation: scaleIn 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.shortcuts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.shortcut-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.shortcut-item:hover {
  background: var(--surface3);
  transform: translateX(4px);
}

.shortcut-item kbd {
  background: var(--surface3);
  padding: 6px 12px;
  border-radius: 6px;
  font-family: 'Courier New', monospace;
  font-size: .92rem;
  font-weight: 700;
  border: 2px solid var(--border);
  min-width: 36px;
  text-align: center;
  color: var(--accent);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.shortcut-item span {
  font-size: .88rem;
  color: var(--text);
  font-weight: 500;
}


/* ───── 오프라인 배너 ───── */
.offline-banner {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: linear-gradient(90deg, #f87171 0%, #ef4444 100%);
  padding: 12px 20px;
  z-index: 200;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}

.offline-banner.offline-fadeout {
  animation: slideUp 0.3s ease forwards;
}

@keyframes slideUp {
  to {
    transform: translateY(-100%);
  }
}

.offline-content {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--bg);
  font-weight: 600;
}

.offline-icon {
  font-size: 1.5rem;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.offline-text {
  font-size: 0.95rem;
}


/* ───── GPS 버튼 (과녁/크로스헤어 아이콘) ───── */
.gps-btn {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--surface3);
  border: 2px solid var(--border);
  border-radius: 50%;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  z-index: 10;
  padding: 0;
}

.gps-btn svg {
  width: 20px;
  height: 20px;
  stroke: var(--accent);
  stroke-width: 2;
  fill: none;
  transition: stroke 0.2s;
}

.gps-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 4px 12px rgba(91, 140, 255, 0.4);
}

.gps-btn:hover svg {
  stroke: var(--bg);
}

.gps-btn:active {
  transform: translateY(-50%) scale(0.95);
}

.gps-btn.loading svg {
  animation: gps-pulse 1s ease-in-out infinite;
}

@keyframes gps-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.9); }
}

/* ───── 자동완성 UI ───── */
.autocomplete-suggestions {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--surface2);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  margin-top: 0;
  max-height: 320px;
  overflow-y: auto;
  z-index: 1000;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  animation: slideDown 0.2s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.autocomplete-item {
  padding: 14px 18px;
  cursor: pointer;
  transition: all var(--transition);
  border-bottom: 1px solid var(--border);
  font-size: .9rem;
}

.autocomplete-item:last-child {
  border-bottom: none;
}

.autocomplete-item:hover,
.autocomplete-item.active {
  background: var(--surface3);
  padding-left: 22px;
}

.autocomplete-item mark {
  background: rgba(91, 140, 255, 0.25);
  color: var(--accent);
  font-weight: 700;
  padding: 2px 4px;
  border-radius: 4px;
}

.autocomplete-no-results {
  padding: 20px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.9rem;
}

/* ───── Empty States ───── */
.quick-list p,
.empty-state {
  color: var(--text-muted);
  font-size: 0.88rem;
  padding: 16px;
  text-align: center;
  background: var(--surface2);
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border);
  line-height: 1.6;
}

/* ───── Input Improvements ───── */
.station-search::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

.station-search:focus::placeholder {
  opacity: 0.4;
}

/* ───── Info Text ───── */
.info-text {
  color: var(--text-dim);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* ───── Stat Box ───── */
.stat-box {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  text-align: center;
  transition: all var(--transition);
}

.stat-box:hover {
  background: var(--surface3);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent);
  margin-bottom: 8px;
  line-height: 1;
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-dim);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}


/* ───── 경고 메시지 (warning) 스타일 ───── */
.message.warning {
  background: rgba(251, 191, 36, 0.12);
  color: var(--yellow);
  border-color: rgba(251, 191, 36, 0.3);
}

.message.warning.visible {
  display: flex;
}