/* ==========================================================================
   AI Model Comparison Dashboard - Dual Theme (Dark & Light)
   Modern, Soft, Premium Developer Interface
   ========================================================================== */

:root,
[data-theme="dark"] {
  /* Color Palette - Dark Mode */
  --bg-page: #0b0f19;
  --bg-card: #111827;
  --bg-card-hover: #172136;
  --bg-table: #0d1322;
  --bg-table-header: #141b2d;
  --bg-table-row-alt: rgba(255, 255, 255, 0.015);
  --bg-table-row-hover: rgba(56, 189, 248, 0.05);

  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-medium: rgba(255, 255, 255, 0.12);
  --border-focus: #38bdf8;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Metric Status Colors */
  --metric-pos-bg: rgba(16, 185, 129, 0.12);
  --metric-pos-border: rgba(16, 185, 129, 0.25);
  --metric-pos-text: #34d399;
  --metric-pos-dot: #10b981;

  --metric-neg-bg: rgba(244, 63, 94, 0.12);
  --metric-neg-border: rgba(244, 63, 94, 0.25);
  --metric-neg-text: #fb7185;
  --metric-neg-dot: #f43f5e;

  --metric-neu-bg: rgba(148, 163, 184, 0.08);
  --metric-neu-border: rgba(148, 163, 184, 0.18);
  --metric-neu-text: #94a3b8;
  --metric-neu-dot: #64748b;

  /* Baseline Accent */
  --baseline-row-bg: rgba(14, 165, 233, 0.06);
  --baseline-row-hover: rgba(14, 165, 233, 0.1);
  --baseline-border: #38bdf8;
  --baseline-badge-bg: rgba(14, 165, 233, 0.16);
  --baseline-badge-text: #38bdf8;
  --baseline-badge-border: rgba(56, 189, 248, 0.35);

  /* Tabs */
  --tab-nav-bg: rgba(17, 24, 39, 0.7);
  --tab-btn-color: #94a3b8;
  --tab-btn-hover: #f1f5f9;
  --tab-btn-active-bg: #1e293b;
  --tab-btn-active-color: #38bdf8;
  --tab-btn-active-border: rgba(56, 189, 248, 0.3);
  --tab-badge-bg: rgba(255, 255, 255, 0.07);
  --tab-badge-color: #64748b;

  /* Theme button */
  --toggle-bg: rgba(255, 255, 255, 0.05);
  --toggle-border: rgba(255, 255, 255, 0.1);
  --toggle-color: #cbd5e1;
  --toggle-hover-bg: rgba(255, 255, 255, 0.1);

  --card-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.4);
  --footer-wa-color: #25d366;
}

[data-theme="light"] {
  /* Color Palette - Light Mode */
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #fcfdfe;
  --bg-table: #ffffff;
  --bg-table-header: #f1f5f9;
  --bg-table-row-alt: #fafafa;
  --bg-table-row-hover: rgba(14, 165, 233, 0.04);

  --border-subtle: #e2e8f0;
  --border-medium: #cbd5e1;
  --border-focus: #0284c7;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  /* Metric Status Colors */
  --metric-pos-bg: rgba(16, 185, 129, 0.1);
  --metric-pos-border: rgba(16, 185, 129, 0.25);
  --metric-pos-text: #047857;
  --metric-pos-dot: #10b981;

  --metric-neg-bg: rgba(244, 63, 94, 0.09);
  --metric-neg-border: rgba(244, 63, 94, 0.22);
  --metric-neg-text: #be123c;
  --metric-neg-dot: #f43f5e;

  --metric-neu-bg: rgba(148, 163, 184, 0.12);
  --metric-neu-border: rgba(148, 163, 184, 0.25);
  --metric-neu-text: #475569;
  --metric-neu-dot: #94a3b8;

  /* Baseline Accent */
  --baseline-row-bg: rgba(14, 165, 233, 0.05);
  --baseline-row-hover: rgba(14, 165, 233, 0.09);
  --baseline-border: #0284c7;
  --baseline-badge-bg: rgba(14, 165, 233, 0.12);
  --baseline-badge-text: #0369a1;
  --baseline-badge-border: rgba(14, 165, 233, 0.25);

