/* =========================================================
   Tesla Cyber Dark UI System - 极致车主体验重构版
   专注核心：车况 · 续航 · 控制 · 实时定位 · 行程与轨迹 · 充电
   ========================================================= */

:root {
  --bg-app: #06080f;
  --bg-card: #0e1322;
  --bg-card-elevated: #151c30;
  --bg-card-hover: #1c2540;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --border-accent: rgba(0, 229, 255, 0.35);

  --text-main: #f0f3f8;
  --text-dim: #8e99b2;
  --text-dimmer: #545e75;

  --tesla-red: #e82127;
  --accent: #00e5ff;
  --accent-glow: rgba(0, 229, 255, 0.4);
  --green: #00e676;
  --green-glow: rgba(0, 230, 118, 0.3);
  --orange: #ff9800;
  --purple: #b388ff;

  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-pill: 9999px;

  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(0, 229, 255, 0.18);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'PingFang SC', 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-app);
  color: var(--text-main);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  padding-bottom: calc(72px + var(--safe-bottom));
}

/* ================= 布局系统 ================= */
.app {
  display: flex;
  min-height: 100vh;
}

/* 桌面侧边栏 */
.sidebar {
  width: 260px;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  padding: 28px 16px;
  position: fixed;
  height: 100vh;
  display: flex;
  flex-direction: column;
  z-index: 100;
}

.logo-area {
  padding: 0 12px 28px;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.logo {
  font-size: 24px;
  font-weight: 900;
  color: var(--tesla-red);
  letter-spacing: 3px;
}
.car-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.nav a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}
.nav a:hover {
  color: var(--text-main);
  background: var(--bg-card-elevated);
}
.nav a.active {
  color: #000;
  background: linear-gradient(135deg, #00e5ff, #00b4d8);
  box-shadow: 0 4px 16px rgba(0, 229, 255, 0.35);
}
.nav a.active .nav-icon {
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.2));
}

.sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* 主内容区域 */
.main {
  flex: 1;
  margin-left: 260px;
  padding: 28px 36px;
  max-width: 1400px;
}

/* ================= 移动端底部导航（3-Tab） ================= */
.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(14, 19, 34, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  z-index: 999;
  padding-bottom: var(--safe-bottom);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
}

.mobile-nav a {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 0 8px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 11px;
  font-weight: 500;
  gap: 4px;
  transition: all 0.2s;
  cursor: pointer;
}

.mobile-nav-icon {
  font-size: 20px;
  line-height: 1;
  transition: transform 0.2s;
}

.mobile-nav a.active {
  color: var(--accent);
  font-weight: 700;
}
.mobile-nav a.active .mobile-nav-icon {
  transform: translateY(-2px) scale(1.1);
  filter: drop-shadow(0 2px 8px var(--accent-glow));
}

/* ================= 通用卡片与标题 ================= */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.card-elevated {
  background: var(--bg-card-elevated);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.3px;
}

.page-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}
.page-main-title {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.page-sub-title {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 4px;
}

/* ================= 仪表盘 1. 顶部栏 ================= */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.car-info {
  display: flex;
  flex-direction: column;
}
.car-title {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #fff;
}
.car-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 2px;
}
.status-indicator {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}
.status-indicator.offline {
  background: var(--tesla-red);
  box-shadow: 0 0 8px var(--tesla-red);
}
.status-indicator.asleep {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.refresh-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-dim);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}
.refresh-btn:hover {
  color: #fff;
  border-color: var(--border-strong);
  background: var(--bg-card-elevated);
}
.refresh-btn:active .refresh-icon {
  transform: rotate(180deg);
}
.refresh-icon {
  font-size: 16px;
  transition: transform 0.4s ease;
}

/* 状态药丸 (Status Pill) */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
}
.status-pill.driving {
  background: rgba(0, 229, 255, 0.12);
  color: var(--accent);
  border-color: var(--border-accent);
}
.status-pill.charging {
  background: rgba(0, 230, 118, 0.12);
  color: var(--green);
  border-color: rgba(0, 230, 118, 0.3);
}
.status-pill.parked {
  color: var(--text-dim);
}
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.status-dot.pulsing {
  animation: pulse 1.5s infinite;
}
@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.6; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.6; }
}

