:root {
  --ink: #1c1915;
  --muted: #5e584f;
  --line: #ddd6c8;
  --paper: #f6f3ec;
  --card: #fffdf8;
  --teal: #164e4a;
  --teal-2: #0f3a37;
  --amber: #8a5a12;
  --red: #8d2b2b;
  --ok: #1d6b45;
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; }
button, input, textarea, select { font: inherit; color: inherit; }
button {
  background: var(--teal);
  color: white;
  border: 0;
  border-radius: 6px;
  padding: 0.45rem 0.75rem;
  cursor: pointer;
}
button:disabled { opacity: 0.45; cursor: not-allowed; }
button.ghost { background: transparent; color: var(--teal); border: 1px solid var(--line); }
button.warn { background: var(--red); }
h1 { font-size: 1.35rem; margin: 0; font-weight: 650; }
h2 { font-size: 1.15rem; margin: 0 0 0.75rem; }
p { line-height: 1.45; }
.eyebrow { margin: 0; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.72rem; color: var(--muted); }
.error { color: var(--red); }
.ok { color: var(--ok); }
.muted { color: var(--muted); }

.login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}
.login form, .card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.25rem;
}
.login form { width: min(26rem, 100%); }
.login h1 { margin: 0.2rem 0 0.6rem; }
.lede { color: var(--muted); }
label { display: block; margin: 0.75rem 0; font-size: 0.92rem; }
input, textarea, select {
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
}
textarea { min-height: 24rem; font-family: ui-monospace, "Cascadia Code", monospace; font-size: 0.82rem; }

header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 0.8rem 1rem;
  background: var(--teal-2);
  color: #f4f1ea;
}
header .eyebrow, header .lockline { color: #d5ddd6; }
.header-actions { display: flex; gap: 0.45rem; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.lockline { margin: 0; font-size: 0.85rem; max-width: 22rem; }
header button.ghost { color: #f4f1ea; border-color: #6e8f8b; }

.shell { display: grid; grid-template-columns: 16rem 1fr; min-height: calc(100vh - 4.6rem); }
nav { border-right: 1px solid var(--line); padding: 0.8rem; background: #efeae1; }
.search { font-size: 0.85rem; }
.navbtn {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  color: var(--ink);
  border-radius: 6px;
  padding: 0.35rem 0.45rem;
  margin: 0.12rem 0;
}
.navbtn.active { background: var(--teal); color: white; }
.navbtn small { display: block; color: var(--muted); font-size: 0.75rem; }
.navbtn.active small { color: #d7e4e2; }
.grouplabel { margin: 0.8rem 0 0.2rem; font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }

main { padding: 1rem 1.15rem 3rem; }
.stats { display: flex; gap: 0.6rem; flex-wrap: wrap; margin: 0.8rem 0 1rem; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 0.7rem 0.85rem; min-width: 8rem; }
.stat b { display: block; font-size: 1.2rem; }
table { width: 100%; border-collapse: collapse; background: var(--card); }
th, td { border-bottom: 1px solid var(--line); text-align: left; padding: 0.4rem 0.45rem; vertical-align: top; }
th { font-size: 0.78rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); }
tr.clickable { cursor: pointer; }
tr.clickable:hover { background: #f3efe6; }
.rowactions { display: flex; gap: 0.4rem; flex-wrap: wrap; margin: 0.8rem 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
.diff {
  background: #1c1915;
  color: #f3efe6;
  padding: 0.8rem;
  border-radius: 10px;
  overflow: auto;
  font-family: ui-monospace, monospace;
  font-size: 0.78rem;
  line-height: 1.4;
  white-space: pre;
}
.diff .add { color: #b6e3c4; }
.diff .del { color: #f0b4b4; }
.diff .meta { color: #9eb7d4; }
.banner {
  border: 1px solid #e2c07a;
  background: #fff7e8;
  color: var(--amber);
  border-radius: 8px;
  padding: 0.6rem 0.75rem;
  margin-bottom: 0.8rem;
}
.comment { color: var(--muted); font-family: ui-monospace, monospace; font-size: 0.82rem; white-space: pre-wrap; }

@media (max-width: 800px) {
  .shell { grid-template-columns: 1fr; }
  nav { border-right: 0; border-bottom: 1px solid var(--line); }
  .grid2 { grid-template-columns: 1fr; }
  header { align-items: flex-start; flex-direction: column; }
}