  /* Tabs */
  --tab-nav-bg: #e2e8f0;
  --tab-btn-color: #64748b;
  --tab-btn-hover: #0f172a;
  --tab-btn-active-bg: #ffffff;
  --tab-btn-active-color: #0284c7;
  --tab-btn-active-border: rgba(2, 132, 199, 0.2);
  --tab-badge-bg: rgba(0, 0, 0, 0.06);
  --tab-badge-color: #64748b;

  /* Theme button */
  --toggle-bg: #ffffff;
  --toggle-border: #cbd5e1;
  --toggle-color: #334155;
  --toggle-hover-bg: #f1f5f9;

  --card-shadow: 0 4px 16px -2px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.04);
  --footer-wa-color: #128c7e;
}

/* ==========================================================================
   Global Reset & Base
   ========================================================================== */

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  padding: 2.25rem 1.25rem 4rem;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.container {
  max-width: 1220px;
  margin: 0 auto;
}

/* ==========================================================================
   Header & Controls
   ========================================================================== */

.dashboard-header {
  margin-bottom: 2rem;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}

.title-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.dashboard-title {
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

.title-badge {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  background: var(--baseline-badge-bg);
  color: var(--baseline-badge-text);
  border: 1px solid var(--baseline-badge-border);
}

.date-badge {
  font-size: 0.74rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--toggle-bg);
  border: 1px solid var(--border-subtle);
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
}

.date-badge .date-icon {
  color: var(--baseline-border);
  flex-shrink: 0;
}

/* Theme Segmented Control */
.theme-segmented-control {
  display: inline-flex;
  align-items: center;
  background: var(--toggle-bg);
  border: 1px solid var(--border-subtle);
  padding: 0.2rem;
  border-radius: 9px;
  gap: 0.2rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.theme-segment-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  padding: 0.35rem 0.75rem;
  border-radius: 7px;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.18s ease;
  user-select: none;
}

.theme-segment-btn:hover {
  color: var(--text-primary);
}

.theme-segment-btn.active {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-medium);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

.theme-segment-btn .theme-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.theme-segment-btn[data-set-theme="dark"].active .theme-icon {
  color: #a855f7;
}

.theme-segment-btn[data-set-theme="light"].active .theme-icon {
  color: #f59e0b;
}

/* ==========================================================================
   Baseline Banner
   ========================================================================== */

.baseline-banner {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--baseline-border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  box-shadow: var(--card-shadow);
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.baseline-banner-content {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.baseline-banner-icon {
  color: var(--baseline-badge-text);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.baseline-banner-title {
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.45rem;
}

.baseline-banner-title strong {
  color: var(--baseline-border);
  font-weight: 600;
}

.baseline-banner-sub {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  font-size: 0.8rem;
}

.hint-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.55rem;
  border-radius: 6px;
  font-weight: 500;
}

.hint-quality,
.hint-limit,
.hint-reliability {
  background: var(--metric-pos-bg);
  color: var(--metric-pos-text);
  border: 1px solid var(--metric-pos-border);
}



/* ==========================================================================
   Tabs Navigation (Multi-row wrap, no side scrolling)
   ========================================================================== */

.tabs-wrapper {
  margin-bottom: 1.15rem;
  width: 100%;
}

.tabs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  width: 100%;
  background: var(--tab-nav-bg);
  padding: 0.35rem;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  transition: all 0.25s ease;
}

.tab-btn {
  background: transparent;
  color: var(--tab-btn-color);
  border: 1px solid transparent;
  padding: 0.38rem 0.68rem;
  border-radius: 7px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  transition: all 0.18s ease;
  white-space: nowrap;
}

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

.tab-btn.active {
  background: var(--tab-btn-active-bg);
  color: var(--tab-btn-active-color);
  border-color: var(--tab-btn-active-border);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
}

.tab-btn .tab-badge-count {
  font-size: 0.68rem;
  background: var(--tab-badge-bg);
  color: var(--tab-badge-color);
  padding: 0.08rem 0.4rem;
  border-radius: 9999px;
  font-family: ui-monospace, monospace;
}

.tab-btn.active .tab-badge-count {
  background: var(--baseline-badge-bg);
  color: var(--baseline-badge-text);
}

/* ==========================================================================
   Environment Filter Bar
   ========================================================================== */

.filter-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  padding: 0.65rem 0.85rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.filter-label-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.filter-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  white-space: nowrap;
}