/* 警告横幅 */
.cloud-banner {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.cloud-banner.danger {
  background: rgba(232, 33, 39, 0.15);
  border: 1px solid rgba(232, 33, 39, 0.4);
  color: #ff8a80;
}
.cloud-banner.sleep {
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.3);
  color: #80d8ff;
}

/* ================= 仪表盘 2. 核心电量卡片 ================= */
.hero-battery-card {
  background: linear-gradient(145deg, #10162a 0%, #0a0e1a 100%);
  border: 1px solid var(--border-strong);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), var(--shadow-glow);
  margin-bottom: 18px;
}

.battery-flex {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 16px;
}
.battery-num-wrap {
  display: flex;
  align-items: baseline;
}
.battery-val {
  font-size: 64px;
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -2px;
  background: linear-gradient(180deg, #ffffff 40%, #a0b0d0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.battery-pct {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  margin-left: 4px;
}
.battery-sub {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 6px;
  font-weight: 500;
}

.range-box {
  text-align: right;
}
.range-val {
  font-size: 32px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.range-unit {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 1px;
  margin-top: 4px;
}

/* 发光进度条 */
.battery-track {
  height: 10px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 5px;
  position: relative;
  overflow: hidden;
  margin-bottom: 20px;
}
.battery-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #00b4d8 0%, #00e5ff 70%, #00e676 100%);
  border-radius: 5px;
  position: relative;
  transition: width 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.battery-glow {
  position: absolute;
  top: 0;
  right: 0;
  width: 20px;
  height: 100%;
  background: #fff;
  filter: blur(3px);
  opacity: 0.7;
}

/* ================= 实时放电与能耗拆解栏 ================= */
.power-breakdown-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 8px 14px;
  gap: 10px;
  flex-wrap: wrap;
}

.power-total-tag {
  font-size: 13px;
  letter-spacing: 0.2px;
}

.power-consumers-list {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.consumer-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--bg-card-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  font-size: 12px;
}
.consumer-chip .c-name {
  color: var(--text-dim);
}
.consumer-chip .c-val {
  color: var(--text-main);
}
.consumer-chip .c-pct {
  font-size: 10px;
  color: var(--accent);
}

/* 行车关键四指标 */
.stats-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.stat-col {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
}
.stat-icon {
  font-size: 20px;
  opacity: 0.9;
}
.stat-meta {
  display: flex;
  flex-direction: column;
}
.stat-val {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
}
.stat-label {
  font-size: 11px;
  color: var(--text-dimmer);
  font-weight: 600;
  margin-top: 1px;
}
.stat-divider {
  width: 1px;
  height: 28px;
  background: var(--border);
}

/* ================= 仪表盘 3. 实时导航卡 ================= */
.nav-card {
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.12) 0%, rgba(0, 229, 255, 0.02) 100%);
  border-color: rgba(0, 229, 255, 0.35);
  margin-bottom: 18px;
}
.card-badge-cyan {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  background: rgba(0, 229, 255, 0.15);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
}
.nav-dest-title {
  font-size: 18px;
  font-weight: 800;
  margin-top: 8px;
  color: #fff;
}
.nav-eta-text {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 2px;
}
.nav-dist-box {
  text-align: center;
}
.nav-dist-val {
  font-size: 30px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.nav-dist-unit {
  font-size: 12px;
  color: var(--text-dim);
}
.nav-footer {
  display: flex;
  gap: 20px;
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(0, 229, 255, 0.15);
}

/* ================= 仪表盘 4. 快捷控制 ================= */
.control-section {
  margin-bottom: 18px;
}
.climate-stepper {
  display: flex;
  align-items: center;
  background: var(--bg-card-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 2px 6px;
  gap: 4px;
}
.stepper-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  width: 26px;
  height: 26px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.15s;
}
.stepper-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}
.climate-val {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  padding: 0 4px;
}
.climate-val small {
  font-size: 10px;
  color: var(--text-dim);
  margin-left: 1px;
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}
.control-btn {
  background: var(--bg-card-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
}
.control-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.control-btn:active {
  transform: scale(0.96);
  border-color: var(--accent);
  background: rgba(0, 229, 255, 0.1);
}
.control-icon {
  font-size: 22px;
}
.control-btn span:last-child {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
}
.control-result-box {
  margin-top: 10px;
}

