/* Screen-only skins. Print/PDF styles and warranty status colors stay unchanged. */
html[data-skin="goku"], html[data-skin="vegeta"], html[data-skin="saiyan"] {
  --bg: #f2f4f7;
  --surface-muted: #edf1f7;
  --text: #20252e;
  --muted: #536070;
  --line: #cfd6df;
  --primary: #b94309;
  --primary-strong: #933205;
  --skin-ink: #fff;
  --skin-accent: #1754ad;
  --skin-highlight: #f3bf39;
  --shadow: 0 3px 12px rgba(20, 30, 50, .06);
  --radius: 6px;
}
html[data-skin="vegeta"] {
  --primary: #164da6;
  --primary-strong: #103875;
  --skin-accent: #a56b00;
  --skin-highlight: #f3bf39;
}
html[data-skin="saiyan"] {
  --primary: #f0bc32;
  --primary-strong: #765000;
  --skin-ink: #20252e;
  --skin-accent: #174b9c;
  --skin-highlight: #a74606;
}
.topbar { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 8px 20px; }
.brand { min-width: 0; }
.brand > span:last-child { overflow-wrap: anywhere; }
.brand-mark { flex-shrink: 0; }
.main-nav { grid-column: 1 / -1; grid-row: 2; }
.logout-form { grid-row: 1; grid-column: 3; margin: 0; }
.skin-picker { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; margin: 0; }
.skin-picker select { width: 180px; min-height: 44px; padding: 8px; margin: 0; font-size: 14px; }
.skin-banner { display: none; }
html:not([data-skin="classic"]) .topbar { border-top: 4px solid var(--primary); border-bottom: 2px solid var(--text); }
html:not([data-skin="classic"]) .brand-mark { background: var(--primary); color: var(--skin-ink); border: 2px solid var(--text); border-radius: 6px; }
html:not([data-skin="classic"]) .skin-banner {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  min-height: 80px; margin-bottom: 24px; background: #eceef0;
  border-bottom: 3px solid var(--skin-accent); padding-right: 20px;
}
.skin-banner img { display: block; width: 240px; height: 80px; object-fit: contain; max-width: 55%; }
.skin-wordmark { color: #20252e; font-size: 22px; font-weight: 900; font-style: italic; line-height: 1.1; }
.skin-wordmark b { color: #ae360a; font-size: 30px; }
html:not([data-skin="classic"]) .button-primary,
html:not([data-skin="classic"]) .back-to-top { color: var(--skin-ink); background: var(--primary); border: 2px solid var(--text); }
html:not([data-skin="classic"]) .button-primary:hover { background: var(--primary-strong); color: white; }
html:not([data-skin="classic"]) .stat-card { border-top: 3px solid var(--skin-accent); }
html:not([data-skin="classic"]) .stat-card:nth-child(2n) { border-top-color: var(--skin-highlight); }
html:not([data-skin="classic"]) .main-nav a:hover,
html:not([data-skin="classic"]) .nav-back:hover { background: var(--skin-accent); color: white; }
html:not([data-skin="classic"]) :is(input, select, textarea, button, a):focus-visible { outline: 3px solid #1754ad; outline-offset: 3px; }
.skin-picker select, .main-nav a, .nav-back { min-height: 44px; }
@media (max-width: 860px) {
  .topbar { position: static; grid-template-columns: minmax(0, 1fr) auto; padding: 12px 16px; gap: 12px; }
  .brand { grid-column: 1 / -1; }
  .skin-picker { grid-column: 1; grid-row: 2; flex-wrap: wrap; gap: 4px 8px; min-width: 0; }
  .skin-picker select { max-width: 100%; font-size: 16px; }
  .logout-form { grid-column: 2; grid-row: 2; align-self: end; }
  .logout-form .button { padding: 8px; min-height: 44px; font-size: 13px; }
  .main-nav { grid-row: 3; grid-column: 1 / -1; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; }
  .main-nav a, .nav-back { display: flex; align-items: center; justify-content: center; text-align: center; padding: 8px; overflow-wrap: anywhere; }
  .button-row > form { max-width: 100%; }
  .button-row .button { white-space: normal; }
  html:not([data-skin="classic"]) .skin-banner { gap: 8px; padding-right: 10px; min-height: 66px; margin-bottom: 18px; }
  .skin-banner img { width: 180px; height: 60px; }
  .skin-wordmark { font-size: 16px; max-width: 125px; }
  .skin-wordmark b { font-size: 22px; }
  input:not([type="checkbox"]):not([type="radio"]), textarea, select { font-size: 16px; }
  .back-to-top { bottom: max(12px, env(safe-area-inset-bottom)); }
}