/* ── ROS 2 Waffle Dashboard ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #1c2128;
  --bg-card: #21262d;
  --border: #30363d;
  --border-light: #484f58;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent-blue: #58a6ff;
  --accent-green: #3fb950;
  --accent-yellow: #d29922;
  --accent-orange: #db6d28;
  --accent-red: #f85149;
  --accent-purple: #bc8cff;
  --accent-cyan: #39d2c0;
  --glass-bg: rgba(22, 27, 34, 0.7);
  --glass-border: rgba(48, 54, 61, 0.6);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.2s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Header ── */
.dashboard-header {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  border-bottom: 1px solid var(--border);
  padding: 2rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

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

.header-title h1 {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-title .logo {
  font-size: 1.75rem;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.header-nav {
  display: flex;
  gap: 0.25rem;
}

.nav-btn {
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  cursor: pointer;
  transition: all var(--transition);
}

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

.nav-btn.active {
  color: var(--accent-blue);
  background: rgba(88, 166, 255, 0.1);
  border-color: rgba(88, 166, 255, 0.3);
}

.header-meta .timestamp {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* ── Main Container ── */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

/* ── Summary Cards ── */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.summary-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  backdrop-filter: blur(8px);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: default;
}

.summary-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.summary-card .card-value {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.35rem;
}

.summary-card .card-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.summary-card[data-tab] {
  cursor: pointer;
}

.summary-card[data-tab]:active {
  transform: scale(0.97);
}

.card-total .card-value {
  color: var(--accent-blue);
}

.card-ready .card-value {
  color: var(--accent-green);
}

.card-ci .card-value {
  color: var(--accent-cyan);
}

.card-review .card-value {
  color: var(--accent-yellow);
}

.card-changes .card-value {
  color: var(--accent-orange);
}

.card-stale .card-value {
  color: var(--text-muted);
}

.card-needs-ci .card-value {
  color: var(--accent-red);
}

/* ── Search & Filter Bar ── */
.filter-bar {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.filter-bar input[type="text"],
.filter-bar select {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 0.5rem 0.75rem;
  font-family: inherit;
  font-size: 0.875rem;
  transition: border-color var(--transition);
}

.filter-bar input[type="text"]:focus,
.filter-bar select:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.filter-bar input[type="text"] {
  flex: 1;
  min-width: 200px;
}

.filter-bar select {
  min-width: 160px;
}

.filter-bar label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ── Tabs ── */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 1.5rem;
  overflow-x: auto;
}

.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.75rem 1.25rem;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
  margin-bottom: -2px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.tab-btn.active {
  color: var(--accent-blue);
  border-bottom-color: var(--accent-blue);
}

.tab-btn .badge {
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.75rem;
  padding: 0.1rem 0.5rem;
  border-radius: 10px;
  font-weight: 600;
}

.tab-btn.active .badge {
  background: rgba(88, 166, 255, 0.15);
  color: var(--accent-blue);
}

.tab-panel {
  display: none;
  animation: fadeIn 0.2s ease;
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── PR Table ── */
.pr-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-secondary);
}

.pr-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  table-layout: fixed;
}

/* Column widths */
.pr-table th:nth-child(1),
.pr-table td:nth-child(1) {
  width: 55px;
}

/* PR # */
.pr-table th:nth-child(2),
.pr-table td:nth-child(2) {
  width: 130px;
}

/* Repo */
.pr-table th:nth-child(3),
.pr-table td:nth-child(3) {
  width: auto;
}

/* Title */
.pr-table th:nth-child(4),
.pr-table td:nth-child(4) {
  width: 95px;
}

/* Author */
.pr-table th:nth-child(5),
.pr-table td:nth-child(5) {
  width: 100px;
}

/* Labels */
.pr-table th:nth-child(6),
.pr-table td:nth-child(6) {
  width: 95px;
}

/* Review */
.pr-table th:nth-child(7),
.pr-table td:nth-child(7) {
  width: 90px;
}

/* CI */
.pr-table th:nth-child(8),
.pr-table td:nth-child(8) {
  width: 60px;
}

/* Updated */
.pr-table th:nth-child(9),
.pr-table td:nth-child(9) {
  width: 110px;
}

/* Assignees */
.pr-table th:nth-child(10),
.pr-table td:nth-child(10) {
  width: 120px;
}

/* Reviewers */

.clickable-repo {
  cursor: pointer;
  transition: color var(--transition);
}

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

.assignee-list,
.reviewer-list {
  font-size: 0.8rem;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: block;
}

.pr-table thead {
  background: var(--bg-tertiary);
  position: sticky;
  top: 0;
}

.pr-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.pr-table th:hover {
  color: var(--text-primary);
}

.pr-table th .sort-icon {
  opacity: 0.3;
  margin-left: 0.25rem;
  transition: opacity var(--transition);
}

