.milestone-count {
  font-size: 13px;
  color: var(--color-text-tertiary);
}

.milestone-count strong {
  color: var(--primary);
  font-size: 16px;
}

.milestone-btn {
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 20px;
  transition: background 0.2s;
}

.milestone-btn:hover {
  background: var(--primary-dark);
}

/* ==================== 成就系统 ==================== */
#achievements-section {
  padding-bottom: 24px;
}

.achievement-overview-card {
  background: var(--card-background);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.achievement-overview-icon {
  font-size: 42px;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 6px color-mix(in srgb, var(--color-primary) 30%, transparent));
}

.achievement-overview-content {
  flex: 1;
  min-width: 0;
}

.achievement-overview-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 6px 0;
}

.achievement-overview-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.achievement-unlocked-count {
  color: var(--color-primary);
  font-weight: 700;
  font-size: 15px;
}

.achievement-total-count {
  color: var(--text-primary);
  font-weight: 600;
}

.achievement-progress-bar {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  width: 100%;
}

.achievement-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--primary-light));
  border-radius: 3px;
  transition: width 0.5s ease;
}

.achievement-refresh-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
  cursor: pointer;
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: all 0.2s;
}
.achievement-refresh-btn:hover {
  background: var(--background-light);
  color: var(--color-primary);
}

.achievement-category-group {
  margin-bottom: 24px;
}

.achievement-category-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 12px 0;
  padding-left: 10px;
  border-left: 3px solid var(--color-primary);
}

.achievement-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}

/* ——— 成就徽章卡片 ——— */
.achievement-card {
  background: transparent;
  border: none;
  border-radius: 12px;
  padding: 0;
  cursor: pointer;
}
.achievement-card.unlocked {
  opacity: 1;
}

.achievement-card-front {
  display: flex;
  flex-direction: row;
  align-items: center;
  text-align: left;
  gap: 12px;
  padding: 12px 14px;
  background: var(--card-background);
  border: 1px solid var(--border);
  border-radius: 12px;
  opacity: 0.55;
  transition: all 0.2s ease;
  height: 100%;
  box-sizing: border-box;
}

.achievement-card.unlocked .achievement-card-front {
  opacity: 1;
}
.achievement-card.fully-unlocked .achievement-card-front {
  opacity: 1;
  border-color: var(--primary);
  box-shadow: 0 1px 6px color-mix(in srgb, var(--primary) 10%, transparent);
}

.achievement-card-front:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  border-color: var(--color-primary);
}

.achievement-badge {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 2px solid;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex-shrink: 0;
}

.achievement-badge-icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.achievement-badge-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.achievement-badge-level {
  position: absolute;
  bottom: -6px;
  right: -8px;
  background: var(--card-background);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 9px;
  font-weight: 700;
  padding: 1px 4px;
  color: var(--text-primary);
  white-space: nowrap;
}

.achievement-card-content {
  width: 100%;
}

.achievement-card-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
  line-height: 1.3;
}

.achievement-card-description {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.achievement-card-unlocked-tag {
  display: inline-block;
  font-size: 10px;
  background: var(--color-primary);
  color: #fff;
  padding: 2px 8px;
  border-radius: 6px;
  font-weight: 600;
  margin-top: 4px;
}

.achievement-card-progress {
  display: flex;
  align-items: center;
  gap: 8px;
}

.achievement-card-progress-bar {
  flex: 1;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.achievement-card-progress-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.5s ease;
}

.achievement-card-progress-text {
  font-size: 11px;
  color: var(--text-tertiary);
  font-weight: 600;
  white-space: nowrap;
}


.achievement-empty {
  text-align: center;
  padding: 48px 20px;
}

.achievement-empty-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.achievement-empty-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.achievement-empty-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ==================== 首页最近成就模块 ==================== */
.recent-achievements {
  background: var(--card-background);
  border: 1px solid var(--border);
  border-radius: var(--radius-md, 10px);
  padding: 14px;
  margin: 0 16px 16px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}