.env-chips {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.env-chip {
  background: var(--toggle-bg);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.35rem 0.75rem;
  border-radius: 7px;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: all 0.16s ease;
  user-select: none;
  white-space: nowrap;
}

.env-chip:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
  background: var(--toggle-hover-bg);
}

.env-chip.active {
  background: var(--tab-btn-active-bg);
  color: var(--baseline-border);
  border-color: var(--baseline-border);
  font-weight: 600;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .env-chip.active {
  background: #ffffff;
  color: #0284c7;
  border-color: #0284c7;
}

.env-chip .chip-count {
  font-size: 0.7rem;
  background: var(--tab-badge-bg);
  color: var(--text-muted);
  padding: 0.08rem 0.4rem;
  border-radius: 9999px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-variant-numeric: tabular-nums;
}

.env-chip.active .chip-count {
  background: var(--baseline-badge-bg);
  color: var(--baseline-badge-text);
}

.env-color-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-block;
}

.dot-claude {
  background-color: #a855f7;
  box-shadow: 0 0 5px rgba(168, 85, 247, 0.6);
}

.dot-codex {
  background-color: #10b981;
  box-shadow: 0 0 5px rgba(16, 185, 129, 0.6);
}

.dot-antigravity {
  background-color: #0ea5e9;
  box-shadow: 0 0 5px rgba(14, 165, 233, 0.6);
}

.dot-grok {
  background-color: #f97316;
  box-shadow: 0 0 5px rgba(249, 115, 22, 0.6);
}


/* ==========================================================================
   Table Container & Elements
   ========================================================================== */

.table-container {
  background: var(--bg-table);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  box-shadow: var(--card-shadow);
  overflow: hidden;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.table-scroll-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table-scroll-wrapper::-webkit-scrollbar {
  height: 6px;
}

.table-scroll-wrapper::-webkit-scrollbar-track {
  background: var(--bg-table);
}

.table-scroll-wrapper::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: 4px;
}

.data-table {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
  font-variant-numeric: tabular-nums;
}

/* Table Headers */
.data-table th {
  position: sticky;
  top: 0;
  z-index: 5;
  background-color: var(--bg-table-header);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.95rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
  user-select: none;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.th-sortable {
  cursor: pointer;
}

.th-sortable:hover {
  color: var(--text-primary);
  background-color: var(--bg-table-row-hover);
}

.th-sortable:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: -2px;
}

.th-sortable.is-sorted {
  color: var(--baseline-border);
}

.th-content {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.sort-arrow {
  font-size: 0.74rem;
  color: var(--text-muted);
  font-family: ui-monospace, monospace;
  background: var(--toggle-bg);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
}

.th-sortable.is-sorted .sort-arrow {
  color: var(--baseline-badge-text);
  background: var(--baseline-badge-bg);
  border-color: var(--baseline-badge-border);
}

/* Table Rows & Cells */
.data-table tbody tr {
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color 0.15s ease;
}

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

.data-table tbody tr:nth-child(even) {
  background-color: var(--bg-table-row-alt);
}

.data-table tbody tr:hover {
  background-color: var(--bg-table-row-hover);
}

.data-table td {
  padding: 0.85rem 1.25rem;
  vertical-align: middle;
}

/* Baseline Highlight Row */
.data-table tbody tr.row-baseline {
  background-color: var(--baseline-row-bg);
}

.data-table tbody tr.row-baseline td:first-child {
  border-left: 3px solid var(--baseline-border);
}

.data-table tbody tr.row-baseline:hover {
  background-color: var(--baseline-row-hover);
}

/* Cells styling */
.cell-model {
  vertical-align: middle;
}

.model-info-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.model-title-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.model-name {
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

.model-sub-meta {
  display: none; /* Hidden on desktop; visible on mobile */
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.model-meta-env {
  font-weight: 500;
  color: var(--text-secondary);
}

.model-meta-sep {
  opacity: 0.45;
  font-size: 0.65rem;
}

.model-meta-effort {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.68rem;
  color: var(--text-muted);
}

/* Environment Badges */
.badge-env {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  border: 1px solid transparent;
  white-space: nowrap;
}

.badge-claude {
  background: rgba(168, 85, 247, 0.12);
  color: #a855f7;
  border-color: rgba(168, 85, 247, 0.25);
}

