/* ══════════════════════════════════════════════════════════════════════════
   COMPARISON SECTION
══════════════════════════════════════════════════════════════════════════ */
.cmp-section {
  background: var(--black); border: 1px solid var(--black-3);
  border-radius: var(--radius-card); margin-bottom: 20px;
  box-shadow: var(--elevation-sm); overflow: hidden;
}

/* header */
.cmp-hd {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; cursor: pointer; user-select: none;
  border-bottom: 1px solid transparent; transition: border-color .15s;
}
.cmp-hd.expanded { border-bottom-color: var(--black-3); }
.cmp-hd-left  { display: flex; align-items: center; gap: 10px; }
.cmp-hd-icon  { font-size: 16px; }
.cmp-hd-title {
  font-size: var(--text-sm); font-weight: var(--font-weight-semibold); color: var(--gray-1);
}
.cmp-hd-sub   { font-size: var(--text-xs); color: var(--gray-4); margin-top: 1px; }
.cmp-chevron  { color: var(--gray-4); font-size: 11px; transition: transform .2s; }
.cmp-chevron.open { transform: rotate(180deg); }

/* body */
.cmp-body { padding: 16px 20px; display: flex; flex-direction: column; gap: 14px; }
.cmp-body.hidden { display: none; }

/* selectors row */
.cmp-selectors { display: flex; align-items: flex-end; gap: 10px; flex-wrap: wrap; }
.cmp-sel-group { display: flex; flex-direction: column; gap: 4px; }
.cmp-sel-label {
  font-size: 10px; font-weight: var(--font-weight-bold); letter-spacing: .8px;
  text-transform: uppercase; color: var(--gray-4);
}
.cmp-run-sel, .cmp-apm-sel {
  font-size: var(--text-xs); color: var(--gray-2);
  border: 1px solid var(--black-3); border-radius: var(--r-sm);
  padding: 6px 10px; background: var(--black-1);
  cursor: pointer; font-family: inherit; outline: none; min-width: 210px;
}
.cmp-run-sel:focus, .cmp-apm-sel:focus { border-color: var(--orange); }
.cmp-run-sel:disabled { opacity: .5; cursor: not-allowed; }
.cmp-run-arrow { color: var(--gray-4); font-size: 16px; padding-bottom: 6px; }
.cmp-warn { font-size: var(--text-xs); color: var(--red); align-self: flex-end; padding-bottom: 8px; }

.cmp-pdf-btn {
  display: inline-flex; align-items: center; align-self: flex-end;
  padding: 6px 14px; border-radius: var(--radius-button);
  border: 1px solid var(--orange-bdr); background: rgba(232,93,0,.08);
  color: var(--orange); font-size: var(--text-xs); font-weight: var(--font-weight-semibold);
  font-family: inherit; white-space: nowrap;
  cursor: pointer; transition: background .15s, border-color .15s, opacity .15s;
  margin-left: auto;
}
.cmp-pdf-btn:hover:not(:disabled) { background: rgba(232,93,0,.18); border-color: var(--orange); }
.cmp-pdf-btn:disabled { opacity: .5; cursor: not-allowed; }

/* state */
.cmp-state { padding: 28px; text-align: center; color: var(--gray-4); font-size: var(--text-sm); }

/* ── SUMMARY BAR ──────────────────────────────────────────────────────────── */
.cmp-summary {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 10px; padding: 4px 0 2px;
}
.cmp-stat-card {
  background: var(--black-1); border: 1px solid var(--black-3);
  border-radius: var(--r-lg); padding: 14px 16px;
  display: flex; flex-direction: column; gap: 4px;
  position: relative; overflow: hidden;
}
.cmp-stat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
}
.cmp-stat-card.s-regression::before { background: var(--red); }
.cmp-stat-card.s-fixed::before      { background: var(--green); }
.cmp-stat-card.s-unchanged::before  { background: var(--gray-4); }
.cmp-stat-card.s-total::before      { background: var(--orange); }
.cmp-stat-num {
  font-size: 28px; font-weight: 800; line-height: 1; letter-spacing: -1px;
  color: var(--gray-1);
}
.cmp-stat-card.s-regression .cmp-stat-num { color: var(--red); }
.cmp-stat-card.s-fixed .cmp-stat-num      { color: var(--green); }
.cmp-stat-label {
  font-size: 10px; font-weight: 700; letter-spacing: .8px;
  text-transform: uppercase; color: var(--gray-4);
}
.cmp-stat-sub {
  font-size: var(--text-xs); color: var(--gray-4); margin-top: 2px;
}

