/* DeepNeo-CL v4.1 LoRA — clean, minimal, distinct teal accent (v4.2 uses blue) */
:root {
  --brand: #0F766E;
  --brand-dark: #0b5651;
  --brand-light: #14b8a6;
  --brand-bg: #f0fdfa;
  --v42: #0072B2;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --line-strong: #cbd5e1;
  --bg: #f8fafc;
  --card: #ffffff;
  --serif: "Charter", "Iowan Old Style", "Palatino Linotype", "Palatino", "Georgia", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --radius: 8px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.6 var(--sans); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }

header.site { background: var(--card); border-bottom: 1px solid var(--line); padding: 14px 24px;
  position: sticky; top: 0; z-index: 40; backdrop-filter: saturate(180%) blur(10px);
  background: rgba(255,255,255,0.92); }
header.site .wrap { max-width: 1000px; margin: 0 auto; display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
header.site .brand { display: flex; align-items: baseline; gap: 8px; text-decoration: none; color: var(--ink); }
header.site .brand .name { font-size: 18px; font-weight: 700; color: var(--brand-dark); letter-spacing: -0.01em; }
header.site .brand .ver { color: var(--muted); font-weight: 500; font-size: 13px; }
header.site .brand .arm { background: var(--brand-bg); color: var(--brand-dark); padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; margin-left: 4px; }
header.site nav { margin-left: auto; display: flex; gap: 6px; flex-wrap: wrap; }
header.site nav a { color: var(--ink); text-decoration: none; font-size: 14px; padding: 6px 12px; border-radius: 6px; transition: background 120ms; }
header.site nav a:hover { background: var(--bg); }
header.site nav a.active { color: var(--brand-dark); font-weight: 600; background: var(--brand-bg); }
header.site nav a.v42 { color: var(--v42); font-weight: 600; }
header.site nav a.external::after { content: " ↗"; font-size: 11px; opacity: 0.6; }

main { max-width: 900px; margin: 0 auto; padding: 32px 24px 80px; }
section { margin-bottom: 28px; }

.hero {
  background: linear-gradient(135deg, #f0fdfa 0%, #ecfeff 100%);
  border: 1px solid #ccfbf1;
  border-radius: var(--radius); padding: 32px 32px 28px;
}
.hero h1 { margin: 0 0 8px; font-size: 26px; font-weight: 700; color: var(--brand-dark); letter-spacing: -0.02em; line-height: 1.15; }
.hero .subtitle { color: var(--ink); font-size: 15px; margin: 0 0 20px; max-width: 640px; }
.hero .notice { background: rgba(255,255,255,0.7); border-left: 3px solid var(--brand); padding: 12px 16px; border-radius: 6px; font-size: 14px; }
.hero .notice a { color: var(--v42); font-weight: 600; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow-sm); margin-bottom: 20px; }
.card > h2 { margin: 0 0 4px; font-size: 18px; font-weight: 600; color: var(--ink);
  display: flex; align-items: baseline; gap: 12px; }
.card > h2 .subtitle { font-size: 13px; color: var(--muted); font-weight: normal; }
.card > p.desc { color: var(--muted); margin: 4px 0 16px; font-size: 14px; }

form.predict { display: grid; grid-template-columns: 2fr 1fr auto; gap: 12px; align-items: end; }
form.predict label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; font-weight: 500; }
form.predict input {
  width: 100%; padding: 11px 14px; border: 1px solid var(--line-strong); border-radius: 6px;
  font: 14px var(--mono); background: #fff; transition: border-color 120ms, box-shadow 120ms;
}
form.predict input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(15,118,110,0.15); }
form.predict button {
  padding: 11px 22px; background: var(--brand); color: #fff; border: 0; border-radius: 6px;
  font: 600 14px var(--sans); cursor: pointer; transition: background 120ms;
}
form.predict button:hover { background: var(--brand-dark); }
form.predict button:disabled { background: var(--muted); cursor: wait; }
@media (max-width: 680px) { form.predict { grid-template-columns: 1fr; } }

.result { margin-top: 18px; }
.result .scores { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.result .score-card { padding: 16px 18px; background: var(--bg); border-radius: 6px; border-left: 3px solid var(--brand); }
.result .score-card.el { border-left-color: var(--brand-light); }
.result .score-card .kind { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
.result .score-card .value { font: 700 26px/1.1 var(--serif); font-variant-numeric: tabular-nums; margin-top: 4px; }
.result .score-card .label { display: inline-block; margin-top: 6px; font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px; }
.result .score-card .label.binder { background: #fee2e2; color: #b91c1c; }
.result .score-card .label.non-binder { background: #f1f5f9; color: var(--muted); }
.result .score-card .label.presented { background: #dcfce7; color: #15803d; }
.result table.perfold { width: 100%; border-collapse: collapse; font: 12px var(--mono); margin-top: 8px; }
.result table.perfold th, .result table.perfold td { padding: 6px 8px; text-align: right; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; }
.result table.perfold th { text-align: center; color: var(--muted); font-weight: 500; }
.result .warning { background: #fef3c7; border: 1px solid #fbbf24; padding: 12px 16px; border-radius: 6px; color: #92400e; font-size: 14px; }

.compare-cta {
  background: linear-gradient(90deg, #eff6ff, #f0fdfa);
  border: 1px solid #dbeafe; padding: 18px 22px; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.compare-cta .txt { flex: 1 1 auto; min-width: 240px; }
.compare-cta .txt strong { color: var(--v42); }
.compare-cta a.button {
  background: var(--v42); color: #fff; padding: 10px 18px; border-radius: 6px;
  text-decoration: none; font: 600 14px var(--sans); white-space: nowrap;
}
.compare-cta a.button:hover { background: #005a94; }

table.meta { width: 100%; border-collapse: collapse; font-size: 14px; }
table.meta th, table.meta td { padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--line); }
table.meta td.num { font: 13px var(--mono); font-variant-numeric: tabular-nums; text-align: right; word-break: break-all; }

code { font: 13px var(--mono); background: var(--bg); padding: 1px 6px; border-radius: 3px; }
pre { font: 13px/1.5 var(--mono); background: #0f172a; color: #e2e8f0; padding: 14px 16px; border-radius: 6px; overflow-x: auto; }
pre code { background: transparent; color: inherit; padding: 0; }

footer.site { text-align: center; color: var(--muted); font-size: 12px; padding: 32px 20px 60px; border-top: 1px solid var(--line); margin-top: 32px; }
footer.site a { color: var(--brand-dark); text-decoration: none; }
footer.site a:hover { text-decoration: underline; }
footer.site .row { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; margin-bottom: 8px; }

.small { font-size: 12px; }
.muted { color: var(--muted); }
.spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid rgba(15,118,110,0.2);
  border-top-color: var(--brand); border-radius: 50%; animation: spin 0.7s linear infinite;
  vertical-align: middle; margin-right: 6px; }
@keyframes spin { to { transform: rotate(360deg); } }