/* ================= 仪表盘 5. 实时地图 ================= */
.map-card {
  padding: 0;
  margin-bottom: 18px;
}
.map-card-header {
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
}
.map-header-left {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.map-live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}
.location-brief {
  font-size: 12px;
  color: var(--text-dim);
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.map-header-right {
  display: flex;
  gap: 6px;
}
.map-style-btn {
  background: var(--bg-card-elevated);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}
.map-style-btn.active {
  background: rgba(0, 229, 255, 0.15);
  border-color: var(--accent);
  color: var(--accent);
}

.map-container {
  height: 320px;
  width: 100%;
  background: #0d1117;
}
/* 暗黑高德瓦片滤镜 */
.map-container:not(.satellite) .leaflet-tile-pane {
  filter: invert(100%) hue-rotate(180deg) brightness(95%) contrast(90%);
}

.location-detail-drawer {
  padding: 16px 18px;
  border-top: 1px solid var(--border);
  background: var(--bg-card-elevated);
}

/* ================= 仪表盘 6. 今日行程速览 ================= */
.today-trips-card {
  margin-bottom: 18px;
}
.today-metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 14px;
}
.metric-item {
  background: var(--bg-card-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}
.metric-val {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
}
.metric-lbl {
  font-size: 11px;
  color: var(--text-dimmer);
  font-weight: 600;
  margin-top: 4px;
}
.today-last-strip {
  font-size: 13px;
  color: var(--text-dim);
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent);
}

/* 车身细节折叠 */
.detail-fold-card {
  padding: 14px 18px;
  margin-bottom: 24px;
}
.detail-fold-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}
.fold-arrow {
  color: var(--text-dim);
  font-size: 16px;
  transition: transform 0.2s;
}
.detail-fold-body {
  padding-top: 14px;
  margin-top: 12px;
  border-top: 1px solid var(--border);
}

/* ================= 行程与轨迹页 (Journeys) ================= */
.stats-mode-tabs {
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 4px;
  gap: 4px;
  overflow-x: auto;
}
.mode-tab {
  flex: 1;
  min-width: 70px;
  background: none;
  border: none;
  color: var(--text-dim);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
  white-space: nowrap;
}
.mode-tab.active {
  background: var(--bg-card-elevated);
  color: #fff;
  border: 1px solid var(--border-strong);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.date-navigator {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 8px 14px;
}
.nav-arrow-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 14px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.nav-arrow-btn:hover { color: #fff; background: var(--bg-card-elevated); }
.nav-period-text {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
}
.nav-today-btn {
  background: rgba(0, 229, 255, 0.15);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.summary-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.summary-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px;
}
.summary-stat-val {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-top: 4px;
}
.summary-stat-lbl {
  font-size: 12px;
  color: var(--text-dim);
}

/* 进行中行程卡 */
.active-trip-banner {
  background: linear-gradient(135deg, rgba(0, 230, 118, 0.15) 0%, rgba(0, 229, 255, 0.08) 100%);
  border: 1px solid var(--green);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: 0 8px 24px rgba(0, 230, 118, 0.15);
}

/* ================= 行程卡片专属设计 (移动端体验) ================= */
.trip-cards-flow {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.trip-card-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.trip-card-item:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}
.trip-card-item:active {
  transform: scale(0.98);
  background: var(--bg-card-elevated);
}

.trip-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.trip-time-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-main);
}
.trip-dur {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.trip-route-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--bg-card-elevated);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  margin-bottom: 12px;
  position: relative;
}
.route-point {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
}
.dot-green {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  flex-shrink: 0;
}
.dot-red {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--tesla-red);
  box-shadow: 0 0 6px var(--tesla-red);
  flex-shrink: 0;
}
.route-line-v {
  width: 2px;
  height: 8px;
  background: var(--border-strong);
  margin-left: 3px;
}
.point-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.trip-metrics-row {
  display: grid;
  grid-template-columns: 1fr 1.3fr 1fr;
  gap: 8px;
  border-top: 1px solid var(--border);
  padding-top: 10px;
}
.t-met {
  display: flex;
  flex-direction: column;
}
.t-met-val {
  font-size: 16px;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
}
.t-met-val small {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-dim);
}
.t-met-lbl {
  font-size: 11px;
  color: var(--text-dimmer);
  font-weight: 600;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ================= 迷你电量 Sparkline 缩略卡 ================= */
.mini-battery-sparkline-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
}
.sparkline-left {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.sparkline-delta {
  font-size: 14px;
  color: var(--text-main);
  font-weight: 700;
}
.sparkline-delta small {
  font-size: 11px;
  margin-left: 4px;
}
.sparkline-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

