:root {
  --bg: #f4f1ea;
  --paper: #fffdf8;
  --ink: #1c1a16;
  --muted: #5c574e;
  --line: #d9d2c5;
  --accent: #8b3d2f;
  --accent-dark: #6e2e23;
  --ok: #2f4a3c;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", "PT Sans", Georgia, serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  min-height: 100vh;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  background: #2b2824;
  color: #f4f1ea;
}
.brand a { color: #f4f1ea; text-decoration: none; font-weight: 650; letter-spacing: 0.02em; }
.who { display: flex; gap: 16px; align-items: center; font-size: 14px; color: #cfc8bb; }
.out { color: #f4f1ea; }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 10px 24px;
  background: #ebe6dc;
  border-bottom: 1px solid var(--line);
}
.nav a {
  color: var(--ink);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 15px;
}
.nav a.is-on, .nav a:hover { background: #fffdf8; }

.main { max-width: 920px; margin: 0 auto; padding: 28px 20px 64px; }
.foot { text-align: center; color: var(--muted); font-size: 13px; padding: 24px; }

.gate {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.card {
  width: min(420px, 100%);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 32px 28px;
}
.card h1 { margin: 0 0 8px; font-size: 22px; font-weight: 650; }
.card p.lead { color: var(--muted); margin: 0 0 24px; font-size: 15px; }
label { display: block; font-size: 13px; margin-bottom: 6px; color: var(--muted); }
input[type="password"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 16px;
  margin-bottom: 16px;
}
button, .btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: 0;
  padding: 10px 16px;
  font-size: 15px;
  cursor: pointer;
  text-decoration: none;
}
button:hover, .btn:hover { background: var(--accent-dark); }
.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  margin-left: 8px;
}

.err { color: var(--accent); background: #f8ece9; padding: 10px 12px; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin: 20px 0 28px; }
.stat { background: var(--paper); border: 1px solid var(--line); padding: 14px 16px; }
.stat b { display: block; font-size: 20px; font-weight: 650; }
.stat span { color: var(--muted); font-size: 13px; }

.prose h1 { font-size: 28px; line-height: 1.25; margin: 0 0 12px; }
.prose h2 { font-size: 20px; margin: 32px 0 12px; border-top: 1px solid var(--line); padding-top: 20px; }
.prose h3 { font-size: 17px; margin: 24px 0 8px; }
.prose p, .prose li { font-size: 16px; }
.prose a { color: var(--accent-dark); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 28px 0; }
.prose pre, .plain {
  background: #2b2824;
  color: #f4f1ea;
  padding: 14px 16px;
  overflow: auto;
  font-size: 13px;
  white-space: pre-wrap;
}
.prose code { font-family: Consolas, "Courier New", monospace; font-size: 0.92em; }
.prose p code, .prose li code { background: #ebe6dc; padding: 1px 5px; }
.table-wrap { overflow-x: auto; margin: 16px 0 24px; }
.prose table { border-collapse: collapse; width: 100%; font-size: 14px; }
.prose th, .prose td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
.prose th { background: #ebe6dc; }

.file-list { list-style: none; padding: 0; margin: 0 0 32px; }
.file-list li { border-bottom: 1px solid var(--line); }
.file-list a { display: block; padding: 10px 0; color: var(--ink); text-decoration: none; }
.file-list a:hover { color: var(--accent); }
.note { color: var(--muted); font-size: 14px; }
.actions { margin: 20px 0 28px; }

@media (max-width: 640px) {
  .top { flex-direction: column; align-items: flex-start; }
  .main { padding: 20px 14px 48px; }
  .prose table { font-size: 13px; }
}