[data-theme="light"] .badge-claude {
  color: #7e22ce;
  background: rgba(168, 85, 247, 0.1);
}

.badge-codex {
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
  border-color: rgba(16, 185, 129, 0.25);
}

[data-theme="light"] .badge-codex {
  color: #047857;
  background: rgba(16, 185, 129, 0.1);
}

.badge-antigravity {
  background: rgba(14, 165, 233, 0.12);
  color: #0ea5e9;
  border-color: rgba(14, 165, 233, 0.25);
}

[data-theme="light"] .badge-antigravity {
  color: #0284c7;
  background: rgba(14, 165, 233, 0.1);
}

.badge-grok {
  background: rgba(249, 115, 22, 0.12);
  color: #f97316;
  border-color: rgba(249, 115, 22, 0.25);
}

[data-theme="light"] .badge-grok {
  color: #c2410c;
  background: rgba(249, 115, 22, 0.1);
}

/* Effort Badge */
.badge-effort {
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.15rem 0.5rem;
  border-radius: 5px;
  background: var(--toggle-bg);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  white-space: nowrap;
}

/* Baseline Badge */
.badge-baseline {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.12rem 0.45rem;
  border-radius: 5px;
  background: var(--baseline-badge-bg);
  color: var(--baseline-badge-text);
  border: 1px solid var(--baseline-badge-border);
}

/* Refined Metric Pill */
.metric-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.28rem 0.68rem;
  border-radius: 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-variant-numeric: tabular-nums;
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  border: 1px solid transparent;
  line-height: 1.25;
}

.metric-text {
  display: inline-flex;
  align-items: center;
  font-variant-numeric: tabular-nums;
}

/* Spaced and reduced percent symbol for effortless legibility */
.pct {
  display: inline-block;
  font-size: 0.72em;
  font-weight: 500;
  opacity: 0.7;
  margin-left: 0.16em;
  vertical-align: 0.04em;
  user-select: none;
}

/* Subtle directional arrow between delta and target value */
.metric-arrow {
  display: inline-block;
  opacity: 0.42;
  margin: 0 0.32em;
  font-size: 0.84em;
  vertical-align: 0.02em;
  user-select: none;
}

/* Refined Status Dot */
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.metric-positive {
  background: var(--metric-pos-bg);
  color: var(--metric-pos-text);
  border-color: var(--metric-pos-border);
}
.metric-positive .status-dot {
  background-color: var(--metric-pos-dot);
  box-shadow: 0 0 6px var(--metric-pos-dot);
}

.metric-negative {
  background: var(--metric-neg-bg);
  color: var(--metric-neg-text);
  border-color: var(--metric-neg-border);
}
.metric-negative .status-dot {
  background-color: var(--metric-neg-dot);
  box-shadow: 0 0 6px var(--metric-neg-dot);
}

.metric-neutral {
  background: var(--metric-neu-bg);
  color: var(--metric-neu-text);
  border-color: var(--metric-neu-border);
}
.metric-neutral .status-dot {
  background-color: var(--metric-neu-dot);
}

/* Metric desktop & mobile wrappers */
.metric-desktop {
  display: inline-flex;
  align-items: center;
}

.metric-mobile {
  display: none;
}

.th-label-short {
  display: none;
}

.th-label-full {
  display: inline;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */

@media (max-width: 768px) {
  .header-top {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .title-group {
    justify-content: space-between;
  }

  .header-controls {
    display: flex;
    justify-content: flex-end;
  }

  .dashboard-title {
    font-size: 1.4rem;
  }
}

@media (max-width: 640px) {
  html, body {
    overflow-x: hidden;
    max-width: 100vw;
  }

  body {
    padding: 0.65rem 6px 1.5rem;
  }

  .container {
    padding: 0;
    max-width: 100%;
    overflow-x: hidden;
  }

  /* Header mobile adjustments */
  .dashboard-header {
    margin-bottom: 0.75rem;
  }

  .header-top {
    gap: 0.5rem;
  }

  .title-group {
    flex-wrap: wrap;
    gap: 0.35rem;
  }

  .dashboard-title {
    font-size: 1.25rem;
  }

  .title-badge,
  .date-badge {
    font-size: 0.68rem;
    padding: 0.15rem 0.45rem;
  }

