:root {
  --vwb-bg: #f1f4ee;
  --vwb-ink: #14211f;
  --vwb-muted: #5c6a66;
  --vwb-panel: rgba(255, 255, 252, 0.94);
  --vwb-panel-strong: #fffef8;
  --vwb-line: rgba(20, 33, 31, 0.14);
  --vwb-brand: #0c766d;
  --vwb-brand-strong: #075b55;
  --vwb-accent: #f18f45;
  --vwb-good: #0a7a58;
  --vwb-warn: #a35e0b;
  --vwb-bad: #b3352d;
  --vwb-shadow: 0 18px 55px rgba(26, 43, 38, 0.1);
  --vwb-radius: 22px;
  color-scheme: light;
}

[data-theme="dark"] {
  --vwb-bg: #0d1514;
  --vwb-ink: #eef7f3;
  --vwb-muted: #a9bbb5;
  --vwb-panel: rgba(20, 31, 29, 0.95);
  --vwb-panel-strong: #172321;
  --vwb-line: rgba(231, 244, 239, 0.14);
  --vwb-brand: #5ad2c4;
  --vwb-brand-strong: #9be9df;
  --vwb-accent: #ffac6c;
  --vwb-good: #75ddaf;
  --vwb-warn: #ffd078;
  --vwb-bad: #ff978e;
  --vwb-shadow: 0 22px 65px rgba(0, 0, 0, 0.34);
  color-scheme: dark;
}

html {
  background: var(--vwb-bg);
  scroll-behavior: smooth;
}

body.vwb-page {
  margin: 0;
  min-width: 0;
  min-height: 100vh;
  overflow-x: clip;
  background:
    radial-gradient(circle at 8% 0%, color-mix(in srgb, var(--vwb-brand) 13%, transparent), transparent 33rem),
    radial-gradient(circle at 96% 14%, color-mix(in srgb, var(--vwb-accent) 12%, transparent), transparent 29rem),
    var(--vwb-bg);
  color: var(--vwb-ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body.vwb-page [hidden] { display: none !important; }

.vwb-skip {
  position: fixed;
  inset: 8px auto auto -9999px;
  z-index: 999;
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--vwb-panel-strong);
  color: var(--vwb-ink);
}

.vwb-skip:focus { left: 8px; }

.vwb-sitebar,
.vwb-shell,
.vwb-footer {
  width: min(1440px, calc(100% - 32px));
  margin-inline: auto;
}

.vwb-sitebar {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.vwb-brand {
  color: var(--vwb-ink);
  font-weight: 950;
  letter-spacing: -0.035em;
  text-decoration: none;
}

.vwb-site-actions,
.vwb-actions,
.vwb-toolbar,
.vwb-pills {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.vwb-shell {
  display: grid;
  gap: 14px;
  padding-bottom: 52px;
}

.vwb-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 18px;
  padding: 12px 4px 2px;
}

.vwb-kicker {
  margin: 0 0 8px;
  color: var(--vwb-brand-strong);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.vwb-hero h1 {
  max-width: 16ch;
  margin: 0;
  font-size: clamp(2rem, 5vw, 5.25rem);
  line-height: 0.94;
  letter-spacing: -0.06em;
}

.vwb-hero p:not(.vwb-kicker) {
  max-width: 66ch;
  margin: 14px 0 0;
  color: var(--vwb-muted);
  font-size: clamp(1rem, 1.7vw, 1.18rem);
  line-height: 1.55;
}

.vwb-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(290px, 355px);
  gap: 14px;
  align-items: start;
}

.vwb-stage-card,
.vwb-panel,
.vwb-result {
  min-width: 0;
  border: 1px solid var(--vwb-line);
  border-radius: var(--vwb-radius);
  background: var(--vwb-panel);
  box-shadow: var(--vwb-shadow);
  backdrop-filter: blur(18px);
}

.vwb-stage-card {
  position: relative;
  overflow: hidden;
}

.vwb-stage-head {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--vwb-line);
}

