:root {
  --bg-primary: #0b0e14;
  --bg-secondary: #121824;
  --bg-card: #182234;
  --bg-card-hover: #1e2a40;
  --border-color: #243046;
  --border-focus: #3b82f6;

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-blue: #3b82f6;
  --accent-blue-hover: #2563eb;
  --accent-green: #10b981;
  --accent-green-bg: rgba(16, 185, 129, 0.15);
  --accent-red: #ef4444;
  --accent-red-bg: rgba(239, 68, 68, 0.15);
  --accent-purple: #a855f7;
  --accent-orange: #f59e0b;
  --accent-orange-bg: rgba(245, 158, 11, 0.15);

  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

body.light-theme {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: #f1f5f9;
  --bg-card-hover: #e2e8f0;
  --border-color: #cbd5e1;
  --border-focus: #2563eb;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;

  --accent-green-bg: rgba(16, 185, 129, 0.12);
  --accent-red-bg: rgba(239, 68, 68, 0.12);
  --accent-orange-bg: rgba(245, 158, 11, 0.12);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  transition: background-color 0.25s ease, color 0.25s ease;
  overflow-x: hidden;
}

.hidden {
  display: none !important;
}

/* Layout container supporting Right Side Panel */
.app-layout {
  display: flex;
  width: 100%;
  min-height: 100vh;
  position: relative;
}

.app-container {
  flex: 1;
  max-width: 1560px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  width: 100%;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  background: var(--bg-secondary);
  padding: 18px 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-logo {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
}

.brand-info h1 {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.brand-subtitle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 4px;
  flex-wrap: wrap;
}

.dot-separator {
  color: var(--text-muted);
}

.pulse-icon {
  color: var(--accent-green);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.15); }
  100% { opacity: 1; transform: scale(1); }
}

.nse-link {
  color: var(--accent-blue);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
}

.nse-link:hover {
  text-decoration: underline;
  color: var(--accent-blue-hover);
}

.time-badge {
  background: var(--bg-card);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

/* Header Controls */
.header-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.auto-refresh-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  padding: 6px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  font-size: 0.84rem;
}

.auto-refresh-box select {
  background: transparent;
  color: var(--text-primary);
  border: none;
  font-family: var(--font-main);
  font-weight: 600;
  cursor: pointer;
  outline: none;
}

.refresh-countdown {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-blue);
  min-width: 24px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 15px;
  font-size: 0.86rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.18s ease;
  font-family: var(--font-main);
}

.btn-sm {
  padding: 5px 10px;
  font-size: 0.78rem;
}

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

.btn-primary:hover {
  background: var(--accent-blue-hover);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
}

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

.btn-secondary:hover {
  background: var(--bg-card-hover);
}

.btn-success {
  background: #059669;
  color: #ffffff;
}

.btn-success:hover {
  background: #047857;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-icon {
  background: var(--bg-card);
  color: var(--text-secondary);
  border-color: var(--border-color);
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: var(--radius-md);
}

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

.btn.loading i {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Metrics Bar */
.metrics-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}

.metric-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.metric-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-focus);
}

.metric-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.metric-icon.blue { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); }
.metric-icon.green { background: var(--accent-green-bg); color: var(--accent-green); }
.metric-icon.purple { background: rgba(168, 85, 247, 0.15); color: var(--accent-purple); }
.metric-icon.orange { background: var(--accent-orange-bg); color: var(--accent-orange); }

.metric-data {
  display: flex;
  flex-direction: column;
}

.metric-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.metric-value {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

/* Table Toolbar */
.table-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 8px 14px;
  min-width: 280px;
  flex: 1;
  color: var(--text-secondary);
  position: relative;
}

.search-box input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.86rem;
  width: 100%;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.btn-clear {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
}

/* View Switcher (Cards vs Table) */
.view-switch-box {
  display: inline-flex;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 3px;
  gap: 3px;
}

.view-toggle-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 700;
  font-family: var(--font-main);
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.view-toggle-btn:hover {
  color: var(--text-primary);
}

.view-toggle-btn.active {
  background: var(--accent-blue);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
}

.legend-box {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.badge-bullish {
  background: var(--accent-green-bg);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-bearish {
  background: var(--accent-red-bg);
  color: var(--accent-red);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-high-deliv {
  background: var(--accent-orange-bg);
  color: var(--accent-orange);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* =========================================================
   1. MOBILE CARDS VIEW (ALL 11 PARAMETERS AT A GLANCE)
   ========================================================= */
.cards-view-wrapper {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
}

.stock-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, border-color 0.15s ease;
}

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

/* Card Header */
.card-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

.card-title-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.card-sl {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.card-stock-name {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.card-stock-name:hover {
  color: var(--accent-blue);
  text-decoration: underline;
}

.card-pills {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}

.ticker-pill {
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  font-family: var(--font-mono);
}

