:root {
  color-scheme: light;
  --bg: #f4f2ec;
  --card: #fffdf8;
  --ink: #26241f;
  --muted: #6f6a5e;
  --border: #e2ddd0;
  --accent: #7c2d12;
  --accent-hover: #66230d;
  --accent-ink: #fff8f0;
  --tint: #efe9db;
  --warn-bg: #fdf3e3;
  --warn-edge: #d97706;
  --radius: 0.75rem;
  --shadow: 0 1px 2px rgb(38 36 31 / 0.06), 0 4px 16px rgb(38 36 31 / 0.06);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #191713;
    --card: #221f1a;
    --ink: #ece6d8;
    --muted: #a8a091;
    --border: #38332a;
    --accent: #e2a35c;
    --accent-hover: #eeb574;
    --accent-ink: #241708;
    --tint: #2b271f;
    --warn-bg: #2e2414;
    --warn-edge: #e2a35c;
    --shadow: 0 1px 2px rgb(0 0 0 / 0.3), 0 4px 16px rgb(0 0 0 / 0.3);
}

* { box-sizing: border-box; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  margin: 0;
  padding: 2rem 1.5rem 3rem;
  line-height: 1.55;
  background: var(--bg);
  color: var(--ink);
}

main { max-width: 46rem; margin: 0 auto; }

.hero { display: flex; gap: 0.9rem; align-items: center; margin: 0.5rem 0 0; }
.hero-mark {
  flex: none;
  width: 3rem;
  height: 3rem;
  border-radius: 0.9rem;
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  color: var(--accent-ink);
  background: var(--accent);
}
.hero h1 { margin: 0; font-size: 1.9rem; letter-spacing: -0.02em; line-height: 1.1; }
.hero h1 .giggles { font-size: 0.55em; font-weight: 400; color: var(--muted); letter-spacing: 0; white-space: nowrap; }
.theme-toggle {
  flex: none;
  margin-left: auto;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  font-size: 1.2rem;
  line-height: 1;
  background: transparent;
  color: var(--ink);
  border-color: var(--border);
}
.theme-toggle:hover:not(:disabled) { background: var(--tint); border-color: var(--border); }
.sub { margin: 0.35rem 0 0; color: var(--muted); }
.sub a { color: var(--accent); }
.sub a:hover { color: var(--accent-hover); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.25rem 1.1rem;
  margin: 1.25rem 0;
}

.card h2 { margin: 0 0 0.5rem; font-size: 1rem; letter-spacing: 0.01em; }
.card p { margin: 0.4rem 0; }

.row { display: flex; gap: 0.75rem 1rem; align-items: center; flex-wrap: wrap; margin: 0.6rem 0; }

label { font-size: 0.95rem; }
.muted { color: var(--muted); font-size: 0.9rem; }

select, input[type="text"], input:not([type]) {
  font: inherit;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0.35rem 0.6rem;
}
#illegalReplacement { width: 3rem; text-align: center; }

button {
  font: inherit;
  padding: 0.55rem 1.4rem;
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
}
button:hover:not(:disabled) { background: var(--accent-hover); border-color: var(--accent-hover); }
button:disabled { cursor: wait; opacity: 0.55; }
button:focus-visible, select:focus-visible, a:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
#keepBtn, #stripBtn, #replaceBtn {
  background: transparent;
  color: var(--accent);
  padding: 0.45rem 1.1rem;
}
#keepBtn:hover, #stripBtn:hover, #replaceBtn:hover { background: var(--tint); }

footer { text-align: center; }

pre {
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0.5rem 0 0;
  font-size: 0.85rem;
  background: var(--tint);
  border-radius: 0.5rem;
  padding: 0.6rem 0.75rem;
}

#illegalCard { border-left: 4px solid var(--warn-edge); }
#illegalCard pre { background: var(--warn-bg); }

ul { list-style: none; padding: 0; margin: 0.6rem 0 0; }
li { margin: 0.4rem 0; }

.help-list { list-style: disc; padding-left: 1.25rem; margin: 0.6rem 0; }
.help-list li { margin: 0.25rem 0; }
#results a, #pdfs a {
  display: inline-block;
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 0.2rem 0.8rem;
}
#results a:hover, #pdfs a:hover { background: var(--tint); }

.hidden { display: none; }

.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  justify-content: center;
  text-align: center;
  cursor: pointer;
}
.dropzone:hover { border-color: var(--accent); }
.dropzone:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }
.dropzone.dragover { border-color: var(--accent); background: var(--tint); }
.drop-hint { font-weight: 600; color: var(--accent); }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

#status.ok { color: var(--accent); font-weight: 600; }
#status.err { color: #b3261e; font-weight: 600; }
:root[data-theme="dark"] #status.err { color: #f28b82; }

.info-wrap { position: relative; display: inline-flex; }
.info-tip {
  width: 1.25rem;
  height: 1.25rem;
  padding: 0;
  border-radius: 50%;
  font-size: 0.8rem;
  font-style: italic;
  font-weight: 700;
  line-height: 1;
  display: inline-grid;
  place-items: center;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  cursor: help;
}
.info-tip:hover:not(:disabled) { background: var(--tint); border-color: var(--muted); }
.info-bubble {
  display: none;
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.5rem);
  transform: translateX(-50%);
  width: max-content;
  max-width: 16rem;
  font-size: 0.85rem;
  font-weight: 400;
  line-height: 1.4;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  box-shadow: var(--shadow);
  padding: 0.5rem 0.65rem;
  z-index: 10;
}
.info-wrap:hover .info-bubble, .info-wrap:focus-within .info-bubble { display: block; }

#pdfDetails summary,
#warningsCard details summary,
#howtoDetails > summary,
#formatsDetails > summary,
#faqDetails > summary {
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  border-radius: 0.25rem;
}
#howtoDetails > summary h2,
#formatsDetails > summary h2,
#faqDetails > summary h2 {
  display: inline;
  font-size: 1rem;
}
#pdfDetails p { margin: 0.4rem 0; }

#previewDetails summary {
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  border-radius: 0.25rem;
}
#preview details { margin: 0.6rem 0; }
#preview details summary { cursor: pointer; font-weight: 600; }
.match-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.5rem 0;
  font-size: 0.85rem;
}
.match-table th, .match-table td {
  text-align: left;
  padding: 0.3rem 0.5rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.pill {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 999px;
  padding: 0.05rem 0.55rem;
  border: 1px solid var(--border);
  white-space: nowrap;
}
.pill-embedded { color: var(--accent); border-color: var(--accent); }
.pill-reference { color: var(--muted); }
.pill-skipped { color: #b3261e; border-color: #b3261e; }
:root[data-theme="dark"] .pill-skipped { color: #f28b82; border-color: #f28b82; }

.row-remove {
  padding: 0.1rem 0.5rem;
  font-size: 0.8rem;
  background: transparent;
  color: var(--muted);
  border-color: var(--border);
}
.row-remove:hover:not(:disabled) { background: var(--tint); border-color: var(--muted); }