/* ============================================================
   Freqtrade Advanced UI - 科技风主题样式系统
   Version: 2.0.0
   Description: 黑色背景、霓虹亮色、数据可视化专用主题
   ============================================================ */

/* ─── CSS 变量系统 ─── */
:root {
  /* 主色调 */
  --color-bg-primary:    #0a0e1a;
  --color-bg-secondary:  #0f1628;
  --color-bg-card:       #111827;
  --color-bg-card-hover: #1a2235;
  --color-bg-sidebar:    #0d1220;
  --color-bg-overlay:    rgba(10, 14, 26, 0.95);

  /* 霓虹强调色 */
  --color-neon-blue:     #00d4ff;
  --color-neon-green:    #00ff88;
  --color-neon-purple:   #a855f7;
  --color-neon-orange:   #ff6b35;
  --color-neon-yellow:   #ffd700;
  --color-neon-pink:     #ff2d78;

  /* 文字颜色 */
  --color-text-primary:  #e2e8f0;
  --color-text-secondary:#94a3b8;
  --color-text-muted:    #475569;
  --color-text-accent:   #00d4ff;

  /* 状态颜色 */
  --color-success:       #00ff88;
  --color-danger:        #ff2d78;
  --color-warning:       #ffd700;
  --color-info:          #00d4ff;

  /* 边框 */
  --color-border:        rgba(0, 212, 255, 0.15);
  --color-border-hover:  rgba(0, 212, 255, 0.4);
  --color-border-active: rgba(0, 212, 255, 0.8);

  /* 阴影 */
  --shadow-neon-blue:    0 0 20px rgba(0, 212, 255, 0.3);
  --shadow-neon-green:   0 0 20px rgba(0, 255, 136, 0.3);
  --shadow-neon-purple:  0 0 20px rgba(168, 85, 247, 0.3);
  --shadow-card:         0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-card-hover:   0 8px 40px rgba(0, 212, 255, 0.15);

  /* 间距 */
  --spacing-xs:  4px;
  --spacing-sm:  8px;
  --spacing-md:  16px;
  --spacing-lg:  24px;
  --spacing-xl:  32px;
  --spacing-2xl: 48px;

  /* 圆角 */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-full: 9999px;

  /* 字体 */
  --font-mono:   'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --font-sans:   'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;

  /* 过渡 */
  --transition-fast:   0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow:   0.4s ease;

  /* 侧边栏宽度 */
  --sidebar-width:         240px;
  --sidebar-collapsed-width: 64px;
}

/* ─── 全局重置 ─── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ─── 滚动条样式 ─── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg-secondary); }
::-webkit-scrollbar-thumb {
  background: rgba(0, 212, 255, 0.3);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: rgba(0, 212, 255, 0.6); }

/* ─── 选中文字颜色 ─── */
::selection {
  background: rgba(0, 212, 255, 0.3);
  color: var(--color-text-primary);
}

/* ─── 布局系统 ─── */
.app-layout {
  display: flex;
  min-height: 100vh;
  position: relative;
}

/* ─── 侧边栏 ─── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--color-bg-sidebar);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  transition: width var(--transition-normal);
  overflow: hidden;
}

.sidebar.collapsed { width: var(--sidebar-collapsed-width); }

.sidebar-logo {
  padding: var(--spacing-lg) var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
  min-height: 70px;
}

.sidebar-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-neon-blue), var(--color-neon-purple));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  box-shadow: var(--shadow-neon-blue);
}

.sidebar-logo .logo-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
}

.sidebar-logo .logo-text span {
  color: var(--color-neon-blue);
}

.sidebar-nav {
  flex: 1;
  padding: var(--spacing-md) 0;
  overflow-y: auto;
}

.nav-section-title {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-text-muted);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-top: var(--spacing-sm);
  white-space: nowrap;
  overflow: hidden;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 10px var(--spacing-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  position: relative;
}

.nav-item:hover {
  color: var(--color-text-primary);
  background: rgba(0, 212, 255, 0.05);
  border-left-color: rgba(0, 212, 255, 0.3);
}

.nav-item.active {
  color: var(--color-neon-blue);
  background: rgba(0, 212, 255, 0.08);
  border-left-color: var(--color-neon-blue);
}

.nav-item .nav-icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.nav-item .nav-label {
  font-size: 14px;
  font-weight: 500;
}

.nav-item .nav-badge {
  margin-left: auto;
  background: var(--color-neon-blue);
  color: var(--color-bg-primary);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

/* ─── 主内容区 ─── */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--transition-normal);
}

.main-content.sidebar-collapsed { margin-left: var(--sidebar-collapsed-width); }

/* ─── 顶部导航栏 ─── */
.topbar {
  height: 70px;
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-xl);
  gap: var(--spacing-md);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
}

.topbar-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text-primary);
  flex: 1;
}

.topbar-title span { color: var(--color-neon-blue); }

.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* ─── 页面内容 ─── */
.page-content {
  flex: 1;
  padding: var(--spacing-xl);
  overflow-y: auto;
}

/* ─── 卡片组件 ─── */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-neon-blue), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card-hover);
  background: var(--color-bg-card-hover);
}

.card:hover::before { opacity: 1; }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.card-title .title-icon {
  color: var(--color-neon-blue);
  font-size: 16px;
}

/* ─── 统计数字卡片 ─── */
.stat-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
  cursor: default;
}

.stat-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-neon-blue), var(--color-neon-purple));
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.stat-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.stat-card:hover::after { transform: scaleX(1); }

.stat-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--color-text-primary);
  line-height: 1.2;
  margin-bottom: var(--spacing-xs);
}

.stat-value.positive { color: var(--color-success); }
.stat-value.negative { color: var(--color-danger); }
.stat-value.accent   { color: var(--color-neon-blue); }

.stat-change {
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

.stat-change.up   { color: var(--color-success); }
.stat-change.down { color: var(--color-danger); }

.stat-bg-icon {
  position: absolute;
  right: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  font-size: 48px;
  opacity: 0.06;
  pointer-events: none;
}

/* ─── 按钮系统 ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before { opacity: 1; }

.btn-primary {
  background: linear-gradient(135deg, var(--color-neon-blue), #0099cc);
  color: var(--color-bg-primary);
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 0 25px rgba(0, 212, 255, 0.5);
  transform: translateY(-1px);
}

.btn-success {
  background: linear-gradient(135deg, var(--color-neon-green), #00cc66);
  color: var(--color-bg-primary);
  box-shadow: 0 0 15px rgba(0, 255, 136, 0.3);
}

.btn-success:hover {
  box-shadow: 0 0 25px rgba(0, 255, 136, 0.5);
  transform: translateY(-1px);
}

.btn-danger {
  background: linear-gradient(135deg, var(--color-neon-pink), #cc0044);
  color: #fff;
  box-shadow: 0 0 15px rgba(255, 45, 120, 0.3);
}

.btn-danger:hover {
  box-shadow: 0 0 25px rgba(255, 45, 120, 0.5);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text-secondary);
}

.btn-outline:hover {
  border-color: var(--color-neon-blue);
  color: var(--color-neon-blue);
  background: rgba(0, 212, 255, 0.05);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
}

.btn-ghost:hover {
  color: var(--color-text-primary);
  background: rgba(255,255,255,0.05);
}

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 15px; }

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none !important;
}

/* ─── 状态徽章 ─── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-running {
  background: rgba(0, 255, 136, 0.15);
  color: var(--color-neon-green);
  border: 1px solid rgba(0, 255, 136, 0.3);
}

.badge-stopped {
  background: rgba(255, 45, 120, 0.15);
  color: var(--color-neon-pink);
  border: 1px solid rgba(255, 45, 120, 0.3);
}

.badge-warning {
  background: rgba(255, 215, 0, 0.15);
  color: var(--color-neon-yellow);
  border: 1px solid rgba(255, 215, 0, 0.3);
}

.badge-info {
  background: rgba(0, 212, 255, 0.15);
  color: var(--color-neon-blue);
  border: 1px solid rgba(0, 212, 255, 0.3);
}

/* ─── 脉冲动画点 ─── */
.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  position: relative;
}

.pulse-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  animation: pulse-ring 2s ease-out infinite;
}

.pulse-dot.green { background: var(--color-neon-green); }
.pulse-dot.green::after { border: 2px solid var(--color-neon-green); }

.pulse-dot.red { background: var(--color-neon-pink); }
.pulse-dot.red::after { border: 2px solid var(--color-neon-pink); }

.pulse-dot.blue { background: var(--color-neon-blue); }
.pulse-dot.blue::after { border: 2px solid var(--color-neon-blue); }

@keyframes pulse-ring {
  0%   { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(2.5); opacity: 0; }
}

/* ─── 网格布局 ─── */
.grid { display: grid; gap: var(--spacing-lg); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

/* ─── 表格 ─── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

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

.data-table th {
  padding: 10px var(--spacing-md);
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-muted);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
}

.data-table th:hover { color: var(--color-neon-blue); }

.data-table td {
  padding: 12px var(--spacing-md);
  border-bottom: 1px solid rgba(0, 212, 255, 0.05);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: 12px;
}

.data-table tbody tr {
  transition: background var(--transition-fast);
  cursor: pointer;
}

.data-table tbody tr:hover {
  background: rgba(0, 212, 255, 0.04);
}

.data-table tbody tr:hover td { color: var(--color-text-primary); }

/* ─── 进度条 ─── */
.progress-bar {
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.8s ease;
  background: linear-gradient(90deg, var(--color-neon-blue), var(--color-neon-purple));
}

.progress-fill.green {
  background: linear-gradient(90deg, var(--color-neon-green), #00cc66);
}

/* ─── 输入框 ─── */
.input {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  color: var(--color-text-primary);
  font-size: 13px;
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
  outline: none;
  width: 100%;
}

.input:focus {
  border-color: var(--color-neon-blue);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

/* ─── 选择框 ─── */
.select {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  color: var(--color-text-primary);
  font-size: 13px;
  cursor: pointer;
  outline: none;
  transition: all var(--transition-fast);
}

.select:focus {
  border-color: var(--color-neon-blue);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

/* ─── 标签页 ─── */
.tabs {
  display: flex;
  gap: 4px;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  padding: 4px;
  border: 1px solid var(--color-border);
}

.tab-btn {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--color-text-muted);
  border: none;
  background: transparent;
}

.tab-btn.active {
  background: var(--color-neon-blue);
  color: var(--color-bg-primary);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.4);
}

.tab-btn:not(.active):hover { color: var(--color-text-primary); }

/* ─── 图表容器 ─── */
.chart-container {
  position: relative;
  width: 100%;
}

.chart-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.02);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: 13px;
}

/* ─── 机器人卡片 ─── */
.robot-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.robot-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-neon-green);
  transition: background var(--transition-normal);
}

.robot-card.stopped::before { background: var(--color-neon-pink); }
.robot-card.warning::before { background: var(--color-neon-yellow); }

.robot-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card-hover);
}

.robot-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.robot-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.robot-meta {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.robot-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.robot-stat-item {
  text-align: center;
  padding: var(--spacing-sm);
  background: rgba(0,0,0,0.2);
  border-radius: var(--radius-sm);
}

.robot-stat-value {
  font-size: 16px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.robot-stat-label {
  font-size: 10px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 2px;
}

/* ─── 持仓列表 ─── */
.position-item {
  display: flex;
  align-items: center;
  padding: 10px var(--spacing-md);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
  gap: var(--spacing-sm);
}

.position-item:hover { background: rgba(0, 212, 255, 0.04); }

.pair-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-neon-blue), var(--color-neon-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-bg-primary);
  flex-shrink: 0;
}

/* ─── 加载动画 ─── */
.skeleton {
  background: linear-gradient(90deg,
    rgba(255,255,255,0.05) 25%,
    rgba(255,255,255,0.1) 50%,
    rgba(255,255,255,0.05) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-sm);
}

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

/* ─── 扫描线效果 ─── */
.scanline-effect {
  position: relative;
  overflow: hidden;
}

.scanline-effect::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.4), transparent);
  animation: scanline 4s linear infinite;
}

@keyframes scanline {
  0%   { top: -2px; }
  100% { top: 100%; }
}

/* ─── 数字滚动动画 ─── */
@keyframes count-up {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.count-animate { animation: count-up 0.5s ease forwards; }

/* ─── 渐入动画 ─── */
@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in-up {
  animation: fade-in-up 0.4s ease forwards;
}

.fade-in-up:nth-child(1) { animation-delay: 0.05s; }
.fade-in-up:nth-child(2) { animation-delay: 0.10s; }
.fade-in-up:nth-child(3) { animation-delay: 0.15s; }
.fade-in-up:nth-child(4) { animation-delay: 0.20s; }
.fade-in-up:nth-child(5) { animation-delay: 0.25s; }
.fade-in-up:nth-child(6) { animation-delay: 0.30s; }

/* ─── 粒子背景 ─── */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ─── 通知 Toast ─── */
.toast-container {
  position: fixed;
  top: var(--spacing-xl);
  right: var(--spacing-xl);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  min-width: 280px;
  box-shadow: var(--shadow-card);
  animation: toast-in 0.3s ease;
}

.toast.success { border-left: 3px solid var(--color-neon-green); }
.toast.error   { border-left: 3px solid var(--color-neon-pink); }
.toast.info    { border-left: 3px solid var(--color-neon-blue); }
.toast.warning { border-left: 3px solid var(--color-neon-yellow); }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ─── 模态框 ─── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fade-in 0.2s ease;
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  animation: modal-in 0.3s ease;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), var(--shadow-neon-blue);
}

@keyframes modal-in {
  from { opacity: 0; transform: scale(0.9) translateY(-20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* ─── 工具提示 ─── */
[data-tooltip] {
  position: relative;
  cursor: help;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-size: 12px;
  color: var(--color-text-primary);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: 100;
  box-shadow: var(--shadow-card);
}

[data-tooltip]:hover::after { opacity: 1; }

/* ─── 分割线 ─── */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--spacing-md) 0;
}

/* ─── 空状态 ─── */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--color-text-muted);
}

.empty-state .empty-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
  opacity: 0.4;
}

.empty-state .empty-text {
  font-size: 14px;
}

/* ─── 移动端适配 ─── */
@media (max-width: 1024px) {
  :root { --sidebar-width: 200px; }
  .grid-4, .grid-5 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .sidebar {
    /* 彻底隐藏侧边栏：移出屏幕 + 不可见 + 不可交互 + 裁剪 */
    transform: translateX(-100%) !important;
    transition: transform var(--transition-normal);
    z-index: 500;
    visibility: hidden;
    overflow: hidden !important;
    pointer-events: none !important;
    /* 使用 clip-path 确保内容不渗出到屏幕 */
    clip-path: inset(0px 0px 0px 0px);
    /* 防止子元素溢出到侧边栏外 */
    contain: strict;
  }

  .sidebar.mobile-open {
    transform: translateX(0) !important;
    visibility: visible;
    pointer-events: auto !important;
    clip-path: none;
    contain: none;
  }

  .main-content {
    margin-left: 0 !important;
  }

  .topbar { padding: 0 var(--spacing-md); }

  .topbar-title {
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    font-size: 15px !important;
  }
  .topbar-title span { display: inline !important; }

  .page-content { padding: var(--spacing-md); }

  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: repeat(2, 1fr); }

  .stat-value { font-size: 22px; }

  .robot-stats { grid-template-columns: repeat(3, 1fr); }

  .data-table { font-size: 11px; }
  .data-table th, .data-table td { padding: 8px; }

  .modal { padding: var(--spacing-lg); }

  .toast-container {
    top: auto;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    left: var(--spacing-md);
  }

  .toast { min-width: unset; }
}

@media (max-width: 480px) {
  .topbar-title { font-size: 16px; }
  .stat-value { font-size: 20px; }
  .card { padding: var(--spacing-md); }
}

/* ─── 打印样式 ─── */
@media print {
  .sidebar, .topbar, .btn { display: none; }
  .main-content { margin-left: 0; }
  body { background: white; color: black; }
}

/* ─── 辅助工具类 ─── */
.text-right  { text-align: right; }
.text-center { text-align: center; }
.text-mono   { font-family: var(--font-mono); }
.text-muted  { color: var(--color-text-muted); }
.text-accent { color: var(--color-neon-blue); }
.text-success { color: var(--color-success); }
.text-danger  { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }

.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-gap-sm  { gap: var(--spacing-sm); }
.flex-gap-md  { gap: var(--spacing-md); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.w-full { width: 100%; }
.h-full { height: 100%; }
.hidden { display: none !important; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }