:root {
  --bg: #f6f4ef;
  --surface: #ffffff;
  --ink: #1d1d1b;
  --muted: #6b6a66;
  --line: #dedbd3;
  --accent: #1f5f8b;
  --accent-ink: #ffffff;
  --danger: #a3341f;
  --radius: 10px;
  font-family: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161615; --surface: #20201e; --ink: #ecebe6; --muted: #9c9a93;
    --line: #34332f; --accent: #6aaedb; --accent-ink: #0d1b24; --danger: #e07a62;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); }
body { min-height: 100vh; line-height: 1.45; }

.wrap { max-width: 520px; margin: 0 auto; padding: 32px 16px 48px; }
h1 { font-size: 1.5rem; margin: 0 0 4px; letter-spacing: -0.01em; }
.sub { color: var(--muted); margin: 0 0 28px; }

.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px;
}
label { display: block; font-weight: 600; margin: 14px 0 6px; }
label:first-child { margin-top: 0; }
input[type=text], input[type=password] {
  width: 100%; font: inherit; font-size: 1.1rem; padding: 12px 14px;
  border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg); color: var(--ink);
}
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

button, .btn {
  font: inherit; font-weight: 600; cursor: pointer; border: 0;
  border-radius: 8px; padding: 12px 18px; text-decoration: none;
  background: var(--accent); color: var(--accent-ink); display: inline-block;
}
button:disabled { opacity: .45; cursor: default; }
button.ghost, .btn.ghost {
  background: transparent; color: var(--ink); border: 1px solid var(--line);
}
button.danger { background: transparent; color: var(--danger); border: 1px solid var(--line); }
.full { width: 100%; margin-top: 16px; }

.msg { min-height: 1.4em; margin-top: 12px; color: var(--muted); }
.msg.err { color: var(--danger); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.chip {
  background: var(--bg); border: 1px solid var(--line); border-radius: 999px;
  padding: 4px 12px; font-size: .95rem;
}
.rooms { list-style: none; padding: 0; margin: 12px 0 0; }
.rooms li {
  display: flex; justify-content: space-between; gap: 12px; align-items: center;
  padding: 10px 0; border-top: 1px solid var(--line);
}
.rooms a { color: var(--accent); }
.small { font-size: .9rem; color: var(--muted); }
code { font-family: ui-monospace, "SF Mono", Menlo, monospace; }

/* Startseite & Listen */
.roles { display: grid; gap: 14px; margin-top: 8px; }
.role {
  display: block; text-decoration: none; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 20px; font-size: 1.25rem; font-weight: 700;
  transition: border-color .15s, transform .15s;
}
.role:hover { border-color: var(--accent); transform: translateY(-1px); }
.role span { display: block; font-size: .95rem; font-weight: 400; color: var(--muted); margin-top: 2px; }
.pick { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.pick a {
  display: block; padding: 16px 18px; text-decoration: none; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  font-weight: 600;
}
.pick a:hover { border-color: var(--accent); }
.back { display: inline-block; color: var(--muted); text-decoration: none; margin-bottom: 18px; }
.back:hover { color: var(--accent); }
.wait { text-align: center; padding: 36px 20px; color: var(--muted); }
.pulse { width: 10px; height: 10px; border-radius: 50%; background: var(--accent);
  display: inline-block; margin-right: 8px; animation: p 1.6s infinite; vertical-align: middle; }
@keyframes p { 0%,100% { opacity: .25 } 50% { opacity: 1 } }

/* Dozent*innen-Bereich */
.wide { max-width: 760px; }
.course { margin-top: 18px; }
.course h2 { font-size: 1.15rem; margin: 0 0 2px; }
.inline { display: flex; gap: 8px; margin-top: 12px; }
.inline input { flex: 1; min-width: 0; }
.qlist { list-style: none; padding: 0; margin: 14px 0 0; }
.qlist li {
  display: flex; gap: 10px; align-items: center; justify-content: space-between;
  padding: 10px 0; border-top: 1px solid var(--line); flex-wrap: wrap;
}
.qlist .q { flex: 1; min-width: 200px; }
.qlist .acts { display: flex; gap: 6px; }
.qlist button, .qlist .btn { padding: 6px 10px; font-size: .85rem; }
.badge { font-size: .75rem; font-weight: 700; border-radius: 999px; padding: 2px 8px;
  background: var(--accent); color: var(--accent-ink); margin-left: 6px; vertical-align: middle; }
.topbar { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.linkbtn { background: none; border: 0; padding: 0; color: var(--muted); font-weight: 400; text-decoration: underline; }

/* Begriffe pro Person – Zahlenfeld neben dem Fragefeld */
.numlabel {
  display: inline-flex;
  align-items: center;
  gap: .4em;
  white-space: nowrap;
  font-size: .85rem;
  color: #555;
}
.numlabel .num { width: 4.2em; }