* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --primary: #4F46E5;
  --primary-light: #6366F1;
  --bg: #0F172A;
  --card: #1E293B;
  --card-hover: #334155;
  --text: #F1F5F9;
  --text-dim: #94A3B8;
  --border: #334155;
  --success: #22C55E;
  --danger: #EF4444;
  --warning: #F59E0B;
  --exp-color: #3B82F6;
  --exp-bg: rgba(59, 130, 246, 0.12);
  --exp-border: rgba(59, 130, 246, 0.4);
  --tgt-color: #F97316;
  --tgt-bg: rgba(249, 115, 22, 0.12);
  --tgt-border: rgba(249, 115, 22, 0.4);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ====== 选择角色页 ====== */
#role-select {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  gap: 30px;
  position: relative;
}

.role-page-actions {
  position: absolute;
  top: 16px;
  right: 16px;
  display: flex;
  gap: 8px;
}

.role-action-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.role-action-btn:hover {
  background: var(--card-hover);
  color: var(--text);
  transform: scale(1.08);
}

#role-select h1 {
  font-size: 28px;
  background: linear-gradient(135deg, var(--exp-color), var(--tgt-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.role-cards {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

@media (min-width: 900px) {
  .role-cards {
    flex-wrap: nowrap;
  }
}

.role-card {
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: 20px;
  padding: 40px 30px;
  width: 260px;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.role-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 40px rgba(79, 70, 229, 0.2);
}

.role-card:active {
  transform: scale(0.96);
  transition-duration: 0.05s;
}

.role-card.exp:hover { border-color: var(--exp-color); box-shadow: 0 10px 40px rgba(59, 130, 246, 0.2); }
.role-card.exp:active { border-color: var(--exp-color); background: var(--exp-bg); }
.role-card.tgt:hover { border-color: var(--tgt-color); box-shadow: 0 10px 40px rgba(249, 115, 22, 0.2); }
.role-card.tgt:active { border-color: var(--tgt-color); background: var(--tgt-bg); }
.role-card.solo:hover { border-color: var(--success); box-shadow: 0 10px 40px rgba(34, 197, 94, 0.2); }
.role-card.solo:active { border-color: var(--success); background: rgba(34, 197, 94, 0.12); }
.role-card .icon { font-size: 48px; margin-bottom: 16px; }
.role-card h2 { font-size: 20px; margin-bottom: 8px; }
.role-card p { color: var(--text-dim); font-size: 14px; line-height: 1.6; }

/* ====== 连接等待页 ====== */
#connecting {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  gap: 20px;
}

.connecting-spinner {
  font-size: 48px;
  animation: pulse 1.5s infinite;
}

.connecting-text {
  font-size: 18px;
  color: var(--text-dim);
}

.connecting-sub {
  font-size: 14px;
  color: var(--text-dim);
  max-width: 300px;
  text-align: center;
  line-height: 1.6;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

@keyframes wave {
  0%, 100% { height: 5px; }
  50% { height: 14px; }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.btn {
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 12px;
  padding: 14px 28px;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn:hover { background: var(--primary-light); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #DC2626; }
.btn-success { background: var(--success); }
.btn-success:hover { background: #16A34A; }
.btn-sm { padding: 8px 16px; font-size: 14px; }

/* ====== 配对页面 ====== */
#pairing {
  display: none;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}
.pair-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  gap: 16px;
}
.pair-role-badge {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
}
.pair-role-badge.controller { background: var(--exp-bg); color: var(--exp-color); border: 1px solid var(--exp-border); }
.pair-role-badge.display { background: var(--tgt-bg); color: var(--tgt-color); border: 1px solid var(--tgt-border); }
.pair-code-box {
  background: var(--card);
  border: 2px dashed var(--border);
  border-radius: 16px;
  padding: 24px 40px;
  text-align: center;
}
.pair-code-label {
  font-size: 14px;
  color: var(--text-dim);
  margin-bottom: 8px;
}
.pair-code-value {
  font-size: 56px;
  font-weight: 800;
  letter-spacing: 16px;
  font-family: 'Courier New', monospace;
  color: var(--primary-light);
}
.pair-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--text-dim);
  font-size: 13px;
  width: 100%;
  max-width: 320px;
}
.pair-divider::before,
.pair-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.pair-input-group {
  display: flex;
  gap: 8px;
  align-items: center;
}
.pair-input {
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 10px;
  text-align: center;
  width: 120px;
  color: var(--text);
  font-family: 'Courier New', monospace;
  text-transform: uppercase;
}
.pair-input:focus {
  outline: none;
  border-color: var(--primary-light);
}
.pair-input::placeholder {
  font-size: 18px;
  letter-spacing: 2px;
  color: var(--text-dim);
  opacity: 0.5;
}
.pair-status {
  font-size: 13px;
  color: var(--text-dim);
  min-height: 20px;
}
.pair-status.error { color: var(--danger); }

