/* =============================================================================
   PLAXTORIS - Design System & Styles
   ============================================================================= */

/* === Design Tokens === */
:root {
  /* Colors - Base */
  --color-bg-primary: #0d1117;
  --color-bg-secondary: #161b22;
  --color-bg-tertiary: #21262d;
  --color-bg-hover: #1c2128;

  /* Colors - Border */
  --color-border: #30363d;
  --color-border-light: rgba(48, 54, 61, 0.5);

  /* Colors - Text */
  --color-text-primary: #f0f6fc;
  --color-text-secondary: #c9d1d9;
  --color-text-muted: #8b949e;
  --color-text-faint: #484f58;

  /* Colors - Accent */
  --color-accent-green: #3fb950;
  --color-accent-green-bg: rgba(63, 185, 80, 0.15);
  --color-accent-blue: #58a6ff;
  --color-accent-blue-bg: rgba(88, 166, 255, 0.15);
  --color-accent-red: #f85149;
  --color-accent-red-bg: rgba(248, 81, 73, 0.15);
  --color-accent-purple: #a371f7;
  --color-accent-purple-bg: rgba(163, 113, 247, 0.15);
  --color-accent-orange: #d29922;
  --color-accent-orange-bg: rgba(210, 153, 34, 0.15);

  /* Spacing - 4px base */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Typography */
  --font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);

  /* Z-Index */
  --z-base: 1;
  --z-toast: 1000;
}

/* === Reset & Base === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  background: linear-gradient(135deg, #0a0a0f 0%, var(--color-bg-primary) 50%, #0d0d14 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
}

h1, h2, h3, h4 {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
  line-height: 1.3;
}

p { color: var(--color-text-muted); }

a {
  color: var(--color-accent-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover { text-decoration: underline; }

/* === Layout === */
.main {
  flex: 1;
  padding: var(--space-10) var(--space-6);
  position: relative;
  z-index: var(--z-base);
}

.container {
  max-width: 1000px;
  margin: 0 auto;
}

#neural-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* === Navbar === */
/* === Cards === */
.card,
.section-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.card { padding: var(--space-6); }

.section-card {
  margin-bottom: var(--space-6);
  overflow: hidden;
}

.section-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.section-header h2 {
  font-size: var(--font-size-lg);
}

.trade-count {
  font-size: var(--font-size-sm);
  font-weight: 400;
  color: var(--color-text-muted);
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-base);
  border: 1px solid transparent;
  text-decoration: none;
}

.btn:hover { text-decoration: none; }

.btn-primary {
  background: linear-gradient(135deg, #238636, #2ea043);
  color: white;
  border-color: transparent;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #2ea043, var(--color-accent-green));
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-border);
  color: var(--color-text-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border-light);
}

.btn-ghost:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

/* Toggle Button */
.btn-toggle {
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}

.btn-toggle:hover { background: var(--color-border); }

.btn-toggle.active {
  background: var(--color-accent-green-bg);
  border-color: #238636;
  color: var(--color-accent-green);
}

.btn-toggle.stopped {
  background: var(--color-accent-red-bg);
  border-color: var(--color-accent-red);
  color: var(--color-accent-red);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-text-muted);
  transition: all var(--transition-base);
}

.btn-toggle.active .status-dot {
  background: var(--color-accent-green);
  box-shadow: 0 0 8px var(--color-accent-green);
}

.btn-toggle.stopped .status-dot {
  background: var(--color-accent-red);
}

/* Landing Button */
.btn-landing {
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.9);
  background: transparent;
  border: 1px solid rgba(100, 200, 255, 0.3);
  font-weight: var(--font-weight-normal);
  transition: all var(--transition-slow);
}

.btn-landing:hover {
  border-color: rgba(100, 200, 255, 0.6);
  background: rgba(100, 200, 255, 0.05);
  box-shadow: 0 0 30px rgba(100, 200, 255, 0.1);
}

/* === Forms === */
.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-4);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent-blue);
}

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

/* === Alerts === */
.alert {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-sm);
}

.alert-error {
  background: var(--color-accent-red-bg);
  border: 1px solid var(--color-accent-red);
  color: var(--color-accent-red);
}

.alert-success {
  background: var(--color-accent-green-bg);
  border: 1px solid var(--color-accent-green);
  color: var(--color-accent-green);
}

