:root {
  --bg: #f6f7f9;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --card: #ffffff;
  --accent: #2563eb;
  --accent-ink: #ffffff;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 12px 32px rgba(15, 23, 42, .08);
  --serif: ui-serif, Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 20px 40px;
}

.masthead { text-align: center; margin-bottom: 28px; }

.logo {
  font-family: var(--serif);
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -.02em;
  margin: 0 0 8px;
}

.tagline {
  margin: 0 auto;
  max-width: 460px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
}

/* Search bar */
.searchbar {
  display: flex;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px;
  box-shadow: var(--shadow);
}

.searchbar input {
  flex: 1;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: 16px;
  padding: 12px 14px;
  color: var(--ink);
  font-family: var(--sans);
  min-width: 0;
}

.searchbar input::placeholder { color: #94a3b8; }

.searchbar button {
  border: 0;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  font-size: 15px;
  padding: 0 22px;
  border-radius: 10px;
  cursor: pointer;
  transition: filter .15s ease, transform .05s ease;
}
.searchbar button:hover { filter: brightness(1.08); }
.searchbar button:active { transform: translateY(1px); }
.searchbar button:disabled { opacity: .55; cursor: default; }

/* Examples */
.examples {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 14px 4px 0;
  font-size: 13px;
  color: var(--muted);
}
.examples button {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 13px;
  cursor: pointer;
  transition: border-color .15s ease, color .15s ease;
}
.examples button:hover { border-color: var(--accent); color: var(--accent); }

/* Stage / states */
.stage { margin-top: 28px; }

.status {
  text-align: center;
  color: var(--muted);
  padding: 32px 12px;
  font-size: 15px;
}
.status.error {
  color: #b91c1c;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--radius);
}

.spinner {
  display: inline-block;
  width: 22px; height: 22px;
  border: 2.5px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  vertical-align: -5px;
  margin-right: 10px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* The card (this is what gets exported).
   All type is em-based so --fs-scale rescales the whole shot. */
.card {
  position: relative;
  background: var(--card-bg, var(--card));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 34px 38px 28px;
  overflow: hidden;
  font-size: calc(15px * var(--fs-scale, 1));
  width: var(--card-w, auto);
  max-width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.card.ratio-fixed { aspect-ratio: var(--ratio); }
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: var(--topbar-h, 5px);
  background: var(--topbar, var(--badge, var(--accent)));
}

/* Journal masthead: official wordmark / logo + optional journal name */
.masthead-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 0.85em;
  border-bottom: var(--rule-w, 1px) solid var(--rule, var(--line));
  margin-bottom: 1.15em;
}
.masthead-row img {
  height: var(--logo-h, 1.7em);
  width: auto;
  display: block;
}
.masthead-row .jname {
  font-family: var(--meta-font, var(--body-font, var(--sans)));
  font-size: 1.25em;
  font-weight: 700;
  color: var(--title-color, var(--ink));
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.masthead-row .jname-word {
  font-family: var(--title-font, var(--serif));
  font-size: 1.55em;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--title-color, var(--ink));
}

.badge {
  display: inline-block;
  font-family: var(--body-font, var(--sans));
  font-size: 0.77em;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--badge, var(--accent));
  background: color-mix(in srgb, var(--badge, var(--accent)) 12%, white);
  padding: 5px 11px;
  border-radius: 999px;
  margin-bottom: 16px;
  align-self: flex-start;
}

.card .title {
  font-family: var(--title-font, var(--serif));
  font-size: 1.73em;
  line-height: 1.25;
  font-weight: var(--title-weight, 700);
  margin: 0 0 0.55em;
  letter-spacing: var(--title-spacing, -.01em);
  color: var(--title-color, var(--ink));
}

.card .authors {
  font-family: var(--body-font, var(--sans));
  font-size: 0.97em;
  line-height: 1.55;
  color: var(--text-color, #334155);
  margin: 0 0 0.95em;
}
.card .authors .more { color: var(--meta-color, var(--muted)); }

.card .affils {
  font-family: var(--meta-font, var(--body-font, var(--sans)));
  font-size: 0.87em;
  line-height: 1.5;
  color: var(--meta-color, var(--muted));
  margin: 0 0 0.95em;
}
.card .affils .more { opacity: .7; }

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-family: var(--meta-font, var(--body-font, var(--sans)));
  font-size: 0.87em;
  color: var(--meta-color, var(--muted));
  margin-bottom: 1.2em;
}
.meta b { color: var(--title-color, var(--ink)); font-weight: 600; }

.abstract {
  font-family: var(--body-font, var(--sans));
  font-size: 0.97em;
  line-height: 1.6;
  color: var(--text-color, #334155);
  margin: 0;
  padding-top: 1.2em;
  border-top: 1px solid var(--line);
  display: -webkit-box;
  -webkit-line-clamp: var(--abs-lines, 9);
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card .doi {
  margin-top: 1.45em;
  padding-top: 1.05em;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-size: 0.83em;
}
.card .doi.end { justify-content: flex-end; }
.card .doi a { color: var(--accent, var(--badge)); text-decoration: none; word-break: break-all; }
.card .doi a:hover { text-decoration: underline; }
.card .doi .mark { color: #cbd5e1; font-weight: 700; letter-spacing: .04em; white-space: nowrap; }

/* Copy note + field checklist (not exported) */
.copynote {
  text-align: center;
  font-size: 13px;
  color: #16a34a;
  margin: 14px 0 0;
  min-height: 18px;
}

.fields {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px 10px;
  margin-bottom: 16px;
}
.fields-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  font-weight: 600;
  margin-right: 2px;
}
.fld {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 12px 5px 10px;
  cursor: pointer;
  user-select: none;
  transition: border-color .15s ease, color .15s ease, opacity .15s ease;
}
.fld:hover { border-color: var(--accent); }
.fld input { accent-color: var(--accent); cursor: pointer; margin: 0; }
.fld.locked { opacity: .9; cursor: default; }
.fld.locked input { cursor: default; }
.fld.off { opacity: .4; cursor: not-allowed; }
.fld.off:hover { border-color: var(--line); }

/* Appearance controls (not exported) */
.appearance {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px 18px;
  margin: 0 0 16px;
  padding: 10px 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 13px;
  color: var(--muted);
}
.appearance .ctl {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
}
.appearance label { font-weight: 600; color: var(--ink); font-size: 12.5px; }
.appearance input[type="range"] { width: 90px; accent-color: var(--accent); }
.appearance select {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
  font-size: 13px;
  padding: 4px 6px;
}
.appearance output { min-width: 42px; text-align: right; font-variant-numeric: tabular-nums; }

/* Actions (not exported) */
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
  justify-content: center;
}
.actions button {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  padding: 9px 16px;
  border-radius: 10px;
  cursor: pointer;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}
.actions button:hover { border-color: var(--accent); color: var(--accent); }
.actions button.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.actions button.primary:hover { filter: brightness(1.08); color: #fff; }
.actions button.ok { border-color: #16a34a; color: #16a34a; }

.foot {
  text-align: center;
  color: var(--muted);
  font-size: 12.5px;
  padding: 16px 20px 40px;
}
.foot a { color: var(--muted); }
.foot span { font-family: var(--serif); font-weight: 700; color: var(--ink); }

@media (max-width: 560px) {
  .wrap { padding-top: 36px; }
  .logo { font-size: 34px; }
  .card { padding: 28px 22px 24px; font-size: calc(13.5px * var(--fs-scale, 1)); }
}