/* =====================
   A股打板量化系统 - 全局样式
   ===================== */
:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-card: #1c2128;
  --bg-hover: #21262d;
  --border-color: #30363d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent-red: #f85149;
  --accent-green: #3fb950;
  --accent-blue: #58a6ff;
  --accent-yellow: #d29922;
  --accent-purple: #a371f7;
  --accent-orange: #f0883e;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --transition: all 0.2s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
}

/* ---- Layout ---- */
.layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 220px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
}

.sidebar-logo {
  padding: 20px 16px;
  border-bottom: 1px solid var(--border-color);
  font-size: 15px;
  font-weight: 700;
  color: var(--accent-blue);
  letter-spacing: 0.5px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--bg-hover);
  color: var(--accent-blue);
  border-left-color: var(--accent-blue);
}

.nav-item .icon { font-size: 16px; }

.main-content {
  margin-left: 220px;
  flex: 1;
  padding: 24px;
  min-height: 100vh;
}

.page-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 24px;
  color: var(--text-primary);
}

/* ---- Cards ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow);
}

.card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

/* ---- Stat Cards ---- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}

.stat-card:hover { border-color: var(--accent-blue); }

.stat-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.stat-info { flex: 1; }

.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.stat-value {
  font-size: 22px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.stat-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

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

.data-table thead th {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

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

.data-table tbody tr:hover { background: var(--bg-hover); }

.data-table tbody td {
  padding: 10px 12px;
  color: var(--text-primary);
}

.data-table tbody td.red { color: var(--accent-red); }
.data-table tbody td.green { color: var(--accent-green); }
.data-table tbody td.yellow { color: var(--accent-yellow); }
.data-table tbody td.mono { font-family: var(--font-mono); }

/* ---- Tags ---- */
.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}

.tag-red { background: rgba(248,81,73,0.15); color: var(--accent-red); border: 1px solid rgba(248,81,73,0.3); }
.tag-green { background: rgba(63,185,80,0.15); color: var(--accent-green); border: 1px solid rgba(63,185,80,0.3); }
.tag-yellow { background: rgba(210,153,34,0.15); color: var(--accent-yellow); border: 1px solid rgba(210,153,34,0.3); }
.tag-blue { background: rgba(88,166,255,0.15); color: var(--accent-blue); border: 1px solid rgba(88,166,255,0.3); }
.tag-orange { background: rgba(240,136,62,0.15); color: var(--accent-orange); border: 1px solid rgba(240,136,62,0.3); }
.tag-purple { background: rgba(163,113,247,0.15); color: var(--accent-purple); border: 1px solid rgba(163,113,247,0.3); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  background: var(--bg-hover);
  color: var(--text-primary);
}

.btn:hover { opacity: 0.85; }
.btn:active { transform: scale(0.98); }

.btn-primary { background: var(--accent-blue); color: #fff; border-color: var(--accent-blue); }
.btn-red { background: var(--accent-red); color: #fff; border-color: var(--accent-red); }
.btn-green { background: var(--accent-green); color: #fff; border-color: var(--accent-green); }

.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-lg { padding: 8px 20px; font-size: 14px; }

/* ---- Search/Filter Bar ---- */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.search-input {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 7px 12px;
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: var(--transition);
  min-width: 200px;
}

.search-input:focus { border-color: var(--accent-blue); }
.search-input::placeholder { color: var(--text-muted); }

select.filter-select {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 7px 12px;
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  cursor: pointer;
}

/* ---- Chart containers ---- */
.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.chart-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.chart-full { grid-column: 1 / -1; }

.chart-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
}

.chart-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.chart-container { height: 280px; }
.chart-container-sm { height: 200px; }
.chart-container-lg { height: 360px; }

/* ---- Risk Bar ---- */
.risk-bar-container {
  margin-bottom: 24px;
}

.risk-bar-item {
  margin-bottom: 16px;
}

.risk-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.risk-bar-track {
  background: var(--bg-secondary);
  border-radius: 20px;
  height: 8px;
  overflow: hidden;
}

.risk-bar-fill {
  height: 100%;
  border-radius: 20px;
  transition: width 0.6s ease;
}

/* ---- Loading ---- */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-secondary);
  padding: 40px;
  font-size: 14px;
}

.loading::after {
  content: '';
  width: 20px; height: 20px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* ---- Empty State ---- */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state .icon { font-size: 40px; margin-bottom: 12px; opacity: 0.4; }
.empty-state p { font-size: 14px; }

/* ---- Badge ---- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

/* ---- Flex Utilities ---- */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }

/* ---- Responsive ---- */
@media (max-width: 1200px) {
  .chart-grid { grid-template-columns: 1fr; }
  .chart-grid-3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .main-content { margin-left: 0; padding: 16px; }
  .chart-grid-3 { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
}

/* ---- Pulse animation for live indicators ---- */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.live-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  animation: pulse 1.5s ease-in-out infinite;
  display: inline-block;
}

/* ---- Tooltip ---- */
.tooltip {
  position: relative;
}

.tooltip:hover::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 12px;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  z-index: 10;
}

/* ---- Score bar ---- */
.score-bar-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.score-bar {
  flex: 1;
  height: 6px;
  background: var(--bg-secondary);
  border-radius: 3px;
  overflow: hidden;
}

.score-bar-fill {
  height: 100%;
  border-radius: 3px;
}

/* ---- Radar score colors ---- */
.dim-s { color: var(--accent-green); }
.dim-h { color: var(--accent-blue); }
.dim-n { color: var(--accent-purple); }
.dim-m { color: var(--accent-orange); }
.dim-r { color: var(--accent-yellow); }
.dim-t { color: var(--accent-red); }
.dim-tot { color: var(--accent-blue); font-weight: 700; }