:root {
  --bg: #0f1419;
  --panel: #1a212b;
  --panel2: #222c38;
  --text: #e6edf3;
  --muted: #8b98a5;
  --accent: #2f81f7;
  --accent2: #1f6feb;
  --ok: #3fb950;
  --warn: #d29922;
  --bad: #f85149;
  --border: #30363d;
}
* { box-sizing: border-box; }
/* The hidden attribute must always win over display rules below
   (.view{display:block}, .feedback{display:flex} would otherwise override it). */
[hidden] { display: none !important; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; border-bottom: 1px solid var(--border); background: var(--panel);
}
.brand h1 { margin: 0; font-size: 22px; letter-spacing: .5px; }
.tagline { color: var(--muted); font-size: 13px; }
.health { font-size: 13px; padding: 4px 10px; border-radius: 12px; background: var(--panel2); color: var(--muted); }
.health.ok { color: var(--ok); }
.health.degraded { color: var(--warn); }
.health.bad { color: var(--bad); }

.tabs { display: flex; gap: 4px; padding: 12px 24px 0; }
.tab {
  background: none; border: 1px solid var(--border); border-bottom: none;
  color: var(--muted); padding: 8px 18px; border-radius: 8px 8px 0 0; cursor: pointer; font-size: 14px;
}
.tab.active { background: var(--panel); color: var(--text); border-color: var(--accent); }

main { padding: 20px 24px 60px; max-width: 980px; margin: 0 auto; }
.panel { display: none; }
.panel.active { display: block; }
.hint { color: var(--muted); font-size: 14px; margin: 4px 0 12px; }

input[type=text], textarea {
  width: 100%; padding: 12px 14px; background: var(--panel); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px; font-size: 15px; font-family: inherit;
}
textarea { resize: vertical; }
.go {
  margin-top: 12px; background: var(--accent2); color: #fff; border: none;
  padding: 10px 22px; border-radius: 8px; font-size: 15px; cursor: pointer;
}
.go:hover { background: var(--accent); }
.go:disabled { opacity: .5; cursor: progress; }

.status { margin-top: 18px; color: var(--muted); font-size: 14px; }
.result { margin-top: 18px; }

.answer { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 18px; white-space: pre-wrap; }
.draft-banner {
  background: #3d1d1d; border: 1px solid var(--bad); color: #ffb4ab;
  padding: 12px 16px; border-radius: 8px; font-weight: 600; margin-bottom: 14px;
}

.cites { margin-top: 16px; }
.cites h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .6px; color: var(--muted); margin: 0 0 8px; }
.cite {
  display: block; background: var(--panel2); border: 1px solid var(--border); border-left: 3px solid var(--accent);
  border-radius: 6px; padding: 10px 12px; margin-bottom: 8px; text-decoration: none; color: var(--text);
}
.cite:hover { border-left-color: var(--ok); }
.cite .label { font-weight: 600; font-size: 14px; }
.cite .score { color: var(--muted); font-size: 12px; float: right; }
.cite .snippet { color: var(--muted); font-size: 13px; margin-top: 4px; }

.topright { display: flex; align-items: center; gap: 12px; }
.whoami { color: var(--muted); font-size: 13px; }
.adminlink { color: var(--accent); font-size: 13px; text-decoration: none; }
.adminlink:hover { text-decoration: underline; }
.linkbtn { background: none; border: 1px solid var(--border); color: var(--muted); border-radius: 6px; padding: 4px 10px; cursor: pointer; font-size: 13px; }
.linkbtn:hover { color: var(--text); }

.view { display: block; }
.auth-card { max-width: 420px; margin: 60px auto 0; background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 28px; }
.auth-card h2 { margin: 0 0 14px; }
.auth-card input, .auth-card textarea { margin-bottom: 12px; }
.auth-card .go { width: 100%; }
.muted { color: var(--muted); font-size: 14px; }
.muted a { color: var(--accent); }
.err { color: var(--bad); font-size: 14px; }

.feedback { margin-top: 16px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; }
.fb-label { color: var(--muted); font-size: 14px; }
.fb-btn { background: var(--panel2); border: 1px solid var(--border); border-radius: 6px; padding: 4px 12px; cursor: pointer; font-size: 16px; }
.fb-btn:hover { border-color: var(--accent); }
.fb-btn:disabled { opacity: .5; }
#fb-comment { flex: 1; min-width: 180px; margin: 0; }
.fb-thanks { color: var(--ok); font-size: 14px; }

table.gap { width: 100%; border-collapse: collapse; margin-top: 8px; }
table.gap th, table.gap td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; font-size: 14px; vertical-align: top; }
table.gap th { background: var(--panel2); color: var(--muted); }
.cov-No { color: var(--bad); font-weight: 600; }
.cov-Partial { color: var(--warn); font-weight: 600; }
.cov-Yes { color: var(--ok); font-weight: 600; }