:root {
  color-scheme: light;
  --cp-bg: #f7f4ef;
  --cp-bg-elevated: #fcfbf8;
  --cp-surface: #ffffff;
  --cp-surface-soft: #f5f5f5;
  --cp-border: #dedede;
  --cp-border-strong: #919191;
  --cp-text: #242424;
  --cp-text-muted: #5c5c5c;
  --cp-text-soft: #6f6f6f;
  --cp-accent: #b11f4b;
  --cp-accent-hover: #9a1a41;
  --cp-accent-soft: rgba(177, 31, 75, 0.08);
  --cp-accent-fg: #ffffff;
  --cp-success: #16a34a;
  --cp-danger: #dc2626;
  --cp-warning: #f59e0b;
  --cp-link: #0078d4;
  --cp-shadow: 0 18px 48px rgba(0, 0, 0, 0.12);
  --cp-overlay: rgba(255, 255, 255, 0.8);
  --cp-panel: rgba(255, 255, 255, 0.86);
  --cp-panel-strong: rgba(255, 255, 255, 0.96);
  --cp-sheen: rgba(255, 255, 255, 0.55);
  --cp-highlight: rgba(177, 31, 75, 0.12);
}
html[data-theme="dark"] {
  color-scheme: dark;
  --cp-bg: #3d3b3a;
  --cp-bg-elevated: #343231;
  --cp-surface: #292929;
  --cp-surface-soft: #2e2e2e;
  --cp-border: #474747;
  --cp-border-strong: #5f5f5f;
  --cp-text: #dedede;
  --cp-text-muted: #919191;
  --cp-text-soft: #b0b0b0;
  --cp-accent: #fd8ea1;
  --cp-accent-hover: #fb7b91;
  --cp-accent-soft: rgba(253, 142, 161, 0.14);
  --cp-accent-fg: #1a1a1a;
  --cp-success: #4ade80;
  --cp-danger: #f87171;
  --cp-warning: #fbbf24;
  --cp-link: #4da6ff;
  --cp-shadow: 0 18px 48px rgba(0, 0, 0, 0.32);
  --cp-overlay: rgba(41, 41, 41, 0.88);
  --cp-panel: rgba(41, 41, 41, 0.72);
  --cp-panel-strong: rgba(41, 41, 41, 0.96);
  --cp-sheen: rgba(255, 255, 255, 0.04);
  --cp-highlight: rgba(253, 142, 161, 0.12);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--cp-bg); color: var(--cp-text); font: 14px/1.5 "Segoe UI", Aptos, Calibri, -apple-system, BlinkMacSystemFont, sans-serif; }
header { padding: 20px 24px; background: var(--cp-bg-elevated); border-bottom: 1px solid var(--cp-border); }
main, footer { padding: 20px 24px; }
footer { color: var(--cp-text-muted); font-size: 12px; border-top: 1px solid var(--cp-border); }
h1 { margin: 0; font-size: 24px; font-weight: 650; }
h2 { font-size: 18px; margin: 0 0 12px; }
h3 { font-size: 15px; margin: 0 0 8px; }
p { margin: 8px 0; }
.brand, .input-row, .file-heading, .group-heading { display: flex; align-items: center; gap: 12px; }
.brand { justify-content: space-between; }
.badge { border: 1px solid var(--cp-border); border-radius: 10px; padding: 2px 8px; color: var(--cp-text-muted); font-size: 12px; }
.subtle { color: var(--cp-text-muted); }
label { display: block; font-weight: 600; margin-bottom: 6px; }
#load-form { margin-top: 16px; }
input, textarea, button { font: inherit; border-radius: 10px; }
input, textarea { border: 1px solid var(--cp-border-strong); background: var(--cp-surface); color: var(--cp-text); padding: 10px 12px; width: 100%; min-width: 0; }
textarea { resize: vertical; display: block; margin-bottom: 12px; }
button { border: 1px solid var(--cp-border); background: var(--cp-surface); color: var(--cp-text); padding: 8px 12px; cursor: pointer; flex-shrink: 0; }
button:hover { background: var(--cp-surface-soft); border-color: var(--cp-border-strong); }
button:disabled { opacity: .55; cursor: wait; }
button.primary { background: var(--cp-accent); border-color: var(--cp-accent); color: var(--cp-accent-fg); font-weight: 600; }
button.primary:hover { background: var(--cp-accent-hover); }
:focus-visible { outline: 2px solid var(--cp-accent); outline-offset: 3px; }
a { color: var(--cp-link); overflow-wrap: anywhere; }
#status { color: var(--cp-text-muted); margin-top: 12px; }
