:root {
  --bg: #050805;
  --panel: #0b120c;
  --line: #1c2e20;
  --green: #33ff66;
  --green-dim: #1f9e43;
  --text: #c8f5d2;
  --muted: #7fa888;
  --gen: #dcffe5;
  --mono: "VT323", ui-monospace, "Cascadia Mono", Consolas, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
main, .hero { max-width: 900px; margin: 0 auto; padding: 0 16px; }

.hero { display: flex; gap: 20px; align-items: center; padding-top: 40px; padding-bottom: 8px; }
.hero img { flex: none; border-radius: 20px; }
h1 { font: 64px/1 var(--mono); color: var(--green); margin: 0 0 6px; letter-spacing: 2px; text-shadow: 0 0 12px #33ff6688; }
.hero p { margin: 0; color: var(--muted); max-width: 60ch; }
h2 { font: 30px/1.2 var(--mono); color: var(--green); margin: 36px 0 12px; }

.models { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.model {
  text-align: left; background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 16px; color: var(--text); cursor: pointer; font: inherit;
}
.model[aria-checked="true"] { border-color: var(--green); box-shadow: 0 0 0 1px var(--green), 0 0 18px #33ff6622; }
.model b { font: 26px/1.1 var(--mono); color: var(--green); display: block; }
.model span { display: block; color: var(--muted); font-size: 14px; margin-top: 4px; }
.model .tag { display: inline-block; font-size: 12px; border: 1px solid var(--green-dim); color: var(--green); border-radius: 99px; padding: 0 8px; margin-top: 8px; }

.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 12px; }
button {
  font: 22px/1 var(--mono); padding: 8px 18px; border-radius: 8px; cursor: pointer;
  background: transparent; color: var(--green); border: 1px solid var(--green-dim);
}
button.primary { background: var(--green); color: #031a08; border-color: var(--green); }
button:disabled { opacity: .4; cursor: default; }
button:focus-visible, .model:focus-visible, input:focus-visible, .screen:focus-visible, summary:focus-visible {
  outline: 2px solid var(--green); outline-offset: 2px;
}
.muted { color: var(--muted); }
.small { font-size: 14px; }

.bar { height: 8px; background: var(--line); border-radius: 99px; margin-top: 10px; overflow: hidden; }
.bar div { height: 100%; width: 0; background: var(--green); transition: width .15s; }

.disabled { opacity: .45; pointer-events: none; }
.tabs { display: flex; gap: 8px; margin-bottom: 10px; }
.tabs [aria-selected="true"] { background: var(--green); color: #031a08; }

.screen {
  position: relative; min-height: 260px; max-height: 60vh; overflow-y: auto;
  background: radial-gradient(ellipse at center, #0d2a14 0%, #020a03 75%);
  border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px;
  font: 22px/1.35 var(--mono); color: var(--green); white-space: pre-wrap; word-break: break-word;
  text-shadow: 0 0 6px #33ff6655;
}
.screen:empty::before { content: attr(data-placeholder); color: var(--muted); text-shadow: none; }
.screen .gen { color: var(--gen); }
#output { outline: none; }

.chatlog { display: flex; flex-direction: column; gap: 10px; white-space: normal; }
.msg { max-width: 85%; padding: 6px 12px; border-radius: 10px; white-space: pre-wrap; }
.msg.user { align-self: flex-end; background: #133a1d; color: var(--text); }
.msg.bot { align-self: flex-start; border: 1px solid var(--line); }
#chatInput {
  flex: 1; min-width: 0; font: 22px var(--mono); padding: 8px 12px; border-radius: 8px;
  background: var(--panel); color: var(--text); border: 1px solid var(--line);
}

.settings { margin-top: 16px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 10px 16px; }
.settings summary { cursor: pointer; font: 22px var(--mono); color: var(--green); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px 24px; margin: 12px 0 6px; }
.grid label { display: flex; flex-wrap: wrap; justify-content: space-between; font-size: 15px; }
.grid input { width: 100%; accent-color: var(--green); margin: 6px 0 2px; }
.grid small { color: var(--muted); font-size: 13px; }

.how ul { color: var(--muted); padding-left: 20px; }
.how { padding-bottom: 48px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

@media (max-width: 560px) {
  .hero { flex-direction: column; align-items: flex-start; padding-top: 24px; }
  h1 { font-size: 52px; }
  .screen { font-size: 20px; }
}