/**
 * Quantitative Paper Trading Prototype - Modern Dark Theme CSS
 * High visual fidelity based on video reference:
 * - Dark slate/navy backgrounds (#090d16, #0e1526, #141e33)
 * - Quantitative neon green (#22c55e, #10b981), cyan (#38bdf8), orange (#f97316), red (#ef4444)
 * - Self-contained typography, zero external font/CDN dependencies
 * - Density modes: Comfortable vs Compact (controlled by Cookie)
 * - Full responsive layout (desktop first, accessible on mobile/tablets)
 */

:root {
  /* Color Palette */
  --bg-app: #080c14;
  --bg-sidebar: #060910;
  --bg-card: #0d1322;
  --bg-card-hover: #121a2e;
  --bg-card-header: #10182b;
  --bg-elevated: #152038;
  --bg-terminal: #05070d;
  --bg-overlay: rgba(6, 9, 16, 0.88);

  /* Borders */
  --border-subtle: #192338;
  --border-card: #1f2c45;
  --border-focus: #38bdf8;

  /* Quant Accent Colors */
  --accent-green: #22c55e;
  --accent-green-glow: rgba(34, 197, 94, 0.4);
  --accent-green-bg: rgba(34, 197, 94, 0.12);
  --accent-cyan: #38bdf8;
  --accent-blue: #3b82f6;
  --accent-orange: #f97316;
  --accent-purple: #a855f7;
  --accent-yellow: #eab308;
  --accent-red: #ef4444;

  /* Typography Colors */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-dark: #334155;

  /* Typography Stacks */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Spacing - Comfortable (Default) */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 14px;
  --space-lg: 18px;
  --space-xl: 24px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Header & Sidebar */
  --sidebar-width: 250px;
  --topbar-height: 56px;
}

/* Compact Mode (Toggled via Cookie preference) */
body.density-compact {
  --space-sm: 5px;
  --space-md: 10px;
  --space-lg: 14px;
  --space-xl: 18px;
  --topbar-height: 48px;
  font-size: 13px;
}

body.density-compact .metric-val {
  font-size: 1.5rem !important;
}

body.density-compact .main-nav-chart-container {
  height: 280px !important;
}

body.density-compact .cycle-card,
body.density-compact .metric-card {
  padding: 10px 14px !important;
}

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

html, body {
  width: 100%;
  height: 100%;
  background-color: var(--bg-app);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
}

/* App Container */
.app-layout {
  display: flex;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

/* =====================================================================
   SIDEBAR
   ===================================================================== */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  height: 100vh;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  user-select: none;
  z-index: 20;
}

.sidebar-header {
  height: var(--topbar-height);
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border-subtle);
}

.brand-badge-icon {
  display: flex;
  gap: 2.5px;
  align-items: center;
  height: 16px;
}

.brand-stripe {
  width: 3.5px;
  height: 15px;
  border-radius: 1px;
}
.brand-stripe.c1 { background-color: #ef4444; }
.brand-stripe.c2 { background-color: #10b981; }
.brand-stripe.c3 { background-color: #38bdf8; }
.brand-stripe.c4 { background-color: #f59e0b; }

.brand-title-wrap {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-ver {
  font-size: 10px;
  padding: 1px 4px;
  border-radius: 3px;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-weight: 500;
}

.brand-sub {
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
}

/* Sidebar Nav Body */
.sidebar-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--space-md) var(--space-sm);
}

.sidebar-scroll::-webkit-scrollbar {
  width: 4px;
}
.sidebar-scroll::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: 2px;
}

.nav-section-title {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: var(--space-sm) var(--space-md) var(--space-xs);
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: 13px;
  margin-bottom: 2px;
}

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

.nav-item.active {
  background-color: var(--bg-card-hover);
  color: #ffffff;
  font-weight: 600;
  box-shadow: inset 2px 0 0 0 var(--accent-cyan);
}

