:root {
  --bg: #fbfaf7;
  --fg: #1d1f21;
  --muted: #5f6368;
  --line: #e2dfd8;
  --card: #ffffff;
  --code-bg: #f2f0ea;
  --accent: #0f6b4f;
  --critical: #b3261e;
  --high: #c2410c;
  --medium: #a16207;
  --low: #4b5563;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a;
    --fg: #e8e6e1;
    --muted: #a0a4a8;
    --line: #2c3036;
    --card: #1c1f23;
    --code-bg: #23272c;
    --accent: #5cc4a0;
    --critical: #f28b82;
    --high: #fdab71;
    --medium: #e8c25a;
    --low: #b0b6bd;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
}

.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }

header.wrap { padding-top: 48px; }
.brand { font-weight: 700; letter-spacing: .02em; color: var(--accent); margin: 0 0 12px; }
h1 { font-size: clamp(1.7rem, 4.5vw, 2.4rem); line-height: 1.2; margin: 0 0 16px; }
.lead { font-size: 1.1rem; color: var(--muted); margin: 0 0 16px; }
.promises { display: flex; flex-wrap: wrap; gap: 8px 20px; padding: 0; margin: 0 0 40px; list-style: none; font-size: .95rem; }
.promises li::before { content: "✓ "; color: var(--accent); font-weight: 700; }

h2 { font-size: 1.25rem; margin: 0 0 8px; }
h2 span {
  display: inline-grid; place-items: center; width: 1.6em; height: 1.6em; margin-right: 6px;
  border-radius: 50%; background: var(--accent); color: var(--bg); font-size: .85em;
}
.step { padding: 24px 0; border-top: 1px solid var(--line); }
.step p { margin: 0 0 12px; }

code, pre, textarea { font: 14px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
code { background: var(--code-bg); padding: 1px 5px; border-radius: 4px; }
pre {
  margin: 0; padding: 14px; overflow: auto; max-height: 260px;
  background: var(--code-bg); border-radius: 8px; white-space: pre;
}
.code { position: relative; }
.code .btn { position: absolute; top: 8px; right: 8px; }
.code pre { padding-top: 52px; }

textarea {
  width: 100%; padding: 12px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--card); color: var(--fg); resize: vertical;
}

.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 12px; }
.btn {
  font: inherit; font-size: .95rem; padding: 8px 14px; cursor: pointer;
  border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--fg);
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--bg); font-weight: 600; }
.btn.link { border: 0; background: none; color: var(--accent); text-decoration: underline; padding: 8px 0; }

.error { color: var(--critical); font-weight: 600; }
.muted { color: var(--muted); }

#results { padding: 24px 0; border-top: 1px solid var(--line); }

.finding {
  margin: 16px 0; padding: 16px; background: var(--card);
  border: 1px solid var(--line); border-left: 5px solid var(--low); border-radius: 8px;
}
.finding.critical { border-left-color: var(--critical); }
.finding.high { border-left-color: var(--high); }
.finding.medium { border-left-color: var(--medium); }
.finding header { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.finding h3 { margin: 0; font-size: 1.05rem; overflow-wrap: anywhere; }
.sev { text-transform: uppercase; font-size: .75rem; font-weight: 700; letter-spacing: .05em; color: var(--low); }
.critical .sev { color: var(--critical); }
.high .sev { color: var(--high); }
.medium .sev { color: var(--medium); }
.detail { margin: 8px 0; overflow-wrap: anywhere; }
.advisor { margin: 0 0 8px; font-size: .9rem; color: var(--muted); }
.fix { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.sql { width: 100%; }
.sql summary { cursor: pointer; color: var(--accent); font-size: .95rem; }
.sql pre { margin-top: 8px; }

.monitor { margin-top: 24px; padding: 16px; border: 1px dashed var(--accent); border-radius: 8px; }
.monitor h3 { margin: 0 0 4px; }
.monitor p { margin: 0; }

.about { padding: 32px 0; border-top: 1px solid var(--line); }
.about h2 { margin-top: 16px; }
dt { font-weight: 600; margin-top: 16px; }
dd { margin: 4px 0 0; color: var(--muted); }

footer { padding: 24px 16px 48px; border-top: 1px solid var(--line); font-size: .9rem; }
a { color: var(--accent); }

.topnav { display: flex; align-items: baseline; gap: 20px; padding-top: 20px; }
.topnav .brand { margin: 0; text-decoration: none; }
.topnav a:not(.brand) { color: var(--muted); }
header.wrap { padding-top: 28px; }

.article { padding-top: 24px; padding-bottom: 40px; }
.article h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); }
.article h1 code { font-size: .85em; }
.article h2 { margin-top: 36px; }
.article pre { margin: 12px 0 16px; max-height: none; }
.article pre.wrap-text { white-space: pre-wrap; }
.article ul { padding-left: 22px; }
.cta { margin-top: 32px; }
.cta .btn { display: inline-block; text-decoration: none; }
.guide-list { padding-left: 20px; }
.guide-list li { margin: 12px 0; }
.guide-list p { margin: 4px 0 0; }