/* ============================================
   Modern Dark Theme - Stock Market Dashboard
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #0f1520;
  --bg-card: #111827;
  --bg-card-hover: #1a2332;
  --bg-input: #1e293b;
  --accent-blue: #3b82f6;
  --accent-blue-light: #60a5fa;
  --accent-blue-dark: #1d4ed8;
  --accent-gold: #f59e0b;
  --accent-gold-light: #fbbf24;
  --accent-gold-dark: #d97706;
  --color-up: #ef4444;
  --color-down: #22c55e;
  --color-neutral: #9ca3af;
  --color-white: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  --navbar-height: 64px;
  --container-max: 1400px;
  --grid-gap: 24px;
}

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

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

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

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

a:hover {
  color: var(--accent-gold-light);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

/* --- Page Load Animation --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

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

@keyframes borderGlow {
  0%, 100% { border-color: rgba(59, 130, 246, 0.3); }
  50% { border-color: rgba(59, 130, 246, 0.6); }
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

body {
  animation: fadeIn 0.4s ease-out;
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
  opacity: 0;
}

.fade-in {
  animation: fadeIn 0.5s ease-out forwards;
  opacity: 0;
}

.slide-in-left {
  animation: slideInLeft 0.5s ease-out forwards;
  opacity: 0;
}

.slide-in-right {
  animation: slideInRight 0.5s ease-out forwards;
  opacity: 0;
}

/* Staggered animation delays for child elements */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.stagger-6 { animation-delay: 0.6s; }

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background: rgba(10, 14, 23, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 24px;
  transition: background var(--transition-normal), box-shadow var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(10, 14, 23, 0.92);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  text-decoration: none;
}

.navbar-brand:hover {
  color: var(--accent-gold-light);
}

.navbar-brand .logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-gold));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 800;
  color: var(--bg-primary);
}

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

.navbar-nav a {
  padding: 8px 16px;
  border-radius: var(--border-radius-sm);
  color: var(--color-gray-300);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.navbar-nav a:hover {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.06);
}

.navbar-nav a.active {
  color: var(--accent-blue-light);
  background: rgba(59, 130, 246, 0.1);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.navbar-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-gray-300);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.navbar-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar-toggle.active span:nth-child(2) {
  opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Main Content --- */
.main-content {
  padding-top: calc(var(--navbar-height) + 24px);
  padding-bottom: 48px;
  min-height: 100vh;
}

/* --- Three-Column Layout (三大板块) --- */
.three-column-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr 1fr;
  gap: var(--grid-gap);
  margin-bottom: var(--grid-gap);
}

.three-column-layout > .column {
  display: flex;
  flex-direction: column;
  gap: var(--grid-gap);
}

/* --- Section Headers --- */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title .icon {
  width: 20px;
  height: 20px;
  color: var(--accent-blue-light);
}

.section-subtitle {
  font-size: 0.8rem;
  color: var(--color-gray-500);
  margin-top: 2px;
}

.section-action {
  font-size: 0.8rem;
  color: var(--accent-blue-light);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.section-action:hover {
  color: var(--accent-gold-light);
}

/* --- Card Base --- */
.card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: all var(--transition-normal);
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-blue), var(--accent-gold), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

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

.card-gradient {
  position: relative;
}

.card-gradient::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--border-radius);
  padding: 1px;
  background: linear-gradient(135deg, var(--accent-blue), transparent 40%, transparent 60%, var(--accent-gold));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.card-gradient:hover::after {
  opacity: 1;
}

.card-body {
  padding: 20px;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.15);
}

/* --- Up/Down Classes --- */
.up,
.down {
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.up {
  color: var(--color-up);
}

.down {
  color: var(--color-down);
}

.up::before {
  content: '\25B2';
  font-size: 0.65em;
  line-height: 1;
}

.down::before {
  content: '\25BC';
  font-size: 0.65em;
  line-height: 1;
}

.up-value,
.down-value {
  font-variant-numeric: tabular-nums;
}

.up-bg {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: var(--border-radius-sm);
  padding: 4px 8px;
}

.down-bg {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.2);
  border-radius: var(--border-radius-sm);
  padding: 4px 8px;
}

