:root {
  --bg: #d5dee7;
  --card: #fff;
  --ink: #0f2837;
  --muted: #5a6b78;
  --accent: #0f8f86;
  --danger: #b91c1c;
  --ok: #0f766e;
  --border: rgba(15, 40, 55, 0.12);
  --font: "Segoe UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(800px 400px at 10% 0%, rgba(15, 143, 134, 0.12), transparent 55%),
    linear-gradient(160deg, #d5dee7, #c9d5e1);
  min-height: 100vh;
}
.wrap { width: min(960px, calc(100% - 2rem)); margin: 0 auto; }
.top {
  background: rgba(220, 228, 236, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
  flex-wrap: wrap;
}
.brand strong { display: block; font-size: 1.05rem; }
.brand span { color: var(--muted); font-size: 0.82rem; }
nav { display: flex; gap: 0.85rem; flex-wrap: wrap; }
nav a { color: var(--ink); text-decoration: none; font-weight: 600; font-size: 0.92rem; }
nav a:hover { color: var(--accent); }
main.wrap { padding: 1.5rem 0 2.5rem; }
h1 { margin: 0 0 0.75rem; font-size: 1.55rem; }
h2 { margin: 0 0 0.65rem; font-size: 1.1rem; }
.muted { color: var(--muted); }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.15rem 1.2rem;
  box-shadow: 0 10px 24px rgba(21, 36, 51, 0.08);
  margin-bottom: 1rem;
}
.narrow { max-width: 420px; margin: 2rem auto; }
.form label { display: flex; flex-direction: column; gap: 0.3rem; margin-bottom: 0.75rem; font-size: 0.88rem; color: var(--muted); }
.form input, .form select {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
  font: inherit;
  color: var(--ink);
}
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff !important;
  border: 0;
  border-radius: 10px;
  padding: 0.7rem 1rem;
  font-weight: 650;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { filter: brightness(1.05); }
.flash { padding: 0.7rem 0.85rem; border-radius: 10px; margin-bottom: 1rem; }
.flash.ok { background: rgba(15, 118, 110, 0.1); border: 1px solid rgba(15, 118, 110, 0.25); color: var(--ok); }
.flash.err { background: rgba(185, 28, 28, 0.08); border: 1px solid rgba(185, 28, 28, 0.25); color: var(--danger); }
.ok { color: var(--ok); font-weight: 650; }
.err { color: var(--danger); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 720px) { .grid2 { grid-template-columns: 1fr; } }
.tbl { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.tbl th, .tbl td { text-align: left; padding: 0.55rem 0.35rem; border-bottom: 1px solid var(--border); }
.tbl code { font-size: 0.8rem; }
.row3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; }
@media (max-width: 720px) { .row3 { grid-template-columns: 1fr; } }
.mods { display: grid; grid-template-columns: 1fr 1fr; gap: 0.35rem 1rem; }
@media (max-width: 720px) { .mods { grid-template-columns: 1fr; } }
.chk { flex-direction: row !important; align-items: center; gap: 0.45rem !important; color: var(--ink) !important; }
.chk em { color: var(--muted); font-size: 0.75rem; font-style: normal; }
.chk input { width: auto; }
fieldset { border: 1px solid var(--border); border-radius: 12px; margin: 0 0 1rem; padding: 0.75rem 1rem; }
legend { padding: 0 0.35rem; color: var(--muted); font-size: 0.85rem; }
.row { display: flex; gap: 0.75rem; align-items: end; flex-wrap: wrap; }
.code { margin: 0; white-space: pre-wrap; word-break: break-word; font-size: 0.82rem; }
.foot { color: var(--muted); font-size: 0.8rem; padding-bottom: 1.5rem; }