:root {
  --vh-bg: #f4f7f3;
  --vh-card: #ffffff;
  --vh-ink: #1d2a21;
  --vh-muted: #4d5f53;
  --vh-accent: #2f6b45;
  --vh-accent-ink: #ffffff;
  --vh-line: #d8e3da;
  --vh-warn-bg: #fff6e6;
  --vh-warn-line: #e2b964;
  --vh-dot: #c4342b;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  padding: 0 14px 32px;
  background: var(--vh-bg);
  color: var(--vh-ink);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

.skip-link {
  position: absolute;
  left: -9999px;
}
.skip-link:focus {
  left: 12px;
  top: 12px;
  z-index: 5;
  background: var(--vh-card);
  padding: 10px 14px;
  border-radius: 10px;
}

.vh-header, main, .vh-footer { max-width: 760px; margin: 0 auto; }

.vh-header { padding: 18px 0 6px; }
.vh-logo { display: inline-flex; align-items: center; min-height: 44px; }
.vh-logo img { display: block; max-width: 100%; height: auto; }

.vh-kicker {
  margin: 12px 0 2px;
  font-size: 13px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--vh-muted);
}

h1 { margin: 0 0 12px; font-size: 24px; line-height: 1.25; }
h2 { margin: 0 0 8px; font-size: 19px; }

.vh-nav { display: flex; flex-wrap: wrap; gap: 8px; }
.vh-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--vh-line);
  border-radius: 12px;
  background: var(--vh-card);
  color: var(--vh-accent);
  text-decoration: none;
  font-weight: 600;
}
.vh-nav a:hover { border-color: var(--vh-accent); }

.vh-card {
  background: var(--vh-card);
  border: 1px solid var(--vh-line);
  border-radius: 16px;
  padding: 16px;
  margin: 14px 0;
}

.vh-warning {
  background: var(--vh-warn-bg);
  border-color: var(--vh-warn-line);
}
.vh-warning ul { margin: 8px 0 0; padding-left: 20px; }
.vh-warning li { margin-bottom: 6px; }

.vh-lead { margin: 0 0 12px; color: var(--vh-muted); }

.vh-script {
  margin: 0 0 14px;
  padding: 12px 14px;
  border-left: 4px solid var(--vh-accent);
  background: #f0f5f1;
  border-radius: 0 12px 12px 0;
}
.vh-script p { margin: 0 0 8px; }
.vh-script p:last-child { margin-bottom: 0; }

.vh-controls { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 4px; }

.vh-btn {
  flex: 1 1 calc(50% - 8px);
  min-height: 44px;
  min-width: 44px;
  padding: 10px 14px;
  border: 1px solid var(--vh-line);
  border-radius: 12px;
  background: #f7faf7;
  color: var(--vh-ink);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.vh-btn:hover:not([disabled]) { border-color: var(--vh-accent); }
.vh-btn-main { background: var(--vh-accent); color: var(--vh-accent-ink); border-color: var(--vh-accent); }
.vh-btn[disabled] { opacity: .5; cursor: not-allowed; }

.vh-btn:focus-visible,
.vh-nav a:focus-visible,
.vh-stage-btn:focus-visible,
.vh-scene:focus-visible {
  outline: 3px solid #1d2a21;
  outline-offset: 2px;
}

.vh-status {
  margin: 8px 0 0;
  min-height: 1.55em;
  font-size: 15px;
  color: var(--vh-accent);
  font-weight: 600;
}

.vh-note { margin: 10px 0 0; font-size: 14px; color: var(--vh-muted); }

.vh-scenes { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.vh-scene {
  min-width: 44px;
  min-height: 44px;
  padding: 0 10px;
  border: 1px solid var(--vh-line);
  border-radius: 12px;
  background: #f7faf7;
  color: var(--vh-ink);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.vh-scene[aria-pressed="true"] {
  background: var(--vh-accent);
  color: var(--vh-accent-ink);
  border-color: var(--vh-accent);
}

.vh-stage { margin-top: 4px; }
.vh-stage-btn {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 1px solid var(--vh-line);
  border-radius: 12px;
  background: #eaf0e8;
  overflow: hidden;
  cursor: crosshair;
}
.vh-stage-btn img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 60vh;
  object-fit: contain;
}

.vh-dot {
  position: absolute;
  width: 26px;
  height: 26px;
  margin: -13px 0 0 -13px;
  border: 3px solid #fff;
  border-radius: 50%;
  background: var(--vh-dot);
  box-shadow: 0 0 0 2px var(--vh-dot);
  animation: vh-pulse 1.4s ease-in-out infinite;
  pointer-events: none;
}

@keyframes vh-pulse {
  50% { transform: scale(1.15); }
}

.vh-caption { margin: 8px 0 0; font-size: 14px; color: var(--vh-muted); }

.vh-footer { padding: 18px 0 8px; font-size: 14px; color: var(--vh-muted); }
.vh-footer p { margin: 0 0 10px; }

@media (min-width: 560px) {
  h1 { font-size: 28px; }
  .vh-card { padding: 20px; }
  .vh-btn { flex: 0 1 auto; }
}

@media (prefers-reduced-motion: reduce) {
  .vh-dot { animation: none; }
  * { transition: none !important; }
}