/* --- Stock Price Display --- */
.stock-price {
  font-size: 2rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.stock-price.up { color: var(--color-up); }
.stock-price.down { color: var(--color-down); }

.stock-price-change {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
  font-size: 0.95rem;
}

.stock-price-change .change-value {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.stock-price-change .change-percent {
  font-variant-numeric: tabular-nums;
}

.stock-price-change.up .change-value,
.stock-price-change.up .change-percent {
  color: var(--color-up);
}

.stock-price-change.down .change-value,
.stock-price-change.down .change-percent {
  color: var(--color-down);
}

/* --- Mini Chart Container --- */
.mini-chart-container {
  width: 100%;
  height: 80px;
  position: relative;
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  background: rgba(0, 0, 0, 0.15);
}

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

.mini-chart-container.chart-sm {
  height: 48px;
}

.mini-chart-container.chart-md {
  height: 120px;
}

.mini-chart-container.chart-lg {
  height: 200px;
}

.mini-chart-container.chart-xl {
  height: 300px;
}

.chart-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--border-radius-sm);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.mini-chart-container:hover .chart-overlay {
  opacity: 1;
}

.chart-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--bg-card) 25%,
    var(--bg-card-hover) 50%,
    var(--bg-card) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

/* --- Stock Detail Row (high/low/volume/indicators) --- */
.stock-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.stock-detail-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
}

.stock-detail-row:last-child {
  border-bottom: none;
}

.stock-detail-row .detail-label {
  font-size: 0.82rem;
  color: var(--color-gray-500);
  font-weight: 500;
}

.stock-detail-row .detail-value {
  font-size: 0.88rem;
  color: var(--color-white);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.stock-detail-row .detail-value.up { color: var(--color-up); }
.stock-detail-row .detail-value.down { color: var(--color-down); }

.stock-detail-row.highlight .detail-label {
  color: var(--color-gray-300);
}

.stock-detail-row.highlight .detail-value {
  color: var(--accent-gold-light);
  font-size: 1rem;
}

.stock-detail-row .detail-change {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.stock-detail-row .detail-change .primary {
  font-size: 0.88rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.stock-detail-row .detail-change .secondary {
  font-size: 0.75rem;
  color: var(--color-gray-500);
  font-variant-numeric: tabular-nums;
}

/* --- News Card Styles --- */
.news-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  padding: 16px;
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
}

.news-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateX(4px);
}

.news-card .news-source {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 0.75rem;
  color: var(--color-gray-500);
}

.news-card .news-source .source-logo {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  background: var(--bg-input);
}

.news-card .news-source .source-name {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.news-card .news-source .news-time {
  margin-left: auto;
}

.news-card .news-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-white);
  line-height: 1.45;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card .news-summary {
  font-size: 0.82rem;
  color: var(--color-gray-400);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card .news-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.news-card .news-tag {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 20px;
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-blue-light);
  border: 1px solid rgba(59, 130, 246, 0.15);
  font-weight: 500;
}

.news-card .news-tag.hot {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-up);
  border-color: rgba(239, 68, 68, 0.15);
}

.news-card .news-tag.positive {
  background: rgba(34, 197, 94, 0.1);
  color: var(--color-down);
  border-color: rgba(34, 197, 94, 0.15);
}

.news-card .news-sentiment {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
}

.news-card .news-sentiment.bullish {
  color: var(--color-up);
  background: rgba(239, 68, 68, 0.08);
}

.news-card .news-sentiment.bearish {
  color: var(--color-down);
  background: rgba(34, 197, 94, 0.08);
}

.news-card .news-sentiment.neutral {
  color: var(--color-neutral);
  background: rgba(156, 163, 175, 0.08);
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* --- Technical Indicator Tag Styles --- */
.indicator-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.indicator-tag .tag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.indicator-tag.buy {
  background: rgba(34, 197, 94, 0.12);
  color: var(--color-down);
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.indicator-tag.buy .tag-dot {
  background: var(--color-down);
}

.indicator-tag.sell {
  background: rgba(239, 68, 68, 0.12);
  color: var(--color-up);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.indicator-tag.sell .tag-dot {
  background: var(--color-up);
}

.indicator-tag.neutral {
  background: rgba(156, 163, 175, 0.1);
  color: var(--color-neutral);
  border: 1px solid rgba(156, 163, 175, 0.15);
}

.indicator-tag.neutral .tag-dot {
  background: var(--color-neutral);
}

.indicator-tag.blue {
  background: rgba(59, 130, 246, 0.12);
  color: var(--accent-blue-light);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.indicator-tag.blue .tag-dot {
  background: var(--accent-blue);
}

.indicator-tag.gold {
  background: rgba(245, 158, 11, 0.12);
  color: var(--accent-gold-light);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.indicator-tag.gold .tag-dot {
  background: var(--accent-gold);
}

.indicator-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.indicator-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: all var(--transition-normal);
}

.indicator-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.12);
}

.indicator-card .indicator-name {
  font-size: 0.78rem;
  color: var(--color-gray-500);
  font-weight: 500;
}

.indicator-card .indicator-value {
  font-size: 1rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--color-white);
}

.indicator-card .indicator-signal {
  font-size: 0.72rem;
  font-weight: 600;
}

.indicator-card .indicator-signal.buy { color: var(--color-down); }
.indicator-card .indicator-signal.sell { color: var(--color-up); }
.indicator-card .indicator-signal.neutral { color: var(--color-neutral); }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-blue);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--accent-blue-dark);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
  color: var(--color-white);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-gray-300);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

.btn-gold {
  background: var(--accent-gold);
  color: var(--bg-primary);
}

.btn-gold:hover {
  background: var(--accent-gold-dark);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.78rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--border-radius-sm);
}

/* --- Form Inputs --- */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-gray-400);
}

.input {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-input);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  transition: all var(--transition-fast);
}

.input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.input::placeholder {
  color: var(--color-gray-600);
}

.search-input {
  padding-left: 40px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 12px center;
}

/* --- Tabs --- */
.tabs {
  display: flex;
  gap: 4px;
  background: rgba(0, 0, 0, 0.2);
  padding: 4px;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
}

.tab {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-gray-400);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: transparent;
  border: none;
  font-family: var(--font-sans);
  white-space: nowrap;
}

.tab:hover {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.06);
}

.tab.active {
  color: var(--color-white);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
}

/* --- Table Styles --- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.data-table thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.data-table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  font-variant-numeric: tabular-nums;
  color: var(--color-white);
  vertical-align: middle;
}

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

.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

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

.data-table .col-name {
  font-weight: 600;
  white-space: nowrap;
}

.data-table .col-code {
  color: var(--color-gray-500);
  font-size: 0.78rem;
}

.data-table .col-up { color: var(--color-up); }
.data-table .col-down { color: var(--color-down); }

.data-table .col-right {
  text-align: right;
}

.data-table .col-center {
  text-align: center;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--color-gray-600);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-gray-500);
}

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

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 10px;
  background: var(--color-gray-800);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 6px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.tooltip:hover::after {
  opacity: 1;
}

/* --- Badge --- */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1.4;
}

.badge-primary {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue-light);
}

.badge-gold {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-gold-light);
}

.badge-up {
  background: rgba(239, 68, 68, 0.15);
  color: var(--color-up);
}

.badge-down {
  background: rgba(34, 197, 94, 0.15);
  color: var(--color-down);
}

.badge-neutral {
  background: rgba(156, 163, 175, 0.15);
  color: var(--color-gray-300);
}

/* --- Stat Card --- */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all var(--transition-normal);
}

.stat-card:hover {
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-md);
}

.stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--color-gray-500);
  font-weight: 500;
}

.stat-card .stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-white);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.stat-card .stat-change {
  font-size: 0.82rem;
  font-weight: 600;
}

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

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--grid-gap);
}

/* --- Alert / Flash --- */
.alert {
  padding: 14px 18px;
  border-radius: var(--border-radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid;
}

.alert-info {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.2);
  color: var(--accent-blue-light);
}

.alert-success {
  background: rgba(34, 197, 94, 0.1);
  border-color: rgba(34, 197, 94, 0.2);
  color: var(--color-down);
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.2);
  color: var(--accent-gold-light);
}

.alert-danger {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.2);
  color: var(--color-up);
}

