/* ==========================================================================
   CANNJudge Competition & Leaderboard Monitor Styles
   Implements modern-web-guidance: dark-mode, dark-mode-toggle, responsive-table,
   and interactions-in-complex-layouts.
   ========================================================================== */

:root {
  /* Raw light and dark color tokens */
  --bg-canvas-light: #f4f6fb;
  --bg-canvas-dark: #0b0f19;

  --bg-surface-light: #ffffff;
  --bg-surface-dark: #131926;

  --bg-elevated-light: #edf1f9;
  --bg-elevated-dark: #1b2436;

  --bg-me-row-light: #eef6ff;
  --bg-me-row-dark: #142847;

  --text-primary-light: #0f172a;
  --text-primary-dark: #f1f5f9;

  --text-muted-light: #475569;
  --text-muted-dark: #94a3b8;

  --border-subtle-light: #dbe2ef;
  --border-subtle-dark: #263248;

  --brand-light: #2563eb;
  --brand-dark: #60a5fa;

  --brand-text-light: #ffffff;
  --brand-text-dark: #091224;

  --up-color-light: #059669;
  --up-color-dark: #34d399;
  --up-bg-light: #d1fae5;
  --up-bg-dark: rgba(16, 185, 129, 0.16);

  --down-color-light: #dc2626;
  --down-color-dark: #f87171;
  --down-bg-light: #fee2e2;
  --down-bg-dark: rgba(239, 68, 68, 0.16);

  --warn-color-light: #d97706;
  --warn-color-dark: #fbbf24;
  --warn-bg-light: #fef3c7;
  --warn-bg-dark: rgba(245, 158, 11, 0.16);

  --crown-color-light: #b45309;
  --crown-color-dark: #fcd34d;

  --scrollbar-track-light: #e2e8f0;
  --scrollbar-track-dark: #111827;
  --scrollbar-thumb-light: #94a3b8;
  --scrollbar-thumb-dark: #475569;

  /* Default fallback values (Light) */
  --bg-canvas: var(--bg-canvas-light);
  --bg-surface: var(--bg-surface-light);
  --bg-elevated: var(--bg-elevated-light);
  --bg-me-row: var(--bg-me-row-light);
  --text-primary: var(--text-primary-light);
  --text-muted: var(--text-muted-light);
  --border-subtle: var(--border-subtle-light);
  --color-brand: var(--brand-light);
  --color-brand-text: var(--brand-text-light);
  --color-up: var(--up-color-light);
  --bg-up: var(--up-bg-light);
  --color-down: var(--down-color-light);
  --bg-down: var(--down-bg-light);
  --color-warn: var(--warn-color-light);
  --bg-warn: var(--warn-bg-light);
  --color-crown: var(--crown-color-light);
  --scrollbar-track: var(--scrollbar-track-light);
  --scrollbar-thumb: var(--scrollbar-thumb-light);

  /* MANDATORY: Fallback for browsers without light-dark support */
  @media (prefers-color-scheme: dark) {
    --bg-canvas: var(--bg-canvas-dark);
    --bg-surface: var(--bg-surface-dark);
    --bg-elevated: var(--bg-elevated-dark);
    --bg-me-row: var(--bg-me-row-dark);
    --text-primary: var(--text-primary-dark);
    --text-muted: var(--text-muted-dark);
    --border-subtle: var(--border-subtle-dark);
    --color-brand: var(--brand-dark);
    --color-brand-text: var(--brand-text-dark);
    --color-up: var(--up-color-dark);
    --bg-up: var(--up-bg-dark);
    --color-down: var(--down-color-dark);
    --bg-down: var(--down-bg-dark);
    --color-warn: var(--warn-color-dark);
    --bg-warn: var(--warn-bg-dark);
    --color-crown: var(--crown-color-dark);
    --scrollbar-track: var(--scrollbar-track-dark);
    --scrollbar-thumb: var(--scrollbar-thumb-dark);
  }

