:root {
  --bg: #f3f5f7;
  --ink: #18212b;
  --muted: #5d6b7a;
  --card: #ffffff;
  --line: #d5dde6;
  --accent: #0f6e56;
  --accent-2: #184e77;
  --danger: #9b1c1c;
  --ok: #0f6e56;
  --font: "Source Sans 3", "Segoe UI", sans-serif;
  --display: "Fraunces", Georgia, serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1000px 420px at 0% -10%, #cfeadf 0%, transparent 55%),
    radial-gradient(900px 380px at 100% 0%, #d9e6f5 0%, transparent 50%),
    var(--bg);
  min-height: 100vh;
}
a { color: var(--accent-2); }
.site-header, .site-footer {
  max-width: 1100px; margin: 0 auto; padding: 1rem 1.25rem;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.brand {
  font-family: var(--display);
  font-size: 1.55rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
}
.nav { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.nav a, .nav button.linkish {
  text-decoration: none; color: var(--ink); background: none; border: 0;
  font: inherit; cursor: pointer; padding: 0;
}
main { max-width: 1100px; margin: 0 auto; padding: 0 1.25rem 3rem; }
h1, h2, h3 { font-family: var(--display); font-weight: 650; }
.flash {
  padding: .85rem 1rem; border-radius: 10px; margin-bottom: 1rem;
  border: 1px solid var(--line); background: #fff;
}
.flash.success { border-color: #9ad4b5; background: #eaf7f0; }
.flash.error { border-color: #f0b4b4; background: #fdecec; color: var(--danger); }
.panel, .card-list article {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.1rem 1.25rem;
  margin-bottom: 1rem;
}
.grid { display: grid; gap: 1rem; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
label { display: block; font-weight: 600; margin: .7rem 0 .3rem; }
input[type="text"], input[type="email"], input[type="password"], input[type="number"],
select, textarea {
  width: 100%; padding: .65rem .75rem; border: 1px solid var(--line);
  border-radius: 8px; font: inherit; background: #fff;
}
textarea { min-height: 100px; }
.btn {
  display: inline-block; border: 0; border-radius: 8px; padding: .65rem 1rem;
  font: inherit; font-weight: 650; cursor: pointer; text-decoration: none;
  background: var(--accent); color: #fff;
}
.btn.secondary { background: #e7eef6; color: var(--ink); }
.btn.danger { background: var(--danger); }
.btn.small { padding: .4rem .7rem; font-size: .92rem; }
.actions { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: .9rem; }
.muted { color: var(--muted); }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: .55rem .4rem; border-bottom: 1px solid var(--line); }
.option-row { display: grid; grid-template-columns: 1fr auto; gap: .5rem; align-items: center; margin: .35rem 0; }
.block-type {
  display: inline-block; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em;
  background: #e8f2ec; color: var(--accent); padding: .15rem .45rem; border-radius: 999px;
}
.auth-box { max-width: 420px; margin: 3rem auto; }
@media (max-width: 640px) {
  .site-header { flex-direction: column; align-items: flex-start; }
}