/**
 * Stock Analysis Stylesheet
 * Based on the JJ ERP design system
 */

/* ========================================
   FONTS (Vendored)
   ======================================== */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/static/fonts/Inter-Regular.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/static/fonts/Inter-Medium.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/static/fonts/Inter-SemiBold.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/static/fonts/Inter-Bold.woff2') format('woff2');
}

/* ========================================
   DESIGN TOKENS
   ======================================== */
:root {
  /* Colors - Brand */
  --color-primary: #2563EB;
  --color-primary-hover: #1D4ED8;
  --color-primary-light: #DBEAFE;
  --color-secondary: #64748B;
  --color-accent: #0EA5E9;

  /* Colors - Neutral */
  --color-white: #FFFFFF;
  --color-gray-50: #F8FAFC;
  --color-gray-100: #F1F5F9;
  --color-gray-200: #E2E8F0;
  --color-gray-300: #CBD5E1;
  --color-gray-400: #94A3B8;
  --color-gray-500: #64748B;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1E293B;
  --color-gray-900: #0F172A;

  /* Colors - Semantic */
  --color-success: #22C55E;
  --color-success-light: #DCFCE7;
  --color-warning: #F59E0B;
  --color-warning-light: #FEF3C7;
  --color-error: #EF4444;
  --color-error-light: #FEE2E2;
  --color-info: #3B82F6;
  --color-info-light: #DBEAFE;

  /* Colors - Surfaces */
  --color-bg: var(--color-gray-50);
  --color-bg-elevated: var(--color-white);
  --color-border: var(--color-gray-200);

  /* Colors - Text */
  --color-text-primary: var(--color-gray-800);
  --color-text-secondary: var(--color-gray-600);
  --color-text-tertiary: var(--color-gray-500);
  --color-text-link: var(--color-primary);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', Consolas, monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.8125rem;
  --text-base: 0.875rem;
  --text-lg: 1rem;
  --text-xl: 1.125rem;
  --text-2xl: 1.25rem;
  --text-3xl: 1.5rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);

  /* Layout */
  --topbar-height: 48px;
  --content-max-width: 1400px;
}

/* Dark mode overrides */
[data-theme="dark"] {
  /* Colors - Brand (adjusted for dark) */
  --color-primary: #3B82F6;
  --color-primary-hover: #60A5FA;
  --color-primary-light: #1E3A5F;

  /* Colors - Neutral (inverted) */
  --color-gray-50: #0F172A;
  --color-gray-100: #1E293B;
  --color-gray-200: #334155;
  --color-gray-300: #475569;
  --color-gray-400: #64748B;
  --color-gray-500: #94A3B8;
  --color-gray-600: #CBD5E1;
  --color-gray-700: #E2E8F0;
  --color-gray-800: #F1F5F9;
  --color-gray-900: #F8FAFC;

  /* Colors - Semantic (adjusted for dark) */
  --color-success: #4ADE80;
  --color-success-light: #14532D;
  --color-warning: #FBBF24;
  --color-warning-light: #78350F;
  --color-error: #F87171;
  --color-error-light: #7F1D1D;
  --color-info: #60A5FA;
  --color-info-light: #1E3A5F;

  /* Colors - Surfaces */
  --color-bg: #0F172A;
  --color-bg-elevated: #1E293B;
  --color-border: #334155;
  --color-white: #1E293B;

  /* Colors - Text */
  --color-text-primary: #F1F5F9;
  --color-text-secondary: #CBD5E1;
  --color-text-tertiary: #94A3B8;

  /* Colors - Charts (brighter for dark backgrounds) */
  --color-chart-green: #4ADE80;
  --color-chart-red: #F87171;
  --color-chart-grid: #334155;

  /* Shadows (darker for dark mode) */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
}

