/* ─── Reset & Base ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface2: #21262d;
  --border: #30363d;
  --text: #c9d1d9;
  --text-muted: #8b949e;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --green: #3fb950;
  --red: #f85149;
  --yellow: #d29922;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --mono: 'SF Mono', SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ─── Top Bar ───────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.topbar h1 {
  font-size: 16px;
  font-weight: 600;
  white-space: nowrap;
}

.topbar select {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 13px;
  min-width: 260px;
}

.topbar button {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 12px;
  cursor: pointer;
  font-size: 13px;
}
.topbar button:hover { border-color: var(--accent); color: var(--accent); }

.topbar .status {
  color: var(--text-muted);
  font-size: 12px;
  margin-left: auto;
}

/* ─── Tab Bar ───────────────────────────────────────────── */
.tab-bar {
  display: flex;
  gap: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.tab-bar button {
  background: transparent;
  color: var(--text-muted);
  border: none;
  border-bottom: 2px solid transparent;
  padding: 8px 20px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
}
.tab-bar button.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.tab-bar button:hover { color: var(--text); }

/* ─── Main Layout ───────────────────────────────────────── */
.main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ─── Sidebar ───────────────────────────────────────────── */
.sidebar {
  width: 240px;
  min-width: 240px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 12px;
  flex-shrink: 0;
}

.filter-group {
  margin-bottom: 16px;
}

.filter-group h3 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.filter-group .toggle-btns {
  display: flex;
  gap: 4px;
}

.filter-group .toggle-btns button {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 10px;
  padding: 0;
}
.filter-group .toggle-btns button:hover { text-decoration: underline; }

.filter-group label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  padding: 2px 0;
  cursor: pointer;
}

.filter-group label:hover { color: var(--accent); }

.filter-group input[type="checkbox"] {
  accent-color: var(--accent);
}

/* ─── Content Area ──────────────────────────────────────── */
.content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ─── Metric Toggles ────────────────────────────────────── */
.metric-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding: 10px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.metric-toggles label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
}

.metric-toggles input[type="checkbox"] {
  accent-color: var(--accent);
}

.metric-toggle-header {
  width: 100%;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 4px;
  padding-top: 4px;
  border-top: 1px solid var(--border);
}

/* ─── Comparison Controls ─────────────────────────────── */
.comparison-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 10px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  align-items: flex-end;
}

.comparison-controls .control-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.comparison-controls .control-group label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.comparison-controls select {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 6px;
  font-size: 12px;
}

.comparison-controls select[multiple] {
  min-height: 60px;
  max-height: 100px;
}

/* ─── Table Container ───────────────────────────────────── */
.table-container {
  flex: 1;
  overflow: auto;
  padding: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead {
  position: sticky;
  top: 0;
  z-index: 1;
}

th {
  background: var(--surface2);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  padding: 8px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}
th:hover { color: var(--accent); }
th.sorted-asc::after { content: ' ▲'; color: var(--accent); }
th.sorted-desc::after { content: ' ▼'; color: var(--accent); }

td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tr:hover td { background: rgba(88, 166, 255, 0.04); }

.num { text-align: right; font-variant-numeric: tabular-nums; font-family: var(--mono); font-size: 12px; }
.status-ok { color: var(--green); }
.status-error { color: var(--red); }
.status-timeout { color: var(--yellow); }

/* ─── Copy ID Button ────────────────────────────────────── */
.copy-id-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 13px;
  padding: 0 4px;
  opacity: 0.4;
  transition: opacity 0.15s;
  vertical-align: middle;
}
tr:hover .copy-id-btn { opacity: 0.8; }
.copy-id-btn:hover { opacity: 1; color: var(--accent); }
.copy-id-btn.copied { color: var(--green); opacity: 1; }

/* ─── Output Format Tabs ──────────────────────────────── */
.output-section {
  flex-shrink: 0;
  border-top: 1px solid var(--border);
}

.output-tabs {
  display: flex;
  background: var(--surface);
}

.output-tabs button {
  background: transparent;
  color: var(--text-muted);
  border: none;
  border-top: 2px solid transparent;
  padding: 6px 16px;
  cursor: pointer;
  font-size: 12px;
}
.output-tabs button.active {
  color: var(--accent);
  border-top-color: var(--accent);
}