/* ====== 主界面 ====== */
#app {
  display: none;
  height: 100vh;
  flex-direction: column;
}

/* 顶部状态栏 */
.top-bar {
  background: var(--card);
  padding: 6px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  gap: 6px;
}

.top-bar .left {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.top-bar .title {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

.top-bar .title.exp-title { color: var(--exp-color); }
.top-bar .title.tgt-title { color: var(--tgt-color); }

.top-bar .status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-dim);
  white-space: nowrap;
}

/* 顶栏中间：通话控制 */
.top-bar .call-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
}

.top-bar .call-controls .call-status-text {
  font-size: 12px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 6px;
}

.top-bar .call-controls .wave {
  display: inline-flex;
  gap: 2px;
  align-items: center;
  height: 14px;
}

.top-bar .call-controls .wave span {
  display: inline-block;
  width: 2px;
  height: 5px;
  background: var(--success);
  border-radius: 1px;
  animation: wave 1.2s ease-in-out infinite;
}

.top-bar .call-controls .wave span:nth-child(2) { animation-delay: 0.1s; }
.top-bar .call-controls .wave span:nth-child(3) { animation-delay: 0.2s; }
.top-bar .call-controls .wave span:nth-child(4) { animation-delay: 0.3s; }
.top-bar .call-controls .wave span:nth-child(5) { animation-delay: 0.4s; }

/* 顶栏按钮 */
.top-btn {
  width: 32px; height: 32px;
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  background: transparent;
  color: white;
  flex-shrink: 0;
}

.top-btn:hover { background: var(--card-hover); transform: scale(1.05); }
.top-btn.call-active { background: var(--danger); border-color: var(--danger); }
.top-btn.call-inactive { background: var(--success); border-color: var(--success); }
.top-btn.mic-off { background: var(--danger); border-color: var(--danger); }

.top-bar .right {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.top-btn-action {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid;
  background: transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
}

#connect-btn {
  border-color: #3b82f6;
  color: #3b82f6;
}
#connect-btn:hover:not(:disabled) {
  background: #3b82f6;
  color: white;
}
#connect-btn:disabled {
  border-color: #888;
  color: #888;
  cursor: not-allowed;
}
#connect-btn.connecting {
  border-color: #f59e0b;
  color: #f59e0b;
}
#connect-btn.connecting:hover {
  background: #f59e0b;
  color: white;
}
#connect-btn.connected {
  border-color: #ef4444;
  color: #ef4444;
}
#connect-btn.connected:hover:not(:disabled) {
  background: #ef4444;
  color: white;
}

#report-btn {
  border-color: #10b981;
  color: #10b981;
}
#report-btn:hover {
  background: #10b981;
  color: white;
}

#clear-btn {
  border-color: #ef4444;
  color: #ef4444;
}
#clear-btn:hover {
  background: #ef4444;
  color: white;
}

#exit-btn {
  border-color: #888;
  color: #888;
}
#exit-btn:hover {
  background: #888;
  color: white;
}

.status-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--success);
  transition: background 0.3s;
}

.status-dot.offline { background: var(--danger); }

/* 主内容区 */
.main-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  gap: 16px;
}