/* --- Loading States --- */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-card) 25%,
    var(--bg-card-hover) 50%,
    var(--bg-card) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--border-radius-sm);
}

.skeleton-text {
  height: 14px;
  margin-bottom: 8px;
}

.skeleton-text:last-child {
  width: 60%;
}

.skeleton-title {
  height: 20px;
  width: 40%;
  margin-bottom: 12px;
}

.skeleton-chart {
  height: 120px;
}

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 14, 23, 0.7);
  border-radius: var(--border-radius);
  z-index: 10;
}

/* --- Flex Utility Classes --- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.flex-1 { flex: 1; }
.gap-4 { gap: 4px; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-20 { gap: 20px; }
.gap-24 { gap: 24px; }

/* --- Spacing Utility --- */
.m-0 { margin: 0; }
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-20 { margin-top: 20px; }
.mt-24 { margin-top: 24px; }
.mb-4 { margin-bottom: 4px; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.mb-24 { margin-bottom: 24px; }

.p-0 { padding: 0; }
.p-8 { padding: 8px; }
.p-12 { padding: 12px; }
.p-16 { padding: 16px; }
.p-20 { padding: 20px; }
.p-24 { padding: 24px; }
.px-12 { padding-left: 12px; padding-right: 12px; }
.px-16 { padding-left: 16px; padding-right: 16px; }
.py-8 { padding-top: 8px; padding-bottom: 8px; }
.py-12 { padding-top: 12px; padding-bottom: 12px; }
.py-16 { padding-top: 16px; padding-bottom: 16px; }

/* --- Text Utilities --- */
.text-white { color: var(--color-white); }
.text-gray { color: var(--color-gray-400); }
.text-gray-light { color: var(--color-gray-300); }
.text-blue { color: var(--accent-blue-light); }
.text-gold { color: var(--accent-gold-light); }
.text-up { color: var(--color-up); }
.text-down { color: var(--color-down); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.text-sm { font-size: 0.82rem; }
.text-base { font-size: 0.9rem; }
.text-lg { font-size: 1.1rem; }
.text-xl { font-size: 1.35rem; }
.text-2xl { font-size: 1.6rem; }
.text-3xl { font-size: 2rem; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }
.font-mono { font-family: var(--font-mono); }
.tabular-nums { font-variant-numeric: tabular-nums; }
.uppercase { text-transform: uppercase; }
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --- Display Utilities --- */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.grid { display: grid; }
.w-full { width: 100%; }
.h-full { height: 100%; }
.overflow-hidden { overflow: hidden; }
.relative { position: relative; }
.absolute { position: absolute; }
.rounded { border-radius: var(--border-radius); }
.rounded-sm { border-radius: var(--border-radius-sm); }

/* --- Responsive Grid --- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--grid-gap);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--grid-gap);
}

/* --- Footer --- */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border-color);
  margin-top: 48px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--color-gray-500);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-gray-300);
}

/* --- Responsive Breakpoints --- */

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
  .three-column-layout {
    grid-template-columns: 1fr 1fr;
  }

  .three-column-layout > .column:first-child {
    grid-column: 1 / -1;
  }

  .three-column-layout > .column:last-child {
    grid-column: 1 / -1;
  }

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

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

  .navbar-nav {
    display: none;
    position: absolute;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(10, 14, 23, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    gap: 4px;
  }

  .navbar-nav.open {
    display: flex;
  }

  .navbar-nav a {
    padding: 12px 16px;
    width: 100%;
  }

  .navbar-toggle {
    display: flex;
  }

  .container {
    padding: 0 16px;
  }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
  :root {
    --grid-gap: 16px;
    --navbar-height: 56px;
  }

  html {
    font-size: 15px;
  }

  .three-column-layout {
    grid-template-columns: 1fr;
  }

  .three-column-layout > .column:first-child,
  .three-column-layout > .column:last-child {
    grid-column: auto;
  }

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

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .stock-detail-grid {
    grid-template-columns: 1fr;
  }

  .stock-price {
    font-size: 1.6rem;
  }

  .data-table {
    font-size: 0.82rem;
  }

  .data-table thead th,
  .data-table tbody td {
    padding: 10px 10px;
  }

  .navbar {
    padding: 0 16px;
  }

  .navbar-brand {
    font-size: 1.1rem;
  }

  .section-title {
    font-size: 1rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }

  .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .card-body {
    padding: 16px;
  }

  .stat-card {
    padding: 16px;
  }

  .stat-card .stat-value {
    font-size: 1.25rem;
  }

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

  .news-card {
    padding: 14px;
  }
}

/* Small Mobile (< 480px) */
@media (max-width: 480px) {
  :root {
    --grid-gap: 12px;
  }

  html {
    font-size: 14px;
  }

  .container {
    padding: 0 12px;
  }

  .stock-price {
    font-size: 1.35rem;
  }

  .btn {
    padding: 8px 16px;
    font-size: 0.82rem;
  }

  .btn-lg {
    padding: 10px 20px;
    font-size: 0.88rem;
  }

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

  .stock-detail-grid {
    grid-template-columns: 1fr;
  }

  .card-body {
    padding: 14px;
  }

  .card-header {
    padding: 12px 14px;
  }
}

/* High DPI / Retina displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .navbar {
    border-bottom-width: 0.5px;
  }

  .card {
    border-width: 0.5px;
  }

  .data-table thead th,
  .data-table tbody td {
    border-bottom-width: 0.5px;
  }
}

/* Prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  body {
    animation: none;
  }
}

/* Dark mode forced (for systems with light mode) */
@media (prefers-color-scheme: light) {
  :root {
    color-scheme: dark;
  }
}

/* Print styles */
@media print {
  .navbar,
  .navbar-toggle,
  .footer {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  .card {
    border: 1px solid #e5e7eb;
    box-shadow: none;
    break-inside: avoid;
  }

  .main-content {
    padding-top: 0;
  }
}

/* --- Responsive helper: show/hide on breakpoints --- */
@media (min-width: 769px) {
  .hide-desktop { display: none !important; }
}

@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
}

@media (min-width: 1025px) {
  .hide-wide { display: none !important; }
}

@media (max-width: 1024px) {
  .show-wide-only { display: none !important; }
}

/* --- Misc Utility --- */
.w-1\/2 { width: 50%; }
.w-1\/3 { width: 33.333%; }
.w-2\/3 { width: 66.666%; }
.w-1\/4 { width: 25%; }
.w-3\/4 { width: 75%; }
.max-w-sm { max-width: 320px; }
.max-w-md { max-width: 480px; }
.max-w-lg { max-width: 640px; }
.mx-auto { margin-left: auto; margin-right: auto; }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }
.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-100 { opacity: 1; }
.pointer-events-none { pointer-events: none; }
.select-none { user-select: none; }
.cursor-pointer { cursor: pointer; }

/* --- Glassmorphism variants --- */
.glass {
  background: rgba(17, 24, 39, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.glass-light {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

/* --- Watchlist / Stock Row --- */
.stock-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: var(--border-radius-sm);
  transition: background var(--transition-fast);
  cursor: pointer;
}

.stock-row:hover {
  background: rgba(255, 255, 255, 0.04);
}

.stock-row .stock-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.stock-row .stock-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-white);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stock-row .stock-code {
  font-size: 0.75rem;
  color: var(--color-gray-500);
  font-family: var(--font-mono);
}

.stock-row .stock-price-col {
  text-align: right;
  flex-shrink: 0;
  margin-left: 12px;
}

.stock-row .stock-current {
  font-size: 0.9rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.stock-row .stock-change {
  font-size: 0.78rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.stock-row .stock-chart-mini {
  width: 60px;
  height: 30px;
  flex-shrink: 0;
  margin-left: 12px;
}

/* --- Watchlist Section --- */
.watchlist-container {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* --- Ticker Bar --- */
.ticker-bar {
  width: 100%;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--border-color);
  padding: 8px 0;
  margin-top: var(--navbar-height);
}

.ticker-track {
  display: flex;
  gap: 32px;
  animation: tickerScroll 30s linear infinite;
  white-space: nowrap;
}

@keyframes tickerScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 500;
  flex-shrink: 0;
}