.output-content {
  max-height: 200px;
  overflow: auto;
}

.output-content textarea {
  width: 100%;
  min-height: 150px;
  background: var(--surface);
  color: var(--text);
  border: none;
  font-family: var(--mono);
  font-size: 12px;
  padding: 12px;
  resize: vertical;
}

.output-content .copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 8px;
  cursor: pointer;
  font-size: 11px;
}

/* ─── Loading ───────────────────────────────────────────── */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  font-size: 14px;
}

/* ─── Loading Overlay ───────────────────────────────────── */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.loading-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 40px;
  min-width: 520px;
  max-width: 640px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  margin: 0 auto 16px;
  animation: spin 0.8s linear infinite;
}

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

.loading-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text);
}

.loading-progress-bar {
  width: 100%;
  height: 4px;
  background: var(--surface2);
  border-radius: 2px;
  margin-bottom: 8px;
  overflow: hidden;
}
.loading-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  width: 0%;
  transition: width 0.3s ease;
}

.loading-stats {
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 12px;
  min-height: 1.5em;
}

.loading-log {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  max-height: 200px;
  overflow-y: auto;
  text-align: left;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.6;
}

.loading-log .log-line {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.loading-log .log-line:last-child {
  color: var(--accent);
}

/* ─── Saved Views Bar ────────────────────────────────────── */
.saved-views-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.saved-views-bar .label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.saved-views-bar .view-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2px 10px;
  font-size: 12px;
  cursor: pointer;
  color: var(--text);
  transition: border-color 0.15s;
}
.saved-views-bar .view-chip:hover { border-color: var(--accent); color: var(--accent); }
.saved-views-bar .view-chip .delete-view {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 11px;
  padding: 0 0 0 2px;
  line-height: 1;
}
.saved-views-bar .view-chip .delete-view:hover { color: var(--red); }

.saved-views-bar .save-view-btn {
  background: var(--surface2);
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2px 10px;
  font-size: 12px;
  cursor: pointer;
}
.saved-views-bar .save-view-btn:hover { border-color: var(--accent); }

/* ─── Run Summary Bar ──────────────────────────────────── */
.run-summary {
  padding: 8px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.run-summary-items {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  align-items: center;
}
.run-summary-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--text-muted);
}
.run-summary-item .label {
  font-weight: 500;
  color: var(--text-muted);
}
.run-summary-item .value {
  color: var(--text);
  font-family: var(--mono);
  font-size: 11px;
}
.run-summary-item .value.accent {
  color: var(--accent);
}
.run-summary-versions {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  margin-left: 8px;
  padding-left: 12px;
  border-left: 1px solid var(--border);
}
.run-summary-versions .sdk-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 1px 6px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 11px;
  font-family: var(--mono);
  color: var(--text-muted);
}
.run-summary-versions .sdk-badge .lang {
  font-weight: 600;
  color: var(--text);
}

/* ─── Scenario Popover ──────────────────────────────────── */
.scenario-popover {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
}

.popover-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
}

.popover-panel {
  position: relative;
  z-index: 1;
  width: 680px;
  max-width: 90vw;
  height: 100vh;
  background: var(--surface);
  border-left: 1px solid var(--border);
  box-shadow: -4px 0 24px rgba(0,0,0,0.3);
  display: flex;
  flex-direction: column;
  animation: slideIn 0.2s ease;
}

@keyframes slideIn {
  from { transform: translateX(40px); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

.popover-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.popover-header h2 {
  font-size: 14px;
  font-weight: 600;
  font-family: var(--mono);
  color: var(--accent);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.popover-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 22px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}
.popover-close:hover { color: var(--text); }

.popover-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
}

.popover-section {
  margin-bottom: 20px;
}

.popover-section h3 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}

.detail-grid {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 4px 12px;
  font-size: 13px;
}

.detail-grid dt {
  color: var(--text-muted);
  font-weight: 500;
}

.detail-grid dd {
  color: var(--text);
  font-family: var(--mono);
  font-size: 12px;
}

.popover-proc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin-top: 8px;
}

.popover-proc-table th {
  background: var(--surface2);
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  padding: 6px 8px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  cursor: default;
}