.nav-item-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-dim);
}
.nav-dot.green { background: var(--accent-green); box-shadow: 0 0 6px var(--accent-green); }
.nav-dot.cyan { background: var(--accent-cyan); }
.nav-dot.orange { background: var(--accent-orange); }

/* Strategy tree in sidebar */
.strategy-tree-item {
  margin-top: 4px;
  margin-bottom: 6px;
  border-radius: var(--radius-sm);
  background: rgba(18, 26, 46, 0.4);
  border: 1px solid rgba(31, 44, 69, 0.5);
  overflow: hidden;
}

.strategy-tree-item.selected {
  border-color: var(--accent-cyan);
  background: rgba(18, 26, 46, 0.8);
}

.strategy-tree-head {
  padding: 6px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
}

.strategy-tree-head:hover {
  background: rgba(255, 255, 255, 0.04);
}

.strat-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 3px;
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 700;
  margin-right: 6px;
}
.strat-letter.A { background: rgba(56, 189, 248, 0.2); color: var(--accent-cyan); }
.strat-letter.B { background: rgba(249, 115, 22, 0.2); color: var(--accent-orange); }
.strat-letter.C { background: rgba(34, 197, 94, 0.2); color: var(--accent-green); }
.strat-letter.D { background: rgba(168, 85, 247, 0.2); color: var(--accent-purple); }
.strat-letter.E { background: rgba(234, 179, 8, 0.2); color: var(--accent-yellow); }

.strategy-sub-actions {
  display: flex;
  flex-direction: column;
  padding: 2px 8px 6px 26px;
  gap: 2px;
}

.strategy-sub-link {
  font-size: 11px;
  color: var(--text-dim);
  padding: 4px 6px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.12s;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.strategy-sub-link:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.strategy-sub-link.active-sub {
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.12);
  font-weight: 600;
}

/* Sidebar Footer */
.sidebar-footer {
  padding: var(--space-md);
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.btn-dev-promo {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.18), rgba(56, 189, 248, 0.22));
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: #ffffff;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.15);
}

.btn-dev-promo:hover {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.3), rgba(56, 189, 248, 0.35));
  border-color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.3);
  transform: translateY(-1px);
}

.system-status-tiny {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* =====================================================================
   MAIN CONTENT AREA
   ===================================================================== */
.main-wrapper {
  flex: 1;
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--bg-app);
}

/* Topbar */
.topbar {
  height: var(--topbar-height);
  min-height: var(--topbar-height);
  background-color: var(--bg-sidebar);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 10;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-title-wrap {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.topbar-main-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.3px;
}

.topbar-subtitle {
  font-size: 12px;
  color: var(--text-dim);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Global Buttons & Controls */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  border: 1px solid var(--border-card);
  background-color: var(--bg-card);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.btn:hover {
  background-color: var(--bg-card-hover);
  color: var(--text-main);
  border-color: var(--border-focus);
}

.btn-primary {
  background-color: rgba(34, 197, 94, 0.15);
  border-color: rgba(34, 197, 94, 0.4);
  color: var(--accent-green);
}
.btn-primary:hover {
  background-color: rgba(34, 197, 94, 0.25);
  border-color: var(--accent-green);
  color: #ffffff;
}

.btn-engine-toggle {
  font-family: var(--font-mono);
  font-size: 11px;
}
.btn-engine-toggle.running {
  background-color: rgba(34, 197, 94, 0.12);
  border-color: rgba(34, 197, 94, 0.35);
  color: var(--accent-green);
}
.btn-engine-toggle.paused {
  background-color: rgba(249, 115, 22, 0.12);
  border-color: rgba(249, 115, 22, 0.35);
  color: var(--accent-orange);
}

/* Content Views Scroll Area */
.view-viewport {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--space-lg) var(--space-xl) var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.view-viewport::-webkit-scrollbar {
  width: 6px;
}
.view-viewport::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: 3px;
}