.ticker-item .ticker-name {
  color: var(--color-gray-300);
}

.ticker-item .ticker-price {
  font-variant-numeric: tabular-nums;
  color: var(--color-white);
  font-weight: 600;
}

.ticker-item .ticker-change {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

/* --- Separator --- */
.divider {
  height: 1px;
  background: var(--border-color);
  margin: 16px 0;
}

.divider-vertical {
  width: 1px;
  background: var(--border-color);
  align-self: stretch;
  margin: 0 12px;
}

/* --- Empty State --- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  text-align: center;
  color: var(--color-gray-500);
}

.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state .empty-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-gray-400);
  margin-bottom: 8px;
}

.empty-state .empty-desc {
  font-size: 0.88rem;
  max-width: 320px;
  line-height: 1.5;
}

/* --- Notification dot --- */
.notification-dot {
  position: relative;
}

.notification-dot::after {
  content: '';
  position: absolute;
  top: 4px;
  right: 4px;
  width: 8px;
  height: 8px;
  background: var(--color-up);
  border-radius: 50%;
  border: 2px solid var(--bg-primary);
}

/* --- Pulse animation for live data --- */
.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-up);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(239, 68, 68, 0);
  }
}

.live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-up);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- Price flash animation --- */
.flash-up {
  animation: flashGreen 0.8s ease;
}

.flash-down {
  animation: flashRed 0.8s ease;
}

@keyframes flashGreen {
  0% { background: rgba(34, 197, 94, 0.3); }
  100% { background: transparent; }
}

@keyframes flashRed {
  0% { background: rgba(239, 68, 68, 0.3); }
  100% { background: transparent; }
}

/* --- Chart time period selector --- */
.time-selector {
  display: flex;
  gap: 2px;
  background: rgba(0, 0, 0, 0.2);
  padding: 3px;
  border-radius: 6px;
}

.time-selector button {
  padding: 4px 10px;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--color-gray-500);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
}

.time-selector button:hover {
  color: var(--color-gray-300);
}

.time-selector button.active {
  background: var(--bg-card);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

/* --- Volume bar --- */
.volume-bar {
  height: 4px;
  border-radius: 2px;
  background: var(--bg-input);
  overflow: hidden;
}

.volume-bar .volume-fill {
  height: 100%;
  border-radius: 2px;
  transition: width var(--transition-normal);
}

.volume-bar .volume-fill.up { background: var(--color-up); }
.volume-bar .volume-fill.down { background: var(--color-down); }

/* --- Progress bar --- */
.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-input);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-gold));
  transition: width var(--transition-slow);
}

/* --- Tag group --- */
.tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-gray-300);
  transition: all var(--transition-fast);
  cursor: default;
}

.tag:hover {
  background: rgba(255, 255, 255, 0.08);
}

.tag.active {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue-light);
  border-color: rgba(59, 130, 246, 0.3);
}

/* --- Separator dot --- */
.dot-separator {
  color: var(--color-gray-600);
  margin: 0 4px;
}

/* --- Backdrop / Modal Overlay --- */
.backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.backdrop.active {
  opacity: 1;
  visibility: visible;
}

/* --- Sidebar (mobile drawer) --- */
.sidebar-drawer {
  position: fixed;
  top: 0;
  right: -300px;
  width: 300px;
  height: 100vh;
  background: var(--bg-card);
  border-left: 1px solid var(--border-color);
  z-index: 1001;
  transition: right var(--transition-normal);
  overflow-y: auto;
}

.sidebar-drawer.open {
  right: 0;
}

.sidebar-drawer .drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-drawer .drawer-body {
  padding: 20px;
}

/* --- Gradient border animation on focus --- */
.card:focus-within {
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* --- Text gradient --- */
.text-gradient {
  background: linear-gradient(135deg, var(--accent-blue-light), var(--accent-gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Border gradient card (alternative) --- */
.border-gradient {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: 1px;
}

.border-gradient::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--border-radius);
  padding: 1px;
  background: linear-gradient(135deg, var(--accent-blue), transparent, var(--accent-gold));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.border-gradient > .card-inner {
  background: var(--bg-card);
  border-radius: calc(var(--border-radius) - 1px);
  padding: 20px;
}