:root {
  --paper: #fff;
  --ink: #202122;
  --dim: #54595d;
  --link: #0645ad;
  --link-visited: #0b0080;
  --border: #a2a9b1;
  --border-light: #eaecf0;
  --panel: #f8f9fa;
  --accent: #ab1f24; /* wikipedia's "delete" red, repurposed for graft marks */
  --accent2: #14866d;
  --score-low: #767676;
  --score-mid: #b8710a;
  --score-high: #ab1f24;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: #f6f6f6;
  color: var(--ink);
  font-family: Georgia, "Linux Libertine", "Nimbus Roman No9 L", "Liberation Serif", serif;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
a:visited { color: var(--link-visited); }

.chrome {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.chrome-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0.55rem 1.25rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}
.wordmark {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.01em;
}
.chrome-tag {
  font-size: 0.75rem;
  color: var(--dim);
}

.page {
  max-width: 960px;
  margin: 0 auto;
  background: var(--paper);
  padding: 1.5rem 1.75rem 3rem;
  min-height: 70vh;
}

.titlebar h1 {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-weight: 400;
  font-size: 1.85rem;
  margin: 0 0 0.15rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.35rem;
  line-height: 1.25;
}
.subtag {
  font-size: 0.85rem;
  color: var(--dim);
  font-style: italic;
  margin-bottom: 1rem;
}

/* ---- controls: article mix + splicer settings, collapsed into a panel
   above the toolbar so the article itself still reads first ---- */

.controls {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.82rem;
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 4px;
  margin-bottom: 1rem;
}
.controls > summary {
  cursor: pointer;
  padding: 0.55rem 0.85rem;
  font-weight: 700;
  color: var(--ink);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.controls > summary::-webkit-details-marker { display: none; }
.controls > summary::before {
  content: "\25B8";
  display: inline-block;
  transition: transform 0.15s ease;
  color: var(--dim);
}
.controls[open] > summary::before { transform: rotate(90deg); }
.controls-body {
  padding: 0 0.9rem 0.9rem;
  border-top: 1px solid var(--border-light);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
  padding-top: 0.8rem;
}
@media (max-width: 680px) {
  .controls-body { grid-template-columns: 1fr; }
}
.control-group h3 {
  margin: 0 0 0.45rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--dim);
}
.control-group .hint {
  color: var(--dim);
  font-size: 0.75rem;
  margin: 0.3rem 0 0;
  font-style: italic;
}

.mix-input-row {
  display: flex;
  gap: 0.4rem;
}
.mix-input-row input[type="text"] {
  flex: 1;
  font: inherit;
  font-size: 0.82rem;
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 3px;
}
.mix-input-row button {
  font: inherit;
  font-size: 0.8rem;
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--paper);
  cursor: pointer;
}
.mix-input-row button:hover:not(:disabled) { background: #eaecf0; }
.mix-input-row button:disabled { opacity: 0.5; cursor: default; }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.5rem;
  min-height: 1.4rem;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.15rem 0.3rem 0.15rem 0.65rem;
  font-size: 0.76rem;
}
.chip button {
  border: none;
  background: none;
  color: var(--dim);
  cursor: pointer;
  font-size: 0.85rem;
  line-height: 1;
  padding: 0.1rem 0.35rem;
  border-radius: 999px;
}
.chip button:hover { background: var(--border-light); color: var(--accent); }

.type-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.9rem;
}
.type-toggles label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
}

.control-slider {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-bottom: 0.7rem;
}
.control-slider:last-child { margin-bottom: 0; }
.control-slider .row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
}
.control-slider .row .val { color: var(--dim); font-variant-numeric: tabular-nums; }
.control-slider input[type="range"] { width: 100%; }

.mix-summary {
  font-size: 0.78rem;
  color: var(--dim);
  margin: 0 0 0.8rem;
}
.mix-summary strong { color: var(--ink); }
.mix-summary .pin-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--accent2);
  border: 1px solid var(--accent2);
  border-radius: 3px;
  padding: 0 0.25rem;
  margin-left: 0.2rem;
  vertical-align: 1px;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}
.btn {
  font: inherit;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.85rem;
  padding: 0.45rem 0.8rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
}
.btn:hover:not(:disabled) { background: #eaecf0; }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn.primary {
  background: var(--link);
  border-color: var(--link);
  color: #fff;
  font-weight: 600;
}
.btn.primary:hover:not(:disabled) { background: #053a82; }
.btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.toast {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.8rem;
  color: var(--accent2);
  font-weight: 600;
}

