:root {
  --bg: #f4f4f0;
  --ink: #1c1c1a;
  --muted: #6b6b66;
  --rule: #dddcd4;
  --accent: #2f5d3a;
  --paper: #fff;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body {
  margin: 0;
  font: 15px/1.4 ui-sans-serif, system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
}
.shell {
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
#spin {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  background: rgba(247, 247, 244, 0.86);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}
#spin[hidden] { display: none; }
#spin span::after {
  content: "";
  display: inline-block;
  width: 0.7rem;
  height: 0.7rem;
  margin-left: 0.5rem;
  border: 2px solid var(--rule);
  border-top-color: var(--ink);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: -0.1rem;
}
@keyframes spin { to { transform: rotate(360deg); } }
header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 0.55rem 0.9rem;
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  flex: 0 0 auto;
}
.brand { display: flex; align-items: center; gap: 0.55rem; min-width: 0; }
.version-tag {
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  border: 1px solid var(--ink);
  padding: 0.05rem 0.35rem;
}
nav { display: flex; gap: 0.9rem; align-items: center; flex-wrap: wrap; }
nav form.inline { display: inline; margin: 0; }
.linkish {
  width: auto;
  padding: 0;
  border: 0;
  background: none;
  color: var(--accent);
  text-decoration: underline;
  cursor: pointer;
}
a { color: var(--accent); }
.muted { color: var(--muted); font-size: 0.85rem; }
.pin-on {
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 0.1rem 0.4rem;
}
.vendor-tag {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.08rem 0.45rem;
  border: 1px solid var(--ink);
}
.vendor-aws { border-color: #c45500; color: #c45500; }
.vendor-k8s { border-color: #326ce5; color: #326ce5; }
.vendor-azure { border-color: #0078d4; color: #0078d4; }
.vendor-gcp { border-color: #188038; color: #188038; }
.vendor-multi { border-color: var(--ink); color: var(--ink); }
.vendors { gap: 0.35rem; }
.vendor-chip {
  font-size: 0.8rem;
  padding: 0.15rem 0.5rem;
  border: 1px solid var(--rule);
  color: var(--ink);
  text-decoration: none;
}
.vendor-chip.on {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}
.families {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}
.family-chip {
  font-size: 0.72rem;
  padding: 0.12rem 0.4rem;
  border: 1px solid var(--rule);
  color: var(--ink);
  text-decoration: none;
}
.family-chip.on {
  border-color: var(--ink);
  background: var(--bg);
}
.stage {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(18rem, 22rem) 1fr;
  grid-template-rows: minmax(0, 1fr);
}
.essay {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 0.85rem 0.9rem 0.9rem;
  border-right: 1px solid var(--rule);
  background: var(--paper);
  overflow: hidden;
  min-width: 0;
  min-height: 0;
}
.lede { margin: 0; color: var(--muted); font-size: 0.9rem; }
.objective { flex: 0 0 auto; }
.objective h2 {
  margin: 0 0 0.25rem;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
}
.objective p { margin: 0; font-size: 0.9rem; }
.essay form {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  gap: 0.55rem;
}
.essay label { display: flex; flex-direction: column; gap: 0.3rem; }
.field-writeup {
  flex: 1 1 auto;
  min-height: 4rem;
  overflow: hidden;
}
.essay button { flex: 0 0 auto; }
.essay .privacy { flex: 0 0 auto; margin: 0; font-size: 0.72rem; line-height: 1.3; }
#result { flex: 1 1 auto; min-height: 0; overflow: auto; }
textarea {
  flex: 1 1 auto;
  min-height: 3rem;
  height: 100%;
  resize: none;
  overflow: auto;
}
.rail-links { margin: 0; font-size: 0.85rem; }
.rail-links a { margin-right: 0.8rem; }
dialog.sheet {
  width: min(34rem, 92vw);
  max-height: 85vh;
  overflow: auto;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink);
  padding: 1rem 1.1rem;
  font-size: 0.9rem;
}
dialog.sheet::backdrop { background: rgba(28, 28, 26, 0.35); }
dialog.sheet h2 { margin: 0 0 0.5rem; font-size: 1rem; }
dialog.sheet p { margin: 0.5rem 0; }
dialog.sheet form { margin-top: 0.8rem; }
dialog.sheet .brief { max-height: 60vh; }
#result details { margin: 0.35rem 0; font-size: 0.78rem; }
#result details pre { margin: 0.3rem 0 0; max-height: 6rem; }
iframe {
  width: 100%;
  height: 100%;
  border: 0;
  background: #fff;
  min-width: 0;
}
input, textarea, button {
  font: inherit;
  width: 100%;
  padding: 0.45rem 0.5rem;
  border: 1px solid var(--rule);
  background: #fff;
}
button {
  width: auto;
  align-self: start;
  background: var(--ink);
  color: #fff;
  cursor: pointer;
  border: 0;
  padding: 0.5rem 0.9rem;
}
button:disabled { opacity: 0.6; cursor: default; }
pre, #result {
  white-space: pre-wrap;
  background: var(--bg);
  border: 1px solid var(--rule);
  padding: 0.6rem;
  font-size: 0.82rem;
  overflow: auto;
}
pre { max-height: 10rem; }
#result { white-space: normal; }
#result h3 { margin: 0 0 0.35rem; font-size: 0.95rem; }
#result > p { margin: 0.5rem 0; }
#result .linkish { display: inline-block; margin-top: 0.4rem; padding: 0; }
.brief { max-height: 12rem; overflow: auto; margin: 0.4rem 0 0; }
.row { display: flex; justify-content: space-between; gap: 0.5rem; }
.hit { color: var(--accent); }
.miss { color: #8b1e1e; }
.review { color: #8a5a00; }
.verdict {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.1rem 0.45rem;
  border: 1px solid currentColor;
}
.verdict-rows {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin: 0.55rem 0;
}
.verdict-row {
  display: grid;
  grid-template-columns: 5.5rem 1fr 2.6rem;
  gap: 0.15rem 0.5rem;
  align-items: center;
  font-size: 0.8rem;
}
.verdict-row .mono { grid-column: 2 / -1; font-size: 0.72rem; overflow-wrap: anywhere; }
.verdict-label { color: var(--muted); }
.meter { height: 6px; background: var(--rule); }
.meter i { display: block; height: 100%; background: #8b1e1e; }
.meter.green i { background: var(--accent); }
.mono { font-family: ui-monospace, Menlo, Consolas, monospace; }
.gate { min-height: 100vh; display: grid; place-items: center; }
.card { width: min(22rem, 92vw); }
.err { color: #8b1e1e; }
@media (max-width: 900px) {
  .shell { overflow: auto; height: auto; min-height: 100%; }
  .stage { grid-template-columns: 1fr; height: auto; }
  iframe { height: 70vh; }
  .essay { border-right: 0; border-bottom: 1px solid var(--rule); }
}