/* ====== 实验车：左侧树状场景列表 ====== */
.scene-list {
  width: 30%;
  min-width: 200px;
  flex: 3;
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow-y: auto;
  background: var(--card);
  border-radius: 14px;
  border: 1px solid var(--border);
}

.scene-list-title {
  font-size: 13px;
  color: var(--text-dim);
  padding: 12px 14px 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
}

/* 树状图节点 */
.tree-node {
  user-select: none;
}

.tree-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  cursor: pointer;
  transition: background 0.15s;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  border-left: 3px solid transparent;
}

.tree-label:hover {
  background: var(--card-hover);
}

/* 第一级：试验场 */
.tree-label.level-0 {
  font-size: 15px;
  padding: 12px 14px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}

.tree-label.level-0:hover {
  background: rgba(255,255,255,0.05);
}

/* 第二级：功能 */
.tree-label.level-1 {
  padding-left: 24px;
  font-size: 13px;
  color: var(--text-dim);
  border-left: 3px solid transparent;
}

.tree-label.level-1:hover {
  color: var(--text);
  border-left-color: var(--exp-color);
}

.tree-label.level-1.expanded {
  color: var(--text);
  border-left-color: var(--exp-color);
  background: rgba(59, 130, 246, 0.06);
}

/* 第三级：具体场景（叶子节点） */
.tree-label.level-2 {
  padding-left: 40px;
  font-size: 13px;
  font-weight: 400;
  color: var(--text-dim);
  border-left: 3px solid transparent;
  cursor: pointer;
}

.tree-label.level-2:hover {
  color: var(--text);
  background: var(--card-hover);
  border-left-color: var(--tgt-color);
}

.tree-label.level-2.active {
  color: var(--exp-color);
  background: var(--exp-bg);
  border-left-color: var(--exp-color);
  font-weight: 600;
}

/* 树的展开/折叠箭头 */
.tree-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  font-size: 10px;
  transition: transform 0.2s;
  color: var(--text-dim);
  flex-shrink: 0;
}

.tree-arrow.expanded {
  transform: rotate(90deg);
}

.tree-arrow.leaf {
  visibility: hidden;
}

/* 子树容器 */
.tree-children {
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.tree-children.collapsed {
  max-height: 0 !important;
}

/* 叶子节点无子项时的占位提示 */
.tree-empty-leaf {
  padding: 8px 14px 8px 40px;
  font-size: 12px;
  color: var(--text-dim);
  font-style: italic;
}

/* ====== 评分表格栏 ====== */
.rating-panel {
  width: 30%;
  min-width: 200px;
  flex: 3;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
}

.rating-panel-title {
  font-size: 13px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0 4px;
  flex-shrink: 0;
}

.rating-card {
  background: var(--card);
  border-radius: 14px;
  border: 1px solid var(--border);
  overflow: hidden;
}

.rating-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  font-weight: 600;
}

.rating-card-header .label {
  color: var(--text-dim);
  font-size: 12px;
}

.rating-card-header .name {
  color: var(--text);
}

.rating-table {
  width: 100%;
  border-collapse: collapse;
}

.rating-table th,
.rating-table td {
  padding: 10px 8px;
  text-align: center;
  font-size: 13px;
  border-bottom: 1px solid rgba(51, 65, 85, 0.5);
}

.rating-table th {
  background: rgba(255,255,255,0.03);
  color: var(--text-dim);
  font-weight: 600;
  font-size: 12px;
  padding: 10px 12px;
  white-space: nowrap;
}

.rating-table th:first-child {
  text-align: left;
  padding-left: 16px;
}

.rating-table td:first-child {
  text-align: left;
  padding-left: 16px;
  font-weight: 500;
  color: var(--text);
}

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

.rating-cell {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 40px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 700;
  font-size: 18px;
  transition: all 0.15s;
  user-select: none;
  border: 2px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text-dim);
  position: relative;
}

.rating-cell:hover {
  border-color: var(--text-dim);
  transform: scale(1.08);
}

.rating-cell.has-value {
  border-color: transparent;
  color: #fff;
}

.rating-cell.confirmed {
  opacity: 0.85;
  cursor: default !important;
}

.rating-cell.max-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-dim);
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
}

