/* Standalone stylesheet for /car-kit/ - same isolation
   discipline as /test-tube-rack/style.css (own file, not
   shared/imported), same token values chosen to match the main site by
   eye. Accent hue matches the Model Kits department's own umber
   accent on the hub page (see /style.css's #modelkits), since that is
   the department this product's own tile lives in. */

:root {
  --color-bg: #f7f7f5;
  --color-surface: #ffffff;
  --color-border: #cfcfcb;
  --color-text-primary: #0a0a0a;
  --color-text-secondary: #555555;
  --color-text-tertiary: #737373;
  --color-accent: #8A5A3B;
  --color-success: #1f9d55;
  --color-error: #c9432f;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #17181a;
    --color-surface: #1e2022;
    --color-border: #35383b;
    --color-text-primary: #ece9e4;
    --color-text-secondary: #a6a49f;
    --color-text-tertiary: #79776f;
    --color-accent: #C08A62;
    --color-success: #4bcf8a;
    --color-error: #e2776a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  line-height: 1.55;
}

.masthead {
  max-width: 560px;
  margin: 0 auto;
  padding: 40px 24px 28px;
}

.wordmark {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-secondary);
  text-decoration: none;
  margin-bottom: 24px;
}

.kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
  margin: 0 0 10px;
}

.masthead h1 {
  font-size: clamp(1.7rem, 4.5vw, 2.3rem);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.dek {
  color: var(--color-text-secondary);
  font-size: 1rem;
  margin: 0;
}

main {
  max-width: 560px;
  margin: 0 auto;
  padding: 0 24px 40px;
}

.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 22px 24px;
  margin-bottom: 20px;
}

.field-row {
  margin-bottom: 18px;
}

.field-row[hidden] { display: none; }

.field-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

select,
input[type="text"],
input[type="email"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: 15px;
}

.engraved-note {
  font-size: 12.5px;
  color: var(--color-text-tertiary);
  margin: 6px 0 0;
}

.engraved-note:empty { display: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

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

.btn-primary {
  background: var(--color-text-primary);
  color: var(--color-bg);
}

.btn-block { width: 100%; }

.feedback-text {
  min-height: 16px;
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--color-text-secondary);
}

.feedback-text.error { color: var(--color-error); }
.feedback-text.success { color: var(--color-success); }
.feedback-text[hidden] { display: none; }

.result-summary {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--color-text-secondary);
  margin: 0 0 6px;
}

.model-viewer-el {
  width: 100%;
  height: 300px;
  --poster-color: transparent;
  display: block;
  margin-bottom: 4px;
  border-radius: 8px;
  background: var(--color-bg);
}

.viewer-hint {
  font-size: 12.5px;
  color: var(--color-text-tertiary);
  margin: 6px 0 0;
}

.info-panel p {
  font-size: 13.5px;
  color: var(--color-text-secondary);
  margin: 0;
}

.info-panel p + p {
  margin-top: 12px;
}

.site-foot {
  max-width: 560px;
  margin: 0 auto;
  padding: 24px 24px 56px;
  border-top: 1px solid var(--color-border);
  font-size: 12.5px;
  color: var(--color-text-tertiary);
}

.site-foot a { color: var(--color-text-secondary); }

/* Checkout panel heading (same as chess/style.css). */
.panel-title {
  font-size: 1.05rem;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.panel-subtitle {
  color: var(--color-text-secondary);
  font-size: 13.5px;
  margin: 0 0 18px;
}