/* Dark mode element overrides */
[data-theme="dark"] .btn {
  color: #FFFFFF;
}

[data-theme="dark"] .pattern-match-pattern-display .green,
[data-theme="dark"] .comparison-chart-pattern .green {
  color: #4ADE80;
}

[data-theme="dark"] .pattern-match-pattern-display .red,
[data-theme="dark"] .comparison-chart-pattern .red {
  color: #F87171;
}

[data-theme="dark"] .pattern-code .green {
  color: #4ADE80;
}

[data-theme="dark"] .pattern-code .red {
  color: #F87171;
}

[data-theme="dark"] .badge-info {
  background: var(--color-primary);
  color: #FFFFFF;
}

[data-theme="dark"] .badge-success {
  color: #4ADE80;
}

[data-theme="dark"] .badge-warning {
  color: #FBBF24;
}

[data-theme="dark"] .badge-error {
  color: #F87171;
}

[data-theme="dark"] .pattern-match-chart {
  background: var(--color-gray-100);
}

[data-theme="dark"] .pattern-match-chart canvas {
  background: transparent;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--color-text-primary);
  background: var(--color-bg);
  min-height: 100vh;
}

/* ========================================
   TOP BAR
   ======================================== */
.top-bar {
  height: var(--topbar-height);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 var(--space-6);
  gap: var(--space-4);
  position: sticky;
  top: 0;
  z-index: 100;
}

.top-bar h1 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-primary);
}

.top-bar h1 a {
  color: inherit;
  text-decoration: none;
}

.top-bar h1 a:hover {
  color: var(--color-primary);
}

.leave-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.leave-link:hover {
  color: var(--color-primary);
  background: var(--color-gray-100);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: all 0.15s ease;
}

.theme-toggle:hover {
  color: var(--color-primary);
  background: var(--color-gray-100);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

.theme-toggle .icon-sun {
  display: none;
}

.theme-toggle .icon-moon {
  display: block;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: block;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: none;
}

/* ========================================
   LAYOUT
   ======================================== */
.container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: var(--space-6);
}

.page-title {
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  padding: var(--space-1) var(--space-2);
  margin-bottom: var(--space-2);
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.back-link:hover {
  color: var(--color-primary);
  background: var(--color-gray-100);
}

/* ========================================
   MODULE NAVIGATION
   ======================================== */
.module-nav {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-4);
}

.module-card {
  background: var(--color-white);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  text-decoration: none;
  color: var(--color-text-primary);
  transition: all 0.15s ease;
  display: block;
}

.module-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.module-card.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
  background: var(--color-gray-50);
}

.module-card h2 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-1);
  color: var(--color-text-primary);
}

.module-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

/* ========================================
   CARDS
   ======================================== */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

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

.card-title {
  font-size: var(--text-lg);
  font-weight: 600;
}

.card-body {
  padding: var(--space-5);
}

/* ========================================
   FILTERS & FORMS
   ======================================== */
.filters {
  display: flex;
  gap: var(--space-4);
  align-items: flex-end;
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
  padding: var(--space-4);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

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

.filter-group label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
}

.filter-group input,
.filter-group select {
  height: 36px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  color: var(--color-text-primary);
  font-size: var(--text-base);
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.filter-group input:focus,
.filter-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* Autocomplete */
.autocomplete-wrapper {
  position: relative;
  width: 280px;
}

.autocomplete-wrapper input {
  width: 100%;
}

.autocomplete-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  max-height: 300px;
  overflow-y: auto;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  box-shadow: var(--shadow-md);
  z-index: 1000;
  display: none;
}

.autocomplete-results.active {
  display: block;
}

.autocomplete-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  transition: background 0.1s ease;
}

.autocomplete-item:hover,
.autocomplete-item.selected {
  background: var(--color-gray-100);
}

.autocomplete-item-symbol {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-primary);
  min-width: 60px;
}