  /* Use light-dark() when supported so meta color-scheme overrides cascade automatically */
  @supports (color: light-dark(white, black)) {
    --bg-canvas: light-dark(var(--bg-canvas-light), var(--bg-canvas-dark));
    --bg-surface: light-dark(var(--bg-surface-light), var(--bg-surface-dark));
    --bg-elevated: light-dark(var(--bg-elevated-light), var(--bg-elevated-dark));
    --bg-me-row: light-dark(var(--bg-me-row-light), var(--bg-me-row-dark));
    --text-primary: light-dark(var(--text-primary-light), var(--text-primary-dark));
    --text-muted: light-dark(var(--text-muted-light), var(--text-muted-dark));
    --border-subtle: light-dark(var(--border-subtle-light), var(--border-subtle-dark));
    --color-brand: light-dark(var(--brand-light), var(--brand-dark));
    --color-brand-text: light-dark(var(--brand-text-light), var(--brand-text-dark));
    --color-up: light-dark(var(--up-color-light), var(--up-color-dark));
    --bg-up: light-dark(var(--up-bg-light), var(--up-bg-dark));
    --color-down: light-dark(var(--down-color-light), var(--down-color-dark));
    --bg-down: light-dark(var(--down-bg-light), var(--down-bg-dark));
    --color-warn: light-dark(var(--warn-color-light), var(--warn-color-dark));
    --bg-warn: light-dark(var(--warn-bg-light), var(--warn-bg-dark));
    --color-crown: light-dark(var(--crown-color-light), var(--crown-color-dark));
    --scrollbar-track: light-dark(var(--scrollbar-track-light), var(--scrollbar-track-dark));
    --scrollbar-thumb: light-dark(var(--scrollbar-thumb-light), var(--scrollbar-thumb-dark));
  }

  /* MANDATORY: Apply color-scheme to :root for viewport-wide theming */
  color-scheme: light dark;
  accent-color: var(--color-brand);
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
  scrollbar-width: thin;

  /* Reflect meta[name="color-scheme"] override in CSS */
  &:has(> head > meta[name="color-scheme"][content="dark"]) {
    color-scheme: dark;
  }
  &:has(> head > meta[name="color-scheme"][content="light"]) {
    color-scheme: light;
  }
}

/* Legacy fallback for WebKit/Blink browsers without scrollbar-color */
@supports not (scrollbar-color: auto) {
  *::-webkit-scrollbar {
    width: 10px;
    height: 10px;
  }
  *::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
  }
  *::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
  }
}

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.5;
  font-size: 0.9375rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Theme toggle button states */
.theme-icon-dark {
  display: none;
}
@media (prefers-color-scheme: dark) {
  :root:not(:has(> head > meta[name="color-scheme"][content="light"])) .theme-icon-light {
    display: none;
  }
  :root:not(:has(> head > meta[name="color-scheme"][content="light"])) .theme-icon-dark {
    display: inline;
  }
}
:root:has(> head > meta[name="color-scheme"][content="dark"]) .theme-icon-light {
  display: none;
}
:root:has(> head > meta[name="color-scheme"][content="dark"]) .theme-icon-dark {
  display: inline;
}

/* Top Header Bar */
.top-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  padding: 0.85rem 1.5rem;
  background-color: var(--bg-surface);
  border-block-end: 1px solid var(--border-subtle);
  position: sticky;
  inset-block-start: 0;
  z-index: 30;
}

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

.brand-logo {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 0.65rem;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  color: #ffffff;
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  font-weight: 700;
}

.brand-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand-subtitle {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.status-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background-color: var(--color-up);
  box-shadow: 0 0 0 3px var(--bg-up);
}

.status-dot.polling {
  background-color: var(--color-warn);
  box-shadow: 0 0 0 3px var(--bg-warn);
}

.user-quota-pill {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.4rem 0.9rem;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  font-size: 0.82rem;
}

.pill-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.pill-label {
  color: var(--text-muted);
}

.pill-divider {
  width: 1px;
  height: 1rem;
  background-color: var(--border-subtle);
}

.top-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
}

.window-selector-group {
  display: flex;
  align-items: center;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 0.55rem;
  padding: 0.2rem;
  gap: 0.15rem;
}

.window-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  padding-inline: 0.45rem 0.25rem;
}

.win-btn {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.3rem 0.55rem;
  border-radius: 0.4rem;
  cursor: pointer;
}

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

.win-btn.active {
  background-color: var(--color-brand);
  color: var(--color-brand-text);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.85rem;
  border-radius: 0.5rem;
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
  color: var(--text-primary);
}

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

.primary-btn {
  background-color: var(--color-brand);
  color: var(--color-brand-text);
  border-color: transparent;
}

.primary-btn:hover {
  opacity: 0.92;
  background-color: var(--color-brand);
}

.small-btn {
  padding: 0.28rem 0.6rem;
  font-size: 0.78rem;
}

/* Main Navigation Tabs */
.main-tabs {
  display: flex;
  gap: 0.5rem;
  padding: 0.6rem 1.5rem 0;
  background-color: var(--bg-surface);
  border-block-end: 1px solid var(--border-subtle);
  overflow-x: auto;
}

.nav-tab {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.65rem 1.1rem;
  border-block-end: 2px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
}

.nav-tab:hover {
  color: var(--text-primary);
}

.nav-tab.active {
  color: var(--color-brand);
  border-block-end-color: var(--color-brand);
}

.tab-badge {
  font-size: 0.74rem;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  background-color: var(--bg-elevated);
  color: var(--text-primary);
}

/* Main Container & Containment Regions (interactions-in-complex-layouts) */
.main-container {
  max-width: 1640px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 3rem;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.board-column {
  content-visibility: auto;
  contain-intrinsic-size: auto 320px auto 800px;
}

@supports not (content-visibility: auto) {
  .board-column {
    contain: layout style paint;
  }
}

.section-header-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-block-end: 1rem;
}

.section-header-bar h2 {
  margin: 0;
  font-size: 1.15rem;
}

.muted-note {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.scope-switch-group {
  display: flex;
  gap: 0.45rem;
}

.chip-btn {
  padding: 0.38rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
}

.chip-btn.active {
  background-color: var(--color-brand);
  color: var(--color-brand-text);
  border-color: transparent;
}

/* Problem Summary Cards Grid */
.problem-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(285px, 1fr));
  gap: 0.85rem;
  margin-block-end: 1.5rem;
}

.prob-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 0.75rem;
  padding: 0.9rem 1rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  transition: transform 0.12s ease, border-color 0.12s ease;
}

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

.prob-card.selected {
  border: 2px solid var(--color-brand);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.14);
}

.prob-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
}

.prob-contest-tag {
  font-size: 0.72rem;
  color: var(--text-muted);
  background-color: var(--bg-elevated);
  padding: 0.15rem 0.5rem;
  border-radius: 0.35rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 210px;
}

.prob-id-tag {
  font-size: 0.72rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--text-muted);
}

.prob-card-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.prob-metrics-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  padding-block: 0.25rem;
  border-block: 1px dashed var(--border-subtle);
}

.prob-my-rank {
  font-size: 1.35rem;
  font-weight: 800;
}

.prob-my-score {
  font-size: 1.1rem;
  font-weight: 700;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.prob-card-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem;
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* Badges for Rank & Score Deltas */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.14rem 0.45rem;
  border-radius: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  white-space: nowrap;
}

.badge-up {
  background-color: var(--bg-up);
  color: var(--color-up);
}

.badge-down {
  background-color: var(--bg-down);
  color: var(--color-down);
}

.badge-warn {
  background-color: var(--bg-warn);
  color: var(--color-warn);
}

.badge-neutral {
  background-color: var(--bg-elevated);
  color: var(--text-muted);
}

.badge-me {
  background-color: var(--color-brand);
  color: var(--color-brand-text);
}

/* Deep Dive Section */
.problem-deep-dive {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 0.85rem;
  padding: 1.25rem;
}

.deep-dive-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-block-end: 1rem;
  padding-block-end: 0.9rem;
  border-block-end: 1px solid var(--border-subtle);
}

.dd-contest-badge {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-brand);
  margin-block-end: 0.2rem;
}

.dd-prob-title {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
}

.dd-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.dd-snapshot-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.snap-select-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.native-select {
  padding: 0.38rem 0.65rem;
  border-radius: 0.45rem;
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 0.82rem;
}

/* TBest Strip */
.tbest-strip-container {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 0.65rem;
  padding: 0.75rem 0.9rem;
  margin-block-end: 1rem;
}

.tbest-strip-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  margin-block-end: 0.55rem;
  font-size: 0.84rem;
}

.tbest-cards-row {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-block-end: 0.25rem;
}

.tbest-chip {
  min-width: 118px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 0.5rem;
  padding: 0.45rem 0.6rem;
  font-size: 0.76rem;
  flex-shrink: 0;
}

.tbest-chip.my-crown {
  border-color: var(--color-crown);
}

.tbest-chip-top {
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  margin-block-end: 0.2rem;
}

.tbest-holder {
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 110px;
}

/* Leaderboard Toolbar & Category Filter */
.leaderboard-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-block-end: 0.85rem;
}

.category-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.cat-btn {
  padding: 0.35rem 0.68rem;
  border-radius: 0.45rem;
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-elevated);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

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

.cat-btn.active {
  background-color: var(--color-brand);
  color: var(--color-brand-text);
  border-color: transparent;
}

.cat-cnt {
  font-size: 0.72rem;
  opacity: 0.85;
}

.lb-search-box input {
  padding: 0.42rem 0.75rem;
  border-radius: 0.45rem;
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-elevated);
  color: var(--text-primary);
  min-width: 240px;
  font-size: 0.84rem;
}

/* ==========================================================================
   Responsive Table (Strictly following modern-web-guidance: responsive-table)
   ========================================================================== */

.table-wrapper {
  overflow: auto;
  max-inline-size: 100%;
  max-block-size: min(680px, 80vh);
  container-type: inline-size;
  border: 1px solid var(--border-subtle);
  border-radius: 0.65rem;
  background-color: var(--bg-surface);
  scrollbar-gutter: stable;
}

.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.85rem;
}

/* Sticky column headers (desktop) */
.data-table thead {
  position: sticky;
  inset-block-start: 0;
  z-index: 2;
}

.data-table thead th {
  background-color: var(--bg-elevated);
  color: var(--text-muted);
  font-weight: 700;
  text-align: start;
  padding: 0.65rem 0.75rem;
  border-block-end: 1px solid var(--border-subtle);
  white-space: nowrap;
}

/* Sticky row headers (desktop) */
.data-table tbody th {
  position: sticky;
  inset-inline-start: 0;
  z-index: 1;
  background-color: var(--bg-surface);
  text-align: start;
  padding: 0.6rem 0.75rem;
  border-block-end: 1px solid var(--border-subtle);
  border-inline-end: 1px solid var(--border-subtle);
  font-weight: 600;
}

.data-table tbody td {
  padding: 0.6rem 0.75rem;
  border-block-end: 1px solid var(--border-subtle);
  vertical-align: middle;
}

.data-table tbody tr:hover td,
.data-table tbody tr:hover th {
  background-color: var(--bg-elevated);
}

.data-table tbody tr.is-me-row td,
.data-table tbody tr.is-me-row th {
  background-color: var(--bg-me-row);
}

/* Container query for narrow / mobile screens */
@container (width < 680px) {
  .data-table,
  .data-table thead,
  .data-table tbody,
  .data-table tr,
  .data-table th,
  .data-table td {
    display: block;
  }

  .data-table thead {
    /* MANDATORY: Hide column header from layout and screen readers */
    display: none;
  }

  .data-table tbody tr {
    margin-block-end: 1rem;
    border: 1px solid var(--border-subtle);
    border-radius: 0.5rem;
  }

  .data-table tbody th {
    position: sticky;
    inset-block-start: 0;
    z-index: 2;
    background-color: var(--bg-elevated);
    border-inline-end: none;
  }

  #leaderboard-table {
    --label-2: "当前排名 & 升降";
    --label-3: "当前总分 & 涨跌";
    --label-4: "公开 / 隐藏拆解";
    --label-5: "与我分差 / 距榜首";
    --label-6: "变动归因诊断";
    --label-7: "TBest 皇冠";
    --label-8: "最新提交 & 时间";
    --label-9: "深度对比";
  }

  #leaderboard-table td:nth-child(2)::before { content: var(--label-2) ": "; font-weight: 600; color: var(--text-muted); }
  #leaderboard-table td:nth-child(3)::before { content: var(--label-3) ": "; font-weight: 600; color: var(--text-muted); }
  #leaderboard-table td:nth-child(4)::before { content: var(--label-4) ": "; font-weight: 600; color: var(--text-muted); }
  #leaderboard-table td:nth-child(5)::before { content: var(--label-5) ": "; font-weight: 600; color: var(--text-muted); }
  #leaderboard-table td:nth-child(6)::before { content: var(--label-6) ": "; font-weight: 600; color: var(--text-muted); }
  #leaderboard-table td:nth-child(7)::before { content: var(--label-7) ": "; font-weight: 600; color: var(--text-muted); }
  #leaderboard-table td:nth-child(8)::before { content: var(--label-8) ": "; font-weight: 600; color: var(--text-muted); }
  #leaderboard-table td:nth-child(9)::before { content: var(--label-9) ": "; font-weight: 600; color: var(--text-muted); }

