/* Simple Accessibility Toolbar – v1.8 with configurable panel columns */
:root {
  --sat-primary: #96CA00;
  --sat-primary-hover: #7FB400;
  --sat-primary-active: #6AA000;
  --sat-bg: #ffffff;
  --sat-text: #111111;
  --sat-panel-heading-text: #111111;
  --sat-panel-footnote-text: #6b7280;
  --sat-panel-radius: 16px;
  --sat-panel-btn-bg: #f7f7f7;
  --sat-panel-btn-text: #111111;
  --sat-panel-btn-hover-bg: #eeeeee;
  --sat-panel-btn-active-bg: #e6f4ea;

  /* Reset button */
  --sat-reset-btn-bg: #fff5f5;
  --sat-reset-btn-text: #111111;
  --sat-reset-btn-border: #ef9a9a;
  --sat-reset-btn-hover-bg: #ffe0e0;
  --sat-reset-btn-active-bg: #ffc7c7;

  --sat-font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --sat-font-size: 16px;
  --sat-z: 2147483000;
  --sat-offset-y: 8vh;
  --sat-panel-grid-cols: 3; /* NEW */

  /* High contrast palette */
  --sat-hc-bg: #000000;
  --sat-hc-text: #ffffff;
  --sat-hc-accent: #ffff00;
}

html { font-size: calc((var(--sat-font-size)) * var(--sat-font-scale, 1)); }

.sat-toolbar {
  position: fixed; bottom: var(--sat-offset-y); z-index: var(--sat-z);
  font-family: var(--sat-font-family);
}

.sat-toggle-img, .sat-toggle-svg { width: 18px; height: 18px; display: inline-block; vertical-align: middle; }

.sat-skip-link { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.sat-skip-link:focus { position: static; width: auto; height: auto; background: #fff; color: #000; padding: 8px 12px; border: 2px solid #000; border-radius: 10px; }

.sat-toggle {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 14px; border-radius: 999px; border: 0;
  background: var(--sat-primary); color: #fff; cursor: pointer;
  box-shadow: 0 6px 20px rgba(0,0,0,.18);
  transition: background .15s ease, transform .06s, box-shadow .2s;
}
.sat-toggle:hover { background: var(--sat-primary-hover); box-shadow: 0 8px 26px rgba(0,0,0,.22); }
.sat-toggle:active, .sat-toggle[aria-expanded="true"] { background: var(--sat-primary-active); transform: translateY(1px); }
.sat-toggle:focus-visible { outline: 3px solid #000; outline-offset: 2px; }

.sat-panel {
  position: fixed; bottom: calc(var(--sat-offset-y) + 56px);
  width: min(420px, calc(100vw - 32px));
  background: var(--sat-bg); color: var(--sat-text);
  border-radius: var(--sat-panel-radius);
  box-shadow: 0 18px 48px rgba(0,0,0,.26);
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--sat-text) 10%, transparent);
}
.sat-panel-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.sat-panel-title { color: var(--sat-panel-heading-text); }
.sat-close { background: transparent; border: none; font-size: 22px; line-height: 1; cursor: pointer; }

.sat-controls { display: grid; gap: 12px; }
.sat-row { display: grid; grid-template-columns: repeat(var(--sat-panel-grid-cols), minmax(0, 1fr)); gap: 10px; }

.sat-btn, .sat-toggle-btn, .sat-danger {
  display: inline-flex; align-items: center; gap: 8px;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--sat-text) 10%, transparent);
  background: var(--sat-panel-btn-bg);
  color: var(--sat-panel-btn-text);
  padding: 11px 12px;
  cursor: pointer;
  transition: background .12s ease, box-shadow .2s, color .12s ease, border-color .2s;
  box-shadow: 0 1px 2px rgba(0,0,0,.06);
}
.sat-btn:hover, .sat-toggle-btn:hover { background: var(--sat-panel-btn-hover-bg); }
.sat-btn:active, .sat-toggle-btn:active, .sat-toggle-btn[aria-pressed="true"] { background: var(--sat-panel-btn-active-bg); }
.sat-btn:focus-visible, .sat-toggle-btn:focus-visible, .sat-danger:focus-visible { outline: 3px solid #000; outline-offset: 2px; }

/* Icon visuals */
.sat-btn-ico { font-size: 1.1em; line-height: 1; display: inline-block; }
.sat-btn-img { width: 18px; height: 18px; display: inline-block; object-fit: contain; }

/* Dedicated reset button spans 2 columns (if grid allows) */
.sat-danger {
  background: var(--sat-reset-btn-bg);
  color: var(--sat-reset-btn-text);
  border-color: var(--sat-reset-btn-border);
  grid-column: span 2;
}
.sat-danger:hover { background: var(--sat-reset-btn-hover-bg); }
.sat-danger:active { background: var(--sat-reset-btn-active-bg); }

.sat-footnote { font-size: 12px; opacity: .9; margin-top: 4px; color: var(--sat-panel-footnote-text); }

/* ===== High-contrast mode ===== */
html.sat-high-contrast, html.sat-high-contrast body { background: var(--sat-hc-bg) !important; color: var(--sat-hc-text) !important; }
html.sat-high-contrast .sat-panel {
  background: var(--sat-hc-bg) !important; color: var(--sat-hc-text) !important;
  border-color: var(--sat-hc-text) !important; box-shadow: none !important;
}
html.sat-high-contrast .sat-toggle {
  background: var(--sat-hc-bg) !important; color: var(--sat-hc-text) !important;
  border: 2px solid var(--sat-hc-accent) !important; box-shadow: none !important;
}
html.sat-high-contrast .sat-toggle:hover,
html.sat-high-contrast .sat-toggle[aria-expanded="true"] {
  background: var(--sat-hc-accent) !important; color: var(--sat-hc-bg) !important;
}
html.sat-high-contrast a, html.sat-high-contrast a:visited {
  color: var(--sat-hc-accent) !important; text-decoration: underline;
}
html.sat-high-contrast .sat-btn,
html.sat-high-contrast .sat-toggle-btn,
html.sat-high-contrast .sat-danger {
  background: var(--sat-hc-bg) !important; color: var(--sat-hc-text) !important;
  border: 2px solid var(--sat-hc-accent) !important; box-shadow: none !important;
}
html.sat-high-contrast .sat-btn:hover,
html.sat-high-contrast .sat-toggle-btn:hover,
html.sat-high-contrast .sat-danger:hover {
  background: var(--sat-hc-accent) !important; color: var(--sat-hc-bg) !important;
}
html.sat-high-contrast .sat-toggle-btn[aria-pressed="true"] {
  background: var(--sat-hc-accent) !important; color: var(--sat-hc-bg) !important;
}

/* Dark scheme baseline */
@media (prefers-color-scheme: dark) {
  .sat-panel { background: #1b1b1c; color: #f1f1f1; border-color: rgba(255,255,255,.08); }
}