:root {
  --bg: #0d0b10;
  --panel: #16121c;
  --panel2: #1d1826;
  --ink: #e8e2f0;
  --dim: #9a8fae;
  --accent: #ff9e2c;
  --green: #4ade80;
  --line: #2c2438;
  --mono: "Cascadia Code", "JetBrains Mono", Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--mono);
  line-height: 1.55;
}

header { max-width: 880px; margin: 0 auto; padding: 48px 20px 8px; }
h1 { font-size: 2.6rem; margin: 0; letter-spacing: -1px; }
.cursor { color: var(--accent); animation: blink 1.2s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.tag { color: var(--accent); margin: 4px 0 14px; font-size: 1.05rem; }
.sub { color: var(--dim); font-size: 0.9rem; max-width: 620px; margin: 0; }
.sub b { color: var(--ink); }

main { max-width: 880px; margin: 0 auto; padding: 20px; }

.drops { display: flex; gap: 14px; align-items: stretch; margin-top: 18px; }
.vs { align-self: center; color: var(--dim); font-size: 0.85rem; }
.drop {
  flex: 1;
  position: relative;
  border: 2px dashed var(--line);
  border-radius: 10px;
  background: var(--panel);
  min-height: 170px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px;
  transition: border-color 0.15s, background 0.15s;
  cursor: pointer;
}
.drop.over { border-color: var(--accent); background: var(--panel2); }
.drop.filled { border-style: solid; }
.drop input {
  position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%;
}
.drop-label { color: var(--dim); font-size: 0.9rem; pointer-events: none; }
.slot {
  display: inline-block; width: 1.6em; height: 1.6em; line-height: 1.6em;
  text-align: center; border-radius: 4px; background: var(--panel2);
  color: var(--accent); margin-right: 6px; border: 1px solid var(--line);
}
.drop canvas { max-width: 100%; max-height: 220px; border-radius: 6px; pointer-events: none; }
.meta { color: var(--dim); font-size: 0.72rem; pointer-events: none; word-break: break-all; text-align: center; }

.examples { margin: 14px 0 0; color: var(--dim); font-size: 0.82rem; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.examples button {
  font-family: var(--mono); font-size: 0.8rem;
  background: var(--panel2); color: var(--ink);
  border: 1px solid var(--line); border-radius: 6px;
  padding: 5px 12px; cursor: pointer;
}
.examples button:hover { border-color: var(--accent); }

#status { margin: 18px 0; color: var(--accent); font-size: 0.9rem; }

.verdict-card {
  margin-top: 26px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 10px;
  padding: 18px 20px;
}
.verdict-kicker { color: var(--dim); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 2px; }
.verdict { font-size: 1.35rem; margin: 4px 0 2px; }
.verdict[data-kind="hand"], .verdict[data-kind="compression"], .verdict[data-kind="grade"] { color: var(--green); }
.verdict[data-kind="ai-subtle"], .verdict[data-kind="repaint"], .verdict[data-kind="composite"] { color: var(--accent); }
.confidence { color: var(--dim); font-size: 0.82rem; }
.explain { color: var(--ink); font-size: 0.88rem; margin-bottom: 0; }

.viz { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 18px; }
.viz figure { margin: 0; }
.viz figcaption { font-size: 0.78rem; color: var(--dim); margin-bottom: 6px; }
.viz .hint { opacity: 0.7; }
.viz canvas { width: 100%; height: auto; border-radius: 8px; border: 1px solid var(--line); background: #000; }

.numbers { margin-top: 18px; }
.numbers summary, .about summary { cursor: pointer; color: var(--dim); font-size: 0.88rem; }
.numbers table { border-collapse: collapse; margin-top: 10px; font-size: 0.82rem; width: 100%; max-width: 480px; }
.numbers td { padding: 4px 12px 4px 0; border-bottom: 1px solid var(--line); }
.numbers td:last-child { color: var(--accent); text-align: right; }

.signals { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.signal {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.82rem;
  color: var(--dim);
}

.about { margin-top: 40px; }
.about div { color: var(--dim); font-size: 0.85rem; max-width: 680px; }
.about b, .about em { color: var(--ink); }
.about li { margin-bottom: 6px; }

footer {
  max-width: 880px; margin: 40px auto 0; padding: 20px;
  color: var(--dim); font-size: 0.78rem;
  border-top: 1px solid var(--line);
}
footer a { color: var(--accent); text-decoration: none; }

@media (max-width: 700px) {
  .drops { flex-direction: column; }
  .viz { grid-template-columns: 1fr; }
  h1 { font-size: 2rem; }
}