.vwb-stage {
  position: relative;
  width: 100%;
  height: clamp(410px, 61vh, 650px);
  min-height: 410px;
  overflow: hidden;
  isolation: isolate;
  background:
    linear-gradient(color-mix(in srgb, var(--vwb-line) 48%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--vwb-line) 48%, transparent) 1px, transparent 1px),
    color-mix(in srgb, var(--vwb-panel-strong) 92%, var(--vwb-brand) 8%);
  background-size: 24px 24px;
  touch-action: none;
  user-select: none;
}

.vwb-stage canvas,
.vwb-stage svg {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
}

.vwb-stage:focus-visible {
  outline: 4px solid color-mix(in srgb, var(--vwb-brand) 42%, transparent);
  outline-offset: -4px;
}

.vwb-hud {
  position: absolute;
  z-index: 3;
  inset: 12px auto auto 12px;
  max-width: min(82%, 410px);
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  pointer-events: none;
}

.vwb-chip,
.vwb-badge {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--vwb-line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--vwb-panel-strong) 92%, transparent);
  color: var(--vwb-ink);
  font-size: 0.78rem;
  font-weight: 850;
  box-shadow: 0 6px 18px rgba(20, 33, 31, 0.08);
}

.vwb-chip[data-tone="good"] { color: var(--vwb-good); }
.vwb-chip[data-tone="warn"] { color: var(--vwb-warn); }
.vwb-chip[data-tone="bad"] { color: var(--vwb-bad); }

.vwb-stage-foot {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-top: 1px solid var(--vwb-line);
}

.vwb-stage-foot input[type="range"] {
  width: 100%;
  min-height: 48px;
  accent-color: var(--vwb-brand);
}

.vwb-inspector {
  display: grid;
  gap: 10px;
  position: sticky;
  top: 12px;
}

.vwb-panel,
.vwb-result { padding: 16px; }

.vwb-panel h2,
.vwb-panel h3,
.vwb-result h2,
.vwb-result h3 { margin: 0 0 10px; }

.vwb-field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.vwb-field { min-width: 0; }

.vwb-field > label,
.vwb-field > span:first-child {
  display: block;
  margin: 0 0 6px;
  color: var(--vwb-muted);
  font-size: 0.79rem;
  font-weight: 850;
}

.vwb-page input,
.vwb-page select,
.vwb-page textarea,
.vwb-page button,
.vwb-button {
  font: inherit;
}

.vwb-page input:not([type="range"]):not([type="checkbox"]):not([type="radio"]),
.vwb-page select,
.vwb-page textarea {
  width: 100%;
  min-height: 48px;
  box-sizing: border-box;
  border: 1px solid var(--vwb-line);
  border-radius: 13px;
  background: var(--vwb-panel-strong);
  color: var(--vwb-ink);
  padding: 10px 12px;
}

.vwb-page textarea { min-height: 104px; resize: vertical; }

.vwb-page :is(input, select, textarea, button, a):focus-visible {
  outline: 3px solid color-mix(in srgb, var(--vwb-brand) 38%, transparent);
  outline-offset: 2px;
}

.vwb-button,
.vwb-page button.vwb-button,
.vwb-link-button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-sizing: border-box;
  border: 1px solid var(--vwb-line);
  border-radius: 13px;
  background: var(--vwb-panel-strong);
  color: var(--vwb-ink);
  padding: 10px 14px;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
}

.vwb-button[data-primary="true"] {
  border-color: var(--vwb-brand-strong);
  background: var(--vwb-brand-strong);
  color: #fff;
}

[data-theme="dark"] .vwb-button[data-primary="true"] { color: #09221f; }

.vwb-button[data-accent="true"] {
  border-color: color-mix(in srgb, var(--vwb-accent) 80%, #000 10%);
  background: var(--vwb-accent);
  color: #271308;
}

.vwb-button:disabled,
.vwb-button[aria-disabled="true"] {
  opacity: 0.44;
  cursor: not-allowed;
}