/* ── MATRIX ───────────────────────────────────────────────────────────────── */
.cmp-matrix-wrap {
  border: 1px solid var(--black-3); border-radius: var(--r-lg);
  overflow: hidden; overflow-x: auto;
}
.cmp-matrix-hd {
  display: grid; grid-template-columns: 190px 1fr;
  gap: 0; align-items: flex-end;
  padding: 8px 16px 0; background: var(--black-2);
  border-bottom: 1px solid var(--black-3);
  min-width: 920px;
}
.cmp-matrix-hd-apm {
  font-size: 10px; font-weight: 700; letter-spacing: .8px;
  text-transform: uppercase; color: var(--gray-4);
  padding-bottom: 8px; align-self: flex-end;
}
.cmp-tc-hds { display: flex; gap: 2px; align-items: flex-end; flex: 1; }
.cmp-tc-col-hd {
  flex: 1; min-width: 52px; cursor: default;
  font-size: 9px; font-weight: 600; color: var(--gray-4);
  text-align: center; padding-bottom: 8px; padding-left: 2px; padding-right: 2px;
  white-space: normal; word-break: break-word; line-height: 1.35;
}
.cmp-matrix-body { overflow-y: auto; min-width: 920px; }
.cmp-matrix-row {
  display: grid; grid-template-columns: 190px 1fr;
  gap: 0; align-items: center;
  padding: 0 16px; border-bottom: 1px solid rgba(255,255,255,.04);
  cursor: pointer; transition: background .12s; min-height: 46px;
}
.cmp-matrix-row:last-child { border-bottom: none; }
.cmp-matrix-row:hover { background: rgba(255,255,255,.035); }
.cmp-matrix-row.selected {
  background: rgba(232,93,0,.08);
  box-shadow: inset 3px 0 0 var(--orange);
}

.cmp-matrix-apm { display: flex; align-items: center; gap: 8px; min-width: 0; overflow: hidden; padding-right: 12px; }
.cmp-matrix-logo { height: 16px; width: auto; max-width: 48px; object-fit: contain; flex-shrink: 0; border-radius: 2px; }
.cmp-matrix-apm-label { font-size: 12px; font-weight: 500; color: var(--gray-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; letter-spacing: -.1px; }

/* heatmap cells */
.cmp-cells { display: flex; gap: 2px; flex-wrap: nowrap; align-items: center; flex: 1; }
.cmp-cell {
  flex: 1; min-width: 52px; height: 28px; border-radius: 4px;
  cursor: default; position: relative; transition: filter .1s;
}
.cmp-cell:hover { filter: brightness(1.15); }
.cmp-cell-pass  { background: #16a34a; }
.cmp-cell-fail  { background: #dc2626; }
.cmp-cell-ns    { background: rgba(163,163,163,.18); }
.cmp-cell-na    { background: rgba(163,163,163,.08); }
.cmp-cell-empty { background: rgba(255,255,255,.04); }

/* change indicator — white dot in corner */
.cmp-cell-regression::after,
.cmp-cell-fixed::after,
.cmp-cell-new::after {
  content: ''; position: absolute;
  width: 5px; height: 5px; border-radius: 50%;
  background: rgba(255,255,255,.95); box-shadow: 0 0 0 1px rgba(0,0,0,.2);
}
.cmp-cell-regression::after { top: 3px; right: 3px; }
.cmp-cell-fixed::after      { bottom: 3px; left: 3px; }
.cmp-cell-new::after        { top: 3px; left: 3px; }

