:root {
  --bg: #0e1120; --bg2: #151a30; --card: #1a2038; --line: #2a3152;
  --ink: #eef1fb; --muted: #99a2c4; --accent: #6c8cff; --win: #3ddc97; --warn: #ffcc66;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 50% -200px, #1c2b4a 0, var(--bg) 60%), var(--bg);
  color: var(--ink); line-height: 1.55;
}
main { max-width: 940px; margin: 0 auto; padding: 34px 20px 60px; }

/* Hero */
.hero h1 { margin: 0 0 8px; font-size: 1.9rem; letter-spacing: -0.02em; }
.hero .dim { color: var(--muted); }
.sub { color: var(--muted); margin: 0 0 16px; max-width: 640px; }
b { color: var(--ink); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.chip { font-size: .82rem; padding: 5px 12px; border-radius: 999px;
  background: var(--bg2); border: 1px solid var(--line); color: var(--muted); }
.chip.good { color: var(--win); border-color: #245; background: #10241c; }

/* Comparison table */
.compare table { width: 100%; border-collapse: collapse; background: var(--card);
  border: 1px solid var(--line); border-radius: 14px; overflow: hidden; margin-bottom: 26px; }
.compare th, .compare td { padding: 11px 16px; text-align: right; border-bottom: 1px solid var(--line); }
.compare tr:last-child td { border-bottom: 0; }
.compare th:first-child, .compare td:first-child { text-align: left; }
.compare thead th { color: var(--muted); font-weight: 600; font-size: .85rem; }
.compare td.win { color: var(--win); font-weight: 700; }

/* App layout */
.app { display: grid; grid-template-columns: 320px 1fr; gap: 22px; }
@media (max-width: 760px) { .app { grid-template-columns: 1fr; } }

#preview-wrap { position: relative; background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; height: 240px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
#preview { display: none; max-width: 100%; max-height: 240px; image-rendering: pixelated; }
#preview-hint { color: var(--muted); font-size: .92rem; text-align: center; line-height: 1.7; }
#preview-wrap.has-img #preview { display: block; }
#preview-wrap.has-img #preview-hint { display: none; }

.upload { display: block; margin: 14px 0 4px; }
.upload input { display: none; }
.upload span { display: block; text-align: center; padding: 11px; border-radius: 10px;
  background: var(--accent); color: #fff; cursor: pointer; font-weight: 600; }
.examples-label { color: var(--muted); margin: 18px 0 8px; font-size: .85rem; }
#examples { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.thumb { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 8px;
  cursor: pointer; border: 2px solid transparent; image-rendering: pixelated; transition: border-color .15s; }
.thumb:hover { border-color: var(--accent); }

/* Verdict */
.verdict { border-radius: 12px; padding: 12px 16px; margin-bottom: 14px; font-weight: 600;
  border: 1px solid var(--line); background: var(--card); }
.verdict.idle { color: var(--muted); font-weight: 500; }
.verdict.agree { color: var(--win); border-color: #245; background: #10241c; }
.verdict.disagree { color: var(--warn); border-color: #4a4020; background: #241f10; }

/* Result cards */
.result-card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px; margin-bottom: 14px; }
.result-card.pruned { border-color: #245; }
.card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px; }
.card-head h3 { margin: 0; font-size: 1.05rem; }
.pill { font-size: .75rem; background: var(--bg2); color: var(--muted); padding: 3px 10px; border-radius: 999px; border: 1px solid var(--line); }
.pill.win { color: var(--win); background: #10241c; border-color: #245; }
.meta { color: var(--muted); font-size: .78rem; margin-bottom: 10px; }

.top1 { display: flex; align-items: baseline; gap: 10px; margin: 4px 0 12px; min-height: 30px; }
.top1 .cls-big { font-size: 1.5rem; font-weight: 800; text-transform: capitalize; letter-spacing: -0.01em; }
.top1 .conf { color: var(--muted); font-variant-numeric: tabular-nums; }

.bars { min-height: 78px; }
.bar-row { display: grid; grid-template-columns: 84px 1fr 52px; align-items: center; gap: 8px; margin: 6px 0; }
.cls { color: var(--muted); font-size: .88rem; text-transform: capitalize; }
.track { background: var(--bg2); border-radius: 6px; height: 10px; overflow: hidden; }
.fill { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), #9db4ff); border-radius: 6px; }
.result-card.pruned .fill { background: linear-gradient(90deg, var(--win), #7ff0c0); }
.pct { text-align: right; font-variant-numeric: tabular-nums; font-size: .82rem; color: var(--muted); }
.lat { color: var(--muted); font-size: .82rem; margin-top: 10px; }

/* ROI calculator */
.roi { background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 22px 24px; margin-top: 26px; }
.roi-head h2 { margin: 0 0 6px; font-size: 1.2rem; }
.roi-head .sub { margin: 0 0 18px; }
.roi-body { display: grid; grid-template-columns: 1.1fr 1fr; gap: 24px; align-items: start; }
@media (max-width: 760px) { .roi-body { grid-template-columns: 1fr; } }

.roi-inputs label { display: block; color: var(--muted); font-size: .85rem; margin-bottom: 8px; }
.roi-input-wrap { display: flex; align-items: center; gap: 8px; margin-top: 8px;
  background: var(--bg2); border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; }
.roi-input-wrap .prefix, .roi-input-wrap .suffix { color: var(--muted); font-size: .95rem; white-space: nowrap; }
.roi-input-wrap input { flex: 1; min-width: 0; background: transparent; border: none; outline: none;
  color: var(--ink); font-size: 1.1rem; font-variant-numeric: tabular-nums; }
.roi-input-wrap input::-webkit-outer-spin-button, .roi-input-wrap input::-webkit-inner-spin-button {
  -webkit-appearance: none; margin: 0; }
.roi-breakdown { color: var(--ink); font-size: .8rem; margin: 12px 0 0; font-variant-numeric: tabular-nums; }
.roi-hint { color: var(--muted); font-size: .8rem; margin: 8px 0 0; line-height: 1.5; }

.roi-outputs { display: grid; gap: 10px; }
.roi-stat { display: flex; justify-content: space-between; align-items: baseline;
  background: var(--bg2); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }
.roi-stat-label { color: var(--muted); font-size: .85rem; }
.roi-stat-value { font-size: 1.3rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.roi-stat.win { border-color: #245; background: #10241c; }
.roi-stat.win .roi-stat-value { color: var(--win); }

/* DECORE + INT8 (final deliverable) card — matches the pruned/green accent */
.result-card.int8 { border-color: #245; }
.result-card.int8 .fill { background: linear-gradient(90deg, var(--win), #7ff0c0); }
.final { font-size: .6rem; font-weight: 600; color: var(--win); background: #10241c;
  border: 1px solid #245; padding: 2px 7px; border-radius: 999px; margin-left: 8px;
  vertical-align: middle; text-transform: uppercase; letter-spacing: .04em; }

footer { margin-top: 28px; color: var(--muted); font-size: .85rem; text-align: center; }
footer a { color: var(--accent); text-decoration: none; }
footer a:hover { text-decoration: underline; }
#status { font-style: italic; }