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

.recent-achievements-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}

.recent-achievements-more {
  background: transparent;
  border: none;
  color: var(--color-primary);
  font-size: 12px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: background 0.2s;
}
.recent-achievements-more:hover {
  background: var(--background-light);
}

.recent-achievements-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.recent-achievements-list .recent-achievement-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: 8px;
  transition: background 0.2s;
}
.recent-achievements-list .recent-achievement-item:hover {
  background: var(--background-light);
}

.recent-achievements-list .recent-achievement-badge {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 2px solid;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.recent-achievements-list .recent-achievement-badge svg {
  width: 20px;
  height: 20px;
  display: block;
}

.recent-achievements-list .recent-achievement-content {
  flex: 1;
  min-width: 0;
}

.recent-achievements-list .recent-achievement-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.recent-achievement-desc {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.recent-achievement-level {
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

/* ==================== 徽章解锁弹窗 ==================== */
.achievement-popup-overlay {
  z-index: 10002;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.achievement-popup-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.achievement-popup {
  background: var(--card-background);
  border-radius: 24px;
  max-width: 360px;
  width: 88%;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  perspective: 1000px;
  text-align: center;
  animation: achievementPop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  max-height: 90vh;
  overflow-y: auto;
  overscroll-behavior: contain;
}

@keyframes achievementPop {
  0% { transform: scale(0.3) rotate(-10deg); opacity: 0; }
  60% { transform: scale(1.08) rotate(2deg); }
  100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

/* 3D 翻转容器 */
.popup-flip-inner {
  position: relative;
  width: 100%;
  transition: transform 0.5s ease;
  transform-style: preserve-3d;
}
.popup-flip-inner.flipped {
  transform: rotateY(180deg);
}

.popup-flip-front,
.popup-flip-back {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  padding: 36px 28px 28px;
  border-radius: 24px;
  background: var(--card-background);
}
.popup-flip-front {
  /* normal flow */
}
.popup-flip-back {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.achievement-popup-badge {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  border: 4px solid;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  position: relative;
  z-index: 1;
}

.achievement-popup-icon {
  font-size: 46px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.achievement-popup-icon svg {
  width: 46px;
  height: 46px;
  display: block;
}

.achievement-popup-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.achievement-popup-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.achievement-popup-description {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 14px;
}

.achievement-popup-progress {
  margin-bottom: 12px;
}
.achievement-popup-level {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-primary), var(--primary-light));
  color: #fff;
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 10px;
}
.achievement-popup-progress-bar {
  height: 5px; background: var(--border);
  border-radius: 3px; overflow: hidden; margin: 8px 0 4px;
}
.achievement-popup-progress-fill {
  height: 100%; border-radius: 3px; transition: width 0.5s ease;
}
.achievement-popup-progress-text {
  font-size: 11px; color: var(--text-secondary);
}

.achievement-popup-unlocked-date {
  font-size: 11px; color: var(--text-secondary);
  margin-bottom: 12px;
}

/* 等级条件：竖向步骤 */
.popup-level-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 14px;
  text-align: left;
}
.popup-level-step {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  font-size: 12px;
  color: var(--text-tertiary);
  transition: color 0.2s;
}
.popup-level-step.done {
  color: var(--text-primary);
}
.popup-level-step.current {
  color: var(--color-primary);
  font-weight: 600;
}
.popup-level-dot {
  width: 22px; height: 22px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 700;
  background: var(--color-bg-hover);
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: all 0.3s;
}
.popup-level-step.done .popup-level-dot {
  background: var(--color-primary);
  color: #fff;
}
.popup-level-step.current .popup-level-dot {
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 15%, transparent);
}
.popup-level-desc {
  flex: 1;
}

/* 翻页按钮 */
.popup-flip-btn {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-bg-surface);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 4px;
}
.popup-flip-btn:hover {
  background: var(--color-primary-subtle);
  border-color: var(--color-primary);
}

/* 背面 */
.popup-back-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.popup-back-return {
  background: none; border: none;
  color: var(--color-primary);
  font-size: 13px; font-weight: 600;
  cursor: pointer; padding: 0;
}
.popup-back-count {
  font-size: 11px; color: var(--text-tertiary);
}
.popup-back-trips-list {
  display: flex; flex-direction: column; gap: 4px;
  overflow-y: auto; max-height: 300px;
  text-align: left;
}

