:root {
  --bg: #f4f1ea;
  --card: #ffffff;
  --ink: #23291f;
  --muted: #6b7266;
  --line: #ddd8cb;
  --accent: #3f5d34;
  --accent-ink: #ffffff;
  --ok: #2f7a3e;
  --ok-bg: #e3f1e5;
  --warn: #8a5a00;
  --warn-bg: #fbefd2;
  --bad: #a3322b;
  --bad-bg: #f8e1de;
  --gray-bg: #ebe9e2;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161a14;
    --card: #1f251c;
    --ink: #e8eadf;
    --muted: #9aa38f;
    --line: #333b2e;
    --accent: #8fb37f;
    --accent-ink: #11160f;
    --ok: #8fd19e;
    --ok-bg: #20371f;
    --warn: #f0c36a;
    --warn-bg: #3b3017;
    --bad: #f0958d;
    --bad-bg: #3d1f1c;
    --gray-bg: #2a3025;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 960px; margin: 0 auto; padding: 16px; }
header.top { padding: 28px 16px 8px; max-width: 960px; margin: 0 auto; }
header.top h1 { margin: 0 0 4px; font-size: 1.8rem; letter-spacing: -0.01em; }
header.top p { margin: 0; color: var(--muted); }
h2 { font-size: 1.15rem; margin: 0 0 12px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 16px;
}
.grid { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 800px) { .grid.two { grid-template-columns: 1.3fr 1fr; align-items: start; } }
label { display: block; font-size: 0.85rem; font-weight: 600; margin: 12px 0 4px; }
input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
}
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
textarea { min-height: 70px; resize: vertical; }
.row { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; }
.row3 { display: grid; gap: 12px; grid-template-columns: 1fr 1fr 1fr; }
@media (max-width: 480px) { .row3 { grid-template-columns: 1fr; } }
button, .btn {
  display: inline-block;
  padding: 10px 16px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 8px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
button.secondary { background: transparent; color: var(--accent); }
button.danger { background: transparent; color: var(--bad); border-color: var(--bad); }
button.small { padding: 4px 10px; font-size: 0.85rem; }
button:disabled { opacity: 0.5; cursor: default; }
.actions { margin-top: 16px; display: flex; gap: 8px; flex-wrap: wrap; }
.msg { margin-top: 12px; padding: 10px 12px; border-radius: 8px; font-size: 0.95rem; }
.msg.error { background: var(--bad-bg); color: var(--bad); }
.msg.ok { background: var(--ok-bg); color: var(--ok); }
.hint { color: var(--muted); font-size: 0.85rem; }
.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 99px;
  font-size: 0.78rem;
  font-weight: 700;
  background: var(--gray-bg);
  white-space: nowrap;
}
.badge.approved { background: var(--ok-bg); color: var(--ok); }
.badge.pending { background: var(--warn-bg); color: var(--warn); }
.badge.contested { background: var(--bad-bg); color: var(--bad); }
.badge.rejected, .badge.cancelled { background: var(--gray-bg); color: var(--muted); }
.cal-day { margin-bottom: 14px; }
.cal-day h3 { margin: 0 0 6px; font-size: 0.95rem; }
.slot { display: flex; justify-content: space-between; gap: 8px; padding: 6px 0; border-top: 1px solid var(--line); font-size: 0.95rem; }
.slot:first-of-type { border-top: 0; }
.code {
  font: 700 1.6rem/1 ui-monospace, Menlo, Consolas, monospace;
  letter-spacing: 0.15em;
  background: var(--gray-bg);
  padding: 8px 12px;
  border-radius: 8px;
  display: inline-block;
  margin: 6px 0;
}
.req { border: 1px solid var(--line); border-radius: 10px; padding: 12px; margin-top: 10px; }
.req .meta { color: var(--muted); font-size: 0.9rem; }
.rules { white-space: pre-wrap; }
/* admin */
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.tabs button { background: transparent; color: var(--ink); border-color: var(--line); }
.tabs button.active { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; margin-bottom: 12px; }
.toolbar > div { min-width: 150px; }
.toolbar label { margin-top: 0; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
td .btns { display: flex; gap: 6px; flex-wrap: wrap; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 16px; }
.topbar h1 { margin: 0; font-size: 1.4rem; }
.inline-check { display: flex; align-items: center; gap: 8px; margin-top: 12px; }
.inline-check input { width: auto; }
.inline-check label { margin: 0; font-weight: 500; }
.list-item { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--line); }
.login { max-width: 380px; margin: 60px auto; }

.admin-link { position: absolute; top: 12px; right: 12px; padding: 4px 10px; font-size: 0.85rem; background: transparent; color: var(--accent); }