:root {
  --bg: #f5f6fb; --panel: #ffffff; --panel2: #f0f2fa; --ink: #202437; --muted: #6b7290;
  --accent: #6d5ce7; --accent-soft: #efeafe; --line: #e4e7f2;
  --ok: #16a34a; --warn: #d97706; --bad: #dc2626;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font-family: "Segoe UI", "Noto Sans Thai", system-ui, sans-serif; font-size: 15px; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 14px 22px; background: linear-gradient(90deg, #6d5ce7, #8b7bf0); color: #fff;
  position: sticky; top: 0; z-index: 5; box-shadow: 0 1px 4px rgba(40, 30, 120, .18); }
.brand { font-weight: 700; font-size: 18px; } .brand span { color: #e4ddff; font-weight: 400; }
.meta { color: #efeaff; font-size: 12.5px; }

/* ── in-content app filter (ชั้นกรองเดียว) ───────────────────── */
.case-filters.page-filter-row { align-items: center; margin: 4px 0 8px; }
.case-toolbar .app-pills { margin: 0; }
.case-toolbar .app-pills .chip-filter { padding: 6px 10px; }
.case-toolbar .ctl-select.case-section { max-width: 150px; }
.case-toolbar .ctl-select.case-sort { max-width: 150px; }
.ctl-input.case-search { flex: 1 1 160px; min-width: 160px; }
.tabs { display: flex; gap: 8px; padding: 12px 22px; border-bottom: 1px solid var(--line);
  flex-wrap: wrap; background: #fff; position: sticky; top: var(--topbar-h, 52px); z-index: 4; }
.tabs button { background: var(--panel2); color: var(--muted); border: 1px solid var(--line);
  border-radius: 999px; padding: 7px 14px; cursor: pointer; font-size: 14px; }
.tabs button.active { background: var(--accent); color: #fff; border-color: var(--accent); }
main { padding: 18px 22px 60px; max-width: 1240px; margin: 0 auto; }
h2 { margin: 4px 0 6px; } .hint { color: var(--muted); margin: 0 0 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px;
  margin: 0 0 16px; box-shadow: 0 1px 3px rgba(20, 25, 60, .05); }
.card-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.card-head h3 { margin: 0 8px 0 0; font-size: 16px; }
.muted { color: var(--muted); font-size: 12.5px; margin: 6px 0; }
.badge { font-size: 11.5px; border-radius: 999px; padding: 3px 10px; background: var(--panel2); border: 1px solid var(--line); }
.badge.mode { background: #e7e9fb; color: #4b4e8f; } .badge.state { background: #e3f6ec; color: #157347; }
.badge.imported { background: #fdf0d9; color: #92610c; } .badge.finding { background: #fde3e3; color: #b02a2a; }
.badge.app { background: #ece7fd; color: #5747b8; }
.sev-p0 { background: #fee2e2; color: #b91c1c; } .sev-p1 { background: #fef3c7; color: #b45309; }
.sev-p2 { background: #dcfce7; color: #15803d; } .sev-p3 { background: #e0e7ff; color: #4338ca; }
.outcome-pass { background: #dcfce7; color: #15803d; } .outcome-investigate { background: #fef3c7; color: #b45309; }
.outcome-blocked { background: #fee2e2; color: #b91c1c; } .outcome-fail { background: #fee2e2; color: #b91c1c; }
.chip-row { display: flex; gap: 6px; flex-wrap: wrap; margin: 8px 0; }
.chip { font-size: 11.5px; background: var(--panel2); border: 1px solid var(--line); color: var(--muted);
  border-radius: 8px; padding: 3px 8px; font-family: Consolas, monospace; }
.strip { display: flex; gap: 10px; overflow-x: auto; padding: 8px 2px; }
.strip figure { margin: 0; flex: 0 0 auto; max-width: 300px; }
.strip img.thumb { height: 150px; border-radius: 10px; border: 1px solid var(--line); cursor: zoom-in; display: block; }
.strip figcaption { font-size: 11.5px; color: var(--muted); margin-top: 4px; max-width: 300px; }
table.steps { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 13px; }
table.steps th, table.steps td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.steps th { color: var(--muted); font-weight: 600; }
.links { display: flex; gap: 12px; margin-top: 8px; }
.links a { color: var(--accent); font-size: 13px; }
pre.body { background: #f7f8fc; border: 1px solid var(--line); border-radius: 10px; padding: 12px;
  white-space: pre-wrap; font-size: 12.5px; color: #33384f; max-height: 480px; overflow: auto; }
button.copy { margin-top: 8px; background: var(--accent); color: #fff; border: 0; border-radius: 8px;
  padding: 7px 12px; cursor: pointer; font-size: 13px; }
.lightbox { position: fixed; inset: 0; background: rgba(15, 18, 40, .88); display: flex; align-items: center;
  justify-content: center; z-index: 50; cursor: zoom-out; }
.lightbox img { max-width: 94vw; max-height: 92vh; border-radius: 8px; }
.hidden { display: none; }

/* ── Skill Tree ─────────────────────────────────────────────── */
.tree-legend { display: flex; gap: 16px; align-items: center; color: var(--muted); font-size: 12px; margin: 4px 0 10px; flex-wrap: wrap; }
.tree-legend .dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 5px; vertical-align: middle; }

.tree-toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 4px 0 10px; }
.tree-toolbar-group { display: flex; gap: 6px; align-items: center; }
.tree-toolbar .tbtn, .tree-toolbar .chip-filter { background: var(--panel2); color: var(--muted); border: 1px solid var(--line);
  border-radius: 8px; padding: 5px 10px; cursor: pointer; font-size: 13px; line-height: 1.2; font-family: inherit; }
.tree-toolbar .tbtn:hover, .tree-toolbar .chip-filter:hover { border-color: var(--accent); color: var(--ink); }
.tree-toolbar .tbtn:active { background: var(--accent-soft); }
.tree-toolbar .chip-filter.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.zoom-readout { min-width: 46px; text-align: center; font-size: 12.5px; color: var(--muted); font-variant-numeric: tabular-nums; }
.tree-labels { display: inline-flex; gap: 6px; align-items: center; font-size: 13px; color: var(--muted); cursor: pointer; }

.tree-svg { display: block; width: 100%; height: 74vh; min-height: 420px; background: #fff; border: 1px solid var(--line);
  border-radius: 14px; box-shadow: 0 1px 3px rgba(20, 25, 60, .05); cursor: grab; touch-action: none; user-select: none; }
.tree-svg:active { cursor: grabbing; }
.tree-viewport { will-change: transform; }

.tnode { cursor: pointer; }
.tnode rect { stroke: var(--line); stroke-width: 1.2; transition: stroke .15s, opacity .15s; }
.tnode:hover rect, .tnode.sel rect, .tnode.hi rect { stroke: var(--accent); stroke-width: 2; }
.tnode.app rect { fill: var(--accent-soft); stroke: #cec5f7; }
.tnode.state rect { fill: #ffffff; }
.tnode.state.cov-explored rect { fill: #ffffff; }
.tnode.state.cov-finding rect { fill: #fff5f5; stroke: #e5a3a3; }
.tnode.state.cov-blocked rect { fill: #fff8e8; stroke: #e3d3a8; }
.tnode.finding rect { fill: #ffffff; }
.tnode.finding.sev-p0 rect { fill: #fee2e2; } .tnode.finding.sev-p1 rect { fill: #fef3c7; }
.tnode.finding.sev-p2 rect { fill: #dcfce7; } .tnode.finding.sev-p3 rect { fill: #e0e7ff; }
.tnode text { font-size: 12.5px; fill: var(--ink); pointer-events: none; }
.tnode .sub { font-size: 11px; fill: var(--muted); }

.edge { fill: none; stroke-linecap: round; transition: opacity .15s; }
.edge-contains { stroke: #e0e4f1; stroke-width: 1.5; }
.edge-nav { stroke: #8f86ea; stroke-width: 1.8; stroke-dasharray: 5 4; }
.edge-finding { stroke: #e5a3a3; stroke-width: 1.8; }
.edge-label { font-size: 10px; fill: #9298b8; pointer-events: none; transition: opacity .15s; }
.tnode.dim, .edge.dim, .edge-label.dim { opacity: .16; }
.tnode.hi, .edge.hi { opacity: 1; }

.tree-info { margin-top: 12px; }
.tree-info.hidden { display: none; }

/* ── Case card (business-readable) + deep link overlay ──────── */
.case-toolbar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin: 0 0 14px; }
.case-hint { font-size: 12.5px; color: var(--muted); }
.case-anchor { scroll-margin-top: 120px; }

.case-card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  padding: 20px 20px 16px; margin: 0 0 16px; box-shadow: 0 1px 3px rgba(20, 25, 60, .05); }
.case-card.in-overlay { margin: 0; box-shadow: 0 14px 44px rgba(15, 18, 40, .3); }
.case-card .card-head h3 { font-size: 17px; line-height: 1.35; }
.case-section { margin-top: 14px; }
.case-section h4 { margin: 0 0 6px; font-size: 13.5px; color: #3b3f5c; font-weight: 700; }
.case-section p { margin: 0; white-space: pre-wrap; line-height: 1.55; }

.page-chip { display: inline-block; cursor: pointer; font-size: 11.5px; background: var(--accent-soft);
  border: 1px solid #cec5f7; color: #5747b8; border-radius: 8px; padding: 3px 9px;
  font-family: Consolas, monospace; }
.page-chip:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.finding-chip { background: #fde3e3; border-color: #f0b3b3; color: #b02a2a; }
.finding-chip:hover { background: #d9534f; color: #fff; border-color: #d9534f; }

.evid-thumbs { margin-top: 4px; }
.evid-links { flex-wrap: wrap; align-items: center; gap: 8px; }
.evid-links .evid-label { font-size: 12px; color: var(--muted); font-family: Consolas, monospace; }
.case-details { margin-top: 12px; }
.case-details summary { cursor: pointer; font-size: 13.5px; color: #3b3f5c; font-weight: 600; }
.copy-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.copy-row button.copy { margin-top: 0; }

.case-overlay { position: fixed; inset: 0; z-index: 40; background: rgba(15, 18, 40, .55);
  overflow: auto; padding: 34px 16px 60px; }
.case-overlay.hidden { display: none; }
.case-overlay-box { position: relative; width: 100%; max-width: 920px; margin: 0 auto; }
.case-close { position: absolute; top: -4px; right: 0; z-index: 1; width: 34px; height: 34px;
  border-radius: 50%; border: 1px solid var(--line); background: #fff; color: var(--ink);
  font-size: 16px; line-height: 1; cursor: pointer; box-shadow: 0 2px 8px rgba(15, 18, 40, .2); }
.case-close:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.case-card-host .case-card .card-head { padding-right: 44px; }
body.case-open { overflow: hidden; }

/* ── 📋 Cases tab ───────────────────────────────────────────── */
.k-pass { background: #dcfce7; color: #15803d; border-color: #a9e6bd; }
.k-investigate { background: #fef3c7; color: #b45309; border-color: #f0d795; }
.k-fail { background: #fee2e2; color: #b91c1c; border-color: #f3b6b6; }
.k-blocked { background: #ede9fe; color: #5b21b6; border-color: #cfc4f5; }
.k-unknown { background: var(--panel2); color: var(--muted); }
.k-p1 { background: #fee2e2; color: #b91c1c; border-color: #f3b6b6; }
.k-p2 { background: #fef3c7; color: #b45309; border-color: #f0d795; }
.k-p3 { background: #e2e8f0; color: #475569; border-color: #cbd5e1; }
.state-kinds { font-size: 13px; color: var(--muted); background: var(--panel2); border: 1px solid var(--line);
  border-radius: 10px; padding: 8px 12px; margin: 4px 0 14px; }
.case-filters { display: flex; gap: 6px; flex-wrap: wrap; margin: 4px 0 16px; }
.case-filters .chip-filter { background: var(--panel2); color: var(--muted); border: 1px solid var(--line);
  border-radius: 999px; padding: 6px 12px; cursor: pointer; font-size: 13px; font-family: inherit; }
.case-filters .chip-filter:hover { border-color: var(--accent); color: var(--ink); }
.case-filters .chip-filter.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.case-section-title { margin: 20px 0 8px; font-size: 15px; }
.case-row .card-head h3 { font-size: 15px; }
.case-status { margin: 4px 0 6px; }
.case-sessions { gap: 10px; flex-wrap: wrap; }
.case-sessions a.evid-small { font-size: 12px; font-family: Consolas, monospace; }
.case-detail-body { margin-top: 8px; }
.case-detail-block { margin-bottom: 10px; }
.case-detail-block h4 { margin: 0 0 3px; font-size: 12.5px; color: var(--muted); font-weight: 600; }
.case-detail-block div { white-space: pre-wrap; font-size: 13px; line-height: 1.5; }

/* ── Cases/Findings toolbar controls ────────────────────────── */
.case-toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 0 0 14px; }
.case-toolbar .case-filters { margin: 0; }
.case-toolbar .chip-filter { background: var(--panel2); color: var(--muted); border: 1px solid var(--line);
  border-radius: 999px; padding: 6px 12px; cursor: pointer; font-size: 13px; font-family: inherit; }
.case-toolbar .chip-filter:hover { border-color: var(--accent); color: var(--ink); }
.case-toolbar .chip-filter.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.ctl-select, .ctl-input { background: #fff; color: var(--ink); border: 1px solid var(--line);
  border-radius: 8px; padding: 6px 10px; font-size: 13px; font-family: inherit; }
.ctl-select { cursor: pointer; }
.ctl-input { min-width: 230px; }
.ctl-select:focus, .ctl-input:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.case-count { font-size: 12.5px; color: var(--muted); margin-left: auto; font-variant-numeric: tabular-nums; }

/* ── case row: mini problem/expected + thumbs ───────────────── */
.case-mini p { margin: 0 0 4px; font-size: 13.5px; line-height: 1.5; }
.case-mini p strong { color: var(--muted); font-weight: 600; margin-right: 4px; }
.mini-thumbs img.thumb { height: 112px; }
.mini-thumbs figcaption { font-size: 11px; max-width: 200px; }
button.copy.mini-open { background: var(--accent-soft); color: #4b4e8f; border: 1px solid #cec5f7; }
button.copy.mini-open:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ── coverage backlog (section F) ───────────────────────────── */
.backlog-row { padding: 10px 14px; margin-bottom: 8px; }
.backlog-row .card-head { align-items: flex-start; gap: 8px; }
.backlog-text { font-size: 13.5px; line-height: 1.5; }
.backlog-block { margin-top: 20px; }
.backlog-block > summary { cursor: pointer; font-size: 15px; font-weight: 600; margin-bottom: 6px; color: var(--ink); }

/* ── 📊 Summary (executive) ─────────────────────────────────── */
.summary-hero { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap;
  background: linear-gradient(100deg, #efeafe, #f7f8ff); border: 1px solid #ded6fa; border-radius: 16px;
  padding: 20px 24px; margin: 0 0 16px; box-shadow: 0 2px 10px rgba(60, 45, 160, .08); }
.summary-hero-main { display: flex; flex-direction: column; gap: 2px; }
.summary-big { font-size: 52px; font-weight: 800; line-height: 1; color: var(--accent); font-variant-numeric: tabular-nums; }
.summary-big-label { font-size: 14px; font-weight: 600; color: #3b3f5c; }
.summary-hero-main .chip-row { margin: 8px 0 0; }
.summary-hero-side { text-align: right; font-size: 14px; }
.summary-hero-side .muted { margin-top: 4px; }

.summary-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin: 0 0 16px; }
.summary-kpi { margin: 0; padding: 12px 14px; }
.summary-kpi-icon { font-size: 18px; }
.summary-kpi-value { font-size: 24px; font-weight: 800; line-height: 1.2; font-variant-numeric: tabular-nums; }
.summary-kpi-label { font-size: 13px; color: #3b3f5c; font-weight: 600; }
.summary-kpi .muted { margin: 3px 0 0; }

.summary-block h3 { margin: 0 0 8px; font-size: 15px; }
.issue-row { display: flex; align-items: center; gap: 10px; padding: 9px 6px; border-bottom: 1px solid var(--line); }
.issue-row:last-of-type { border-bottom: 0; }
.issue-row:hover { background: var(--panel2); }
.issue-title { flex: 1; min-width: 0; font-size: 14px; line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.issue-sub { flex: 1.4; min-width: 0; color: var(--muted); font-size: 12.5px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.issue-link { flex: 0 0 auto; background: var(--accent-soft); color: #4b4e8f; border: 1px solid #cec5f7;
  border-radius: 8px; padding: 5px 11px; cursor: pointer; font-size: 12.5px; font-family: inherit; }
.issue-link:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.issue-more { margin-top: 10px; background: transparent; border: 0; color: var(--accent); padding: 6px 2px; text-decoration: underline; }
.issue-session { cursor: pointer; }
.issue-session strong { font-family: Consolas, monospace; font-size: 13px; }

/* ── export md + retests (ทดสอบซ้ำ) ─────────────────────────── */
.issue-link.export-md { margin-left: auto; }
.retest-row { align-items: center; gap: 8px; padding: 6px 4px; }
.retest-round { font-size: 12.5px; font-weight: 700; white-space: nowrap; }
.retest-row .evid-small { font-size: 12px; font-family: Consolas, monospace; color: var(--accent); }
.retest-note { flex: 1; min-width: 0; font-size: 12.5px; color: var(--muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

@media (max-width: 560px) { .summary-hero-side { text-align: left; } }

/* ── Cases: การ์ดสรุปแบบกระชับ 1 แถว ── */
.case-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin: 0 0 14px; }
.case-kpi { padding: 10px 12px; }
.case-kpi-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.case-kpi-value { font-size: 22px; font-weight: 800; line-height: 1.1; font-variant-numeric: tabular-nums; }
.case-kpi-sub { font-size: 11.5px; margin: 2px 0 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }