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

:root {
  --bg:          #0d0f12;
  --bg-card:     #13161b;
  --bg-elevated: #1a1e26;
  --border:      #252b35;
  --border-bright: #323c4d;
  --text:        #c8d0db;
  --text-dim:    #5a6478;
  --text-bright: #e8edf5;
  --accent:      #f0c040;
  --green:       #3ddc84;
  --green-dim:   #1a5c38;
  --red:         #ff5555;
  --red-dim:     #5c1a1a;
  --orange:      #ffaa44;
  --blue:        #5599ff;
  --font-mono:   'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  --font-ui:     'IBM Plex Sans', 'Inter', system-ui, sans-serif;
  --radius:      4px;
  --radius-lg:   8px;
  --drawer-width: 560px;
}

html { font-size: 14px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  line-height: 1.5;
  min-height: 100vh;
}

/* ── Site Header ──────────────────────────────────────────────────────────── */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  position: sticky;
  top: 0;
  z-index: 200;
}

.header-inner {
  max-width: 1600px;
  margin: 0 auto;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.header-wordmark {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.header-wordmark span {
  color: var(--accent);
  margin-right: 4px;
}

/* ── Run Comparator ───────────────────────────────────────────────────────── */
#run-comparator {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}

.run-slot {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.run-slot-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  white-space: nowrap;
}

.run-slot-select {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 8px;
  cursor: pointer;
  max-width: 220px;
  outline: none;
  transition: border-color 0.15s;
}
.run-slot-select:focus { border-color: var(--accent); }

.run-vs {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
}

/* ── Main Layout ──────────────────────────────────────────────────────────── */
#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

#main-content {
  max-width: 1600px;
  margin: 0 auto;
  padding: 20px 24px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ── Loading / Error / Empty ──────────────────────────────────────────────── */
.loading-state, .empty-state, .error-state {
  padding: 64px 24px;
  text-align: center;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 13px;
}
.error-state strong { color: var(--red); display: block; margin-bottom: 8px; }

/* ── Summary Banner ───────────────────────────────────────────────────────── */
#summary-banner {
  min-height: 36px;
}

.summary-banner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 0;
  flex-wrap: wrap;
}

.banner-empty {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
}

.banner-group {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
}

.banner-icon { font-size: 11px; }

.banner-regressed { background: rgba(255,85,85,0.12); color: var(--red); }
.banner-improved  { background: rgba(61,220,132,0.12); color: var(--green); }
.banner-unchanged { background: var(--bg-elevated); color: var(--text-dim); }
.banner-single    { background: var(--bg-elevated); }

.banner-metric { font-size: 12px; }
.banner-metric-label { color: var(--text-dim); margin-right: 4px; font-weight: 400; }

/* ── KPI Strip ────────────────────────────────────────────────────────────── */
.kpi-strip {
  display: flex;
  align-items: stretch;
  gap: 12px;
  flex-wrap: wrap;
}

.kpi-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 18px 12px;
  min-width: 120px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.kpi-item::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
}
.kpi-item.kpi-primary { border-color: var(--border-bright); }

.kpi-item.score-perfect::before { background: var(--green); }
.kpi-item.score-good::before    { background: var(--blue); }
.kpi-item.score-warn::before    { background: var(--orange); }
.kpi-item.score-fail::before    { background: var(--red); }
.kpi-item.neutral::before       { background: var(--text-dim); }

.kpi-num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--text-bright);
  line-height: 1;
}
.kpi-lbl {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.kpi-delta {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
}
.delta-up   { color: var(--green); }
.delta-down { color: var(--red); }
.delta-eq   { color: var(--text-dim); }

.kpi-meta {
  align-self: center;
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
}
.kpi-meta-sep { color: var(--border-bright); }

/* ── Score colours (used in table cells & drawer) ────────────────────────── */
.score-perfect { color: var(--green); font-weight: 600; }
.score-good    { color: var(--blue); }
.score-warn    { color: var(--orange); font-weight: 600; }
.score-fail    { color: var(--red); font-weight: 600; }

/* ── Filter Bar ───────────────────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.filter-btn:hover      { border-color: var(--border-bright); color: var(--text); }
.filter-btn.active     { border-color: var(--accent); color: var(--accent); }

.filter-count {
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 10px;
}
.filter-all       { background: var(--bg-elevated); color: var(--text-dim); }
.filter-regressed { background: var(--red-dim); color: var(--red); }
.filter-improved  { background: var(--green-dim); color: var(--green); }
.filter-unchanged { background: var(--bg-elevated); color: var(--text-dim); }

/* ── Layout: table + drawer side-by-side ─────────────────────────────────── */
.content-layout {
  display: flex;
  gap: 0;
  align-items: flex-start;
  position: relative;
}