  .theme-segmented-control {
    padding: 0.15rem;
  }

  .theme-segment-btn {
    padding: 0.35rem 0.6rem;
    font-size: 0.76rem;
  }

  /* Baseline banner compact */
  .baseline-banner {
    margin-top: 0.65rem;
  }

  .baseline-banner-content {
    padding: 0.55rem 0.65rem;
    gap: 0.45rem;
  }

  .baseline-banner-icon {
    display: none;
  }

  .baseline-banner-title {
    font-size: 0.78rem;
    line-height: 1.32;
    margin-bottom: 0.3rem;
  }

  .baseline-banner-sub {
    gap: 0.3rem;
    font-size: 0.7rem;
  }

  .hint-pill {
    padding: 0.1rem 0.35rem;
    font-size: 0.68rem;
  }

  /* Tabs mobile */
  .tabs-wrapper {
    margin-bottom: 0.65rem;
    width: 100%;
  }

  .tabs-list {
    gap: 0.25rem;
    padding: 0.25rem;
  }

  .tab-btn {
    padding: 0.32rem 0.52rem;
    font-size: 0.72rem;
    gap: 0.28rem;
  }

  .tab-btn .tab-badge-count {
    font-size: 0.62rem;
    padding: 0.05rem 0.32rem;
  }

  /* Filter chips mobile */
  .filter-toolbar {
    margin-bottom: 0.65rem;
    padding: 0.45rem 0.55rem;
    gap: 0.45rem;
  }

  .env-chips {
    gap: 0.3rem;
  }

  .env-chip {
    padding: 0.22rem 0.5rem;
    font-size: 0.75rem;
  }

  .env-chip .chip-count {
    font-size: 0.65rem;
    padding: 0.05rem 0.3rem;
  }

  /* Table: 100% width, absolutely NO horizontal scroll */
  .table-container {
    border-radius: 8px;
    box-shadow: none;
    overflow: hidden;
  }

  .table-scroll-wrapper {
    overflow-x: hidden !important;
    width: 100%;
  }

  .data-table {
    width: 100% !important;
    min-width: 0 !important;
    table-layout: fixed;
  }

  /* Hide separate Environment and Effort columns on mobile */
  .th-env,
  .cell-env,
  .th-effort,
  .cell-effort {
    display: none !important;
  }

  /* Show model sub-meta (Environment dot + name + effort) under model name */
  .model-sub-meta {
    display: flex !important;
    align-items: center;
    gap: 0.3rem;
    margin-top: 0.15rem;
    font-size: 0.7rem;
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .model-meta-env {
    color: var(--text-secondary);
    font-weight: 500;
  }

  .model-meta-effort {
    background: var(--toggle-bg);
    border: 1px solid var(--border-subtle);
    padding: 0.02rem 0.22rem;
    border-radius: 3px;
    font-size: 0.64rem;
    flex-shrink: 0;
  }

  /* 4 Column Width Allocation (iPhone 14 Pro 393px) */
  .th-model,
  .cell-model {
    width: 40% !important;
    padding: 0.55rem 0.25rem 0.55rem 0.5rem !important;
    overflow: hidden;
  }

  .model-title-row {
    gap: 0.3rem;
  }

  .model-name {
    font-size: 0.8rem;
    white-space: normal;
    word-break: break-word;
    line-height: 1.2;
  }

  .badge-baseline {
    font-size: 0.6rem;
    padding: 0.08rem 0.3rem;
  }

  .th-quality,
  .cell-quality,
  .th-limit,
  .cell-limit,
  .th-reliability,
  .cell-reliability {
    width: 20% !important;
    padding: 0.45rem 0.15rem !important;
    text-align: center !important;
  }

  /* Headers on mobile */
  .data-table th {
    font-size: 0.68rem;
    letter-spacing: 0.02em;
    padding: 0.55rem 0.15rem;
  }

  .th-content {
    gap: 0.2rem;
    justify-content: center;
    width: 100%;
  }

  .th-model .th-content {
    justify-content: flex-start;
  }

  .th-label-full {
    display: none;
  }

  .th-label-short {
    display: inline;
  }

  .sort-arrow {
    font-size: 0.62rem;
    padding: 0.05rem 0.18rem;
  }

  /* Metric cell & pill on mobile */
  .cell-metric {
    vertical-align: middle;
  }

  .metric-pill {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.25rem 0.15rem;
    gap: 0;
    width: 100%;
    box-sizing: border-box;
    border-radius: 5px;
  }

  .status-dot {
    display: none !important;
  }

  .metric-desktop {
    display: none !important;
  }

  .metric-mobile {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    line-height: 1.15;
  }

  .metric-val-m {
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: -0.01em;
  }

  .metric-val-m .pct {
    font-size: 0.7em;
    margin-left: 0.1em;
  }

  .metric-delta-m {
    font-size: 0.65rem;
    font-weight: 500;
    opacity: 0.8;
  }
}

/* ==========================================================================
   Header Controls & Language Selector Dropdown
   ========================================================================== */

.header-controls {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.lang-dropdown {
  position: relative;
  display: inline-block;
}

.lang-dropdown-btn {
  background: var(--toggle-bg);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 0.35rem 0.75rem;
  border-radius: 9px;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: all 0.18s ease;
  user-select: none;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.lang-dropdown-btn:hover {
  background: var(--bg-card);
  border-color: var(--border-medium);
  color: var(--border-focus);
}

.lang-dropdown-btn .lang-flag {
  font-size: 1.05rem;
  line-height: 1;
}

.lang-dropdown-arrow {
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.lang-dropdown.open .lang-dropdown-arrow {
  transform: rotate(180deg);
}

.lang-dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 220px;
  max-height: 380px;
  overflow-y: auto;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: 10px;
  box-shadow: 0 12px 30px -4px rgba(0, 0, 0, 0.45);
  padding: 0.35rem;
  display: none;
  z-index: 1000;
  backdrop-filter: blur(12px);
}

.lang-dropdown.open .lang-dropdown-menu {
  display: block;
  animation: langDropdownFade 0.18s ease forwards;
}

@keyframes langDropdownFade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.lang-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0.7rem;
  border-radius: 7px;
  font-size: 0.8rem;
  color: var(--text-primary);
  text-decoration: none;
  transition: all 0.15s ease;
}

.lang-option-left {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.lang-option-flag {
  font-size: 1rem;
  line-height: 1;
}

.lang-option-name {
  font-weight: 500;
}

.lang-option:hover {
  background: var(--bg-card-hover);
  color: var(--border-focus);
}

.lang-option.active {
  background: rgba(56, 189, 248, 0.12);
  color: var(--border-focus);
  font-weight: 600;
}

.lang-option-check {
  font-size: 0.75rem;
  color: var(--border-focus);
}

.lang-dropdown-menu::-webkit-scrollbar {
  width: 5px;
}
.lang-dropdown-menu::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: 4px;
}

.lang-dropdown-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 0.35rem 0.2rem;
}

.lang-option-external {
  color: var(--text-secondary);
}

.lang-option-external:hover {
  background: var(--bg-card-hover);
  color: var(--border-focus);
}

.lang-option-external-arrow {
  font-size: 0.85rem;
  opacity: 0.7;
}

/* Header Controls & Cross-Site Links */
.header-controls {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.worker-global-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--toggle-bg);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 0.35rem 0.75rem;
  border-radius: 9px;
  font-size: 0.82rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.18s ease;
  white-space: nowrap;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.worker-global-link:hover {
  background: var(--bg-card);
  border-color: var(--border-medium);
  color: var(--border-focus);
}

.worker-global-arrow {
  font-size: 0.85rem;
  opacity: 0.7;
}

/* 404 Error Page Styling */
.error-container {
  max-width: 600px;
  margin: 6rem auto 4rem;
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  box-shadow: var(--card-shadow);
}

.error-code {
  font-size: 4.5rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #38bdf8, #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.75rem;
}

.error-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.error-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.error-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--tab-btn-active-bg, #0284c7);
  color: #ffffff;
  padding: 0.65rem 1.4rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  transition: all 0.18s ease;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.35);
}

.error-btn:hover {
  background: #0369a1;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(2, 132, 199, 0.45);
}


/* Language Portal Hub (x-default on /) */
.lang-portal {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem 0.5rem 3.5rem;
}

.portal-hero {
  text-align: center;
  margin-bottom: 2.5rem;
}

.portal-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.portal-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 1.5rem;
  line-height: 1.5;
}

.portal-suggest {
  display: none;
  margin: 0 auto 2rem;
  max-width: 540px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.28);
  border-radius: 12px;
  padding: 0.85rem 1.25rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.portal-suggest-text {
  font-size: 0.88rem;
  color: var(--text-primary);
}

.portal-suggest-btn {
  background: var(--border-focus);
  color: #0b0f19;
  font-weight: 600;
  font-size: 0.82rem;
  padding: 0.4rem 0.9rem;
  border-radius: 8px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: opacity 0.15s ease;
  white-space: nowrap;
}

.portal-suggest-btn:hover {
  opacity: 0.9;
}

.portal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  margin-bottom: 3rem;
}

.portal-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.05rem 1.2rem;
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.portal-card:hover {
  border-color: var(--border-focus);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.28);
}

.portal-card-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.portal-card-flag {
  font-size: 1.75rem;
  line-height: 1;
}

.portal-card-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.portal-card-native {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.portal-card-english {
  font-size: 0.76rem;
  color: var(--text-muted);
}

.portal-card-arrow {
  color: var(--text-muted);
  transition: transform 0.18s ease, color 0.18s ease;
}

.portal-card:hover .portal-card-arrow {
  color: var(--border-focus);
  transform: translateX(3px);
}

@media (max-width: 640px) {
  .lang-dropdown-btn .lang-name {
    display: none;
  }
  .portal-title {
    font-size: 1.7rem;
  }
  .portal-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Site Footer — Minimalist, Responsive, Dual-Theme (Impactful Visuals)
   ========================================================================== */

.site-footer {
  margin-top: 3rem;
  margin-bottom: 2rem;
  padding: 1.6rem 1.25rem;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-card);
  border-radius: 12px;
  font-size: 0.83rem;
  color: var(--text-secondary);
  box-shadow: var(--card-shadow);
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.65rem;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.footer-brand {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.footer-divider {
  color: var(--text-muted);
  font-size: 0.75rem;
  user-select: none;
}

.footer-wa-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--footer-wa-color, #25d366);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  transition: opacity 0.15s ease, color 0.15s ease;
}

.footer-wa-link:hover {
  opacity: 0.85;
  text-decoration: underline;
}

.footer-wa-icon {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.footer-service {
  line-height: 1.6;
  color: var(--text-muted);
  font-size: 0.81rem;
  max-width: 920px;
  overflow-wrap: break-word;
  word-break: normal;
}

.footer-site-link {
  color: var(--tab-btn-active-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.15s ease;
}

.footer-site-link:hover {
  text-decoration: underline;
}

.footer-dash {
  margin: 0 0.35rem;
  color: var(--text-muted);
}

@media (max-width: 640px) {
  .site-footer {
    margin-top: 2rem;
    margin-bottom: 1.5rem;
    padding: 1.25rem 0.85rem;
    border-radius: 8px;
    font-size: 0.78rem;
  }
  .footer-service {
    font-size: 0.76rem;
    line-height: 1.5;
    overflow-wrap: break-word;
    word-break: normal;
  }
  .footer-top {
    flex-direction: column;
    gap: 0.35rem;
  }
  .footer-divider {
    display: none;
  }
}

/* ==========================================================================
   Brand Logo in Header (Impactful Visuals) — No Shadows, Clean Flat Design
   ========================================================================== */

.brand-logo-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  flex-shrink: 0;
  border-radius: 50%;
  box-shadow: none !important;
  filter: none !important;
  text-shadow: none !important;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.brand-logo-link:hover,
.brand-logo-link:focus,
.brand-logo-link:active {
  transform: scale(1.05);
  opacity: 0.92;
  box-shadow: none !important;
  filter: none !important;
  outline: none;
}

.brand-logo-link::before,
.brand-logo-link::after {
  display: none !important;
  content: none !important;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: contain;
  display: block;
  box-shadow: none !important;
  filter: none !important;
  border: none !important;
  background: transparent;
}

.brand-logo::before,
.brand-logo::after {
  display: none !important;
  content: none !important;
}

.portal-logo-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 0.85rem;
}

.portal-logo {
  width: 48px;
  height: 48px;
}

@media (max-width: 640px) {
  .brand-logo {
    width: 32px;
    height: 32px;
  }
  .portal-logo {
    width: 40px;
    height: 40px;
  }
}