/* Verwaltung der CENTAUR-Website.
   Eigenständig, kein Build-Schritt, keine Anfrage nach außen — dieselbe
   Farbwelt wie die öffentliche Seite. */

:root {
  --brand: #213a8f;
  --brand-dark: #1c327a;
  --deep: #071a2a;
  --ink: #1d1d1b;
  --ink-soft: #5a5f6b;
  --muted: #747a96;
  --line: #e5e9ed;
  --line-strong: #cdd4dd;
  --surface: #ffffff;
  --sunken: #f7f8fc;
  --ok: #1c6b45;
  --ok-bg: #eaf6f0;
  --bad: #9a2c2c;
  --bad-bg: #fbeded;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--sunken);
  color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

a { color: var(--brand); }
a:hover { color: var(--brand-dark); }

:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

h1 { font-size: 1.6rem; margin: 0 0 0.25rem; }
h2 { font-size: 1.15rem; margin: 2rem 0 0.75rem; }

.skip {
  position: absolute; left: -9999px;
}
.skip:focus {
  left: 0.5rem; top: 0.5rem; z-index: 10;
  background: var(--brand); color: #fff; padding: 0.5rem 1rem;
}

/* Kopfzeile */
.topbar { background: var(--deep); color: #fff; }
.topbar-inner {
  max-width: 68rem; margin: 0 auto; padding: 0.75rem 1.25rem;
  display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; justify-content: space-between;
}
.topbar strong { font-size: 0.95rem; letter-spacing: 0.02em; }
.topbar nav ul { display: flex; flex-wrap: wrap; gap: 1.25rem; list-style: none; margin: 0; padding: 0; }
.topbar nav a { color: #d8dff0; text-decoration: none; font-size: 0.95rem; }
.topbar nav a:hover, .topbar nav a[aria-current="page"] { color: #fff; }
.topbar nav a[aria-current="page"] { font-weight: 700; }
.topbar form { margin: 0; }

.wrap { max-width: 68rem; margin: 0 auto; padding: 2rem 1.25rem 4rem; }

/* Rückmeldungen */
.flash { border: 1px solid; padding: 0.75rem 1rem; margin: 0 0 1rem; border-radius: 3px; }
.flash-success { border-color: #b6ddc8; background: var(--ok-bg); color: var(--ok); }
.flash-error { border-color: #e8bcbc; background: var(--bad-bg); color: var(--bad); }

/* Tabellen */
table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--line); }
caption { text-align: left; color: var(--muted); font-size: 0.9rem; padding-bottom: 0.5rem; }
th, td { text-align: left; padding: 0.7rem 0.85rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--sunken); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-soft); }
tr:last-child td { border-bottom: 0; }
.table-scroll { overflow-x: auto; }

.badge { display: inline-block; padding: 0.1rem 0.5rem; border: 1px solid var(--line-strong); border-radius: 2px; font-size: 0.8rem; }
.badge-on { border-color: #b6ddc8; background: var(--ok-bg); color: var(--ok); }
.badge-off { color: var(--muted); }

.muted { color: var(--muted); }
.small { font-size: 0.875rem; }

/* Formulare */
form.stack { background: var(--surface); border: 1px solid var(--line); padding: 1.5rem; }
fieldset { border: 1px solid var(--line); padding: 1.25rem; margin: 0 0 1.5rem; }
legend { font-weight: 700; padding: 0 0.4rem; }
label { display: block; font-weight: 700; font-size: 0.9rem; margin-bottom: 0.3rem; }
.field { margin-bottom: 1.1rem; }
.hint { color: var(--muted); font-size: 0.85rem; font-weight: 400; margin: 0.25rem 0 0; }

input[type="text"], input[type="password"], input[type="date"], input[type="url"], textarea {
  width: 100%; padding: 0.55rem 0.7rem; border: 1px solid var(--line-strong);
  border-radius: 2px; font: inherit; background: #fff; color: inherit;
}
textarea { min-height: 12rem; resize: vertical; font-family: ui-monospace, "SF Mono", Consolas, monospace; font-size: 0.9rem; line-height: 1.6; }
textarea.short { min-height: 6rem; }
input:focus, textarea:focus { border-color: var(--brand); }

.checkline { display: flex; align-items: center; gap: 0.5rem; }
.checkline label { margin: 0; }

.grid2 { display: grid; gap: 1.1rem; }
@media (min-width: 44rem) { .grid2 { grid-template-columns: 1fr 1fr; } }

/* Schaltflächen — Flächen, keine Verläufe, kaum Rundung. */
.btn {
  display: inline-block; padding: 0.55rem 1.1rem; border-radius: 2px; border: 1px solid var(--brand);
  background: var(--brand); color: #fff; font: inherit; font-weight: 700; font-size: 0.9375rem;
  cursor: pointer; text-decoration: none;
}
.btn:hover { background: var(--brand-dark); border-color: var(--brand-dark); color: #fff; }
.btn-secondary { background: transparent; color: var(--brand); border-color: var(--line-strong); }
.btn-secondary:hover { background: transparent; border-color: var(--brand); color: var(--brand-dark); }
.btn-danger { background: transparent; color: var(--bad); border-color: #e8bcbc; }
.btn-danger:hover { background: var(--bad-bg); color: var(--bad); border-color: var(--bad); }
.btn-small { padding: 0.3rem 0.65rem; font-size: 0.85rem; }
.btn-link { border: 0; background: none; color: #d8dff0; font: inherit; font-size: 0.95rem; cursor: pointer; padding: 0; text-decoration: underline; }
.btn-link:hover { color: #fff; }

.actions { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.actions form { margin: 0; display: inline; }

.toolbar { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; margin-bottom: 1.25rem; }

/* Anmeldung */
.login { max-width: 24rem; margin: 4rem auto; padding: 0 1.25rem; }
.login form { background: var(--surface); border: 1px solid var(--line); padding: 1.75rem; }
.login h1 { font-size: 1.3rem; margin-bottom: 1.25rem; }

.cards { display: grid; gap: 1rem; margin: 1.5rem 0; }
@media (min-width: 40rem) { .cards { grid-template-columns: repeat(2, 1fr); } }
.card { background: var(--surface); border: 1px solid var(--line); padding: 1.25rem; }
.card .num { font-size: 2rem; font-weight: 700; line-height: 1; }
.card h2 { margin: 0 0 0.5rem; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-soft); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap;
}

/* Kurzhilfe zum Textformat */
details.help { border: 1px solid var(--line); background: var(--surface); padding: 0.75rem 1rem; margin-bottom: 1.5rem; }
details.help summary { cursor: pointer; font-weight: 700; font-size: 0.9rem; }
details.help pre {
  background: var(--sunken); border: 1px solid var(--line); padding: 0.75rem;
  overflow-x: auto; font-size: 0.85rem; margin: 0.75rem 0 0;
}