.popover-proc-table td {
  padding: 4px 8px;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 11px;
}

.popover-proc-table tr:hover td {
  background: rgba(88, 166, 255, 0.04);
}

.hidden { display: none !important; }

/* ─── A/B Controls in Top Bar ───────────────────────────── */
.ab-controls {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.ab-controls .vs-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
}
.ab-controls select {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 13px;
  min-width: 260px;
}
.ab-sync-toggle {
  font-size: 12px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  margin-left: 4px;
}
.ab-sync-toggle input { accent-color: var(--accent); }
.ab-sync-toggle:hover { color: var(--text); }
tr.synced-missing { background: var(--surface); }
tr.synced-unmatched { opacity: 0.45; }

/* ─── Head-to-Head Tab ────────────────────────────────── */

.h2h-controls {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.h2h-controls label {
  color: var(--text-muted);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.h2h-controls select {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 13px;
  min-width: 200px;
}

.h2h-vs {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.h2h-summary {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.h2h-stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 20px;
  text-align: center;
  min-width: 140px;
}

.h2h-stat .h2h-stat-value {
  font-size: 28px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.h2h-stat .h2h-stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.h2h-stat.winner-a .h2h-stat-value { color: var(--accent); }
.h2h-stat.winner-b .h2h-stat-value { color: var(--green); }
.h2h-stat.tie .h2h-stat-value { color: var(--yellow); }

.insights-table td.h2h-advantage-a { color: var(--accent); font-weight: 600; }
.insights-table td.h2h-advantage-b { color: var(--green); font-weight: 600; }
.insights-table td.h2h-tie { color: var(--text-muted); }

#share-btn {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 12px;
  cursor: pointer;
  font-size: 13px;
}
#share-btn:hover { border-color: var(--accent); color: var(--accent); }
#share-btn.copied { border-color: var(--green); color: var(--green); }

/* ─── A/B Compare Layout ───────────────────────────────── */
.ab-container {
  flex: 1;
  display: flex;
  overflow: hidden;
}
.ab-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}
.ab-panel-header {
  padding: 8px 12px;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  font-family: var(--mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 0;
}
.ab-table-wrap {
  flex: 1;
  overflow: auto;
}
.ab-divider {
  width: 3px;
  background: var(--accent);
  opacity: 0.3;
  flex-shrink: 0;
}
.ab-output {
  flex-shrink: 0;
  border-top: 1px solid var(--border);
}

/* ─── Insights Tab ────────────────────────────────────── */

.insights-container {
  padding: 20px;
  overflow-y: auto;
  max-height: calc(100vh - 140px);
}

.insights-section {
  margin-bottom: 40px;
}

.insights-section h2 {
  font-size: 18px;
  margin-bottom: 4px;
  color: var(--text);
}

.insights-desc {
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 12px;
}

.insights-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.insights-table th {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 2px solid var(--border);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.insights-table th.num { text-align: right; }

.insights-table td {
  padding: 6px 12px;
  border-bottom: 1px solid var(--border);
}

.insights-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.insights-table td.rank { text-align: center; color: var(--text-muted); font-size: 12px; }
.insights-table td.winner { color: var(--green); font-weight: 600; }

.insights-table tr:hover { background: var(--surface2); }

/* Heatmap */
.heatmap-controls {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.heatmap-controls label {
  color: var(--text-muted);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.heatmap-controls select {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 13px;
}

.leaderboard-split {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.leaderboard-panel {
  flex: 1;
  min-width: 300px;
}

.leaderboard-panel h3 {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.heatmap-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.heatmap-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  min-width: 280px;
}

.heatmap-card h3 {
  font-size: 14px;
  margin-bottom: 10px;
  color: var(--text);
}

.heatmap-card table {
  border-collapse: collapse;
  font-size: 12px;
}

.heatmap-card th {
  padding: 4px 8px;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 11px;
  text-align: center;
}

.heatmap-card th.row-label {
  text-align: right;
  padding-right: 10px;
}

.heatmap-card td {
  padding: 4px 8px;
  text-align: center;
  border-radius: 3px;
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  min-width: 54px;
}

.heatmap-card td.empty { color: var(--text-muted); opacity: 0.3; }

.heatmap-card .axis-label {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 6px;
}