/* ============================================================
   KBE Issue Dashboard — Shared Styles
   ============================================================ */

/* --- CSS Variables --- */
:root {
  /* Score severity scale (green → red) */
  --score-0: #2d9a2d;
  --score-1: #4aad3a;
  --score-2: #6abf47;
  --score-3: #8ecc44;
  --score-4: #b8d430;
  --score-5: #d4c82a;
  --score-6: #e0a820;
  --score-7: #e88318;
  --score-8: #e05a12;
  --score-9: #d43210;
  --score-10: #c0180a;

  /* Score text colors (darker for readability) */
  --score-text-light: #fff;
  --score-text-dark: #1a1a1a;

  /* Backgrounds */
  --bg-primary: #ffffff;
  --bg-secondary: #f6f8fa;
  --bg-row-alt: #f9fafb;
  --bg-row-hover: #edf2f7;
  --bg-header: #24292f;
  --bg-danger: #ffe0e0;
  --bg-nav: #f0f3f6;

  /* Text */
  --text-primary: #1f2328;
  --text-secondary: #656d76;
  --text-muted: #8b949e;
  --text-link: #0969da;
  --text-header: #ffffff;

  /* Borders */
  --border-default: #d1d9e0;
  --border-muted: #e8ecf0;

  /* Badges */
  --badge-blocking: #cf222e;
  --badge-untriaged: #bf8700;
  --badge-default: #6e7781;

  /* Misc */
  --tooltip-bg: #2d333b;
  --tooltip-text: #e6edf3;
  --nav-active: #0969da;
  --focus-ring: #0969da;
}

/* --- Dark Mode --- */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-row-alt: #161b22;
    --bg-row-hover: #1c2129;
    --bg-header: #010409;
    --bg-danger: #3d1418;
    --bg-nav: #161b22;

    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7781;
    --text-link: #58a6ff;
    --text-header: #e6edf3;

    --border-default: #30363d;
    --border-muted: #21262d;

    --tooltip-bg: #343942;
    --tooltip-text: #e6edf3;
  }
}

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

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-primary);
}

a {
  color: var(--text-link);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* --- Page Layout --- */
.page-container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 16px 24px;
}

/* --- Report Header --- */
.report-header {
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-default);
}

.report-header h1 {
  margin: 0 0 4px 0;
  font-size: 24px;
  font-weight: 600;
}

.report-header .subtitle {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 0;
}

.report-header .meta {
  display: flex;
  gap: 16px;
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-muted);
}

/* --- Navigation Bar --- */
.report-nav {
  display: flex;
  gap: 4px;
  padding: 8px 0;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-muted);
  flex-wrap: wrap;
}

.report-nav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-nav);
  transition: background 0.15s, color 0.15s;
}

.report-nav a:hover {
  background: var(--bg-row-hover);
  color: var(--text-primary);
  text-decoration: none;
}

.report-nav a.active {
  background: var(--nav-active);
  color: #fff;
}

.report-nav .nav-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(0, 0, 0, 0.08);
  color: inherit;
}

.report-nav a.active .nav-count {
  background: rgba(255, 255, 255, 0.25);
}

/* --- Summary Stats Bar --- */
.stats-bar {
  display: flex;
  gap: 24px;
  padding: 12px 16px;
  margin-bottom: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-muted);
  border-radius: 8px;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.stat-value {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* --- Score Guide (collapsible) --- */
.score-guide {
  margin-bottom: 16px;
  border: 1px solid var(--border-muted);
  border-radius: 8px;
  background: var(--bg-secondary);
  font-size: 13px;
}

.score-guide summary {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  color: var(--text-secondary);
  user-select: none;
  list-style: none;
}

.score-guide summary::-webkit-details-marker { display: none; }

.score-guide summary::before {
  content: "ℹ️";
  font-size: 14px;
}

.score-guide summary .chevron {
  margin-left: auto;
  font-size: 11px;
  transition: transform 0.15s;
}

.score-guide[open] summary .chevron {
  transform: rotate(90deg);
}

.score-guide summary:hover {
  color: var(--text-primary);
}

.score-guide-body {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  padding: 0 16px 16px;
}

.score-guide-card {
  padding: 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border-muted);
  border-radius: 6px;
}

.score-guide-card h3 {
  margin: 0 0 4px 0;
  font-size: 13px;
  font-weight: 700;
}

.score-guide-card .guide-question {
  margin: 0 0 6px 0;
  font-size: 12px;
  font-style: italic;
  color: var(--text-secondary);
}

.score-guide-card ul {
  margin: 0;
  padding-left: 18px;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.score-guide-card .guide-hint {
  margin: 6px 0 0 0;
  font-size: 11px;
  color: var(--text-muted);
}

/* --- Filter Bar --- */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.filter-bar input[type="text"] {
  flex: 1;
  max-width: 360px;
  padding: 6px 12px;
  border: 1px solid var(--border-default);
  border-radius: 6px;
  font-size: 13px;
  background: var(--bg-primary);
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.15s;
}

.filter-bar input[type="text"]:focus {
  border-color: var(--focus-ring);
  box-shadow: 0 0 0 3px rgba(9, 105, 218, 0.15);
}

.filter-bar .row-count {
  font-size: 13px;
  color: var(--text-muted);
  margin-left: auto;
}

/* --- Mobile Filter Toggle --- */
.mobile-filter-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
  user-select: none;
}

.mobile-filter-toggle input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: var(--nav-active);
  cursor: pointer;
}

.mobile-filter-toggle .toggle-label {
  transition: color 0.15s;
}

.mobile-filter-toggle:hover .toggle-label {
  color: var(--text-primary);
}

.mobile-filter-toggle input[type="checkbox"]:checked + .toggle-label {
  color: var(--nav-active);
  font-weight: 600;
}

/* --- Table Container (horizontal scroll) --- */
.table-container {
  overflow-x: auto;
  border: 1px solid var(--border-default);
  border-radius: 8px;
}

/* --- Data Table --- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  table-layout: fixed;
  min-width: 1400px;
}

.data-table thead {
  position: sticky;
  top: 0;
  z-index: 10;
}

.data-table th {
  background: var(--bg-header);
  color: var(--text-header);
  font-weight: 600;
  text-align: left;
  padding: 8px 10px;
  border-bottom: 2px solid var(--border-default);
  white-space: nowrap;
  position: relative;
  user-select: none;
  cursor: pointer;
}

.data-table th:hover {
  background: #363d45;
}

.data-table th .sort-indicator {
  display: inline-block;
  width: 14px;
  margin-left: 4px;
  font-size: 11px;
  opacity: 0.4;
}

.data-table th.sorted .sort-indicator {
  opacity: 1;
}

/* Column resize handle */
.data-table th .col-resize {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  cursor: col-resize;
  background: transparent;
}

.data-table th .col-resize:hover,
.data-table th .col-resize.resizing {
  background: var(--focus-ring);
}

.data-table td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--border-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.data-table td.labels-cell {
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
  line-height: 1.6;
}

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

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

/* Focus for keyboard nav */
.data-table tbody tr:focus {
  outline: 2px solid var(--focus-ring);
  outline-offset: -2px;
}

/* --- Score Severity Classes --- */
.score-cell {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.severity-0 { background-color: var(--score-0); color: var(--score-text-light); }
.severity-1 { background-color: var(--score-1); color: var(--score-text-light); }
.severity-2 { background-color: var(--score-2); color: var(--score-text-dark); }
.severity-3 { background-color: var(--score-3); color: var(--score-text-dark); }
.severity-4 { background-color: var(--score-4); color: var(--score-text-dark); }
.severity-5 { background-color: var(--score-5); color: var(--score-text-dark); }
.severity-6 { background-color: var(--score-6); color: var(--score-text-dark); }
.severity-7 { background-color: var(--score-7); color: var(--score-text-light); }
.severity-8 { background-color: var(--score-8); color: var(--score-text-light); }
.severity-9 { background-color: var(--score-9); color: var(--score-text-light); }
.severity-10 { background-color: var(--score-10); color: var(--score-text-light); }

td.score-td {
  padding: 4px 8px;
  border-radius: 0;
  text-align: center;
}

/* --- Assignee Highlight --- */
.no-assignee {
  background-color: var(--bg-danger) !important;
  font-style: italic;
  color: var(--badge-blocking);
}

/* --- Last Activity Highlight --- */
.stale-activity {
  background-color: var(--bg-danger) !important;
  color: var(--badge-blocking);
  font-weight: 600;
}

/* --- Bold Hits --- */
.hits-active {
  font-weight: 700;
}

/* --- Label Badges --- */
.label-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
  white-space: nowrap;
  margin: 1px 2px;
}