  #rivals-table {
    --rlabel-2: "关注分类 & 备注";
    --rlabel-3: "与我同场交锋战绩";
    --rlabel-4: "全平台战力";
    --rlabel-5: "窗口期净升降";
    --rlabel-6: "参与赛题明细";
    --rlabel-7: "最近活跃时间";
    --rlabel-8: "操作";
  }

  #rivals-table td:nth-child(2)::before { content: var(--rlabel-2) ": "; font-weight: 600; color: var(--text-muted); }
  #rivals-table td:nth-child(3)::before { content: var(--rlabel-3) ": "; font-weight: 600; color: var(--text-muted); }
  #rivals-table td:nth-child(4)::before { content: var(--rlabel-4) ": "; font-weight: 600; color: var(--text-muted); }
  #rivals-table td:nth-child(5)::before { content: var(--rlabel-5) ": "; font-weight: 600; color: var(--text-muted); }
  #rivals-table td:nth-child(6)::before { content: var(--rlabel-6) ": "; font-weight: 600; color: var(--text-muted); }
  #rivals-table td:nth-child(7)::before { content: var(--rlabel-7) ": "; font-weight: 600; color: var(--text-muted); }
  #rivals-table td:nth-child(8)::before { content: var(--rlabel-8) ": "; font-weight: 600; color: var(--text-muted); }
}

/* Star button & player cells */
.star-btn {
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 1rem;
  padding: 0 0.25rem 0 0;
  color: var(--text-muted);
}

.star-btn.starred {
  color: #f59e0b;
}

.player-name-link {
  background: none;
  border: none;
  padding: 0;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  text-align: start;
}

.player-name-link:hover {
  color: var(--color-brand);
  text-decoration: underline;
}

/* Charts Section */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(460px, 1fr));
  gap: 1rem;
  margin-block-start: 1.25rem;
}

.chart-card {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 0.65rem;
  padding: 0.9rem 1rem;
}

.chart-card-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  margin-block-end: 0.65rem;
}

.chart-card-header h4 {
  margin: 0;
  font-size: 0.92rem;
}

.svg-chart-wrap {
  width: 100%;
  overflow-x: auto;
}

/* Events Timeline */
.events-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.events-timeline {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.event-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 0.65rem;
  padding: 0.8rem 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.event-card.is-me-event {
  border-inline-start: 4px solid var(--color-brand);
}

.event-card.ev-up {
  border-inline-start: 4px solid var(--color-up);
}

.event-card.ev-down {
  border-inline-start: 4px solid var(--color-down);
}

.event-card.ev-tbest {
  border-inline-start: 4px solid var(--color-crown);
}

.event-main {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.event-top-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.event-case-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-block-start: 0.2rem;
}

/* Native Dialog Modals */
.app-dialog {
  width: min(920px, 94vw);
  max-height: 86vh;
  border: 1px solid var(--border-subtle);
  border-radius: 0.85rem;
  background-color: var(--bg-surface);
  color: var(--text-primary);
  padding: 0;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.app-dialog::backdrop {
  background: rgba(0, 0, 0, 0.55);
}

.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.25rem;
  border-block-end: 1px solid var(--border-subtle);
  position: sticky;
  inset-block-start: 0;
  background-color: var(--bg-surface);
  z-index: 5;
}

.dialog-header h3 {
  margin: 0;
  font-size: 1.05rem;
}

.dialog-body {
  padding: 1.15rem 1.25rem;
  overflow-y: auto;
  max-height: calc(86vh - 4rem);
}

.settings-form {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.form-group input {
  padding: 0.45rem 0.7rem;
  border-radius: 0.45rem;
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-elevated);
  color: var(--text-primary);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.dialog-divider {
  border: none;
  border-block-start: 1px solid var(--border-subtle);
  margin: 1.2rem 0;
}

.manage-problems-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.55rem;
}

.manage-prob-item {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 0.5rem;
  padding: 0.55rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.82rem;
}

.manage-prob-controls {
  display: flex;
  gap: 0.85rem;
  font-size: 0.78rem;
}