#error, .answer-error { padding: 12px; margin-top: 12px; border: 1px solid var(--cp-danger); border-radius: 10px; color: var(--cp-danger); white-space: pre-wrap; overflow-wrap: anywhere; }
#stop-button { margin-top: 8px; }
.empty { max-width: 640px; padding: 36px 12px; }
.card { border: 1px solid var(--cp-border); border-radius: 16px; background: var(--cp-surface); padding: 20px; margin-bottom: 16px; }
.workspace { display: grid; grid-template-columns: minmax(180px, 25%) minmax(0, 1fr); gap: 16px; align-items: start; }
nav { min-width: 0; }
.group-button { display: block; width: 100%; text-align: left; margin-bottom: 8px; padding: 12px; white-space: normal; overflow-wrap: anywhere; }
.group-button.active { border-color: var(--cp-accent); background: var(--cp-accent-soft); }
.group-title { font-weight: 600; display: block; }
.group-count { font-size: 12px; color: var(--cp-text-muted); }
.group-heading { justify-content: space-between; align-items: flex-start; flex-wrap: wrap; }
.rationale, .answer-body, .summary { white-space: pre-wrap; overflow-wrap: anywhere; }
.reviewed-control { font-size: 12px; display: flex; align-items: center; gap: 8px; font-weight: 400; }
.reviewed-control input { width: auto; accent-color: var(--cp-accent); }
.file { border: 1px solid var(--cp-border); background: var(--cp-surface); border-radius: 10px; margin-bottom: 12px; overflow: hidden; }
.file > summary { padding: 12px; cursor: pointer; overflow-wrap: anywhere; font-family: Consolas, "Courier New", Courier, monospace; font-size: 12px; }
.stats { color: var(--cp-text-muted); margin-left: 8px; font-family: "Segoe UI", Aptos, Calibri, sans-serif; white-space: nowrap; }
.file-heading { padding: 0 12px 12px; justify-content: space-between; flex-wrap: wrap; }
.file-note { padding: 0 12px 8px; font-size: 12px; color: var(--cp-text-muted); overflow-wrap: anywhere; }
.hunk { border-top: 1px solid var(--cp-border); }
.hunk-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding: 8px 12px; background: var(--cp-surface-soft); }
.hunk-header code { overflow-wrap: anywhere; font-size: 11px; }
.hunk-header button { font-size: 12px; padding: 4px 8px; }
.diff { overflow-x: auto; max-height: 560px; }
.diff-line { display: grid; grid-template-columns: 46px 46px minmax(max-content, 1fr); font: 12px/1.7 Consolas, "Courier New", Courier, monospace; }
.line-number { color: var(--cp-text-muted); user-select: none; text-align: right; padding: 0 8px; background: var(--cp-surface-soft); border-right: 1px solid var(--cp-border); }
.code { white-space: pre; padding: 0 10px; }
.addition .code { color: var(--cp-success); }
.deletion .code { color: var(--cp-danger); }
#questions { margin-top: 4px; }
#selection-label { padding: 8px 12px; border-radius: 10px; background: var(--cp-accent-soft); overflow-wrap: anywhere; }
.selected-lines { max-height: 240px; overflow: auto; padding: 12px; border: 1px solid var(--cp-border); border-radius: 10px; background: var(--cp-surface-soft); font: 12px/1.7 Consolas, "Courier New", Courier, monospace; }
.answer { border-top: 1px solid var(--cp-border); margin-top: 20px; padding-top: 16px; }
.answer-context { font-size: 12px; color: var(--cp-text-muted); overflow-wrap: anywhere; }
.answer-body { margin-top: 12px; }
@media (max-width: 650px) {
  header, main, footer { padding: 16px; }
  .workspace { display: block; }
  #groups { display: flex; overflow-x: auto; gap: 8px; padding-bottom: 4px; }
  .group-button { min-width: 180px; max-width: 240px; }
  .card { padding: 16px; }
  .input-row { align-items: stretch; flex-direction: column; gap: 8px; }
}