:root {
  --ink: #1c1915;
  --paper: #f3efe6;
  --card: #fffaf3;
  --line: #e2d8c8;
  --brass: #8d6740;
  --brass-deep: #6d4c2c;
  --quiet: #6f675e;
  --danger: #8d3b32;
  --ok: #2f6b4f;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background:
    radial-gradient(1200px 400px at 10% -10%, #efe4d2 0%, transparent 55%),
    var(--paper);
  color: var(--ink);
  font: 16px/1.45 Georgia, "Iowan Old Style", "Palatino Linotype", serif;
}
.shell { max-width: 1100px; margin: 0 auto; padding: 28px 20px 64px; }
.top { display: flex; gap: 18px; align-items: center; margin-bottom: 28px; flex-wrap: wrap; }
.brand { color: var(--ink); text-decoration: none; font-size: 22px; letter-spacing: -0.03em; }
.brand span { color: var(--brass); }
nav { display: flex; gap: 14px; flex: 1; }
nav a { color: var(--ink); text-decoration: none; font-family: "Segoe UI", sans-serif; font-size: 14px; }
nav a:hover { color: var(--brass-deep); }
h1 { font-weight: 500; letter-spacing: -0.03em; margin: 0 0 8px; font-size: 36px; }
.quiet { color: var(--quiet); margin-top: 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin: 20px 0; }
.card, .panel, form.stack, table { background: var(--card); border: 1px solid var(--line); border-radius: 16px; }
.card { padding: 16px 18px; }
.card b { display: block; font-size: 28px; font-family: "Segoe UI", sans-serif; }
.panel { padding: 16px; margin: 16px 0; }
table { width: 100%; border-collapse: collapse; overflow: hidden; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; font-size: 15px; }
th { font-family: "Segoe UI", sans-serif; font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--quiet); }
input, select, button, textarea {
  font: 15px/1.3 "Segoe UI", sans-serif;
  border-radius: 10px;
  border: 1px solid var(--line);
  padding: 9px 11px;
  background: white;
  color: var(--ink);
}
button, .button {
  background: var(--ink);
  color: var(--paper);
  border: 0;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
button.ghost, a.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
button.danger { background: var(--danger); }
.stack { display: grid; gap: 10px; padding: 16px; margin: 12px 0 20px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.notice { background: #efe2c6; border-radius: 12px; padding: 10px 12px; }
.login { max-width: 420px; margin: 8vh auto; }
.tag { font-family: "Segoe UI", sans-serif; font-size: 12px; border-radius: 999px; padding: 2px 8px; background: #efe6d8; }
.tag.ok { background: #e5f2ea; color: var(--ok); }
.tag.warn { background: #f8e6e3; color: var(--danger); }
a { color: var(--brass-deep); }
code { font-family: ui-monospace, monospace; font-size: 12px; word-break: break-all; }