.vwb-primary-action { width: 100%; }

.vwb-details {
  border-top: 1px solid var(--vwb-line);
  padding-top: 12px;
}

.vwb-details > summary {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-weight: 900;
  cursor: pointer;
  list-style: none;
}

.vwb-details > summary::-webkit-details-marker { display: none; }
.vwb-details > summary::after { content: "+"; font-size: 1.25rem; }
.vwb-details[open] > summary::after { content: "−"; }

.vwb-status {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--vwb-line);
  border-radius: 15px;
  background: color-mix(in srgb, var(--vwb-panel-strong) 86%, var(--vwb-brand) 6%);
}

.vwb-status-dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--vwb-muted);
  box-shadow: 0 0 0 5px color-mix(in srgb, currentColor 12%, transparent);
}

.vwb-status[data-status="pass"] .vwb-status-dot { background: var(--vwb-good); }
.vwb-status[data-status="block"] .vwb-status-dot { background: var(--vwb-bad); }
.vwb-status[data-status="indeterminate"] .vwb-status-dot { background: var(--vwb-warn); }

.vwb-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.vwb-stat {
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--vwb-line);
  border-radius: 14px;
  background: var(--vwb-panel-strong);
}

.vwb-stat span { display: block; color: var(--vwb-muted); font-size: 0.72rem; font-weight: 800; }
.vwb-stat strong { display: block; margin-top: 4px; font-size: 1.08rem; overflow-wrap: anywhere; }

.vwb-result[hidden] { display: none; }
.vwb-result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(245px, 1fr)); gap: 10px; }

.vwb-artifact {
  min-width: 0;
  padding: 13px;
  border: 1px solid var(--vwb-line);
  border-radius: 15px;
  background: var(--vwb-panel-strong);
}

.vwb-artifact code,
.vwb-artifact pre {
  max-width: 100%;
  overflow: auto;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.vwb-note {
  color: var(--vwb-muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

.vwb-toast-region {
  position: fixed;
  z-index: 1000;
  inset: auto 16px 16px auto;
  display: grid;
  gap: 8px;
  max-width: min(390px, calc(100vw - 32px));
  pointer-events: none;
}

.vwb-toast {
  padding: 12px 14px;
  border: 1px solid var(--vwb-line);
  border-radius: 14px;
  background: var(--vwb-panel-strong);
  color: var(--vwb-ink);
  box-shadow: var(--vwb-shadow);
}

@media (max-width: 860px) {
  .vwb-sitebar,
  .vwb-shell,
  .vwb-footer { width: min(100% - 20px, 760px); }
  .vwb-hero { grid-template-columns: minmax(0, 1fr); align-items: start; }
  .vwb-hero h1 { max-width: 13ch; font-size: clamp(2.2rem, 13vw, 4.6rem); }
  .vwb-workspace { grid-template-columns: minmax(0, 1fr); }
  .vwb-inspector { position: static; }
  .vwb-stage { height: clamp(390px, 57vh, 560px); min-height: 390px; }
  .vwb-stage-card { order: -1; }
}

@media (max-width: 480px) {
  .vwb-sitebar { align-items: flex-start; padding-block: 8px; }
  .vwb-site-actions { justify-content: flex-end; }
  .vwb-site-actions .vwb-button { padding-inline: 11px; }
  .vwb-hero { padding-top: 4px; }
  .vwb-hero h1 { font-size: clamp(2.1rem, 14.5vw, 3.75rem); }
  .vwb-stage-head { align-items: flex-start; flex-direction: column; }
  .vwb-stage { height: 410px; min-height: 410px; }
  .vwb-stage-foot { grid-template-columns: minmax(0, 1fr); }
  .vwb-field-grid { grid-template-columns: minmax(0, 1fr); }
  .vwb-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .vwb-actions > * { flex: 1 1 140px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}

@media print {
  .vwb-sitebar,
  .vwb-inspector,
  .vwb-toolbar,
  .vwb-actions { display: none !important; }
  .vwb-shell { width: 100%; }
  .vwb-workspace { display: block; }
  .vwb-stage-card,
  .vwb-result { box-shadow: none; break-inside: avoid; }
}