/* =====================================================================
   GREEN LIVE STATUS BAR (Matches reference exactly)
   ===================================================================== */
.live-status-bar {
  background: linear-gradient(90deg, #071e14 0%, #08261a 100%);
  border: 1px solid rgba(34, 197, 94, 0.28);
  border-radius: var(--radius-md);
  padding: 8px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #4ade80;
  font-size: 12.5px;
  font-weight: 500;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
}

.live-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.live-beacon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-green);
  box-shadow: 0 0 10px var(--accent-green);
  position: relative;
}

.live-beacon::after {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1.5px solid var(--accent-green);
  opacity: 0.8;
  animation: beaconPulse 2s infinite ease-out;
}

@keyframes beaconPulse {
  0% { transform: scale(0.6); opacity: 0.9; }
  100% { transform: scale(1.8); opacity: 0; }
}

.live-status-bar.paused-mode {
  background: linear-gradient(90deg, #24190c 0%, #301f0c 100%);
  border-color: rgba(249, 115, 22, 0.35);
  color: #fb923c;
}
.live-status-bar.paused-mode .live-beacon {
  background-color: var(--accent-orange);
  box-shadow: 0 0 10px var(--accent-orange);
}
.live-status-bar.paused-mode .live-beacon::after {
  border-color: var(--accent-orange);
}

.live-right {
  font-size: 12px;
  color: #86efac;
  opacity: 0.88;
}

/* =====================================================================
   CYCLE ROW (上一輪 & 下一輪排程)
   ===================================================================== */
.cycle-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.cycle-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cycle-label {
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 500;
}

.cycle-time {
  font-size: 1.45rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-main);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.3px;
}

.cycle-sub {
  font-size: 11.5px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.badge-check {
  color: var(--accent-green);
  font-weight: bold;
}

/* =====================================================================
   METRICS ROW (6 CARDS)
   ===================================================================== */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-md);
}

.metric-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 6px;
  transition: border-color 0.15s ease;
}

.metric-card:hover {
  border-color: var(--border-subtle);
}

.metric-title {
  font-size: 11.5px;
  color: var(--text-dim);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.metric-val {
  font-size: 1.65rem;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: -0.5px;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.metric-val.green { color: var(--accent-green); }
.metric-val.red { color: var(--accent-red); }
.metric-val.white { color: var(--text-main); }

.metric-sub {
  font-size: 10.5px;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Exposure Hatched Bar (Card 6) */
.exposure-bar-wrap {
  width: 100%;
  height: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
}

.exposure-fill {
  width: 28.4%;
  height: 100%;
  background: repeating-linear-gradient(
    45deg,
    rgba(56, 189, 248, 0.25),
    rgba(56, 189, 248, 0.25) 5px,
    rgba(56, 189, 248, 0.5) 5px,
    rgba(56, 189, 248, 0.5) 10px
  );
  border-right: 2px solid var(--accent-cyan);
}

.exposure-text-overlay {
  position: absolute;
  left: 8px;
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-main);
}

/* =====================================================================
   MAIN NAV CURVE CARD
   ===================================================================== */
.main-chart-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chart-title-area {
  display: flex;
  align-items: center;
  gap: 10px;
}

.chart-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
}

.chart-meta-badge {
  font-size: 11px;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* Range Switcher (7天 / 30天 / 全部) */
.range-switcher {
  display: flex;
  align-items: center;
  background-color: rgba(6, 9, 16, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.range-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 11.5px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.range-btn:hover {
  color: var(--text-muted);
}

.range-btn.active {
  background-color: #1e3a8a;
  border: 1px solid #3b82f6;
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 0 8px rgba(59, 130, 246, 0.4);
}

.main-nav-chart-container {
  width: 100%;
  height: 330px;
  position: relative;
}

/* Chart Tooltip Styling */
.tooltip-box {
  background: rgba(13, 19, 34, 0.95);
  border: 1px solid rgba(56, 189, 248, 0.45);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.6), 0 0 10px rgba(56, 189, 248, 0.2);
  border-radius: 5px;
  padding: 5px 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  backdrop-filter: blur(8px);
}

