/**
 * A7.7 lab chrome styles — outside #sanctum-canvas-root.
 * No inline styles (CSP style-src 'self').
 */

.a7-lab-body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr) minmax(240px, 320px);
  grid-template-rows: auto;
  gap: 0;
  background: var(--canvas-surface-page, #f6f7f9);
  color: var(--canvas-text, #1a1a1a);
  font-family: var(--canvas-font-sans, system-ui, sans-serif);
}

/* WCAG 2.4.1 — skip past dense lab chrome */
.a7-lab-skip {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  z-index: 1000;
  padding: 0.45rem 0.75rem;
  border-radius: 6px;
  background: var(--canvas-accent, #3b6ced);
  color: #fff;
  font-size: 0.85rem;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 0.12s ease;
}

.a7-lab-skip:focus,
.a7-lab-skip:focus-visible {
  transform: translateY(0);
  outline: 3px solid var(--canvas-focus-ring, #1a4fd8);
  outline-offset: 2px;
}

/* WCAG 2.4.7 — lab chrome is outside .canvas-root, so a11y.css does not cover it */
.a7-lab-chrome :focus,
.a7-lab-debug :focus {
  outline: none;
}

.a7-lab-chrome :focus-visible,
.a7-lab-debug :focus-visible {
  outline: 2px solid var(--canvas-focus-ring, #3b6ced);
  outline-offset: 2px;
}

.a7-lab-chrome,
.a7-lab-debug {
  padding: 1rem 1.1rem;
  overflow: auto;
  max-height: 100vh;
  box-sizing: border-box;
  background: var(--canvas-surface-raised, #fff);
  border-right: 1px solid var(--canvas-border, #d8dde6);
}

.a7-lab-debug {
  border-right: none;
  border-left: 1px solid var(--canvas-border, #d8dde6);
}

.a7-lab-chrome__brand h1 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
  font-weight: 650;
}

.a7-lab-lede {
  margin: 0 0 1rem;
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--canvas-text-muted, #5a6270);
}

.a7-lab-panel {
  margin-bottom: 1.1rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--canvas-border, #e3e7ee);
}

.a7-lab-panel h2 {
  margin: 0 0 0.55rem;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--canvas-text-muted, #5a6270);
}

.a7-lab-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 0.55rem;
  font-size: 0.82rem;
}

.a7-lab-field--inline {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.a7-lab-field select,
.a7-lab-field textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--canvas-border, #c9d0db);
  border-radius: 6px;
  padding: 0.4rem 0.5rem;
  font: inherit;
  background: var(--canvas-surface-page, #f6f7f9);
  color: inherit;
}

.a7-lab-field--inline select {
  width: auto;
  min-width: 8rem;
}

.a7-lab-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.55rem;
}

.a7-lab-btn {
  appearance: none;
  border: 1px solid var(--canvas-border, #c9d0db);
  background: var(--canvas-surface-raised, #fff);
  color: inherit;
  border-radius: 6px;
  padding: 0.35rem 0.65rem;
  font: inherit;
  font-size: 0.82rem;
  cursor: pointer;
}

.a7-lab-btn:hover:not(:disabled) {
  border-color: var(--canvas-accent, #3b6ced);
}

.a7-lab-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.a7-lab-btn--primary {
  background: var(--canvas-accent, #3b6ced);
  border-color: var(--canvas-accent, #3b6ced);
  color: #fff;
}

.a7-lab-btn--danger {
  border-color: #c44;
  color: #a22;
}

.a7-lab-btn--muted {
  color: var(--canvas-text-muted, #5a6270);
}

.a7-lab-status {
  margin: 0.4rem 0 0;
  font-size: 0.8rem;
  color: var(--canvas-text-muted, #5a6270);
}

.a7-lab-status[data-lab-ready="1"] {
  color: #1a7a3a;
}

.a7-lab-status[data-lab-error="1"] {
  color: #a22;
}

.sanctum-canvas-root {
  min-height: 100vh;
  padding: 1.25rem;
  box-sizing: border-box;
  overflow: auto;
  background: var(--canvas-surface-page, #f6f7f9);
}

.a7-lab-pre {
  margin: 0.35rem 0 0;
  padding: 0.5rem;
  max-height: 14rem;
  overflow: auto;
  font-size: 0.72rem;
  line-height: 1.35;
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--canvas-surface-page, #f0f2f5);
  border: 1px solid var(--canvas-border, #e3e7ee);
  border-radius: 6px;
}

.a7-lab-debug details {
  margin-bottom: 0.65rem;
}

.a7-lab-debug summary {
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
}

@media (max-width: 960px) {
  .a7-lab-body {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }

  .a7-lab-chrome,
  .a7-lab-debug {
    max-height: none;
    border-right: none;
    border-left: none;
    border-bottom: 1px solid var(--canvas-border, #d8dde6);
  }

  .sanctum-canvas-root {
    min-height: 50vh;
  }
}