#content {
  flex: 1;
  min-width: 0;
  transition: margin-right 0.25s ease;
}

#drawer-container {
  width: 0;
  overflow: hidden;
  transition: width 0.25s ease;
  flex-shrink: 0;
  position: sticky;
  top: 60px;
  align-self: flex-start;
  max-height: calc(100vh - 72px);
}
#drawer-container.drawer-open {
  width: var(--drawer-width);
  overflow-y: auto;
}

/* ── PDF Table ────────────────────────────────────────────────────────────── */
.table-section {}

.pdf-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  font-family: var(--font-mono);
}

.pdf-table th {
  text-align: left;
  padding: 7px 12px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
  background: var(--bg-card);
  position: sticky;
  top: 52px;
  z-index: 10;
}

.pdf-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.pdf-row { cursor: pointer; transition: background 0.1s; }
.pdf-row:hover td { background: var(--bg-elevated); }
.pdf-row.row-active td { background: rgba(240,192,64,0.06); }
.pdf-row.row-active .col-slug { color: var(--accent); }

/* Status dots */
.status-dot {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  margin-right: 7px;
  flex-shrink: 0;
  vertical-align: middle;
}
.dot-regressed { background: var(--red); box-shadow: 0 0 4px var(--red); }
.dot-improved  { background: var(--green); }
.dot-unchanged { background: var(--text-dim); }
.dot-new       { background: var(--orange); }

.col-slug { color: var(--text-bright); font-weight: 600; }

/* Tags */
.tag {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.tag-success           { background: var(--green-dim); color: var(--green); }
.tag-validationFailure { background: var(--red-dim); color: var(--red); }
.tag-error             { background: var(--red-dim); color: var(--red); }

/* Outcome cell */
.col-outcome.ok   { color: var(--green); font-weight: 600; }
.col-outcome.fail { color: var(--red); font-weight: 600; }

.col-mismatches { color: var(--text-dim); }
.col-mismatches.has-mismatches { color: var(--orange); font-weight: 600; }

/* Delta cell */
.delta-cell { font-weight: 600; }

.absent { color: var(--text-dim); font-style: italic; }
.empty-row { text-align: center; color: var(--text-dim); padding: 24px; }

/* ── Detail Drawer ────────────────────────────────────────────────────────── */
.detail-drawer {
  background: var(--bg-card);
  border-left: 1px solid var(--border-bright);
  display: flex;
  flex-direction: column;
  min-height: 200px;
  width: var(--drawer-width);
}

.drawer-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  gap: 8px;
  position: sticky;
  top: 0;
  background: var(--bg-card);
  z-index: 10;
}

.drawer-title {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.drawer-slug {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  word-break: break-all;
}

.drawer-run-id {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
}

.drawer-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 14px;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: var(--radius);
  line-height: 1;
  flex-shrink: 0;
  transition: color 0.15s, background 0.15s;
}
.drawer-close:hover { color: var(--text-bright); background: var(--bg-elevated); }

.drawer-empty {
  padding: 32px 16px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: center;
}

/* Drawer KPI row */
.drawer-kpi-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.drawer-kpi-chip {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 12px;
  background: var(--bg-elevated);
  border-radius: var(--radius);
  border-left: 3px solid currentColor;
}

.drawer-kpi-num {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
}

.drawer-kpi-lbl {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* Attempt blocks */
.drawer-attempts {
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.attempt-block {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.attempt-block.attempt-fail { border-color: rgba(255,85,85,0.4); }
.attempt-block[open]        { border-color: var(--border-bright); }

.attempt-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  cursor: pointer;
  background: var(--bg-elevated);
  font-family: var(--font-mono);
  font-size: 11px;
  list-style: none;
  flex-wrap: wrap;
  user-select: none;
}
.attempt-summary::-webkit-details-marker { display: none; }
.attempt-summary:hover { background: #1e2530; }

.attempt-num   { font-weight: 700; color: var(--text-bright); }
.attempt-outcome.ok   { color: var(--green); }
.attempt-outcome.fail { color: var(--red); font-weight: 600; }
.attempt-mcount.ok   { color: var(--text-dim); }
.attempt-mcount.warn { color: var(--orange); }
.attempt-mcount.fail { color: var(--orange); }

.attempt-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.artifact-links {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-left: auto;
}

.art-link {
  color: var(--blue);
  text-decoration: none;
  font-size: 10px;
  padding: 1px 6px;
  border: 1px solid rgba(85,153,255,0.4);
  border-radius: 3px;
  opacity: 0.8;
  transition: opacity 0.15s;
}
.art-link:hover { opacity: 1; }

/* Mismatch groups */
.mismatch-group {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.mismatch-group:last-child { border-bottom: none; }