.autocomplete-item-name {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.autocomplete-item-industry {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.autocomplete-empty {
  padding: var(--space-3);
  text-align: center;
  color: var(--color-text-tertiary);
  font-size: var(--text-sm);
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 36px;
  padding: 0 var(--space-4);
  font-family: inherit;
  font-size: var(--text-base);
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  box-sizing: border-box;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  background: var(--color-primary);
  color: var(--color-white);
}

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

.btn-secondary {
  background: var(--color-white);
  color: var(--color-text-primary);
  border: 1px solid var(--color-gray-300);
}

.btn-secondary:hover {
  background: var(--color-gray-50);
  border-color: var(--color-gray-400);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ========================================
   TABLES
   ======================================== */
.table-container {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-base);
}

th, td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

th {
  background: var(--color-gray-50);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.025em;
  position: sticky;
  top: 0;
  white-space: nowrap;
}

tbody tr {
  transition: background 0.1s ease;
}

tbody tr:hover {
  background: var(--color-gray-50);
}

tbody tr:last-child td {
  border-bottom: none;
}

.cell-id {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.cell-number {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.cell-date {
  white-space: nowrap;
  color: var(--color-text-secondary);
}

.table-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  background: var(--color-gray-50);
  border-top: 1px solid var(--color-border);
}

.table-info {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.table-pagination {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* ========================================
   STATUS BADGES
   ======================================== */
.badge {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 var(--space-2);
  font-size: var(--text-xs);
  font-weight: 500;
  border-radius: 9999px;
}

.badge-success {
  background: var(--color-success-light);
  color: #15803D;
}

.badge-warning {
  background: var(--color-warning-light);
  color: #B45309;
}

.badge-error {
  background: var(--color-error-light);
  color: #B91C1C;
}

.badge-info {
  background: var(--color-info-light);
  color: #1D4ED8;
}

/* ========================================
   LOADING & ERRORS
   ======================================== */
.loading {
  padding: var(--space-8);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--text-base);
}

.loading::before {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  margin-right: var(--space-2);
  border: 2px solid var(--color-gray-300);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: middle;
}

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

.error {
  padding: var(--space-4);
  background: var(--color-error-light);
  border: 1px solid var(--color-error);
  border-radius: var(--radius-md);
  color: #B91C1C;
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
}

/* ========================================
   EMPTY STATE
   ======================================== */
.empty-state {
  padding: var(--space-8);
  text-align: center;
  color: var(--color-text-tertiary);
}

.empty-state h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text-secondary);
}

.empty-state p {
  font-size: var(--text-base);
}

/* ========================================
   UTILITIES
   ======================================== */
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--color-text-tertiary); }
.text-mono { font-family: var(--font-mono); }

/* ========================================
   STOCK-SPECIFIC STYLES
   ======================================== */
.positive {
  color: #15803D;
}

.negative {
  color: #B91C1C;
}

/* ========================================
   CHART STYLES
   ======================================== */
.chart-controls {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.chart-range-buttons {
  display: flex;
  gap: 0;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.range-btn {
  height: 32px;
  padding: 0 var(--space-3);
  border: none;
  border-right: 1px solid var(--color-gray-300);
  background: var(--color-white);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.range-btn:last-child {
  border-right: none;
}

.range-btn:hover {
  background: var(--color-gray-50);
  color: var(--color-text-primary);
}

.range-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
}

.chart-nav-buttons {
  display: flex;
  gap: 0;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.nav-btn {
  height: 32px;
  width: 32px;
  padding: 0;
  border: none;
  border-right: 1px solid var(--color-gray-300);
  background: var(--color-white);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s ease;
}

.nav-btn:last-child {
  border-right: none;
}

.nav-btn:hover:not(:disabled) {
  background: var(--color-gray-50);
  color: var(--color-text-primary);
}

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

.chart-controls select {
  height: 32px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  font-family: inherit;
  cursor: pointer;
}