/* 10分制渐变 */
.rating-cell.s10-1  { background: hsl(0, 85%, 55%); }
.rating-cell.s10-2  { background: hsl(15, 85%, 52%); }
.rating-cell.s10-3  { background: hsl(30, 85%, 50%); }
.rating-cell.s10-4  { background: hsl(42, 90%, 50%); }
.rating-cell.s10-5  { background: hsl(50, 92%, 48%); }
.rating-cell.s10-6  { background: hsl(70, 75%, 42%); }
.rating-cell.s10-7  { background: hsl(95, 70%, 40%); }
.rating-cell.s10-8  { background: hsl(120, 65%, 38%); }
.rating-cell.s10-9  { background: hsl(140, 60%, 36%); }
.rating-cell.s10-10 { background: hsl(155, 70%, 34%); }

/* 5分制渐变 */
.rating-cell.s5-1 { background: hsl(0, 85%, 55%); }
.rating-cell.s5-2 { background: hsl(25, 80%, 52%); }
.rating-cell.s5-3 { background: hsl(70, 75%, 42%); }
.rating-cell.s5-4 { background: hsl(120, 65%, 38%); }
.rating-cell.s5-5 { background: hsl(155, 70%, 34%); }

/* 评分确认按钮 */
.rating-confirm-wrap {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
}

.rating-confirm-btn {
  width: 100%;
  padding: 10px;
  border-radius: 10px;
  border: none;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--success);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.rating-confirm-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.rating-confirm-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  filter: none;
}

.rating-confirm-btn.confirmed {
  background: var(--primary);
  cursor: default;
}

/* 已完成场景的勾选标识 */
.tree-label.level-2.completed {
  color: var(--success);
  background: rgba(46, 160, 67, 0.08);
}

.tree-label.level-2.completed::after {
  content: ' ✓';
  color: var(--success);
  font-weight: 700;
  margin-left: 4px;
}

/* 第二级全部完成时高亮 */
.tree-label.level-1.completed {
  color: var(--success);
  border-left-color: var(--success);
}

.tree-label.level-1.completed::after {
  content: ' ✓';
  color: var(--success);
  font-weight: 700;
  margin-left: 4px;
}

/* ====== 展示区域 ====== */
.display-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* 实验车预览面板 */
.preview-panel {
  flex: 1;
  border-radius: 14px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  text-align: center;
  overflow-y: auto;
}

.preview-panel .empty {
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 12px;
}

.preview-panel .empty .icon { font-size: 48px; }

/* 场景详情卡片 - 实验车视图（完整5项） */
.scene-detail {
  display: none;
  width: 100%;
  animation: fadeSlideUp 0.3s ease;
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.scene-detail-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
}

.scene-detail-header .badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
}

.badge-exp {
  background: var(--exp-bg);
  color: var(--exp-color);
  border: 1px solid var(--exp-border);
}

.badge-tgt {
  background: var(--tgt-bg);
  color: var(--tgt-color);
  border: 1px solid var(--tgt-border);
}

.scene-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.info-card {
  background: var(--card);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  border: 1px solid var(--border);
}

.info-card.full-width {
  grid-column: 1 / -1;
}

.info-card .info-label {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.info-card .info-value {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.2;
}

.info-card .info-value.speed { color: var(--exp-color); }
.info-card .info-value.target-speed { color: var(--tgt-color); }
.info-card .info-value.accel { color: #A78BFA; }
.info-card .info-value.distance { color: #34D399; }
.info-card .info-value.pass { color: #FBBF24; }

.info-card .info-unit {
  font-size: 13px;
  color: var(--text-dim);
  font-weight: 400;
  margin-left: 2px;
}

.scene-image-container {
  background: var(--card);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.scene-image-container img {
  width: 100%;
  max-height: 300px;
  object-fit: contain;
  display: block;
}

/* ====== 目标车展示端 ====== */
.target-display {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.target-display .waiting {
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.target-display .waiting .icon {
  font-size: 64px;
  animation: pulse 2s infinite;
}