.tooltip-time {
  font-size: 11px;
  color: var(--text-main);
  font-family: var(--font-mono);
}

.tooltip-sep {
  color: var(--text-dim);
}

.tooltip-label {
  font-size: 10px;
  color: var(--text-dim);
  font-weight: 600;
}

.tooltip-val {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-green);
  font-family: var(--font-mono);
}

/* =====================================================================
   BOTTOM SECTION: 策略比較 & ENGINE.LOG
   ===================================================================== */
.bottom-panels-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.panel-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 270px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Comparison Legend */
.comp-legend {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.comp-legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 3px;
  transition: all 0.12s;
}

.comp-legend-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
}

.comp-legend-item.active-strat {
  background: rgba(56, 189, 248, 0.15);
  color: #ffffff;
  font-weight: 600;
}

.comp-color-box {
  width: 8px;
  height: 8px;
  border-radius: 2px;
}

.comp-chart-wrapper {
  flex: 1;
  position: relative;
  width: 100%;
}

/* Log Panel Controls */
.log-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-stream-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-family: var(--font-mono);
  padding: 3px 8px;
  border-radius: 12px;
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.35);
  color: var(--accent-green);
  cursor: pointer;
}

.btn-stream-badge.paused {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-subtle);
  color: var(--text-dim);
}

.stream-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
}
.btn-stream-badge.paused .stream-dot {
  background: var(--text-dim);
}

.log-filter-select {
  background: var(--bg-app);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 11px;
  padding: 3px 6px;
  border-radius: 3px;
  outline: none;
  font-family: var(--font-mono);
}

.log-search-input {
  background: var(--bg-app);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 3px;
  outline: none;
  width: 110px;
}

.log-search-input:focus {
  border-color: var(--accent-cyan);
}

/* Terminal Log Body */
.terminal-window {
  flex: 1;
  background-color: var(--bg-terminal);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
}

.terminal-window::-webkit-scrollbar {
  width: 4px;
}
.terminal-window::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: 2px;
}

.log-entry {
  display: flex;
  align-items: baseline;
  gap: 8px;
  white-space: pre-wrap;
  word-break: break-all;
  border-bottom: 1px solid rgba(255, 255, 255, 0.02);
  padding: 1.5px 0;
}

.log-entry.filtered-out {
  display: none;
}

.log-ts {
  color: #475569;
  flex-shrink: 0;
}

.log-tag {
  font-size: 9.5px;
  padding: 1px 4px;
  border-radius: 2px;
  font-weight: 700;
  flex-shrink: 0;
}
.log-tag.INFO { background: rgba(56, 189, 248, 0.15); color: #38bdf8; }
.log-tag.ORDER { background: rgba(34, 197, 94, 0.18); color: #4ade80; }
.log-tag.RISK { background: rgba(249, 115, 22, 0.18); color: #fb923c; }

.log-msg {
  color: #cbd5e1;
}

.log-msg .keyword-open { color: #4ade80; font-weight: 600; }
.log-msg .keyword-close { color: #f43f5e; font-weight: 600; }
.log-msg .keyword-pnl { color: #34d399; font-weight: 600; }
.log-msg .keyword-risk { color: #fb923c; font-weight: 600; }

/* =====================================================================
   ACTIVE POSITIONS SECTION (買賣中 / 進行中訂單)
   ===================================================================== */
.positions-section {
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pos-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.pos-card {
  background: var(--bg-app);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: all 0.15s ease;
}

.pos-card:hover {
  border-color: var(--border-card);
}

.pos-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pos-sym {
  font-weight: 700;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-main);
}

.pos-badge {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 2px;
  font-weight: 600;
}
.pos-badge.long { background: rgba(34, 197, 94, 0.15); color: var(--accent-green); }
.pos-badge.short { background: rgba(239, 68, 68, 0.15); color: var(--accent-red); }

