:root {
  --bg: #0e1116; --panel: #161b22; --panel2: #1c232c; --line: #2b3440;
  --fg: #dfe6ee; --dim: #8b98a8; --accent: #4ea1ff; --ok: #3fb950; --warn: #d29922; --err: #f85149;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg); color: var(--fg);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  display: flex; flex-direction: column;
}
header {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 18px; border-bottom: 1px solid var(--line); background: var(--panel);
  flex-wrap: wrap;
}
header h1 { font-size: 15px; margin: 0; font-weight: 600; letter-spacing: .2px; }
header .tag {
  font: 11px/1 var(--mono); color: var(--dim); border: 1px solid var(--line);
  padding: 4px 7px; border-radius: 4px;
}
header .spacer { flex: 1; }
main { flex: 1; display: grid; grid-template-columns: 330px 1fr; min-height: 0; }
aside { border-right: 1px solid var(--line); padding: 16px; overflow-y: auto; background: var(--panel); }
section.out { display: flex; flex-direction: column; min-height: 0; }

label.field { display: block; font-size: 12px; color: var(--dim); margin: 14px 0 5px; text-transform: uppercase; letter-spacing: .6px; }
select, input[type=text], input[type=password], input[type=number], textarea {
  width: 100%; background: var(--panel2); color: var(--fg); border: 1px solid var(--line);
  border-radius: 6px; padding: 8px 10px; font-size: 14px; font-family: inherit;
}
textarea { resize: vertical; font-family: var(--mono); font-size: 13px; line-height: 1.55; }
select:focus, input:focus, textarea:focus { outline: none; border-color: var(--accent); }
.row { display: flex; gap: 8px; }
.row > * { flex: 1; min-width: 0; }
button {
  background: var(--accent); color: #05121f; border: 0; border-radius: 6px;
  padding: 9px 14px; font-size: 14px; font-weight: 600; cursor: pointer; font-family: inherit;
}
button:disabled { opacity: .5; cursor: not-allowed; }
button.ghost { background: transparent; color: var(--fg); border: 1px solid var(--line); font-weight: 500; }
.presets { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.presets button {
  background: var(--panel2); color: var(--dim); border: 1px solid var(--line);
  font-size: 12px; font-weight: 500; padding: 5px 8px; border-radius: 999px;
}
.presets button:hover { color: var(--fg); border-color: var(--accent); }

.banner {
  margin: 0; padding: 9px 18px; background: #241d08; color: #e3c168;
  border-bottom: 1px solid #3a2f10; font-size: 12.5px;
}
.banner b { color: #f0d78c; }

.outwrap { flex: 1; overflow-y: auto; padding: 22px 26px; }
.prompt-echo { color: var(--dim); font-family: var(--mono); font-size: 13px; white-space: pre-wrap; word-break: break-word; }
.gen {
  font-size: 16.5px; line-height: 1.75; white-space: pre-wrap; word-break: break-word;
  margin-top: 2px; color: #eaf1f8;
}
.cursor { display: inline-block; width: 8px; height: 17px; background: var(--accent); vertical-align: -3px; animation: blink .9s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.stats {
  display: flex; flex-wrap: wrap; gap: 16px; padding: 10px 26px; border-top: 1px solid var(--line);
  font: 12px/1.5 var(--mono); color: var(--dim); background: var(--panel);
}
.stats b { color: var(--fg); font-weight: 600; }
.err { color: var(--err); }
.ok { color: var(--ok); }
.hint { font-size: 12px; color: var(--dim); margin-top: 6px; line-height: 1.5; }

#gate {
  position: fixed; inset: 0; background: rgba(8, 11, 15, .96); display: flex;
  align-items: center; justify-content: center; z-index: 50;
}
#gate .card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 26px 28px; width: min(92vw, 420px);
}
#gate h2 { margin: 0 0 6px; font-size: 16px; }
#gate p { margin: 0 0 16px; font-size: 13px; color: var(--dim); }
#gateMsg { font-size: 13px; margin-top: 10px; min-height: 20px; }
.small { font-size: 12px; color: var(--dim); }
.kv { font: 11.5px/1.7 var(--mono); color: var(--dim); margin-top: 10px; }
.hidden { display: none !important; }
@media (max-width: 860px) {
  main { grid-template-columns: 1fr; }
  aside { border-right: 0; border-bottom: 1px solid var(--line); }
}