.chart-controls select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

.chart-wrapper {
  position: relative;
  height: 400px;
  width: 100%;
}

#price-chart {
  position: absolute;
  top: 0;
  left: 0;
  width: 100% !important;
  height: 100% !important;
}

/* Sticky Chart */
.chart-sticky {
  position: fixed;
  left: 0;
  right: 0;
  z-index: 100;
  margin: 0;
  border-radius: 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: none;
}

.chart-sticky .card-header {
  padding: var(--space-2) var(--space-4);
}

.chart-sticky .card-header .card-title {
  font-size: var(--text-sm);
}

.chart-sticky .card-body {
  padding: var(--space-2) var(--space-4);
}

.chart-sticky .chart-wrapper {
  height: 150px;
}

.chart-sticky .chart-range-buttons .range-btn {
  height: 24px;
  font-size: var(--text-xs);
  padding: 0 var(--space-2);
}

.chart-sticky .chart-controls select {
  height: 24px;
  font-size: var(--text-xs);
}

.chart-sticky .chart-controls .btn {
  height: 24px;
  font-size: var(--text-xs);
  padding: 0 var(--space-2);
  min-width: auto;
}

.chart-placeholder {
  visibility: hidden;
}

/* Pattern Search Controls */
.pattern-search-controls {
  padding: var(--space-4);
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}

.pattern-info {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
}

.pattern-info .pattern-code {
  font-family: var(--font-mono);
  background: var(--color-white);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  margin-left: var(--space-2);
}

.pattern-info .pattern-code .green {
  color: #15803D;
}

.pattern-info .pattern-code .red {
  color: #B91C1C;
}

.pattern-info .pattern-code .neutral {
  color: #6B7280;
}

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

.pattern-algorithm-select {
  height: 32px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  font-family: inherit;
  cursor: pointer;
}

.pattern-algorithm-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

.algorithm-help-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-gray-200);
  color: var(--color-text-secondary);
  font-size: var(--text-xs);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.15s ease;
}

.algorithm-help-link:hover {
  background: var(--color-primary);
  color: white;
}

.pattern-option-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.pattern-option-label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pattern-option-control {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.pattern-match-mode {
  display: flex;
  gap: var(--space-1);
  background: var(--color-gray-100);
  border-radius: var(--radius-md);
  padding: 2px;
}

.match-mode-option {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.match-mode-option input {
  display: none;
}

.match-mode-option span {
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  transition: all 0.15s ease;
}

.match-mode-option input:checked + span {
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Pattern Matches */
#pattern-matches-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

#pattern-matches-list:empty {
  display: none;
}

.pattern-match-group {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-elevated);
  overflow: hidden;
}

.pattern-match-group-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-gray-50);
  cursor: pointer;
  user-select: none;
}

.pattern-match-group-header:hover {
  background: var(--color-gray-100);
}

.pattern-match-symbol {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-primary);
}

.pattern-match-count {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  flex: 1;
}

.pattern-match-expand {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.pattern-match-items {
  display: flex;
  flex-direction: column;
}

.pattern-match-item {
  display: flex;
  flex-direction: column;
  padding: var(--space-2);
  cursor: pointer;
  transition: background 0.15s ease;
  border-top: 1px solid var(--color-border);
}

.pattern-match-item:hover {
  background: var(--color-gray-50);
}

.pattern-match-item.pattern-match-hidden {
  display: none;
}

.pattern-match-dates {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-1);
}

.pattern-match-pattern-display {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  text-align: center;
  margin-top: var(--space-2);
  letter-spacing: 0.1em;
}

.pattern-match-pattern-display .green {
  color: #15803D;
}

.pattern-match-pattern-display .red {
  color: #B91C1C;
}

.pattern-match-chart {
  width: 100%;
  height: 140px;
  background: var(--color-gray-50);
  border-radius: var(--radius-sm);
}

