:root {
  --amber: #f4a417;
  --amber-dark: #c97f00;
  --ink: #1f2933;
  --muted: #66707a;
  --line: #e3e6ea;
  --bg: #faf9f7;
  --ok-bg: #e7f6ec;
  --ok-ink: #1d7a3e;
  --err-bg: #fdeaea;
  --err-ink: #b42318;
}

* { box-sizing: border-box; }

html { font-size: 16px; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
}

.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.site-header .bar {
  max-width: 720px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  font-weight: 700;
  color: var(--amber-dark);
  text-decoration: none;
  font-size: 1.15rem;
}

.site-header nav {
  margin-left: auto;
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.site-header nav a { color: var(--ink); text-decoration: none; }
.site-header nav a:hover { color: var(--amber-dark); }

main { max-width: 720px; margin: 0 auto; padding: 1.25rem 1rem 3rem; }

h1 { font-size: 1.5rem; margin: 0 0 1rem; }
h2 { font-size: 1.2rem; margin: 1.5rem 0 0.75rem; }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

label { display: block; font-weight: 600; margin: 0.75rem 0 0.25rem; }

input[type="text"], input[type="email"], input[type="number"], select {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 1rem;
  background: #fff;
}

.btn {
  display: inline-block;
  background: var(--amber);
  color: #2a1c00;
  border: none;
  border-radius: 8px;
  padding: 0.65rem 1.1rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: var(--amber-dark); color: #fff; }
.btn.secondary { background: #eef0f2; color: var(--ink); }
.btn.small { padding: 0.35rem 0.7rem; font-size: 0.85rem; }

.alert { padding: 0.75rem 1rem; border-radius: 8px; margin-bottom: 1rem; }
.alert.ok { background: var(--ok-bg); color: var(--ok-ink); }
.alert.err { background: var(--err-bg); color: var(--err-ink); }

.muted { color: var(--muted); }
.field-error, .validation-summary-errors { color: var(--err-ink); font-size: 0.9rem; }
.validation-summary-errors ul { margin: 0; padding-left: 1.1rem; }

.list { list-style: none; padding: 0; margin: 0; }
.list li {
  display: flex; justify-content: space-between; align-items: center; gap: 0.5rem;
  padding: 0.6rem 0; border-bottom: 1px solid var(--line);
}
.list li:last-child { border-bottom: none; }

.tag { font-size: 0.8rem; padding: 0.1rem 0.5rem; border-radius: 999px; background: #eef0f2; color: var(--muted); }

code.url {
  display: block; word-break: break-all; background: #f3f4f6;
  padding: 0.6rem; border-radius: 8px; font-size: 0.85rem;
}