:root {
  --text: #1d1d1f;
  --muted: #5f6368;
  --accent: #2f6f4f;
  --bg: #ffffff;
  --surface: #f4f6f4;
  --border: #d9ded9;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.brand {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.brand span {
  display: block;
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 400;
}

.lang { display: flex; gap: 0.25rem; }

.lang button {
  min-width: 2.75rem;
  min-height: 2.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--bg);
  color: var(--muted);
  font: inherit;
  cursor: pointer;
}

.lang button[aria-current] {
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 700;
}

.content {
  max-width: 40rem;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.note { color: var(--muted); }

@media print {
  .site-header { display: none; }
  .content { max-width: none; padding: 0; }
  body { font-size: 14pt; }
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 1rem;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--border);
}

.site-nav a, .link {
  color: var(--accent);
  font: inherit;
  text-decoration: none;
  background: none;
  border: 0;
  padding: 0.5rem 0;
  cursor: pointer;
}

.site-nav form { margin-left: auto; }

a { color: var(--accent); }

.button {
  display: inline-block;
  min-height: 2.75rem;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--accent);
  border-radius: 0.5rem;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.button.secondary { background: var(--bg); color: var(--accent); }
.button.danger { background: #a3261b; border-color: #a3261b; }

.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.form > div { margin-bottom: 1rem; }
.form label { display: block; font-weight: 600; margin-bottom: 0.25rem; }
.form input[type=text], .form input[type=password], .form input[type=email] {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font: inherit;
}
.form .helptext, .form .helptext ul { color: var(--muted); font-size: 0.875rem; }
.form .helptext ul { padding-left: 1.2rem; margin: 0.25rem 0 0; }
.form ul.errorlist, .errorlist { color: #a3261b; padding-left: 0; list-style: none; }
.form div[id$="class_level"] label { display: inline-flex; gap: 0.4rem; font-weight: 400; margin-right: 1rem; min-height: 2.75rem; align-items: center; }
.form div[id$="class_level"] > div { display: inline-block; }

.messages { list-style: none; padding: 0; }
.messages li, .notice {
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  background: var(--surface);
  border-left: 4px solid var(--accent);
}
.messages li.error { border-left-color: #a3261b; }

.cards { list-style: none; padding: 0; display: grid; gap: 0.75rem; }
.card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
}
.card .muted, .muted { color: var(--muted); display: block; font-size: 0.875rem; }
.card-actions { display: flex; gap: 1rem; }

@media print {
  .site-nav, .messages { display: none; }
}

.error { color: #a3261b; }
.form input[type=date], .form input[type=file] {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font: inherit;
}

.pages { list-style: none; padding: 0; display: grid; gap: 1rem; }
.page {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
}
.page img { width: 100%; height: auto; border-radius: 0.25rem; border: 1px solid var(--border); }
.page-info p { margin: 0 0 0.5rem; }
.page-info form { display: inline; }