/* === Custom Tooltips === */
.tooltip {
  position: fixed;
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  white-space: pre-line;
  text-align: left;
  min-width: 200px;
  max-width: 280px;
  box-shadow: var(--shadow-lg);
  line-height: 1.6;
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.tooltip.visible {
  opacity: 1;
}

[data-tooltip] {
  cursor: help;
}

/* === Tables === */
.table-container {
  overflow-x: auto;
}

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

th, td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
}

th {
  background: var(--color-bg-primary);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: sticky;
  top: 0;
}

td {
  border-top: 1px solid var(--color-bg-tertiary);
  color: var(--color-text-secondary);
}

tbody tr:hover td {
  background: var(--color-bg-hover);
}

/* Compact table cells for scores */
.scores-table th,
.scores-table td {
  padding: var(--space-2) var(--space-3);
  text-align: center;
  white-space: nowrap;
}

.scores-table th:nth-child(2),
.scores-table td:nth-child(2) {
  text-align: left;
}

.scores-table .col-expand {
  width: 40px;
}

/* Summary-only detail row */
.detail-summary-only {
  padding: var(--space-4) var(--space-6);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  background: var(--color-bg-primary);
  border-top: 1px dashed var(--color-border);
  animation: slideDown var(--transition-base) ease;
  /* Text wrapping */
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-wrap: break-word;
  text-align: left;
}

.detail-summary-only:empty::after {
  content: "No summary available";
  color: var(--color-text-faint);
  font-style: italic;
}

/* === Stats === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.stat-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.accent-green .stat-icon { background: var(--color-accent-green-bg); color: var(--color-accent-green); }
.accent-blue .stat-icon { background: var(--color-accent-blue-bg); color: var(--color-accent-blue); }
.accent-purple .stat-icon { background: var(--color-accent-purple-bg); color: var(--color-accent-purple); }
.accent-orange .stat-icon { background: var(--color-accent-orange-bg); color: var(--color-accent-orange); }
.accent-red .stat-icon { background: var(--color-accent-red-bg); color: var(--color-accent-red); }

.stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}

.stat-value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.stat-value small {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-normal);
  margin-left: var(--space-1);
}

/* === Expandable Rows === */
.col-expand { width: 40px; }

.btn-expand {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-expand:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  border-color: var(--color-text-muted);
}

.btn-expand .expand-icon {
  transition: transform var(--transition-fast);
}

.prediction-row.expanded .btn-expand {
  background: var(--color-accent-blue-bg);
  border-color: var(--color-accent-blue);
  color: var(--color-accent-blue);
}

.prediction-row.expanded .expand-icon {
  transform: rotate(90deg);
}

.detail-row {
  display: none;
}

.detail-row.visible {
  display: table-row;
}

.detail-row td {
  padding: 0;
  border-top: none;
  background: var(--color-bg-primary);
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* === Toast === */
.toast {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  padding: var(--space-4) var(--space-6);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-toast);
  animation: toast-in var(--transition-slow) ease;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.toast.success { border-color: var(--color-accent-green); }
.toast.error { border-color: var(--color-accent-red); }

@keyframes toast-in {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* === Pages: Auth === */
.auth-wrapper {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-10) var(--space-5);
  position: relative;
  z-index: var(--z-base);
}

.auth-box {
  background: rgba(22, 27, 34, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.auth-box img {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-6);
}

.auth-box h1 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-6);
}

.auth-box form { text-align: left; }

.auth-box .btn-landing {
  width: 100%;
  padding: var(--space-3);
  cursor: pointer;
}

/* === Pages: Dashboard === */
.dashboard-container { max-width: 1600px; }

/* Tab Header - used in each tab */
.tab-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.tab-header-left h1 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-1);
}

.tab-header-left p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.tab-header-right {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  flex-wrap: wrap;
}


.header-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.header-toggle-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  user-select: none;
}

.toggle-switch-sm {
  width: 28px;
  height: 16px;
  border-radius: 8px;
}

.toggle-switch-sm::after {
  width: 10px;
  height: 10px;
  top: 2px;
  left: 2px;
}

.toggle-switch-sm[aria-checked="true"]::after {
  left: 14px;
}

.btn-reset {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  cursor: pointer;
  transition: color var(--transition-base);
}