/* loading row */
.cmp-matrix-loading {
  padding: 20px; text-align: center;
  color: var(--gray-4); font-size: var(--text-sm);
}

/* ── PAGINATION ────────────────────────────────────────────────────────────── */
.cmp-pagination {
  display: flex; align-items: center; justify-content: center; gap: 16px;
  padding: 12px 16px; border-top: 1px solid var(--black-3);
  background: var(--black-1);
}
.cmp-pg-btn {
  font-size: var(--text-xs); font-weight: var(--font-weight-medium);
  padding: 5px 16px; border-radius: var(--radius-button);
  border: 1px solid var(--black-3); background: var(--black);
  color: var(--gray-2); cursor: pointer; font-family: inherit;
  transition: border-color .15s, color .15s, background .15s;
}
.cmp-pg-btn:hover:not(:disabled) { border-color: var(--orange); color: var(--orange); background: rgba(232,93,0,.05); }
.cmp-pg-btn:disabled { opacity: .3; cursor: not-allowed; }
.cmp-pg-info { font-size: var(--text-xs); color: var(--gray-4); min-width: 120px; text-align: center; }

/* ── DETAIL PANEL ─────────────────────────────────────────────────────────── */
.cmp-detail-panel {
  border: 1px solid var(--orange-bdr); border-radius: var(--r-lg);
  margin-top: 10px; overflow: hidden; animation: modal-in .18s ease;
}
.cmp-detail-hd {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px; background: rgba(232,93,0,.08);
  border-bottom: 1px solid var(--orange-bdr);
}
.cmp-detail-hd-title { font-size: var(--text-sm); font-weight: 600; color: var(--gray-1); }
.cmp-detail-close {
  font-size: var(--text-xs); font-weight: 500; padding: 3px 10px;
  border-radius: var(--radius-button); border: 1px solid var(--orange-bdr);
  background: none; color: var(--orange); cursor: pointer; font-family: inherit;
  transition: background .15s;
}
.cmp-detail-close:hover { background: rgba(232,93,0,.18); }

/* shared detail table */
.cmp-tc-table { width: 100%; border-collapse: collapse; font-size: var(--text-xs); }
.cmp-tc-table th {
  background: var(--black-2); text-align: left;
  font-size: 10px; font-weight: var(--font-weight-bold); letter-spacing: .8px;
  text-transform: uppercase; color: var(--gray-4);
  padding: 6px 14px; border-bottom: 1px solid var(--black-3);
}
.cmp-tc-table td { padding: 9px 14px; border-bottom: 1px solid var(--black-3); color: var(--gray-2); vertical-align: middle; }
.cmp-tc-table tbody tr:last-child td { border-bottom: none; }
.cmp-tc-table tbody tr:hover td { background: var(--black-2); }
.cmp-tc-table tbody tr.changed td { background: rgba(232,93,0,.03); }

.cmp-arrow-col { color: var(--gray-4); font-size: 14px; width: 24px; text-align: center; }

/* latency comparison cell */
.cmp-lat-cell  { display: flex; align-items: center; gap: 5px; white-space: nowrap; }
.cmp-lat-val   { font-size: var(--text-xs); color: var(--gray-3); font-family: monospace; }
.cmp-lat-arrow { font-size: 10px; color: var(--gray-4); }
.cmp-lat-arrow.up   { color: var(--red); }
.cmp-lat-arrow.down { color: var(--green); }

/* error info icon */
.err-info-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 15px; height: 15px; border-radius: 50%;
  font-size: 10px; font-weight: 700; line-height: 1;
  background: var(--red-dim); color: var(--red); border: 1px solid var(--red-bdr);
  cursor: default; margin-left: 4px; flex-shrink: 0; vertical-align: middle;
  user-select: none;
}

