:root {
  --bg: #0b0d10;
  --panel: #14171c;
  --panel-2: #1a1e24;
  --border: #262b33;
  --text: #e6e9ee;
  --muted: #9aa3af;
  --accent: #34d399;
  --accent-dim: #1f8f6b;
  --danger: #f87171;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  font-size: 15px;
}

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

.site-header { border-bottom: 1px solid var(--border); padding: 40px 0 28px; }
.site-header h1 { margin: 0; font-size: 28px; letter-spacing: -0.02em; }
.tagline { margin: 6px 0 0; color: var(--muted); }
.repo-link {
  display: inline-block; margin-top: 14px; color: var(--accent);
  text-decoration: none; font-size: 14px; border-bottom: 1px solid transparent;
}
.repo-link:hover, .repo-link:focus-visible { border-bottom-color: var(--accent); }

.layout { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; padding-top: 28px; padding-bottom: 40px; }
@media (max-width: 860px) { .layout { grid-template-columns: 1fr; } }
.col { display: flex; flex-direction: column; gap: 24px; }

.card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.card h2 { margin: 0 0 4px; font-size: 16px; letter-spacing: -0.01em; }
.hint { margin: 0 0 14px; color: var(--muted); font-size: 13px; }
.hint.subtle { margin-top: 12px; margin-bottom: 0; font-size: 12px; }

textarea, input[type="text"], input[type="password"] {
  width: 100%; background: var(--panel-2); border: 1px solid var(--border);
  color: var(--text); border-radius: 8px; padding: 10px 12px; font-size: 14px;
  font-family: inherit; resize: vertical;
}
textarea:focus, input:focus { outline: none; border-color: var(--accent-dim); }

.field { display: block; margin-bottom: 12px; }
.field span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 5px; font-family: var(--mono); }

.checkbox { display: flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; }
.checkbox input { accent-color: var(--accent); width: 16px; height: 16px; }

.row { display: flex; gap: 10px; align-items: center; margin-top: 12px; flex-wrap: wrap; }
.row input[type="text"] { flex: 1; min-width: 0; }

button, .file-button {
  font-family: inherit; font-size: 14px; border-radius: 8px; padding: 9px 16px;
  cursor: pointer; border: 1px solid var(--border); transition: background .15s, border-color .15s;
}
button:active { transform: scale(0.98); }
.primary { background: var(--accent); border-color: var(--accent); color: #06281d; font-weight: 600; }
.primary:hover { background: #43e0a8; }
.primary:disabled { background: var(--accent-dim); border-color: var(--accent-dim); cursor: progress; opacity: .8; }
.ghost { background: transparent; color: var(--muted); }
.ghost:hover { color: var(--text); border-color: var(--muted); }
.file-button { background: var(--panel-2); color: var(--text); display: inline-flex; align-items: center; }
.file-button:hover { border-color: var(--muted); }

.status { margin: 14px 0 0; font-size: 13px; color: var(--muted); font-family: var(--mono); }
.status.ok { color: var(--accent); }
.status.err { color: var(--danger); }

.answer { margin-top: 16px; min-height: 8px; font-size: 15px; }
.answer:empty { display: none; }
.answer p { margin: 0 0 12px; }
.answer code { background: var(--panel-2); padding: 1px 5px; border-radius: 4px; font-family: var(--mono); font-size: 13px; }
.answer ul { margin: 0 0 12px; padding-left: 20px; }
.answer .cite {
  display: inline-block; min-width: 18px; text-align: center; font-size: 11px;
  font-family: var(--mono); color: var(--accent); border: 1px solid var(--accent-dim);
  border-radius: 4px; padding: 0 4px; margin: 0 1px; cursor: pointer; vertical-align: baseline;
}
.answer .cursor { display: inline-block; width: 7px; height: 15px; background: var(--accent); margin-left: 2px; animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

.trace-summary { font-size: 13px; color: var(--muted); font-family: var(--mono); margin: 0 0 14px; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 500; font-family: var(--mono); font-size: 12px; }
td.preview { white-space: normal; color: var(--muted); max-width: 320px; }
td.num { font-family: var(--mono); text-align: right; }
tr.selected td { background: rgba(52, 211, 153, 0.07); }
tr.selected td:first-child { box-shadow: inset 2px 0 0 var(--accent); }
.muted-cell { color: #4b525c; }
mark.hit { background: rgba(52, 211, 153, 0.25); color: var(--text); border-radius: 3px; padding: 0 2px; }

.site-footer { border-top: 1px solid var(--border); padding: 20px 24px 40px; color: var(--muted); font-size: 13px; }