.strength-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.85rem;
  color: var(--dim);
  margin-bottom: 0.6rem;
}
.strength-row input[type="range"] { width: 180px; }
#strength-label { color: var(--ink); font-weight: 600; min-width: 3ch; }
#strength-note { font-style: italic; }

.status {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
  color: var(--dim);
  padding: 1.5rem 0;
}
.status.error { color: var(--accent); }

.layout {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

.article {
  flex: 1;
  min-width: 0;
  font-size: 1.05rem;
  line-height: 1.9;
}
.article p {
  margin: 0 0 1.1rem;
}

.graft {
  transition: background 0.25s ease;
  border-radius: 2px;
  padding: 0.03rem 0.15rem;
}
body.stitches-on .graft.score-low { background: rgba(118, 118, 118, 0.1); }
body.stitches-on .graft.score-mid { background: rgba(184, 113, 10, 0.15); }
body.stitches-on .graft.score-high { background: rgba(171, 31, 36, 0.15); }

.repair {
  border-bottom: 1px dotted var(--accent2);
  cursor: help;
}

.stitch-mark {
  display: none;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  margin-left: 0.1rem;
  cursor: default;
}
body.stitches-on .stitch-mark { display: inline; }
.stitch-mark a { color: inherit; }
.stitch-mark.score-low { color: var(--score-low); }
.stitch-mark.score-mid { color: var(--score-mid); }
.stitch-mark.score-high { color: var(--score-high); }

.infobox {
  width: 260px;
  flex-shrink: 0;
  border: 1px solid var(--border);
  background: var(--panel);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.8rem;
}
.infobox-title {
  background: #eaecf0;
  font-weight: 700;
  font-size: 0.9rem;
  text-align: center;
  padding: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.infobox table { width: 100%; border-collapse: collapse; }
.infobox td {
  padding: 0.4rem 0.6rem;
  border-top: 1px solid var(--border-light);
  vertical-align: top;
}
.infobox td.k { color: var(--dim); width: 44%; }
.infobox td.v { font-weight: 600; text-align: right; }
.infobox-caption {
  padding: 0.5rem 0.6rem 0.6rem;
  color: var(--dim);
  font-style: italic;
  font-size: 0.72rem;
  border-top: 1px solid var(--border-light);
}
.type-pill {
  display: inline-block;
  padding: 0.05rem 0.4rem;
  border-radius: 3px;
  background: #eaecf0;
  border: 1px solid var(--border);
  font-size: 0.7rem;
  font-weight: 600;
}
.type-pill.jump {
  background: #fbe4e2;
  border-color: var(--accent);
  color: var(--accent);
}

.stitch-notes {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.82rem;
  border-top: 1px solid var(--border);
  margin-top: 1.5rem;
  padding: 1rem 0 0 1.4rem;
  color: var(--ink);
  column-width: 320px;
  column-gap: 2rem;
}
.stitch-notes li { margin-bottom: 0.65rem; line-height: 1.5; break-inside: avoid; }
.stitch-notes .breakdown { color: var(--dim); }
.stitch-notes .score-tag {
  font-weight: 700;
  padding: 0.02rem 0.35rem;
  border-radius: 3px;
  color: #fff;
}
.stitch-notes .score-tag.score-low { background: var(--score-low); }
.stitch-notes .score-tag.score-mid { background: var(--score-mid); }
.stitch-notes .score-tag.score-high { background: var(--score-high); }

.foot {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.78rem;
  color: var(--dim);
  border-top: 1px solid var(--border);
  margin-top: 2rem;
  padding-top: 1rem;
  line-height: 1.6;
}

@media (max-width: 680px) {
  .layout { flex-direction: column; }
  .infobox { width: 100%; }
}