.pos-strat {
  font-size: 11px;
  color: var(--text-dim);
}

.pos-detail-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
}

.pos-pnl {
  font-family: var(--font-mono);
  font-weight: 700;
}
.pos-pnl.profit { color: var(--accent-green); }
.pos-pnl.loss { color: var(--accent-red); }

/* =====================================================================
   VIEW CONTAINERS FOR OTHER NAVIGATION TABS
   ===================================================================== */
.view-panel {
  display: none;
}
.view-panel.active-view {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* Strategy Library View */
.strat-library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}

.strat-lib-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.strat-lib-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

/* Table styling for Backtest & Positions views */
.quant-table-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  overflow-x: auto;
}

.quant-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  text-align: left;
}

.quant-table th {
  background: var(--bg-card-header);
  color: var(--text-dim);
  font-weight: 600;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-card);
  white-space: nowrap;
}

.quant-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.quant-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-main);
}

/* Settings View & Storage Manager */
.settings-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
}

.storage-debug-box {
  background: var(--bg-terminal);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: #38bdf8;
  white-space: pre-wrap;
}

/* =====================================================================
   FULLSCREEN "量化策略開發中" OVERLAY (Frame 11 from video)
   ===================================================================== */
.dev-overlay-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--bg-overlay);
  backdrop-filter: blur(20px) brightness(0.4);
  -webkit-backdrop-filter: blur(20px) brightness(0.4);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.dev-overlay-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.dev-overlay-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 720px;
  padding: 40px;
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.dev-overlay-modal.active .dev-overlay-inner {
  transform: scale(1);
}

.dev-sub-code {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 2px;
  color: #38bdf8;
  margin-bottom: 16px;
  opacity: 0.9;
  text-transform: uppercase;
}

.dev-hero-title {
  font-size: 3.8rem;
  font-weight: 800;
  letter-spacing: 2px;
  line-height: 1.1;
  margin-bottom: 18px;
  background: linear-gradient(135deg, #22c55e 0%, #38bdf8 50%, #ffffff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 35px rgba(34, 197, 94, 0.35);
}

.dev-hero-sub {
  font-family: var(--font-sans);
  font-size: 15px;
  letter-spacing: 4px;
  color: #ffffff;
  font-weight: 600;
  margin-bottom: 32px;
  text-transform: uppercase;
  opacity: 0.9;
}

.dev-pills-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.dev-pill {
  padding: 6px 18px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #e2e8f0;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
  backdrop-filter: blur(8px);
}

.dev-close-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius-md);
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--border-card);
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.dev-close-btn:hover {
  background: #334155;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.3);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 2000;
  pointer-events: none;
}

.toast {
  padding: 10px 16px;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid var(--border-card);
  border-left: 4px solid var(--accent-cyan);
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-size: 12.5px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  pointer-events: auto;
  animation: toastIn 0.25s ease-out;
}
.toast.success { border-left-color: var(--accent-green); }
.toast.warn { border-left-color: var(--accent-orange); }

@keyframes toastIn {
  from { transform: translateX(50px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* =====================================================================
   RESPONSIVE DESIGN (Narrow screen adaptation)
   ===================================================================== */
@media (max-width: 1200px) {
  .metrics-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .pos-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .bottom-panels-grid {
    grid-template-columns: 1fr;
  }
  .panel-card {
    height: 300px;
  }
}

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    top: 0;
    left: -260px;
    transition: left 0.25s ease;
  }
  .sidebar.mobile-open {
    left: 0;
  }
  .mobile-menu-btn {
    display: inline-flex !important;
  }
  .cycle-grid {
    grid-template-columns: 1fr;
  }
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pos-cards-grid {
    grid-template-columns: 1fr;
  }
  .topbar-subtitle {
    display: none;
  }
  .dev-hero-title {
    font-size: 2.5rem;
  }
}

.mobile-menu-btn {
  display: none;
}