:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #1d2330;
  --muted: #667085;
  --border: #d9dde5;
  --accent: #2557d6;
  --accent-hover: #1c46b0;
  --ok-bg: #e7f6ec;
  --ok: #1d7a3e;
  --err-bg: #fdecec;
  --err: #b42318;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171d;
    --card: #1d2129;
    --text: #e6e8ec;
    --muted: #98a0ae;
    --border: #353b47;
    --accent: #6b93ff;
    --accent-hover: #8aa9ff;
    --ok-bg: #173323;
    --ok: #7fd59d;
    --err-bg: #3a1d1d;
    --err: #ff9a8f;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; }
.logout { margin: 0; }

main { max-width: 760px; margin: 0 auto; padding: 24px 16px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 20px;
}
.card.narrow { max-width: 380px; margin: 40px auto; }
h1 { font-size: 1.4rem; margin: 0 0 12px; }
h2 { font-size: 1.1rem; margin: 0 0 12px; }
.hint { color: var(--muted); margin: 0 0 16px; font-size: .95rem; }
.count {
  display: inline-block; min-width: 1.6em; padding: 0 6px; border-radius: 99px;
  background: var(--bg); color: var(--muted); font-size: .85rem; text-align: center;
}

.stack { display: flex; flex-direction: column; gap: 14px; }
label { display: flex; flex-direction: column; gap: 4px; font-weight: 600; font-size: .9rem; }
input[type=text], input[type=password] {
  font: inherit; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg); color: var(--text);
}
input:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.btn {
  font: inherit; font-weight: 600; padding: 10px 18px; border: 0; border-radius: 8px;
  background: var(--accent); color: #fff; cursor: pointer;
}
.btn:hover { background: var(--accent-hover); }
.btn:disabled { opacity: .6; cursor: progress; }
.btn-link { font: inherit; background: none; border: 0; color: var(--accent); cursor: pointer; padding: 0; }

.msg { padding: 10px 12px; border-radius: 8px; margin: 0 0 12px; }
.msg.ok { background: var(--ok-bg); color: var(--ok); }
.msg.err { background: var(--err-bg); color: var(--err); }

.dropzone {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  min-height: 140px; padding: 20px;
  border: 2px dashed var(--border); border-radius: 12px;
  font-weight: 400; text-align: center; color: var(--muted); cursor: pointer;
  margin-bottom: 16px;
}
.dropzone:hover, .dropzone.over { border-color: var(--accent); color: var(--text); }
.dropzone input[type=file] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.dropzone strong { color: var(--accent); }

.queue, .results, .filelist { list-style: none; margin: 0 0 16px; padding: 0; }
.results { margin-top: 16px; }
.queue li, .filelist li {
  display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center;
  padding: 8px 0; border-bottom: 1px solid var(--border); font-size: .92rem;
}
.queue progress { grid-column: 1 / -1; width: 100%; height: 6px; }
.queue .status { grid-column: 1 / -1; font-size: .85rem; color: var(--muted); }
.queue li.ok .status { color: var(--ok); }
.queue li.err .status { color: var(--err); }
.fname { overflow-wrap: anywhere; }
.fsize { color: var(--muted); white-space: nowrap; }

/* Navigation */
.nav { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 16px; font-size: .92rem; }
.nav a { color: var(--muted); text-decoration: none; padding: 4px 0; border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--text); }
.nav a.active { color: var(--text); border-bottom-color: var(--accent); }
.nav .btn-link { font-size: .92rem; }

/* Formulare */
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 600px) { .row { grid-template-columns: 1fr; } }
select {
  font: inherit; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg); color: var(--text);
}
label.check { flex-direction: row; align-items: center; gap: 8px; font-weight: 400; }
.hint-inline { font-weight: 400; color: var(--muted); font-size: .82rem; }
h2.sub { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); }
a { color: var(--accent); }
.muted { color: var(--muted); font-size: .88rem; }

/* Meldungen */
main > .msg { margin-bottom: 20px; }
.secret { margin-top: 8px; }
.secret code {
  display: inline-block; font-size: 1.15rem; padding: 6px 12px; border-radius: 6px;
  background: var(--card); color: var(--text); border: 1px solid var(--border);
  user-select: all; letter-spacing: .03em;
}
.success-banner {
  display: flex; align-items: center; gap: 16px;
  background: var(--ok-bg); color: var(--ok); border-radius: 12px;
  padding: 18px 20px; margin-bottom: 20px;
}
.success-banner strong { display: block; font-size: 1.1rem; }
.check-icon {
  flex: none; width: 40px; height: 40px; border-radius: 50%;
  background: var(--ok); color: var(--card);
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem; font-weight: 700;
}
.summary { margin: 0 0 16px; }

/* Benutzerliste */
.userlist { list-style: none; margin: 0; padding: 0; }
.userlist li {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px;
  padding: 12px 0; border-bottom: 1px solid var(--border);
}
.uinfo { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag { font-size: .75rem; padding: 1px 8px; border-radius: 99px; background: var(--bg); color: var(--muted); border: 1px solid var(--border); }
.tag.warn { color: var(--err); border-color: currentColor; background: none; }
.uactions { display: flex; gap: 6px; flex-wrap: wrap; }
.uactions form { margin: 0; }
.btn-small {
  display: inline-block; font: inherit; font-size: .85rem; padding: 6px 10px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--card); color: var(--text); cursor: pointer; text-decoration: none;
}
.btn-small:hover { border-color: var(--accent); }
.btn-small.danger { color: var(--err); }
.btn-small.danger:hover { border-color: var(--err); }