/* ============================================
   Search Results Page 样式
   /search?from=...&to=...&date=...
   ============================================ */

/* --- 往返流程 stepper --- */
.rt-stepper {
  background: linear-gradient(135deg, #fff7ed 0%, #fffaf2 100%);
  border-bottom: 1px solid rgba(242, 138, 26, 0.18);
  padding: var(--space-md) 0;
}

.rt-stepper-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.rt-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
}

.rt-step {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--color-text-light);
  position: relative;
}

.rt-step + .rt-step::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1.5px;
  background: rgba(242, 138, 26, 0.25);
  margin-right: 0.5rem;
}

.rt-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #fff;
  border: 1.5px solid rgba(242, 138, 26, 0.3);
  color: var(--color-text-light);
  font-size: 0.78rem;
  font-weight: 700;
}

.rt-step.is-current .rt-step-num {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  box-shadow: 0 2px 6px rgba(242, 138, 26, 0.35);
}

.rt-step.is-done .rt-step-num {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
}

.rt-step.is-done .rt-step-num::after {
  content: "✓";
  font-size: 0.8rem;
}

.rt-step.is-done .rt-step-num {
  /* 已完成步骤数字隐藏，✓ 取代（::after 已设） */
  color: transparent;
}

.rt-step.is-current .rt-step-label,
.rt-step.is-done .rt-step-label {
  color: var(--color-text);
  font-weight: 600;
}

.rt-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
}

.rt-cta-text {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text);
}

.rt-cta-btn {
  background: var(--color-accent);
  border: 0;
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.15s, box-shadow 0.15s;
  font-family: var(--font-body);
}

.rt-cta-btn:hover {
  filter: brightness(1.05);
  box-shadow: 0 4px 12px rgba(242, 138, 26, 0.35);
}

@media (max-width: 700px) {
  .rt-stepper-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
  .rt-cta {
    width: 100%;
    justify-content: space-between;
  }
}

/* --- 搜索页紧凑进度条 --- */
.progress-steps-compact {
  padding: var(--space-sm) 0 var(--space-md);
}

.progress-steps-compact .step-num {
  width: 24px;
  height: 24px;
  font-size: 0.7rem;
}

.progress-steps-compact .step-label {
  font-size: 0.68rem;
}

.progress-steps-compact .step-line {
  width: 40px;
  margin-bottom: 16px;
}

/* --- 顶部搜索条 --- */
.search-bar {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-sm) 0;
  position: sticky;
  top: var(--header-height);
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.search-bar-form {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto auto;
  gap: var(--space-sm);
  align-items: end;
}

.search-bar-form .field {
  min-width: 0;
}

.search-bar-form .field-label {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-light);
  font-weight: 500;
  margin-bottom: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.search-bar-form input[type="text"],
.search-bar-form input[type="date"] {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: var(--font-body);
}

.search-bar-form input:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.15);
}

.swap-btn {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  cursor: pointer;
  color: var(--color-primary);
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, transform 0.2s;
  align-self: end;
  margin-bottom: 2px;
}

.swap-btn:hover {
  background: var(--color-primary-light);
  color: #fff;
}

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

.search-bar-form .btn-search {
  padding: 0.55rem 1.2rem;
  font-size: 0.95rem;
}

/* --- 线路摘要 + 汇率条 --- */
.route-summary-bar {
  background: var(--color-bg-warm);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-sm) 0;
}

.route-summary-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.route-summary-main {
  flex: 1;
  min-width: 240px;
}

.route-summary-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--color-primary-dark);
  margin: 0;
}

.route-summary-title .route-icon {
  color: var(--color-accent);
  margin: 0 0.4em;
}

.route-summary-meta {
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin-top: 4px;
}

/* 线路概览数据 */
.route-summary-stats {
  display: flex;
  gap: var(--space-lg);
  align-items: stretch;
}

.route-stat {
  padding: 0 var(--space-md);
  border-left: 1px solid var(--color-border);
  min-width: 80px;
}

.route-stat:first-child {
  border-left: none;
  padding-left: 0;
}

.route-stat-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--color-text-light);
  font-weight: 600;
}

.route-stat-value {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-top: 2px;
  line-height: 1.2;
}