.pr-table th:hover .sort-icon,
.pr-table th.sorted .sort-icon {
  opacity: 1;
}

.pr-table td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

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

.pr-table tbody tr:hover {
  background: rgba(88, 166, 255, 0.04);
}

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

/* ── PR Row Elements ── */
.pr-number {
  font-family: 'SF Mono', 'Fira Code', monospace;
  color: var(--accent-blue);
  text-decoration: none;
  font-weight: 500;
}

.pr-number:hover {
  text-decoration: underline;
}

.pr-repo {
  color: var(--text-secondary);
  font-size: 0.8rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.pr-title-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition);
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pr-title-link:hover {
  color: var(--accent-blue);
}

.pr-author {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
}

.pr-author:hover {
  color: var(--accent-blue);
}

/* Labels */
.label-list {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.label {
  display: inline-block;
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 10px;
  font-weight: 500;
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  white-space: nowrap;
}

/* Review status */
.review-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 10px;
  font-weight: 500;
}

.review-badge.approved {
  background: rgba(63, 185, 80, 0.12);
  color: var(--accent-green);
}

.review-badge.changes_requested {
  background: rgba(219, 109, 40, 0.12);
  color: var(--accent-orange);
}

.review-badge.commented {
  background: rgba(130, 149, 158, 0.12);
  color: var(--text-secondary);
}

.review-badge.none {
  background: rgba(210, 153, 34, 0.12);
  color: var(--accent-yellow);
}

/* CI status */
.ci-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.ci-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  color: var(--accent-cyan);
  text-decoration: none;
}

.ci-link:hover {
  text-decoration: underline;
}

.ci-none {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Days since update */
.days-badge {
  font-size: 0.8rem;
  font-weight: 500;
}

.days-badge.fresh {
  color: var(--accent-green);
}

.days-badge.aging {
  color: var(--accent-yellow);
}

.days-badge.stale {
  color: var(--accent-red);
}

/* ── Empty State ── */
.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
}

.empty-state .icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.empty-state p {
  font-size: 0.9rem;
}

/* ── Footer ── */
.dashboard-footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
  margin-top: 3rem;
}

.dashboard-footer a {
  color: var(--accent-blue);
  text-decoration: none;
}

.dashboard-footer a:hover {
  text-decoration: underline;
}

/* ── Page-level views ── */
.page-view {
  display: none;
}

.page-view.active {
  display: block;
}

/* ── Scoreboard ── */
.scoreboard-section {
  margin-bottom: 2rem;
}

.scoreboard-header {
  margin-bottom: 1.25rem;
}

.scoreboard-header h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #ffd700, #ff8c00);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.scoreboard-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.scoreboard-legend em {
  color: var(--text-secondary);
  font-style: normal;
  font-weight: 600;
}

.scoreboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 0.75rem;
}

.scoreboard-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  backdrop-filter: blur(8px);
  transition: transform var(--transition), box-shadow var(--transition);
}

.scoreboard-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.scoreboard-card.top-three {
  border-color: rgba(255, 215, 0, 0.25);
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.04), rgba(255, 140, 0, 0.04));
}

.scoreboard-card .rank {
  font-size: 1.5rem;
  min-width: 2.5rem;
  text-align: center;
  font-weight: 700;
  color: var(--text-muted);
}

.scoreboard-card.top-three .rank {
  font-size: 1.75rem;
}

.scoreboard-card .player-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.scoreboard-card .player-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  word-break: break-all;
}

.scoreboard-card .player-total {
  font-size: 0.8rem;
  font-weight: 700;
  background: linear-gradient(135deg, #ffd700, #ff8c00);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.scoreboard-card .player-stats {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.scoreboard-card .player-stats span {
  white-space: nowrap;
}

/* Full scoreboard table */
.scoreboard-full {
  margin-top: 1rem;
}

.scoreboard-full summary {
  cursor: pointer;
  color: var(--accent-blue);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.5rem 0;
}

.scoreboard-full summary:hover {
  text-decoration: underline;
}

.scoreboard-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-top: 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.scoreboard-table th {
  background: var(--bg-tertiary);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.75rem;
  text-align: center;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

.scoreboard-table th:nth-child(2) {
  text-align: left;
}

.scoreboard-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  text-align: center;
  color: var(--text-secondary);
}

.scoreboard-table td:nth-child(2) {
  text-align: left;
  color: var(--text-primary);
}

.scoreboard-table td:last-child {
  color: var(--accent-yellow);
  font-weight: 600;
}

.scoreboard-table tbody tr:hover {
  background: rgba(88, 166, 255, 0.04);
}

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

/* ── Responsive ── */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .filter-bar {
    flex-direction: column;
  }

  .filter-bar input[type="text"],
  .filter-bar select {
    width: 100%;
  }

  .container {
    padding: 1rem;
  }

  .tabs {
    gap: 0;
  }

  .tab-btn {
    padding: 0.6rem 0.75rem;
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .summary-grid {
    grid-template-columns: 1fr;
  }
}