.mismatch-group-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.mismatch-row {
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
}
.mismatch-row:last-child { border-bottom: none; }

.mismatch-path {
  color: var(--text-bright);
  word-break: break-all;
  margin-bottom: 3px;
}

.mismatch-diff {
  display: flex;
  align-items: baseline;
  gap: 6px;
  flex-wrap: wrap;
}

.diff-exp   { color: var(--text-dim); word-break: break-all; }
.diff-arrow { color: var(--border-bright); flex-shrink: 0; }
.diff-got   { color: var(--orange); word-break: break-all; }

.no-mismatches {
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green);
}

/* ── Table toolbar (filter + outcome filter + search) ────────────────────── */
.table-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.outcome-filter {
  display: flex;
  align-items: center;
}

.outcome-select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 10px;
  cursor: pointer;
  outline: none;
  transition: border-color 0.15s, color 0.15s;
}
.outcome-select:focus { border-color: var(--accent); color: var(--text); }

.search-wrap {
  margin-left: auto;
}

.search-input {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 12px;
  outline: none;
  width: 200px;
  transition: border-color 0.15s;
}
.search-input::placeholder { color: var(--text-dim); }
.search-input:focus { border-color: var(--accent); }

/* ── Sortable table headers ───────────────────────────────────────────────── */
.sortable-th {
  cursor: pointer;
  user-select: none;
  transition: color 0.15s;
}
.sortable-th:hover { color: var(--text-bright); }
.sortable-th.sort-asc::after  { content: ' ↑'; color: var(--accent); }
.sortable-th.sort-desc::after { content: ' ↓'; color: var(--accent); }

/* ── Drawer tabs ─────────────────────────────────────────────────────────── */
.drawer-tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
}

.drawer-tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-dim);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 9px 16px;
  text-transform: uppercase;
  transition: color 0.15s, border-color 0.15s;
}
.drawer-tab:hover { color: var(--text); }
.drawer-tab.active { border-bottom-color: var(--accent); color: var(--accent); }

.drawer-tab-content { overflow: auto; }

/* ── Field matrix ────────────────────────────────────────────────────────── */
.field-matrix {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-group-block {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.field-group-block[open] { border-color: var(--border-bright); }

.field-group-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 10px;
  cursor: pointer;
  background: var(--bg-elevated);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  list-style: none;
  user-select: none;
}
.field-group-summary::-webkit-details-marker { display: none; }
.field-group-summary:hover { background: #1e2530; color: var(--text); }

.field-group-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 10px;
}
.field-group-badge.ok   { background: var(--green-dim); color: var(--green); }
.field-group-badge.fail { background: var(--red-dim); color: var(--red); }

.field-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 11px;
}

.field-row td {
  padding: 4px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.field-row:last-child td { border-bottom: none; }

.field-row.field-mismatch   { background: rgba(255,85,85,0.04); }
.field-row.field-unexpected { background: rgba(255,170,68,0.06); }
.field-row.field-match      {}
.field-row.field-absent-match { opacity: 0.4; }

.field-row.field-critical .field-path { font-weight: 700; }

.critical-dot {
  color: var(--red);
  font-size: 7px;
  margin-right: 5px;
  vertical-align: middle;
}

.field-path {
  color: var(--text-bright);
  word-break: break-all;
  min-width: 140px;
  max-width: 200px;
}

.field-expected { color: var(--text-dim); word-break: break-all; }
.field-expected.dim { color: var(--text-dim); opacity: 0.5; }
.field-arrow { color: var(--border-bright); padding: 0 4px; white-space: nowrap; }
.field-actual { word-break: break-all; }
.field-actual.match-val    { color: var(--green); }
.field-actual.mismatch-val { color: var(--red); font-weight: 600; }
.field-actual.unexpected   { color: var(--orange); font-weight: 600; }

/* ── Field matrix panel ──────────────────────────────────────────────────── */
.field-matrix-panel { display: flex; flex-direction: column; }

.field-matrix-note {
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
}
.field-matrix-note p { margin-top: 6px; line-height: 1.6; }

.attempt-tab-bar {
  display: flex;
  gap: 6px;
  padding: 10px 12px 0;
  flex-wrap: wrap;
}

.attempt-tab-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-dim);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  padding: 4px 10px;
  transition: border-color 0.15s, color 0.15s;
}
.attempt-tab-btn:hover  { border-color: var(--border-bright); color: var(--text); }
.attempt-tab-btn.active { border-color: var(--accent); color: var(--accent); }

/* ── Validation failure block ────────────────────────────────────────────── */
.validation-error-block { padding: 0; }
.validation-detail {
  font-size: 10px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text-dim);
}

/* ── Scrollbar ────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-bright); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }