/* ===== VA-INTERACTIVE — theme-aware, calm & editorial ===== */
#va-interactive {
  margin: 48px 0; display: flex; flex-direction: column; gap: 14px;
  font-family: -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,'Segoe UI Symbol','Apple Symbols','Noto Sans Symbols 2','DejaVu Sans','Arial Unicode MS',sans-serif;
}
#va-interactive * { box-sizing: border-box; }

.vai-head { display: none; }

.vai-card {
  background: transparent;
  border: 1px solid var(--line, #e5e7eb);
  border-radius: 14px; padding: 26px 28px;
}
.vai-title {
  font-family: 'JetBrains Mono', 'Segoe UI Symbol','Apple Symbols','Noto Sans Symbols 2','DejaVu Sans','Arial Unicode MS', monospace; font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--sub, #6b7280);
  margin-bottom: 6px;
}
.vai-title::before { content: none; }
.vai-desc { font-size: 13.5px; line-height: 1.65; color: var(--body, #374151); margin-bottom: 22px; max-width: 62ch; }
.vai-canvas-wrap { position: relative; height: 260px; }
.vai-fallback { color: var(--sub, #6b7280); font-size: 13px; padding: 24px; text-align: center; border: 1px dashed var(--line2, #d1d5db); border-radius: 10px; }

/* references */
.vai-refs { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.vai-refs li { font-size: 13.5px; line-height: 1.55; padding-left: 20px; position: relative; color: var(--body, #374151); }
.vai-refs li::before { content: '\2197'; position: absolute; left: 0; top: 0; color: var(--hi, #111827); font-weight: 700; }
.vai-refs a { color: var(--hi, #111827); text-decoration: none; font-weight: 600; border-bottom: 1.5px solid var(--line2, #d1d5db); transition: border-color .15s ease; }
.vai-refs a:hover { border-color: var(--hi, #111827); }
.vai-ref-note { color: var(--sub, #6b7280); font-weight: 400; }

/* generic */
.vai-btn {
  background: var(--hi, #111827); color: var(--bg2, #fff); border: none; border-radius: 10px;
  padding: 9px 18px; font-size: 13px; font-weight: 600; font-family: inherit; cursor: pointer;
  transition: opacity .15s ease, transform .05s ease;
}
.vai-btn:hover { opacity: .88; }
.vai-btn:active { transform: translateY(1px); }
.vai-btn:disabled { opacity: .35; cursor: not-allowed; }

/* contrast checker */
.vai-cc-row { display: flex; gap: 22px; flex-wrap: wrap; margin-bottom: 16px; }
.vai-cc-row label { font-size: 13px; color: var(--body, #374151); display: flex; align-items: center; gap: 9px; font-weight: 500; }
.vai-cc-row input[type=color] { width: 42px; height: 32px; border: 1px solid var(--line2, #d1d5db); border-radius: 7px; background: none; cursor: pointer; padding: 2px; }
.vai-cc-preview { padding: 22px; border-radius: 12px; font-size: 17px; font-weight: 500; text-align: center; margin-bottom: 14px; border: 1px solid var(--line, #e5e7eb); }
.vai-cc-out { font-size: 13.5px; color: var(--body, #374151); display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.vai-cc-out b { color: var(--hi, #111827); }
.vai-pass { color: #15803d; font-weight: 700; }
.vai-fail { color: #b91c1c; font-weight: 700; }

/* slider sim */
.vai-slider { width: 100%; accent-color: var(--hi, #111827); height: 6px; }
.vai-slider-label { font-size: 12.5px; color: var(--sub, #6b7280); margin: 14px 0 16px; font-family: 'JetBrains Mono', 'Segoe UI Symbol','Apple Symbols','Noto Sans Symbols 2','DejaVu Sans','Arial Unicode MS', monospace; }
.vai-bar-row { display: grid; grid-template-columns: 150px 1fr 48px; align-items: center; gap: 12px; margin-bottom: 11px; font-size: 13px; color: var(--body, #374151); }
.vai-bar-row b { text-align: right; font-variant-numeric: tabular-nums; color: var(--hi, #111827); }
.vai-bar { height: 10px; background: var(--bg3, #f3f4f6); border-radius: 6px; overflow: hidden; }
.vai-bar i { display: block; height: 100%; border-radius: 6px; background: var(--hi, #111827); transition: width .3s cubic-bezier(.2,.8,.2,1); }

/* steps */
.vai-steps { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.vai-step { width: 34px; height: 34px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; background: var(--bg3, #f3f4f6); color: var(--sub, #6b7280); border: 1px solid var(--line, #e5e7eb); cursor: pointer; transition: all .2s ease; font-family: 'JetBrains Mono', 'Segoe UI Symbol','Apple Symbols','Noto Sans Symbols 2','DejaVu Sans','Arial Unicode MS', monospace; }
.vai-step.on { background: var(--bg, #f8f9fb); color: var(--hi, #111827); border-color: var(--line2, #d1d5db); }
.vai-step.cur { background: var(--hi, #111827); color: var(--bg2, #fff); border-color: var(--hi, #111827); transform: scale(1.08); }
.vai-step-detail { background: var(--bg3, #f3f4f6); border-radius: 12px; padding: 18px 20px; min-height: 96px; }
.vai-step-detail b { color: var(--hi, #111827); font-size: 14.5px; }
.vai-step-detail p { color: var(--body, #374151); font-size: 13.5px; line-height: 1.6; margin: 9px 0 0; }
.vai-step-nav { display: flex; align-items: center; justify-content: space-between; margin-top: 16px; }
.vai-step-count { font-size: 12px; color: var(--sub, #6b7280); font-family: 'JetBrains Mono', 'Segoe UI Symbol','Apple Symbols','Noto Sans Symbols 2','DejaVu Sans','Arial Unicode MS', monospace; letter-spacing: .05em; }

/* filter table */
.vai-filter-in, .vai-ta {
  width: 100%; padding: 11px 14px; border-radius: 10px;
  background: var(--bg, #f8f9fb); border: 1px solid var(--line2, #d1d5db);
  color: var(--hi, #111827); font-size: 13.5px; font-family: inherit; outline: none;
}
.vai-filter-in:focus, .vai-ta:focus { border-color: var(--hi, #111827); }
.vai-ta { min-height: 96px; resize: vertical; margin-bottom: 12px; line-height: 1.5; }
.vai-filter-meta { font-size: 11px; color: var(--sub, #6b7280); margin: 10px 0; font-family: 'JetBrains Mono', 'Segoe UI Symbol','Apple Symbols','Noto Sans Symbols 2','DejaVu Sans','Arial Unicode MS', monospace; letter-spacing: .04em; }
.vai-table-wrap { max-height: 300px; overflow: auto; border: 1px solid var(--line, #e5e7eb); border-radius: 10px; }
.vai-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.vai-table th { position: sticky; top: 0; background: var(--bg3, #f3f4f6); color: var(--hi, #111827); text-align: left; padding: 11px 13px; font-weight: 600; border-bottom: 1px solid var(--line2, #d1d5db); font-family: 'JetBrains Mono', 'Segoe UI Symbol','Apple Symbols','Noto Sans Symbols 2','DejaVu Sans','Arial Unicode MS', monospace; font-size: 11px; letter-spacing: .05em; text-transform: uppercase; }
.vai-table td { padding: 10px 13px; color: var(--body, #374151); border-bottom: 1px solid var(--line, #e5e7eb); font-variant-numeric: tabular-nums; }
.vai-table tr:last-child td { border-bottom: none; }
.vai-table tr:hover td { background: var(--bg3, #f3f4f6); }

/* matcher */
.vai-score { font-size: 15px; color: var(--body, #374151); margin: 16px 0 14px; }
.vai-score b { color: var(--hi, #111827); font-size: 26px; font-weight: 700; }
.vai-chips-row { display: flex; flex-wrap: wrap; gap: 8px; }
.vai-chip-tag { font-size: 12.5px; padding: 6px 13px; border-radius: 999px; font-weight: 500; }
.vai-chip-tag.hit { background: rgba(21,128,61,0.1); color: #15803d; border: 1px solid rgba(21,128,61,0.3); }
.vai-chip-tag.miss { background: var(--bg3, #f3f4f6); color: var(--muted, #9ca3af); border: 1px solid var(--line, #e5e7eb); }

/* gesture zones */
.vai-zone-hint { font-size: 13px; color: var(--body, #374151); margin-bottom: 14px; line-height: 1.55; }
.vai-zone-box { position: relative; height: 190px; border: 1px solid var(--line2, #d1d5db); border-radius: 12px; background: var(--bg3, #f3f4f6); cursor: crosshair; overflow: hidden; }
.vai-zone-grid { position: absolute; inset: 0; display: flex; }
.vai-zone-cell { flex: 1; border-right: 1px dashed var(--line2, #d1d5db); display: flex; align-items: flex-end; justify-content: center; padding-bottom: 10px; font-family: 'JetBrains Mono', 'Segoe UI Symbol','Apple Symbols','Noto Sans Symbols 2','DejaVu Sans','Arial Unicode MS', monospace; font-size: 10px; color: var(--muted, #9ca3af); text-transform: uppercase; letter-spacing: .05em; }
.vai-zone-cell:last-child { border-right: none; }
.vai-zone-dot { position: absolute; width: 16px; height: 16px; margin: -8px; border-radius: 50%; background: var(--hi, #111827); box-shadow: 0 0 0 4px color-mix(in srgb, var(--hi, #111827) 18%, transparent); pointer-events: none; transition: left .04s linear, top .04s linear; z-index: 2; }
.vai-zone-label { position: absolute; top: 10px; left: 12px; font-family: 'JetBrains Mono', 'Segoe UI Symbol','Apple Symbols','Noto Sans Symbols 2','DejaVu Sans','Arial Unicode MS', monospace; font-size: 12px; font-weight: 700; color: var(--hi, #111827); pointer-events: none; z-index: 2; }

@media (max-width: 600px) {
  #va-interactive { margin: 40px 0; }
  .vai-card { padding: 18px; }
  .vai-bar-row { grid-template-columns: 104px 1fr 40px; gap: 8px; font-size: 12px; }
  .vai-canvas-wrap { height: 240px; }
}