/* --- 主体布局 --- */
.search-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

/* --- 筛选面板 --- */
.filter-panel {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-md);
  align-self: start;
  position: sticky;
  top: calc(var(--header-height) + 64px);
}

.filter-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.filter-panel-header h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  margin: 0;
  color: var(--color-primary-dark);
}

.filter-reset {
  background: none;
  border: none;
  color: var(--color-primary-light);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 0;
}

.filter-reset:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.filter-group {
  margin-bottom: var(--space-md);
}

.filter-group-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-light);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.filter-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0;
  font-size: 0.9rem;
  cursor: pointer;
  user-select: none;
}

.filter-check input[type="checkbox"] {
  accent-color: var(--color-accent);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.filter-check .count {
  color: var(--color-text-light);
  font-size: 0.8rem;
  margin-left: auto;
}

/* 筛选面板移动端切换按钮 */
.filter-toggle-btn {
  display: none;
  width: 100%;
  padding: 0.75rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  cursor: pointer;
  margin-bottom: var(--space-md);
  color: var(--color-primary-dark);
  font-weight: 500;
}

/* --- 排序栏 --- */
.sort-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.sort-tabs {
  display: inline-flex;
  gap: 2px;
  background: var(--color-bg-light);
  padding: 3px;
  border-radius: var(--radius);
}

.sort-tab {
  padding: 0.4rem 0.9rem;
  border: none;
  background: transparent;
  font-size: 0.88rem;
  color: var(--color-text-light);
  cursor: pointer;
  border-radius: 4px;
  font-family: var(--font-body);
  font-weight: 500;
  transition: background 0.15s;
}

.sort-tab:hover {
  color: var(--color-primary-dark);
}

.sort-tab.active {
  background: var(--color-bg);
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-sm);
}

.result-count {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

.result-count strong {
  color: var(--color-primary-dark);
}

/* --- 车次卡片 --- */
.train-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

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

.train-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.train-card-header {
  display: grid;
  grid-template-columns: auto 1fr 1fr 1fr;
  gap: var(--space-md);
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
}

/* 车次号 + 车型徽章 */
.train-no-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 90px;
}

.train-no {
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  letter-spacing: 0.5px;
}

.train-type-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 2px;
}

.train-type-G { background: #fef0e6; color: #d35400; }
.train-type-D { background: #e8f4fd; color: #2980b9; }
.train-type-C { background: #e0f0ea; color: #16a085; }
.train-type-Z { background: #f4e8fd; color: #8e44ad; }
.train-type-T { background: #fff3cd; color: #b8860b; }
.train-type-K { background: #ecf0f1; color: #566573; }
.train-type-O { background: #f8f9fa; color: #7f8c8d; }

/* 时刻 + 车站 */
.station-block {
  display: flex;
  flex-direction: column;
}

.station-time {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  font-family: var(--font-body);
  line-height: 1.1;
}

.station-name {
  font-size: 0.88rem;
  color: var(--color-text-light);
  margin-top: 2px;
}

.station-name-cn {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-light);
  opacity: 0.7;
  margin-top: 1px;
}

.station-block.arrival {
  text-align: right;
}

.day-diff {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.7rem;
  padding: 1px 6px;
  border-radius: 10px;
  margin-left: 4px;
  vertical-align: middle;
  font-weight: 600;
}

/* 时长 */
.duration-block {
  text-align: center;
  position: relative;
}

.duration-line {
  height: 1px;
  background: var(--color-border);
  position: relative;
  margin: var(--space-sm) 0;
}

.duration-line::before,
.duration-line::after {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary-light);
  position: absolute;
  top: -2.5px;
}

.duration-line::before { left: 0; }
.duration-line::after { right: 0; }

.duration-line .arrow {
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-bg-light);
  padding: 0 4px;
  color: var(--color-primary-light);
  font-size: 0.9rem;
}

.duration-text {
  font-size: 0.88rem;
  color: var(--color-text-light);
  font-weight: 500;
}

.duration-speed {
  font-size: 0.75rem;
  color: var(--color-text-light);
  opacity: 0.75;
  margin-top: 4px;
}

/* --- 座位列表（表格形式） --- */
.seats-table {
  width: 100%;
  border-collapse: collapse;
}

.seats-table tr {
  border-bottom: 1px solid var(--color-border);
}

.seats-table tr:last-child {
  border-bottom: none;
}

.seats-table td {
  padding: 0.75rem var(--space-lg);
  font-size: 0.95rem;
  vertical-align: middle;
}

.seats-table .seat-type {
  color: var(--color-text);
  font-weight: 500;
  width: 40%;
}

.seats-table .seat-type-cn {
  color: var(--color-text-light);
  font-size: 0.82rem;
  margin-left: 0.4rem;
  font-weight: 400;
}

.seats-table .seat-price {
  font-weight: 600;
  color: var(--color-primary-dark);
  font-family: var(--font-heading);
  font-size: 1.05rem;
  width: 20%;
}

.seats-table .seat-price .price-cny {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--color-text-light);
  font-family: var(--font-body);
}

.price-cny {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--color-text-light);
}

.seats-table .seat-status {
  width: 20%;
}

.seat-status-pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
}

.seat-status-pill.available { background: #e7f7ef; color: var(--color-success); }
.seat-status-pill.few { background: #fff3e0; color: #e67e22; }
.seat-status-pill.sold-out { background: #f4f4f4; color: #95a5a6; }

.seats-table .seat-action {
  width: 110px;
  text-align: right;
}

.btn-book {
  background: var(--color-accent);
  color: #fff;
  border: none;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-book:hover {
  background: var(--color-accent-hover);
}

.btn-book:disabled {
  background: #bdc3c7;
  cursor: not-allowed;
  opacity: 0.7;
}

.seats-table tr.is-sold-out {
  opacity: 0.55;
}

.seats-table tr.is-sold-out .seat-price,
.seats-table tr.is-sold-out .seat-type {
  color: var(--color-text-light);
  font-weight: 400;
}

/* --- 空状态 / 加载 / 错误 --- */
.state-box {
  background: var(--color-bg);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
  color: var(--color-text-light);
}

.state-box .state-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
  color: var(--color-primary-light);
}

.state-box h3 {
  color: var(--color-primary-dark);
  margin-bottom: var(--space-sm);
}

.state-box.error .state-icon {
  color: var(--color-error);
}

.loading-spinner {
  display: inline-block;
  width: 36px;
  height: 36px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary-light);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

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

.stale-notice {
  background: #fff8e1;
  border: 1px solid #ffc107;
  border-radius: var(--radius);
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-md);
  font-size: 0.88rem;
  color: #7a5900;
}

/* --- 响应式 --- */
@media (max-width: 960px) {
  .search-layout {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .filter-panel {
    position: static;
    display: none;
  }

  .filter-panel.open {
    display: block;
  }

  .filter-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .search-bar-form {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .search-bar-form .field-from,
  .search-bar-form .field-to,
  .search-bar-form .field-date,
  .search-bar-form .btn-search { grid-column: 1; }
  .search-bar-form .swap-btn { display: none; }
}

@media (max-width: 640px) {
  .train-card-header {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
    padding: var(--space-md);
  }

  .train-no-block {
    grid-column: 1 / 3;
    flex-direction: row;
    align-items: center;
    gap: var(--space-sm);
  }

  .duration-block {
    grid-column: 1 / 3;
    order: 3;
  }

  .station-block.arrival { text-align: right; }
  .station-time { font-size: 1.2rem; }

  .seats-table td {
    padding: 0.6rem var(--space-md);
    font-size: 0.88rem;
  }

  .seats-table .seat-type { width: auto; }
  .seats-table .seat-type-cn { display: none; }
  .seats-table .seat-action { width: auto; }

  .btn-book { padding: 0.4rem 0.8rem; font-size: 0.82rem; }

  .route-summary-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .progress-steps-compact {
    padding: var(--space-xs) 0 var(--space-sm);
  }

  .progress-steps-compact .step-num {
    width: 20px;
    height: 20px;
    font-size: 0.62rem;
  }

  .progress-steps-compact .step-label {
    font-size: 0.6rem;
  }

  .progress-steps-compact .step-line {
    width: 24px;
    margin-bottom: 14px;
  }
}