.delta-chip {
  font-size: 10px; font-weight: var(--font-weight-bold); text-transform: uppercase;
  letter-spacing: .4px; padding: 2px 8px; border-radius: var(--radius-badge); white-space: nowrap;
}
.delta-chip.regression { color: var(--red);    background: var(--red-dim);    border: 1px solid var(--red-bdr); }
.delta-chip.fixed      { color: var(--green);  background: var(--green-dim);  border: 1px solid var(--green-bdr); }
.delta-chip.unchanged  { color: var(--gray-4); background: var(--black-2);    border: 1px solid var(--black-3); }
.delta-chip.new        { color: var(--orange); background: var(--orange-dim); border: 1px solid var(--orange-bdr); }
.delta-chip.removed    { color: var(--gray-4); background: var(--black-2);    border: 1px solid var(--black-3); }

/* ── Runs history table ──────────────────────────────────────────────────────── */
.cmp-runs-wrap {
  border: 1px solid var(--black-3); border-radius: var(--radius-card);
  overflow: hidden; font-size: var(--text-xs);
}
.cmp-runs-title {
  padding: 8px 14px; background: var(--black-2);
  font-size: 10px; font-weight: var(--font-weight-bold); letter-spacing: .8px;
  text-transform: uppercase; color: var(--gray-4);
  border-bottom: 1px solid var(--black-3);
}
.cmp-runs-table { width: 100%; border-collapse: collapse; }
.cmp-runs-table th {
  text-align: left; padding: 7px 14px;
  font-size: 10px; font-weight: var(--font-weight-bold); letter-spacing: .6px;
  text-transform: uppercase; color: var(--gray-4);
  background: var(--black-2); border-bottom: 1px solid var(--black-3);
}
.cmp-runs-table td {
  padding: 8px 14px; border-bottom: 1px solid var(--black-3);
  color: var(--gray-2); vertical-align: middle;
}
.cmp-runs-table tbody tr:last-child td { border-bottom: none; }
.cmp-runs-table tbody tr:hover td { background: rgba(255,255,255,.04); cursor: pointer; }
.cmp-run-idx    { color: var(--gray-4); font-size: 10px; width: 28px; }
.cmp-run-dur    { font-family: monospace; font-weight: 600; color: var(--gray-1); white-space: nowrap; }
.cmp-run-ts-cell { color: var(--gray-3); white-space: nowrap; }
.cmp-run-status-chip {
  display: inline-block; padding: 2px 7px; border-radius: var(--radius-badge);
  font-size: 10px; font-weight: var(--font-weight-bold); text-transform: uppercase; letter-spacing: .3px;
}
.cmp-run-status-chip.COMPLETED { background: var(--green-dim); color: var(--green); border: 1px solid var(--green-bdr); }
.cmp-run-status-chip.RUNNING   { background: var(--orange-dim); color: var(--orange); border: 1px solid var(--orange-bdr); }
.cmp-run-status-chip.FAILED    { background: var(--red-dim); color: var(--red); border: 1px solid var(--red-bdr); }
.cmp-run-id     { font-family: monospace; font-size: 10px; color: var(--gray-4); }
.cmp-run-env-chip {
  display: inline-block; padding: 2px 7px; border-radius: var(--radius-badge);
  font-size: 10px; font-weight: var(--font-weight-bold); text-transform: uppercase; letter-spacing: .3px;
  background: rgba(99,179,237,.12); color: #63b3ed; border: 1px solid rgba(99,179,237,.25);
}
.cmp-run-view-link {
  font-size: 11px; font-weight: 600; color: var(--orange);
  text-decoration: none; white-space: nowrap; opacity: 0;
  transition: opacity .15s;
}
.cmp-runs-table tbody tr:hover .cmp-run-view-link { opacity: 1; }

/* ═══════════════════════════════════════════════════════════════════════════
   ANIMATIONS & MICRO-INTERACTIONS
═══════════════════════════════════════════════════════════════════════════ */

@keyframes cmp-slide-in {
  from { opacity: 0; transform: translateY(7px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes running-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(232,93,0,.45); }
  55%       { box-shadow: 0 0 0 5px rgba(232,93,0,0); }
}
@keyframes pdf-shine {
  from { background-position: -200% 0; }
  to   { background-position:  200% 0; }
}

/* ── Section: entrance + hover lift ─────────────────────────────────────── */
.cmp-section {
  animation: cmp-slide-in .3s ease both;
  transition: box-shadow .22s, border-color .22s;
}
.cmp-section:hover { box-shadow: 0 3px 16px rgba(0,0,0,.07); }

/* ── Stat cards: hover lift with colour-tinted shadow ───────────────────── */
.cmp-stat-card {
  transition: transform .18s ease, box-shadow .18s ease;
}
.cmp-stat-card:hover               { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,.08); }
.cmp-stat-card.s-regression:hover  { box-shadow: 0 6px 20px rgba(185,28,28,.14); }
.cmp-stat-card.s-fixed:hover       { box-shadow: 0 6px 20px rgba(21,128,61,.14); }
.cmp-stat-card.s-total:hover       { box-shadow: 0 6px 20px rgba(232,93,0,.14); }
.cmp-stat-num                      { animation: cmp-slide-in .4s ease both .15s; }

/* ── RUNNING chip: pulse ring ────────────────────────────────────────────── */
.cmp-run-status-chip.RUNNING {
  animation: running-pulse 1.9s ease-in-out infinite;
}

/* ── PDF button: shine sweep on hover ───────────────────────────────────── */
.cmp-pdf-btn { position: relative; overflow: hidden; }
.cmp-pdf-btn::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(105deg,
    transparent 25%, rgba(255,255,255,.38) 50%, transparent 75%);
  background-size: 200% 100%;
  background-position: -200% 0;
}
.cmp-pdf-btn:hover:not(:disabled)::after {
  animation: pdf-shine .55s ease forwards;
}

/* ── Matrix row: inset accent + smooth transitions ───────────────────────── */
.cmp-matrix-row {
  transition: background .14s, box-shadow .14s;
}
.cmp-matrix-row:hover  { box-shadow: inset 2px 0 0 rgba(232,93,0,.38); }
.cmp-matrix-row.selected { box-shadow: inset 3px 0 0 var(--orange); transition: background .14s, box-shadow .14s; }

/* ── Heatmap cells: scale pop on hover ───────────────────────────────────── */
.cmp-cell {
  transition: filter .12s, transform .13s;
  position: relative;
}
.cmp-cell:hover { filter: brightness(1.14); transform: scale(1.07); z-index: 1; }

/* ── Runs table: row accent + view link slide ────────────────────────────── */
.cmp-runs-table tbody tr { transition: background .12s, box-shadow .12s; }
.cmp-runs-table tbody tr:hover td:first-child { box-shadow: inset 2px 0 0 rgba(232,93,0,.55); }
.cmp-run-view-link {
  transform: translateX(-5px);
  transition: opacity .15s, transform .15s;
}
.cmp-runs-table tbody tr:hover .cmp-run-view-link {
  opacity: 1;
  transform: translateX(0);
}

/* ── Detail panel: entrance ──────────────────────────────────────────────── */
.cmp-detail-panel { animation: cmp-slide-in .22s ease both; }

/* ── Selects: focus glow ─────────────────────────────────────────────────── */
.cmp-run-sel, .cmp-apm-sel { transition: border-color .15s, box-shadow .15s; }
.cmp-run-sel:focus, .cmp-apm-sel:focus { box-shadow: 0 0 0 3px rgba(232,93,0,.12); }

/* ── Pagination buttons: hover lift ─────────────────────────────────────── */
.cmp-pg-btn { transition: border-color .15s, color .15s, background .15s, transform .12s, box-shadow .12s; }
.cmp-pg-btn:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 3px 10px rgba(232,93,0,.15); }
.cmp-pg-btn:active:not(:disabled) { transform: translateY(0); box-shadow: none; }

/* ── Env chip: hover brighten ────────────────────────────────────────────── */
.cmp-run-env-chip { transition: background .15s, border-color .15s; cursor: default; }
.cmp-run-env-chip:hover { background: rgba(99,179,237,.22); border-color: rgba(99,179,237,.45); }