:root {
  --bg: #f4f1ea;
  --card: #fffdf8;
  --ink: #1f2a24;
  --muted: #5c6b63;
  --line: #d9d2c5;
  --accent: #1f6b4a;
  --accent-2: #c45c26;
  --danger: #a33b2b;
  --ok: #1f6b4a;
  --shadow: 0 8px 24px rgba(31, 42, 36, 0.06);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Noto Sans CJK SC", "Noto Sans SC", "Source Han Sans SC", "WenQuanYi Micro Hei", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.layout { display: flex; min-height: 100vh; }
.nav {
  width: 220px;
  background: #17352b;
  color: #e8efe9;
  padding: 22px 16px;
}
.nav h1 { font-size: 16px; margin: 0 0 18px; letter-spacing: 0.04em; }
.nav a { display: block; color: #d5e4da; padding: 8px 10px; border-radius: 8px; }
.nav a.active, .nav a:hover { background: #245544; text-decoration: none; }
.main { flex: 1; padding: 24px 28px 48px; overflow-x: auto; }
.top { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 18px; }
h2 { margin: 0 0 12px; font-size: 22px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  box-shadow: var(--shadow);
}
.card .k { color: var(--muted); font-size: 12px; }
.card .v { font-size: 26px; font-weight: 650; margin-top: 6px; }
.note { color: var(--muted); font-size: 13px; }
table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 12px; overflow: hidden; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); font-size: 13px; vertical-align: top; }
th { background: #efe8dc; font-weight: 600; }
.btn, button, input[type=submit] {
  background: var(--accent);
  color: white;
  border: 0;
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
  font-size: 13px;
}
.btn.secondary { background: #4d5d56; }
.btn.danger { background: var(--danger); }
.flash {
  background: #fff4d6;
  border: 1px solid #e2c56b;
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 14px;
}
.flash.error { background: #f8e4e0; border-color: #d9a398; }
.flash.ok { background: #e5f4ec; border-color: #9cc9b1; }
.token-once {
  font-family: ui-monospace, monospace;
  background: #1f2a24;
  color: #f4f1ea;
  padding: 12px;
  border-radius: 10px;
  word-break: break-all;
}
form.inline { display: inline; }
input[type=text], input[type=password], input[type=date], select {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
}
.login-wrap { max-width: 380px; margin: 10vh auto; }
pre.convo { white-space: pre-wrap; background: #1f2a24; color: #f4f1ea; padding: 12px; border-radius: 10px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; align-items: end; }
@media (max-width: 800px) {
  .layout { display: block; }
  .nav { width: auto; display: flex; flex-wrap: wrap; gap: 6px; }
  .nav a { display: inline-block; }
  table { font-size: 12px; }
}