/* Method Validation Studio — Graph Studio–matched shell:
   blue ribbon, gray navigator, white canvas, colored bottom tabs, dark status bar. */

.method-validation-root {
  --pr-blue: #2f6bd4;
  --pr-blue-dk: #21508f;
  --pr-teal: #16a0a0;
  --pr-bg: #f4f6fa;
  --pr-surface: #ffffff;
  --pr-nav-bg: #eef1f6;
  --pr-line: #d7dce6;
  --pr-ink: #1f2733;
  --pr-ink-soft: #6c7686;
  --pr-hover: #e4ebf7;
  --pr-active: #d6e4fb;
  --pr-shadow: 0 1px 3px rgba(20, 40, 80, 0.12);
  --mvs-nav-w: 228px;
  --mvs-inspector-w: 292px;
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  color: var(--pr-ink);
  background: var(--pr-bg);
  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
  font-size: 13px;
}
.dark .method-validation-root {
  --pr-bg: #1a1d24;
  --pr-surface: #20242d;
  --pr-nav-bg: #181b21;
  --pr-line: #333a47;
  --pr-ink: #e8ecf3;
  --pr-ink-soft: #9aa5b5;
  --pr-hover: #2a3140;
  --pr-active: #2f3e58;
  --pr-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.mvs-app { display: flex; flex-direction: column; height: 100%; min-height: 0; background: var(--pr-bg); }
.mvs-body { flex: 1; display: flex; min-height: 0; }
.mvs-center { flex: 1; min-width: 0; display: flex; flex-direction: column; background: var(--pr-surface); }

.mvs-ribbon { background: var(--pr-surface); border-bottom: 1px solid var(--pr-line); box-shadow: var(--pr-shadow); z-index: 6; flex: 0 0 auto; }
.mvs-ribbon-inner { display: flex; flex-direction: column; }
.mvs-ribbon-strip {
  display: flex; align-items: stretch; gap: 10px;
  background: linear-gradient(180deg, var(--pr-blue), var(--pr-blue-dk));
  color: #fff; padding: 0 10px; height: 30px;
}
.mvs-ribbon-brand { display: flex; align-items: center; gap: 6px; font-weight: 700; font-size: 12.5px; letter-spacing: .2px; padding-right: 6px; white-space: nowrap; }
.mvs-ribbon-mark { display: inline-flex; color: #bfe0ff; }
.mvs-ribbon-mark svg { width: 14px; height: 14px; }
.mvs-ribbon-tabs { display: flex; align-items: stretch; gap: 2px; flex: 1; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.mvs-ribbon-tabs::-webkit-scrollbar { display: none; }
.mvs-ribbon-tab {
  border: none; background: transparent; color: rgba(255,255,255,.78);
  padding: 0 13px; font-size: 12px; font-weight: 600; cursor: pointer;
  border-radius: 6px 6px 0 0; line-height: 30px;
}
.mvs-ribbon-tab:hover { background: rgba(255,255,255,.12); color: #fff; }
.mvs-ribbon-tab.active { color: var(--pr-blue-dk); background: var(--pr-surface); }
.mvs-ribbon-strip-right { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.mvs-ribbon-ruo {
  font-size: 10px; font-weight: 800; letter-spacing: .06em;
  border: 1px solid rgba(255,255,255,.35); border-radius: 999px; padding: 1px 7px; color: #ffe8c7;
}
.mvs-ribbon-state {
  font-size: 10px; font-weight: 650; padding: 1px 7px;
  border: 1px solid rgba(255,255,255,.35); border-radius: 4px; color: #eaf5ff; white-space: nowrap;
}
.mvs-ribbon-body { display: flex; align-items: stretch; gap: 6px; padding: 5px 7px; overflow-x: auto; min-height: 0; }
.mvs-ribbon-group {
  display: flex; flex-direction: column; gap: 3px;
  padding: 3px 9px; border-radius: 8px;
  background: color-mix(in srgb, var(--pr-ink) 2.5%, transparent);
  border: 1px solid color-mix(in srgb, var(--pr-ink) 6%, transparent);
  flex: 0 0 auto;
}
.mvs-ribbon-grouplabel {
  font-size: 9.5px; font-weight: 700; color: var(--pr-ink-soft);
  text-transform: uppercase; letter-spacing: .5px; white-space: nowrap; line-height: 1.2;
}
.mvs-ribbon-items { display: flex; align-items: stretch; gap: 2px; }
.mvs-ribbon-smallcol { display: flex; flex-direction: column; justify-content: center; gap: 1px; padding: 0 2px; }
.mvs-ribbon-smallcol + .mvs-ribbon-smallcol { border-left: 1px solid var(--pr-line); padding-left: 7px; }
.mvs-rib-big {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; width: 64px; min-height: 46px; padding: 4px 2px;
  border: 1px solid transparent; border-radius: 7px; background: transparent;
  color: var(--pr-ink); cursor: pointer; font-size: 10.5px; text-align: center; line-height: 1.1;
}
.mvs-rib-big:hover { background: var(--pr-hover); border-color: var(--pr-line); }
.mvs-rib-big .mvs-rib-icon { color: var(--pr-blue); display: inline-flex; }
.mvs-rib-big.primary { background: var(--pr-blue); border-color: var(--pr-blue); color: #fff; font-weight: 700; }
.mvs-rib-big.primary .mvs-rib-icon { color: #fff; }
.mvs-rib-big.primary:hover { background: var(--pr-blue-dk); }
.mvs-rib-big.accent { background: color-mix(in srgb, var(--pr-teal) 10%, transparent); border-color: color-mix(in srgb, var(--pr-teal) 25%, transparent); font-weight: 600; }
.mvs-rib-big.accent .mvs-rib-icon { color: var(--pr-teal); }
.mvs-rib-label { white-space: nowrap; max-width: 100%; overflow: hidden; text-overflow: ellipsis; }
.mvs-rib-small {
  display: flex; align-items: center; gap: 5px;
  padding: 2px 7px 2px 4px; border: 1px solid transparent; border-radius: 5px;
  background: transparent; color: var(--pr-ink); cursor: pointer; font-size: 11px;
  text-align: left; min-height: 19px; white-space: nowrap;
}
.mvs-rib-small:hover { background: var(--pr-hover); border-color: var(--pr-line); }
.mvs-rib-small .mvs-rib-icon-sm { color: var(--pr-blue); display: inline-flex; }
.mvs-rib-icon svg, .mvs-rib-icon-sm svg { display: block; }
.mvs-rib-icon-sm svg { width: 13px; height: 13px; }

.mvs-nav {
  width: var(--mvs-nav-w); flex: 0 0 var(--mvs-nav-w);
  background: var(--pr-nav-bg); border-right: 1px solid var(--pr-line);
  overflow: auto;
}
.mvs-nav-resizer, .mvs-inspector-resizer { flex: 0 0 6px; cursor: col-resize; background: transparent; z-index: 2; }
.mvs-nav-resizer:hover, .mvs-nav-resizer.is-dragging,
.mvs-inspector-resizer:hover, .mvs-inspector-resizer.is-dragging {
  background: color-mix(in srgb, var(--pr-blue) 35%, transparent);
}
.mvs-nav-searchwrap { padding: 6px 8px; position: sticky; top: 0; background: var(--pr-nav-bg); z-index: 2; }
.mvs-nav-search {
  width: 100%; padding: 5px 9px; border: 1px solid var(--pr-line); border-radius: 6px;
  background: var(--pr-surface); color: var(--pr-ink); font-size: 12px;
}
.mvs-nav-search:focus { outline: none; border-color: var(--pr-blue); }
.mvs-nav-section {
  display: flex; align-items: center; gap: 6px; padding: 8px 10px 4px;
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .6px; color: var(--pr-ink-soft);
}
.mvs-nav-item {
  display: flex; align-items: center; gap: 6px; width: 100%;
  padding: 5px 8px 5px 10px; border: 0; border-left: 3px solid transparent;
  background: transparent; color: var(--pr-ink); cursor: pointer; text-align: left; font-size: 12.5px;
}
.mvs-nav-item:hover { background: var(--pr-hover); }
.mvs-nav-item.active { background: var(--pr-active); border-left-color: var(--mvs-tint, var(--pr-blue)); font-weight: 650; }
.mvs-nav-item.depth-1 { padding-left: 28px; font-size: 12px; color: var(--pr-ink-soft); }
.mvs-nav-swatch {
  width: 8px; height: 8px; border-radius: 50%; flex: none;
  background: var(--mvs-tint, var(--pr-blue));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--mvs-tint, var(--pr-blue)) 18%, white);
}
.mvs-nav-glyph { width: 28px; flex: none; font-size: 10px; font-weight: 800; color: var(--mvs-tint, var(--pr-blue)); letter-spacing: .02em; }
.mvs-nav-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mvs-nav-meta { color: var(--pr-ink-soft); font-size: 10px; font-variant-numeric: tabular-nums; }

.mvs-canvas {
  flex: 1; min-width: 0; overflow: auto;
  padding: 14px 18px 28px; background: var(--pr-surface);
}
.mvs-canvas.is-graph { padding: 0; overflow: hidden; background:
  radial-gradient(circle at 1px 1px, color-mix(in srgb, var(--pr-line) 80%, transparent) 1px, transparent 0) 0 0 / 20px 20px,
  var(--pr-surface);
}
.mvs-inspector {
  width: var(--mvs-inspector-w); flex: 0 0 var(--mvs-inspector-w);
  background: var(--pr-nav-bg); border-left: 1px solid var(--pr-line);
  overflow: auto; padding: 10px;
}
.mvs-inspector .st-card { margin-bottom: 10px; }

.mvs-sheet-tabs {
  flex: 0 0 auto; display: flex; align-items: stretch;
  background: var(--pr-nav-bg); border-top: 1px solid var(--pr-line); min-height: 28px; padding: 0 8px;
}
.mvs-tabs-bar, .mvs-tabs-scroll { display: flex; flex: 1; min-width: 0; align-items: flex-end; gap: 2px; overflow-x: auto; }
.mvs-tab {
  flex: 0 0 auto; display: inline-flex; align-items: center;
  border: 1px solid var(--pr-line); border-bottom: none;
  background: var(--pr-bg); color: var(--pr-ink-soft);
  padding: 5px 12px; border-radius: 6px 6px 0 0; font-size: 12px;
  cursor: pointer; white-space: nowrap; border-top: 3px solid transparent;
}
.mvs-tab:hover { background: var(--pr-hover); }
.mvs-tab.active { background: var(--pr-surface); color: var(--pr-ink); font-weight: 700; border-top-color: var(--mvs-tint, var(--pr-blue)); }
.mvs-statusbar {
  display: flex; align-items: center; gap: 10px; flex: 0 0 auto;
  padding: 3px 14px; min-height: 22px;
  background: var(--pr-blue-dk); color: rgba(255,255,255,.9); font-size: 11px;
}
.mvs-status-message { flex: 0 1 auto; }
.mvs-status-spacer { flex: 1; }
.mvs-status-score { font-variant-numeric: tabular-nums; font-weight: 700; color: #cfe4ff; }
.mvs-ruo { font-weight: 700; color: #ffe8c7; }
.mvs-demo-badge {
  display: inline-flex; align-items: center; min-height: 22px; padding: 0 8px;
  border-radius: 999px; background: #fff7d6; border: 1px solid #f4d76a; color: #7a4c00;
  font-size: 10px; font-weight: 800; letter-spacing: .04em;
}
.mvs-error-link { border: 0; background: transparent; color: #fecaca; text-decoration: underline; cursor: pointer; }

.method-validation-root .st-card { background: var(--pr-surface); }
.method-validation-root .st-input,
.method-validation-root textarea.st-input,
.method-validation-root select.st-input {
  background: var(--pr-surface); color: var(--pr-ink); border-color: var(--pr-line);
}

.mvs-page { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.mvs-grid { display: grid; gap: 14px; align-items: start; }
.mvs-grid.two { grid-template-columns: minmax(320px, 1fr) minmax(360px, 1.15fr); }
.mvs-dashboard { display: grid; grid-template-columns: minmax(280px, 0.8fr) minmax(340px, 1fr); gap: 14px; }
.mvs-dashboard .st-card:last-child { grid-column: 1 / -1; }

.mvs-hero {
  display: flex; gap: 18px; align-items: center; flex-wrap: wrap;
  padding: 16px 18px; border: 1px solid var(--pr-line); border-radius: 12px;
  background: linear-gradient(180deg, var(--pr-surface), var(--pr-bg));
  box-shadow: var(--pr-shadow);
}
.mvs-hero-copy { flex: 1; min-width: 240px; }
.mvs-hero-title { margin: 0 0 6px; font-size: 22px; letter-spacing: -.02em; }
.mvs-kicker { font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--pr-blue); }
.mvs-hero-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; min-width: 200px; }
.mvs-score-ring { color: var(--pr-ink); flex: none; }

.mvs-type-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 8px; }
.mvs-type-card {
  display: flex; flex-direction: column; gap: 6px; text-align: left;
  padding: 12px; border: 1px solid var(--pr-line); border-radius: 10px;
  background: var(--pr-surface); color: var(--pr-ink); cursor: pointer;
  border-top: 3px solid var(--mvs-tint, var(--pr-blue));
}
.mvs-type-card:hover { background: var(--pr-hover); }
.mvs-type-card.active { background: var(--pr-active); box-shadow: var(--pr-shadow); }
.mvs-type-card span { color: var(--pr-ink-soft); font-size: 12px; line-height: 1.4; }
.mvs-family { display: flex; flex-direction: column; gap: 8px; }
.mvs-family-label { font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--pr-ink-soft); }

.mvs-notes { min-height: 72px; resize: vertical; }
.mvs-import { min-height: 260px; resize: vertical; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; line-height: 1.45; }
.mvs-search { width: 100%; }
.mvs-report, .mvs-ai-result {
  margin: 10px 0 0; padding: 12px; max-height: 420px; overflow: auto; white-space: pre-wrap;
  border: 1px solid var(--pr-line); border-radius: 8px; background: var(--pr-bg); color: var(--pr-ink);
  font: 12.5px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.mvs-actions, .mvs-strip, .mvs-chip-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.mvs-strip { padding: 10px; border: 1px solid var(--pr-line); border-radius: 8px; background: var(--pr-bg); }
.mvs-chip {
  border: 1px solid var(--pr-line); background: var(--pr-surface); color: var(--pr-ink);
  border-radius: 999px; padding: 3px 10px; font-size: 11px; cursor: pointer;
}
.mvs-chip:hover { border-color: var(--pr-blue); background: var(--pr-hover); }
.mvs-criteria-grid { display: grid; grid-template-columns: repeat(2, minmax(180px, 1fr)); gap: 10px 12px; }
.mvs-metrics { display: grid; grid-template-columns: repeat(2, minmax(120px, 1fr)); gap: 8px; }
.mvs-metric {
  min-height: 64px; padding: 10px; border: 1px solid var(--pr-line); border-radius: 8px; background: var(--pr-surface);
}
.mvs-metric span, .mvs-muted { color: var(--pr-ink-soft); font-size: 12px; }
.mvs-metric strong { display: block; margin-top: 5px; font-size: 19px; line-height: 1.15; }
.mvs-outcome {
  display: inline-flex; align-items: center; gap: 8px; width: fit-content;
  padding: 7px 10px; border: 1px solid var(--pr-line); border-radius: 8px; background: var(--pr-surface);
}
.mvs-outcome.passed { border-color: rgba(15, 157, 118, 0.35); background: rgba(15, 157, 118, 0.08); }
.mvs-outcome.failed { border-color: rgba(214, 40, 40, 0.35); background: rgba(214, 40, 40, 0.08); }
.mvs-outcome.warning { border-color: rgba(214, 146, 34, 0.35); background: rgba(214, 146, 34, 0.1); }
.mvs-kv { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-bottom: 1px solid var(--pr-line); font-size: 12.5px; }
.mvs-kv span { color: var(--pr-ink-soft); }
.mvs-fail-line, .mvs-incoming { padding: 7px 0; border-bottom: 1px solid var(--pr-line); font-size: 12.5px; }
.mvs-subhead { margin: 4px 0; font-size: 12px; font-weight: 700; color: var(--pr-ink-soft); text-transform: uppercase; letter-spacing: 0.04em; }
.mvs-page .st-chart { width: 100%; height: auto; max-height: 360px; }
.mvs-ul { margin: 0; padding-left: 18px; line-height: 1.5; }

.mvs-findings { display: flex; flex-direction: column; gap: 8px; }
.mvs-finding { border: 1px solid var(--pr-line); border-radius: 10px; padding: 10px 12px; background: var(--pr-surface); }
.mvs-finding.error { border-color: rgba(214, 40, 40, 0.35); }
.mvs-finding.warning { border-color: rgba(214, 146, 34, 0.35); }
.mvs-finding-head { display: flex; gap: 8px; align-items: center; }
.mvs-finding-level { font-size: 10px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.mvs-finding-level.error { color: #d62828; }
.mvs-finding-level.warning { color: #b45309; }
.mvs-finding-level.note { color: var(--pr-blue); }
.mvs-finding-detail { margin-top: 6px; color: var(--pr-ink-soft); font-size: 12.5px; line-height: 1.45; }
.mvs-finding-actions { display: flex; gap: 6px; margin-top: 8px; }
.mvs-mod-list { display: flex; flex-direction: column; gap: 8px; }
.mvs-mod { display: flex; justify-content: space-between; gap: 10px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--pr-line); }
.mvs-check-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 8px; }
.mvs-check { padding: 8px; border-radius: 8px; border: 1px solid var(--pr-line); background: var(--pr-bg); display: flex; flex-direction: column; gap: 4px; }
.mvs-check.present { background: rgba(15, 157, 118, 0.08); }
.mvs-check.missing.req { background: rgba(214, 40, 40, 0.06); }
.mvs-check span, .mvs-check em { font-size: 10px; color: var(--pr-ink-soft); text-transform: uppercase; letter-spacing: .04em; }

.mvs-know-list { display: flex; flex-direction: column; gap: 6px; max-height: 480px; overflow: auto; }
.mvs-know-hit {
  display: flex; flex-direction: column; gap: 3px; text-align: left; width: 100%;
  padding: 8px 10px; border: 1px solid var(--pr-line); border-radius: 8px;
  background: var(--pr-surface); color: var(--pr-ink); cursor: pointer;
}
.mvs-know-hit:hover, .mvs-know-hit.active { background: var(--pr-active); border-color: var(--pr-blue); }
.mvs-know-kind { font-size: 10px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--pr-blue); }

.mvs-design-stage { position: relative; width: 100%; height: 100%; }
.mvs-design-stage, .mvs-design-svg { width: 100%; height: 100%; display: block; }
.mvs-design-hud {
  position: absolute; left: 12px; bottom: 12px;
  padding: 5px 10px; border-radius: 999px;
  background: color-mix(in srgb, var(--pr-surface) 88%, transparent);
  border: 1px solid var(--pr-line); color: var(--pr-ink-soft);
  font-size: 11px; pointer-events: none;
}
.mvs-lane-label { font-size: 11px; font-weight: 800; letter-spacing: .08em; fill: #9aa5b5; }
.mvs-node { cursor: grab; }
.mvs-node.is-selected .mvs-node-body { filter: drop-shadow(0 4px 10px rgba(47, 107, 212, 0.18)); }
.mvs-node-kind { font-size: 8.5px; font-weight: 800; letter-spacing: .08em; }
.mvs-node-label { font-size: 12px; font-weight: 650; }
.mvs-node.is-error .mvs-node-body { stroke: #d62828; }
.mvs-node.is-warning .mvs-node-body { stroke: #d69222; }

@media (max-width: 920px) {
  .mvs-grid.two, .mvs-dashboard, .mvs-criteria-grid { grid-template-columns: 1fr; }
}