:root {
  --bg:      #05070a;
  --pane:    #090c11;
  --line:    #1a212a;
  --fg:      #b7c1bd;
  --dim:     #5c6a68;
  --amber:   #ffb454;
  --cyan:    #6fb3c0;
  --red:     #ff6b5e;
  --green:   #86c17c;
  --surface:       #0d1218;
  --surface-alt:   #10161d;
  --surface-hover: #0f151c;
  --muted:         #465250;
  --gold:          #f5c542;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  color-scheme: dark;
}

/* light: same layout, daylight-readable palette */
:root[data-theme="light"] {
  --bg:      #f3f4f0;
  --pane:    #ffffff;
  --line:    #d3d6cf;
  --fg:      #1c211f;
  --dim:     #5c655f;
  --amber:   #a35b12;
  --cyan:    #0d6e7a;
  --red:     #b8261a;
  --green:   #1f7a34;
  --surface:       #eceee7;
  --surface-alt:   #e6e9e0;
  --surface-hover: #e3e6dc;
  --muted:         #8a938c;
  --gold:          #9a6f00;
  color-scheme: light;
}

/* high contrast: pure black/white, no gradients or texture, thick lines */
:root[data-theme="high-contrast"] {
  --bg:      #000000;
  --pane:    #000000;
  --line:    #ffffff;
  --fg:      #ffffff;
  --dim:     #e6e6e6;
  --amber:   #ffe100;
  --cyan:    #4df0ff;
  --red:     #ff5c5c;
  --green:   #5cff5c;
  --surface:       #1a1a1a;
  --surface-alt:   #1a1a1a;
  --surface-hover: #2b2b2b;
  --muted:         #cccccc;
  --gold:          #ffd700;
  color-scheme: dark;
}
:root[data-theme="high-contrast"] .banner__grad {
  background-image: none;
  color: var(--amber);
  -webkit-text-fill-color: var(--amber);
  filter: none;
}
:root[data-theme="high-contrast"] .caret { background: var(--amber); }
:root[data-theme="light"] body::after,
:root[data-theme="high-contrast"] body::after {
  display: none;
}
:root[data-theme="high-contrast"] .pane,
:root[data-theme="high-contrast"] .panes,
:root[data-theme="high-contrast"] .prompt,
:root[data-theme="high-contrast"] .statusbar,
:root[data-theme="high-contrast"] .pane__bar,
:root[data-theme="high-contrast"] .mcp-dialog__bar,
:root[data-theme="high-contrast"] input,
:root[data-theme="high-contrast"] .flag input,
:root[data-theme="high-contrast"] .barbtn,
:root[data-theme="high-contrast"] .run:focus-visible,
:root[data-theme="high-contrast"] .grp:focus-visible {
  border-width: 2px;
}