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

.selecting-pattern {
  cursor: crosshair !important;
}

/* ========================================
   DATA GRID COMPONENT
   ======================================== */
data-grid {
  display: block;
}

data-grid .grid-wrapper {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

data-grid .grid-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-gray-50);
  border-bottom: 1px solid var(--color-border);
}

data-grid .grid-search input {
  width: 220px;
  height: 32px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-family: inherit;
  background: var(--color-white);
}

data-grid .grid-search input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

data-grid .toolbar-separator {
  width: 1px;
  height: 24px;
  background: var(--color-gray-300);
}

data-grid .toolbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: auto;
}

data-grid .toolbar-buttons {
  display: flex;
  gap: var(--space-2);
}

data-grid .btn-toolbar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  padding: 0 var(--space-3);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-secondary);
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

data-grid .btn-toolbar:hover {
  color: var(--color-text-primary);
  border-color: var(--color-gray-400);
  background: var(--color-white);
}

data-grid .grid-export-btn {
  background: var(--color-success-light);
  border-color: var(--color-success);
  color: #15803D;
}

data-grid .grid-export-btn:hover {
  background: #BBF7D0;
  border-color: #16A34A;
}

data-grid .grid-info {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

data-grid .column-chooser-wrapper {
  position: relative;
}

data-grid .column-chooser-panel {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--space-1);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px -5px rgb(0 0 0 / 0.1);
  min-width: 180px;
  max-height: 300px;
  overflow-y: auto;
  z-index: 100;
}

data-grid .column-chooser-panel.open {
  display: block;
}

data-grid .column-chooser-panel label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-primary);
  transition: background 0.1s;
}

data-grid .column-chooser-panel label:hover {
  background: var(--color-gray-50);
}

data-grid .column-chooser-panel input[type="checkbox"] {
  width: 14px;
  height: 14px;
  accent-color: var(--color-primary);
}

data-grid .grid-container {
  height: 600px;
  width: 100%;
}

/* AG Grid Theme Overrides */
data-grid .ag-theme-quartz {
  --ag-font-family: var(--font-sans);
  --ag-font-size: var(--text-base);
  --ag-background-color: var(--color-white);
  --ag-foreground-color: var(--color-text-primary);
  --ag-header-background-color: var(--color-white);
  --ag-header-foreground-color: var(--color-text-secondary);
  --ag-header-cell-hover-background-color: var(--color-gray-50);
  --ag-row-hover-color: var(--color-gray-100);
  --ag-selected-row-background-color: var(--color-primary-light);
  --ag-border-color: var(--color-border);
  --ag-secondary-border-color: var(--color-border);
  --ag-row-border-color: var(--color-border);
  --ag-cell-horizontal-padding: var(--space-3);
  --ag-grid-size: 6px;
  --ag-list-item-height: 36px;
  --ag-header-height: 40px;
  --ag-row-height: 38px;
  --ag-input-focus-border-color: var(--color-primary);
  --ag-range-selection-border-color: var(--color-primary);
  --ag-checkbox-checked-color: var(--color-primary);
  --ag-toggle-button-on-background-color: var(--color-primary);
  --ag-input-border-color: var(--color-gray-300);
  --ag-border-radius: 0;
  --ag-card-radius: 0;
  --ag-icon-size: 16px;
  --ag-wrapper-border-radius: 0;
  border: none;
}

data-grid .ag-theme-quartz .ag-root-wrapper {
  border: none;
  border-radius: 0;
}

data-grid .ag-theme-quartz .ag-header {
  border-bottom: 1px solid var(--color-border);
}

data-grid .ag-theme-quartz .ag-header-cell-text {
  font-weight: 600;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

data-grid .ag-theme-quartz .ag-cell {
  line-height: 38px;
}

data-grid .ag-theme-quartz .ag-paging-panel {
  border-top: 1px solid var(--color-border);
  background: var(--color-gray-50);
  font-size: 12px;
  color: var(--color-text-secondary);
}

/* Stock-specific row colors */
data-grid .ag-theme-quartz .ag-row.row-positive {
  --ag-row-hover-color: #BBF7D0;
  background-color: #DCFCE7 !important;
}

data-grid .ag-theme-quartz .ag-row.row-negative {
  --ag-row-hover-color: #FECACA;
  background-color: #FEE2E2 !important;
}

/* Positive/negative cell colors */
data-grid .ag-theme-quartz .ag-cell.positive {
  color: #15803D;
}

data-grid .ag-theme-quartz .ag-cell.negative {
  color: #B91C1C;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
  .container {
    padding: var(--space-4);
  }

  .filters {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-group {
    width: 100%;
  }

  .module-nav {
    grid-template-columns: 1fr;
  }

  table {
    font-size: var(--text-sm);
  }

  th, td {
    padding: var(--space-2) var(--space-3);
  }

  data-grid .grid-container {
    height: 400px;
  }

  data-grid .grid-toolbar {
    flex-wrap: wrap;
  }

  data-grid .grid-search input {
    width: 100%;
  }
}

/* ========================================
   COMPARISON MODAL
   ======================================== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
}

.modal-content {
  position: relative;
  background: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.comparison-modal-content {
  width: 90vw;
  max-width: 1400px;
}

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

.modal-header h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.modal-close:hover {
  color: var(--color-text-primary);
}

.modal-body {
  padding: var(--space-5);
  overflow-y: auto;
}

.comparison-charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.comparison-chart-panel {
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.comparison-chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}

.comparison-chart-symbol {
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-primary);
}

.comparison-chart-dates {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.comparison-chart-wrapper {
  height: 300px;
  background: var(--color-bg-elevated);
  border-radius: var(--radius-sm);
}

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

.comparison-chart-pattern {
  text-align: center;
  margin-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
}

.comparison-chart-pattern .green {
  color: #15803D;
}

.comparison-chart-pattern .red {
  color: #B91C1C;
}

@media (max-width: 900px) {
  .comparison-charts {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   ALGORITHMS DOCUMENTATION PAGE
   ======================================== */
.algorithm-docs {
  line-height: 1.7;
}

.algorithm-docs h4 {
  margin-top: var(--space-5);
  margin-bottom: var(--space-3);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-primary);
}

.algorithm-docs h5 {
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.algorithm-docs ul {
  margin: var(--space-2) 0;
  padding-left: var(--space-5);
}

.algorithm-docs li {
  margin-bottom: var(--space-1);
}

.algorithm-docs code {
  background: var(--color-gray-100);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.algorithm-table {
  width: 100%;
  margin: var(--space-3) 0;
  border-collapse: collapse;
}

.algorithm-table th,
.algorithm-table td {
  padding: var(--space-2) var(--space-3);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.algorithm-table th {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  background: var(--color-gray-50);
}

.algorithm-table td {
  font-size: var(--text-sm);
}

.algorithm-example {
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin: var(--space-4) 0;
}

.example-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.example-sublabel {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  display: block;
  margin-bottom: var(--space-1);
}

.example-pattern {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.example-transform {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.transform-arrow {
  text-align: center;
  color: var(--color-text-tertiary);
  font-size: var(--text-lg);
}

.example-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.pattern-symbol {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: var(--text-sm);
}

.pattern-symbol.green {
  background: #DCFCE7;
  color: #15803D;
}

.pattern-symbol.red {
  background: #FEE2E2;
  color: #B91C1C;
}

.size-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 500;
}

.size-badge.small {
  background: #FEF3C7;
  color: #92400E;
}

.size-badge.medium {
  background: #DBEAFE;
  color: #1E40AF;
}

.size-badge.large {
  background: #F3E8FF;
  color: #6B21A8;
}

.algorithm-note {
  margin-top: var(--space-4);
  padding: var(--space-3);
  background: #EFF6FF;
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: var(--text-sm);
}