/* ================= 充电会话专属卡片 (移动端极佳体验) ================= */
.charging-cards-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.charging-session-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow-card);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.charging-session-card:hover {
  border-color: var(--border-accent);
}

.charging-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.charging-power-badge {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  margin-left: 6px;
}
.charging-energy-text {
  font-size: 24px;
  font-weight: 800;
  color: var(--green);
  line-height: 1;
}
.charging-energy-text small {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
  margin-left: 2px;
}

.charging-progress-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card-elevated);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 14px;
}
.charging-soc-box {
  display: flex;
  flex-direction: column;
}
.soc-label {
  font-size: 11px;
  color: var(--text-dimmer);
  font-weight: 600;
}
.soc-val {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  margin-top: 2px;
}
.charging-arrow-track {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  margin: 0 16px;
}
.charging-track-line {
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--border), var(--green), var(--border));
}
.charging-track-arrow {
  color: var(--green);
  font-size: 14px;
  background: var(--bg-card-elevated);
  padding: 0 6px;
  z-index: 1;
}

.charging-card-bottom {
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}
.charging-loc-text {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.charging-time-text {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-dim);
}
.charging-view-switch {
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 3px;
  gap: 2px;
}
.pill-tab {
  background: none;
  border: none;
  color: var(--text-dim);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}
.pill-tab.active {
  background: var(--accent);
  color: #000;
  font-weight: 700;
}

/* ================= 表格系统 ================= */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}
.table th {
  padding: 12px 14px;
  font-weight: 600;
  color: var(--text-dimmer);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.table td {
  padding: 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-main);
}
.table tr:last-child td { border-bottom: none; }
.table tbody tr {
  cursor: pointer;
  transition: background 0.15s;
}
.table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

/* ================= 弹窗系统 (Modal) ================= */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}
.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}
.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
  transform: translateY(20px);
  transition: transform 0.25s;
}
.modal-overlay.active .modal {
  transform: translateY(0);
}
.modal-header {
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
}
.modal-title {
  font-size: 16px;
  font-weight: 700;
}
.modal-close-btn {
  background: var(--bg-card-elevated);
  border: 1px solid var(--border);
  color: var(--text-dim);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

/* ================= 辅助类 ================= */
.hidden { display: none !important; }
.text-accent { color: var(--accent) !important; }
.text-green { color: var(--green) !important; }
.text-red { color: var(--tesla-red) !important; }
.text-orange { color: var(--orange) !important; }
.text-dim { color: var(--text-dim) !important; }
.font-bold { font-weight: 700; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex { display: flex; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }

.btn-link {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
}
.btn-ghost {
  background: none;
  border: 1px solid transparent;
  color: var(--text-dim);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
}
.btn-ghost:hover {
  background: var(--bg-card-elevated);
  color: #fff;
}

.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
}
.tag-supercharger { background: rgba(232, 33, 39, 0.15); color: #ff5252; }
.tag-home { background: rgba(0, 229, 255, 0.15); color: var(--accent); }
.tag-purple { background: rgba(179, 136, 255, 0.2); color: var(--purple); }

.loading, .empty-state {
  text-align: center;
  padding: 32px 16px;
  color: var(--text-dim);
  font-size: 14px;
}
.empty-state-icon {
  font-size: 36px;
  margin-bottom: 8px;
}
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: middle;
  margin-right: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ================= 移动端响应式 (≤768px) ================= */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .mobile-nav { display: flex; }
  .main {
    margin-left: 0;
    padding: 16px 14px calc(24px + var(--safe-bottom));
  }

  .car-title { font-size: 20px; }
  .battery-val { font-size: 52px; }
  .range-val { font-size: 26px; }

  .control-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
  }
  .control-btn {
    padding: 10px 4px;
    border-radius: 10px;
  }
  .control-icon { font-size: 18px; }
  .control-btn span:last-child { font-size: 11px; }

  .stats-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .stat-divider { display: none; }
  .stat-col {
    background: var(--bg-card-elevated);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
  }

  .summary-cards-grid {
    grid-template-columns: 1fr 1fr;
  }

  .today-metrics-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px;
  }
  .metric-item { padding: 10px; }
  .metric-val { font-size: 18px; }

  .map-container { height: 260px; }
}