.target-detail {
  display: none;
  width: 100%;
  max-width: 500px;
  animation: fadeSlideUp 0.4s ease;
}

/* Toast */
.toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--card);
  border: 1px solid var(--border);
  padding: 12px 24px;
  border-radius: 12px;
  font-size: 14px;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.toast.show { opacity: 1; }

/* ====== 响应式 ====== */
/* 竖屏（实验车）：从上至下 → 场景 / 工况 / 评分 */
@media (max-width: 900px) {
  .main-content {
    flex-direction: column;
  }
  .scene-list {
    width: 100% !important;
    flex: none !important;
    min-width: 0 !important;
    max-height: 30vh;
    border-radius: 12px;
  }
  .display-area {
    flex: none !important;
    min-height: 30vh;
  }
  .rating-panel {
    width: 100% !important;
    flex: none !important;
    min-width: 0 !important;
  }
}

/* 横屏（实验车）：三栏比例 3:4:3 */
@media (min-width: 901px) {
  .scene-list {
    flex: 3;
  }
  .display-area {
    flex: 4;
  }
  .rating-panel {
    flex: 3;
  }
}

/* 滚动条 */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ====== 问题记录页 ====== */
#issues-page {
  display: none;
  flex-direction: column;
  min-height: 100vh;
  background: var(--bg);
}

.issues-header {
  background: var(--card);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.issues-header .back-btn {
  width: 32px; height: 32px;
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--text);
  transition: all 0.15s;
}
.issues-header .back-btn:hover {
  background: var(--card-hover);
  transform: scale(1.05);
}

.issues-header .title {
  font-size: 16px;
  font-weight: 600;
}

.issues-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.issues-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 60vh;
  color: var(--text-dim);
  gap: 12px;
}
.issues-empty .icon { font-size: 48px; }

.issues-date-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  margin-top: 12px;
  margin-bottom: 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.issues-vehicle-group {
  margin-bottom: 20px;
}

.issues-vehicle-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  padding: 8px 12px;
  background: var(--card);
  border-radius: 10px 10px 0 0;
  border: 1px solid var(--border);
  border-bottom: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.issues-vehicle-title .vehicle-badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 6px;
  font-weight: 500;
}
.issues-vehicle-title .vehicle-badge.exp { background: var(--exp-bg); color: var(--exp-color); }
.issues-vehicle-title .vehicle-badge.tgt { background: var(--tgt-bg); color: var(--tgt-color); }
.issues-vehicle-title .vehicle-badge.solo { background: rgba(34,197,94,0.12); color: #22c55e; }

.issues-table-wrap {
  background: var(--card);
  border-radius: 0 0 10px 10px;
  border: 1px solid var(--border);
  border-top: 1px solid var(--border);
  overflow-x: auto;
}

.issues-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.issues-table th {
  background: rgba(255,255,255,0.03);
  color: var(--text-dim);
  font-weight: 600;
  font-size: 12px;
  padding: 10px 12px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}

.issues-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(51,65,85,0.3);
  color: var(--text);
  vertical-align: top;
}

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

.issues-table .scenario-path {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 2px;
}

.issues-table .issue-text {
  color: #FCA5A5;
  max-width: 300px;
  line-height: 1.5;
}

.issues-table .data-no {
  font-family: 'Courier New', monospace;
  color: var(--primary-light);
  font-weight: 600;
}

.issues-table .time-text {
  font-size: 11px;
  color: var(--text-dim);
  white-space: nowrap;
}

.issues-table .no-issue {
  color: var(--text-dim);
  font-style: italic;
}

.issues-delete-row {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 14px;
  padding: 4px;
  border-radius: 4px;
  transition: all 0.15s;
}
.issues-delete-row:hover {
  color: var(--danger);
  background: rgba(239,68,68,0.1);
}

.issues-actions-bar {
  display: flex;
  gap: 8px;
  align-items: center;
}

.issues-action-btn {
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.issues-action-btn:hover {
  background: var(--card-hover);
  color: var(--text);
}
.issues-action-btn.danger { border-color: #ef4444; color: #ef4444; }
.issues-action-btn.danger:hover { background: #ef4444; color: white; }