.btn-reset:hover {
  color: var(--color-accent-red);
}

.btn-reset:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* === Tab Navigation === */
.tab-navigation {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-2);
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.tab-btn:hover {
  color: var(--color-text-primary);
  background: var(--color-bg-tertiary);
}

.tab-btn.active {
  color: var(--color-accent-blue);
  background: var(--color-bg-secondary);
  border-color: var(--color-border);
  border-bottom-color: var(--color-bg-secondary);
  margin-bottom: -3px;
}

.tab-btn svg {
  opacity: 0.7;
}

.tab-btn.active svg {
  opacity: 1;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.2s ease;
}

.page-header {
  margin-bottom: var(--space-8);
}

.page-header h1 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-2);
}

/* === Content Styles === */
.card h3 { margin-top: var(--space-8); }
.card h3:first-child { margin-top: 0; }
.card p { margin-top: var(--space-4); }
.card ul {
  margin-top: var(--space-2);
  margin-left: var(--space-5);
  color: var(--color-text-muted);
}

/* === Utilities === */
.text-success { color: var(--color-accent-green); }
.text-error { color: var(--color-accent-red); }
.text-muted { color: var(--color-text-muted); }
.font-semibold { font-weight: var(--font-weight-semibold); }

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

.spin { animation: spin 1s linear infinite; }

/* === Responsive === */
@media (max-width: 768px) {
  :root {
    --space-6: 20px;
    --space-8: 24px;
    --space-10: 32px;
  }

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

  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }

}

/* Hidden utility */
.hidden {
  display: none !important;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Trading Toggle Button */
.btn-trading-toggle {
  background: linear-gradient(135deg, #238636, #2ea043);
  color: white;
  border-color: transparent;
  padding: var(--space-2) var(--space-5);
  gap: var(--space-2);
}

.btn-trading-toggle:hover {
  background: linear-gradient(135deg, #2ea043, var(--color-accent-green));
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-trading-toggle.active {
  background: linear-gradient(135deg, #b62324, #da3633);
}

.btn-trading-toggle.active:hover {
  background: linear-gradient(135deg, #da3633, var(--color-accent-red));
}

.btn-trading-toggle:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.toggle-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.6);
  transition: all var(--transition-base);
}

.btn-trading-toggle.active .toggle-dot {
  background: white;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Model Card */
.model-card {
  margin-bottom: var(--space-6);
}

.model-header {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.model-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
}

.model-badge.active {
  background: var(--color-accent-green-bg);
  border-color: var(--color-accent-green);
  color: var(--color-accent-green);
}

.model-position {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Model Metrics Grid */
.model-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-6);
}

.model-metrics-empty {
  padding: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  grid-column: 1 / -1;
}

.model-metric {
  flex: 1 1 0;
  min-width: 80px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.model-metric-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.model-metric-value {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.model-metric-value.accent-purple {
  color: var(--color-accent-purple);
}

/* Model Card Footer (config + history toggle) */
.model-card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.config-row {
  display: flex;
  gap: var(--space-4);
}

.config-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.config-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.config-input-wrap {
  display: flex;
  align-items: center;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-base);
}

.config-input-wrap:focus-within {
  border-color: var(--color-accent-blue);
}

.config-input {
  width: 10ch;
  min-width: 0;
  padding: var(--space-2) var(--space-3);
  background: transparent;
  border: none;
  outline: none;
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  text-align: right;
}

.config-input:disabled {
  color: var(--color-text-muted);
  cursor: not-allowed;
}

.config-unit {
  padding: var(--space-2) var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-left: 1px solid var(--color-border);
  user-select: none;
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
}

.toggle-switch {
  position: relative;
  width: 36px;
  height: 20px;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  cursor: pointer;
  transition: all var(--transition-base);
  flex-shrink: 0;
  padding: 0;
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-text-muted);
  transition: all var(--transition-base);
}

.toggle-switch[aria-checked="true"] {
  background: var(--color-accent-blue-bg);
  border-color: var(--color-accent-blue);
}

.toggle-switch[aria-checked="true"]::after {
  left: 18px;
  background: var(--color-accent-blue);
}

.toggle-switch:hover {
  border-color: var(--color-text-muted);
}

.toggle-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.toggle-title {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

.toggle-desc {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.pnl-value {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
}

.pnl-value.positive {
  color: var(--color-accent-green);
}

.pnl-value.negative {
  color: var(--color-accent-red);
}

/* Position Badge */
.position-badge {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.position-badge.flat {
  background: var(--color-bg-tertiary);
  color: var(--color-text-muted);
}

.position-badge.long {
  background: var(--color-accent-green-bg);
  color: var(--color-accent-green);
}

.position-badge.short {
  background: var(--color-accent-red-bg);
  color: var(--color-accent-red);
}

/* Metrics Grid */
.metrics-grid {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.metric-card {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  text-align: center;
}

.metric-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}

.metric-value {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.metric-value.positive {
  color: var(--color-accent-green);
}

.metric-value.negative {
  color: var(--color-accent-red);
}

.chart-legend {
  display: flex;
  gap: var(--space-4);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.legend-dot {
  width: 12px;
  height: 3px;
  border-radius: 2px;
}

.legend-item.model .legend-dot {
  background: var(--color-accent-blue);
}

.legend-item.bh .legend-dot {
  background: var(--color-accent-orange);
}

.chart-container {
  position: relative;
  padding: var(--space-4) var(--space-6);
  height: calc(100vh - 160px);
}

.chart-hover-info {
  position: absolute;
  top: var(--space-4);
  right: var(--space-6);
  background: rgba(13, 17, 23, 0.85);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  line-height: 1.5;
  pointer-events: none;
  z-index: 10;
  min-width: 160px;
  backdrop-filter: blur(4px);
}

.chart-hover-info .hover-time {
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.chart-hover-info .hover-line.model { color: rgb(88, 166, 255); }
.chart-hover-info .hover-line.bh { color: rgb(210, 153, 34); }
.chart-hover-info .hover-line.trade { font-weight: 600; }

.chart-hover-info .hover-divider {
  border-top: 1px solid var(--color-border);
  margin: 4px 0;
}

.chart-container canvas {
  width: 100% !important;
  height: 100% !important;
}

.log-filter {
  display: flex;
  gap: var(--space-1);
}

.filter-btn {
  padding: var(--space-1) var(--space-3);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

.filter-btn.active {
  background: var(--color-accent-blue-bg);
  border-color: var(--color-accent-blue);
  color: var(--color-accent-blue);
}

.trading-log-table {
  width: 100%;
}

.trading-log-table th,
.trading-log-table td {
  padding: var(--space-2) var(--space-3);
  text-align: left;
  font-size: var(--font-size-sm);
}

.trading-log-table th {
  font-size: var(--font-size-xs);
}

.trading-log-table .action-long {
  color: var(--color-accent-green);
}

.trading-log-table .action-short {
  color: var(--color-accent-red);
}

.trading-log-table .pnl-positive {
  color: var(--color-accent-green);
}

.trading-log-table .pnl-negative {
  color: var(--color-accent-red);
}

.legend-marker {
  font-size: 10px;
  line-height: 1;
}

.legend-item.trade-long {
  color: var(--color-accent-green);
}

.legend-item.trade-short {
  color: var(--color-accent-red);
}

/* Responsive */
@media (max-width: 768px) {
  .tab-header {
    flex-direction: column;
    align-items: stretch;
  }

  .tab-header-right {
    justify-content: flex-start;
  }

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

  .model-metric {
    min-width: 45%;
  }
}

@media (max-width: 480px) {
  .tab-navigation {
    flex-direction: column;
  }

  .tab-btn {
    width: 100%;
    justify-content: center;
  }

  .metrics-grid {
    grid-template-columns: 1fr 1fr;
  }

  .log-filter {
    flex-wrap: wrap;
  }

  .tab-header-right {
    flex-direction: column;
  }

  .tab-header-right .btn {
    width: 100%;
  }
}

/* Reversal trade grouping - two trades at same timestamp (close + open = atomic reversal) */

.trading-log-table tr.reversal-top td {
  border-bottom: none;
  padding-bottom: 2px;
}

.trading-log-table tr.reversal-bottom td {
  border-top: 1px dashed var(--color-border-light);
  padding-top: 2px;
}

.trading-log-table tr.reversal-bottom td:first-child {
  color: var(--color-text-faint);
  font-size: var(--font-size-xs);
}