.nse-tag {
  color: #ea580c;
  font-size: 0.7rem;
  font-weight: 700;
}

.card-price-group {
  text-align: right;
  flex-shrink: 0;
}

.card-price {
  font-size: 1.25rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.change-pill {
  font-size: 0.76rem;
  font-weight: 700;
  font-family: var(--font-mono);
  margin-top: 2px;
  display: inline-block;
}

.change-pill.positive { color: var(--accent-green); }
.change-pill.negative { color: var(--accent-red); }

/* Card Metrics Grid */
.card-grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.card-param-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.card-param-box.full-span {
  grid-column: 1 / -1;
}

.card-param-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.74rem;
  color: var(--text-muted);
  font-weight: 600;
}

.card-param-values {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-family: var(--font-mono);
}

.card-param-main {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.card-param-sub {
  font-size: 0.74rem;
  color: var(--text-muted);
}

/* 52W Range Bar inside Card */
.card-range-track {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
  margin: 6px 0 2px 0;
}

.card-range-fill {
  height: 100%;
  background: linear-gradient(90deg, #ef4444, #f59e0b, #10b981);
  border-radius: 3px;
}

/* DMA 3-column row in Card */
.card-dma-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-top: 4px;
}

.dma-chip {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 6px;
  text-align: center;
}

.dma-chip-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-weight: 600;
  display: block;
}

.dma-chip-value {
  font-size: 0.85rem;
  font-weight: 700;
  font-family: var(--font-mono);
  display: block;
}

/* Card Actions */
.card-actions-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 6px;
  border-top: 1px solid var(--border-color);
}

.card-action-btns {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* =========================================================
   2. TABLE VIEW & TOP SLIDER BAR (FOR DESKTOP / WIDE SCREENS)
   ========================================================= */
.top-slider-bar-wrapper {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: var(--shadow-sm);
}

.slider-header-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.slider-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-blue);
}

.slider-quick-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.nav-jump-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

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

.nav-jump-btn.active {
  background: rgba(59, 130, 246, 0.2);
  color: var(--accent-blue);
  border-color: var(--accent-blue);
}

.slider-buttons {
  display: flex;
  align-items: center;
  gap: 8px;
}

.slider-arrow-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 30px;
  height: 30px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.75rem;
  transition: all 0.15s ease;
}

.slider-arrow-btn:hover {
  background: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
}

.top-table-slider {
  width: 140px;
  height: 6px;
  border-radius: 3px;
  background: var(--border-color);
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
}

.top-table-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-blue);
  cursor: pointer;
  box-shadow: 0 0 6px rgba(59, 130, 246, 0.6);
}

.top-scroll-container {
  overflow-x: auto;
  overflow-y: hidden;
  height: 8px;
  background: var(--bg-card);
  border-radius: 4px;
}

.top-scroll-container::-webkit-scrollbar { height: 8px; }
.top-scroll-container::-webkit-scrollbar-thumb {
  background: var(--accent-blue);
  border-radius: 4px;
}

.top-scroll-content { height: 1px; }

/* Table Container */
.table-container {
  position: relative;
  border-radius: var(--radius-lg);
}

.table-wrapper {
  overflow-x: auto;
  max-width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  scroll-behavior: smooth;
}

.market-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  text-align: left;
  font-size: 0.86rem;
  white-space: nowrap;
}

.market-table th {
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 13px 15px;
  border-bottom: 2px solid var(--border-color);
}

.market-table th.col-sl { text-align: center; width: 60px; min-width: 60px; }
.market-table th.col-stock { min-width: 190px; }
.market-table th.col-price { text-align: right; }
.market-table th.col-yl, .market-table th.col-yh { text-align: right; }
.market-table th.col-dma { text-align: right; }
.market-table th.col-vol { text-align: right; }
.market-table th.col-deliv { text-align: right; }
.market-table th.col-actions { text-align: center; width: 110px; }

/* Sticky columns ONLY on desktop (> 900px) */
@media (min-width: 901px) {
  .sticky-col-1 {
    position: sticky;
    left: 0;
    z-index: 10;
    background: var(--bg-secondary);
  }
  .sticky-col-2 {
    position: sticky;
    left: 60px;
    z-index: 10;
    background: var(--bg-secondary);
    box-shadow: 3px 0 6px -2px rgba(0, 0, 0, 0.4);
  }
  .market-table thead .sticky-col-1,
  .market-table thead .sticky-col-2 {
    background: var(--bg-card);
    z-index: 11;
  }
}

.market-table tbody tr {
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  transition: background-color 0.12s ease;
}

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

.market-table td {
  padding: 12px 15px;
  vertical-align: middle;
  font-family: var(--font-mono);
  border-bottom: 1px solid var(--border-color);
}

.td-sl {
  text-align: center;
  color: var(--text-muted);
  font-weight: 600;
}

.stock-cell { font-family: var(--font-main); }
.stock-name-link {
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  display: block;
  font-size: 0.9rem;
}
.stock-name-link:hover {
  color: var(--accent-blue);
  text-decoration: underline;
}

.stock-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
}

.price-cell { text-align: right; }
.main-price { font-weight: 700; font-size: 0.93rem; color: var(--text-primary); }

.dma-val { text-align: right; font-weight: 600; }
.dma-val.above { color: var(--accent-green); }
.dma-val.below { color: var(--accent-red); }

.vol-cell { text-align: right; color: var(--text-secondary); }
.vol-raw { font-size: 0.7rem; color: var(--text-muted); display: block; }

.deliv-cell { text-align: right; font-weight: 700; }
.deliv-badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 6px;
  min-width: 58px;
  text-align: right;
}

.deliv-high {
  background: var(--accent-green-bg);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.deliv-medium {
  background: var(--accent-orange-bg);
  color: var(--accent-orange);
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.deliv-normal { color: var(--text-secondary); }

.actions-cell { text-align: center; }
.action-btn-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.btn-table-action {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 28px;
  height: 28px;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.76rem;
  transition: all 0.15s ease;
}

.btn-table-action:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.btn-table-action.inspect-btn:hover {
  background: rgba(59, 130, 246, 0.2);
  color: var(--accent-blue);
  border-color: var(--accent-blue);
}

.btn-table-action.delete-btn:hover {
  background: var(--accent-red-bg);
  color: var(--accent-red);
  border-color: rgba(239, 68, 68, 0.4);
}

/* =========================================================
   3. SIDE RIGHT PANEL (FOR DESKTOP VIEW)
   ========================================================= */
.side-right-panel {
  width: 380px;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: sticky;
  top: 0;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), width 0.3s ease;
  z-index: 100;
  box-shadow: -4px 0 16px rgba(0, 0, 0, 0.35);
}

.side-right-panel.collapsed {
  transform: translateX(100%);
  position: fixed;
  right: 0;
}

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

.panel-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-blue);
}

.panel-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.1rem;
  width: 30px;
  height: 30px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.panel-close-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.panel-body {
  padding: 18px;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.panel-empty-state i {
  font-size: 36px;
  margin-bottom: 12px;
  display: block;
  opacity: 0.5;
}

/* =========================================================
   4. ON-DEMAND POPUP WINDOW
   ========================================================= */
.detail-modal-card {
  max-width: 600px;
  width: 95%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.detail-header {
  background: var(--bg-card);
  padding: 18px 22px;
}

.detail-title-box h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
}

.detail-subtitle {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

.detail-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.detail-modal-body {
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.param-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.section-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.price-hero-box {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-price {
  font-size: 1.7rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.76rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  margin-bottom: 6px;
}

.range-track {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.range-fill {
  height: 100%;
  background: linear-gradient(90deg, #ef4444, #f59e0b, #10b981);
  border-radius: 4px;
}

.param-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.param-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.param-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.param-name {
  font-size: 0.74rem;
  color: var(--text-muted);
  font-weight: 600;
}

.param-val {
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.param-tag {
  font-size: 0.68rem;
  font-weight: 700;
  margin-top: 2px;
}

.detail-modal-footer {
  background: var(--bg-card);
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Loading Overlay */
.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(11, 14, 20, 0.85);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  z-index: 50;
}

.spinner {
  width: 44px;
  height: 44px;
  border: 4px solid rgba(59, 130, 246, 0.2);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
}

.modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: modalIn 0.2s ease-out;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.96) translateY(-10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 { font-size: 1.15rem; font-weight: 700; }
.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  cursor: pointer;
}
.modal-close:hover { color: var(--text-primary); }

.modal-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  font-family: var(--font-main);
}

.form-group input:focus { border-color: var(--border-focus); }
.form-hint { font-size: 0.74rem; color: var(--text-muted); }

.quick-chips {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.chip-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 0.72rem;
  cursor: pointer;
  font-family: var(--font-mono);
  font-weight: 600;
}

.chip-btn:hover {
  background: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 10px;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 2000;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-blue);
  color: var(--text-primary);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 0.86rem;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideIn 0.25s ease-out;
}

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

@keyframes slideIn {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Footer */
.app-footer {
  padding: 16px 4px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

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

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-indicator.live {
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

/* =========================================================
   RESPONSIVE MEDIA QUERIES (FIXING MOBILE ISSUES)
   ========================================================= */
@media (max-width: 1100px) {
  .side-right-panel {
    display: none !important;
  }
}

@media (max-width: 900px) {
  /* On mobile and narrow screens, disable sticky columns so nothing is obstructed */
  .sticky-col-1,
  .sticky-col-2 {
    position: static !important;
    box-shadow: none !important;
  }
  
  /* Hide the desktop top slider bar on mobile */
  .top-slider-bar-wrapper {
    display: none !important;
  }

  .app-container {
    padding: 12px 14px;
  }

  .header-brand { width: 100%; }
  .header-controls { width: 100%; justify-content: flex-start; }
  .table-toolbar { flex-direction: column; align-items: stretch; }
  .search-box { width: 100%; min-width: auto; }
  .view-switch-box { width: 100%; }
  .view-toggle-btn { flex: 1; justify-content: center; }

  .param-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-modal-card { width: 98%; max-height: 94vh; }
}