.label-badge.blocking {
  background: var(--badge-blocking);
  color: #fff;
}

.label-badge.untriaged {
  background: var(--badge-untriaged);
  color: #fff;
}

.label-badge:not(.blocking):not(.untriaged) {
  background: var(--bg-nav);
  color: var(--badge-default);
  border: 1px solid var(--border-muted);
}

.label-badge.clickable {
  cursor: pointer;
  transition: opacity 0.15s, box-shadow 0.15s;
}

.label-badge.clickable:hover {
  opacity: 0.85;
  box-shadow: 0 0 0 2px var(--focus-ring);
}

/* Active label filter indicator in filter bar */
.active-label-filter {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  background: var(--nav-active);
  color: #fff;
  white-space: nowrap;
}

.label-filter-clear {
  cursor: pointer;
  margin-left: 2px;
  font-size: 13px;
  opacity: 0.8;
}

.label-filter-clear:hover {
  opacity: 1;
}

/* --- Title Cell --- */
.data-table td.title-cell {
  max-width: 400px;
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
  line-height: 1.4;
  overflow-wrap: break-word;
  word-break: break-word;
}

/* --- Tooltip --- */
.tooltip-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  font-size: 10px;
  font-weight: 700;
  background: rgba(0, 0, 0, 0.12);
  color: var(--text-secondary);
  cursor: help;
  position: relative;
  flex-shrink: 0;
}

.tooltip-trigger:hover,
.tooltip-trigger.active {
  background: rgba(0, 0, 0, 0.25);
}

.tooltip-content {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 320px;
  padding: 10px 14px;
  background: var(--tooltip-bg);
  color: var(--tooltip-text);
  border-radius: 8px;
  font-size: 12px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  white-space: pre;
  line-height: 1.6;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  z-index: 100;
  pointer-events: none;
}

.tooltip-content::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--tooltip-bg);
}

.tooltip-trigger:hover .tooltip-content,
.tooltip-trigger.active .tooltip-content {
  display: block;
}

/* --- Index Page / Landing --- */
.dashboard-hero {
  text-align: center;
  padding: 48px 16px 32px;
}

.dashboard-hero h1 {
  font-size: 32px;
  font-weight: 700;
  margin: 0 0 8px 0;
}

.dashboard-hero .subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  margin: 0;
}

.repo-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  max-width: 960px;
  margin: 32px auto;
  padding: 0 16px;
}

.repo-card {
  border: 1px solid var(--border-default);
  border-radius: 10px;
  padding: 20px;
  background: var(--bg-secondary);
  transition: box-shadow 0.15s;
}

.repo-card:hover {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.repo-card h2 {
  margin: 0 0 12px 0;
  font-size: 18px;
}

.repo-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.repo-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-radius: 6px;
  background: var(--bg-primary);
  border: 1px solid var(--border-muted);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  transition: background 0.15s;
}

.repo-link:hover {
  background: var(--bg-row-hover);
  text-decoration: none;
}

.repo-link .count-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 22px;
  padding: 0 8px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 700;
  background: var(--bg-nav);
  color: var(--text-secondary);
}

.repo-link .count-badge.warn {
  background: var(--badge-untriaged);
  color: #fff;
}

.repo-link .count-badge.danger {
  background: var(--badge-blocking);
  color: #fff;
}

.dashboard-footer {
  text-align: center;
  padding: 24px 16px;
  margin-top: 32px;
  font-size: 13px;
  color: var(--text-muted);
  border-top: 1px solid var(--border-muted);
}

/* --- Sparkline Container (index page) --- */
.sparkline-container {
  display: flex;
  gap: 24px;
  justify-content: center;
  max-width: 960px;
  margin: 0 auto 24px;
  padding: 0 16px;
  flex-wrap: wrap;
}

.sparkline-card {
  flex: 1;
  min-width: 200px;
  max-width: 300px;
  padding: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-muted);
  border-radius: 8px;
  text-align: center;
}

.sparkline-card .spark-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sparkline-card .spark-value {
  font-size: 28px;
  font-weight: 700;
  margin: 4px 0;
}

.sparkline-card canvas {
  width: 100%;
  height: 40px;
  margin-top: 8px;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .page-container {
    padding: 12px 8px;
  }

  .stats-bar {
    gap: 12px;
  }

  .report-nav {
    gap: 4px;
  }

  .report-nav a {
    padding: 5px 10px;
    font-size: 12px;
  }

  .dashboard-hero h1 {
    font-size: 24px;
  }
}