.popup-trip-item {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px; border-radius: 8px; cursor: pointer;
  transition: background 0.15s; font-size: 12px;
}
.popup-trip-item:hover { background: var(--color-bg-hover); }
.popup-trip-train {
  font-weight: 600; color: var(--text-primary); flex-shrink: 0;
  min-width: 48px;
  font-family: var(--font-mono);
}
.popup-trip-route { flex: 1; color: var(--text-secondary); }
.popup-trip-date { color: var(--text-tertiary); flex-shrink: 0; font-size: 11px; }

.achievement-popup-close {
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: background 0.2s;
  margin-top: 16px;
}
.achievement-popup-close:hover {
  background: var(--primary-dark);
}

/* ---- 记忆卡片详情弹窗 ---- */
.memory-detail-modal {
  background: var(--card-background);
  border-radius: var(--radius-xl);
  padding: 0;
  max-width: 520px;
  width: 92%;
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.memory-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px 14px;
  border-bottom: 1px solid var(--color-border-light);
}

.memory-detail-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0;
}

.memory-detail-close {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 150ms ease, background-color 150ms ease;
}

.memory-detail-close:hover {
  color: var(--color-text-primary);
  background-color: var(--color-bg-surface);
}

.memory-detail-list {
  padding: 8px 0;
  overflow-y: auto;
  flex: 1;
}

.memory-detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  cursor: pointer;
  transition: background-color 120ms ease;
  border-bottom: 1px solid var(--color-border-light);
}

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

.memory-detail-item:hover {
  background-color: var(--color-bg-surface);
}

.memory-detail-item-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.memory-detail-train {
  font-size: 14px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  background-color: color-mix(in srgb, var(--primary) 15%, transparent);
  color: var(--primary);
  white-space: nowrap;
  flex-shrink: 0;
}

.memory-detail-train-bold {
  font-size: 15px;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 35%, transparent);
}

.memory-detail-route {
  font-size: 14px;
  color: var(--color-text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.memory-detail-hl {
  font-weight: 700;
  color: var(--primary);
}

.memory-detail-item-right {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-secondary);
  font-size: 13px;
  flex-shrink: 0;
}

.memory-detail-item-right svg {
  color: var(--color-text-tertiary);
}

.memory-detail-time {
  font-size: 12px;
  color: var(--color-text-tertiary);
  white-space: nowrap;
}

.memory-detail-extra {
  font-size: 12px;
  color: var(--color-text-tertiary);
  white-space: nowrap;
  flex-shrink: 0;
}

.memory-detail-station-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.memory-detail-empty {
  padding: 40px 24px;
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 14px;
}

/* ---- 洞察说明正文（弹窗内） ---- */
.memory-detail-body {
  padding: 12px 24px 4px;
}

.memory-detail-insight-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-primary);
  margin: 0;
}

.memory-detail-insight-bold {
  font-weight: 700;
  color: var(--primary);
}

/* ---- 弹窗底部"查看更多" ---- */
.memory-detail-more {
  padding: 6px 24px 0;
  font-size: 12px;
  color: var(--color-text-tertiary);
  text-align: center;
}

/* ---- 统计页洞察卡片（从首页跳转来） ---- */
.insight-card {
  background: var(--card-background);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: 16px 20px;
  margin-bottom: 12px;
  transition: all 0.2s;
}

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

.insight-card-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 2px 8px;
  border-radius: 20px;
  background: var(--color-bg-hover);
  color: var(--color-text-tertiary);
}

.insight-card-close {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 18px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}

.insight-card-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 8px 0;
}

.insight-card-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin: 0 0 14px 0;
}

.insight-card-bold {
  font-weight: 700;
  color: var(--primary);
}

.insight-card-tickets {
  border-top: 1px solid var(--color-border-light);
  padding-top: 12px;
}

.insight-card-ticket {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background-color 120ms ease;
}

.insight-card-ticket:hover {
  background-color: var(--color-bg-surface);
}