:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --ink: #1f2733;
  --muted: #6b7280;
  --line: #e5e7eb;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --ok: #16a34a;
  --warn: #d97706;
  --err: #dc2626;
  --radius: 10px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--muted); }
.small { font-size: .82rem; }
.nowrap { white-space: nowrap; }
.mt { margin-top: .75rem; }

/* Topbar */
.topbar {
  display: flex; align-items: center; gap: 1.5rem;
  background: var(--card); border-bottom: 1px solid var(--line);
  padding: .7rem 1.25rem; position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 700; font-size: 1.1rem; color: var(--ink); }
.topbar nav { display: flex; gap: 1rem; flex: 1; }
.topbar nav a { color: var(--muted); padding: .25rem 0; border-bottom: 2px solid transparent; }
.topbar nav a.active { color: var(--ink); border-bottom-color: var(--primary); }
.topbar .user { display: flex; align-items: center; gap: .75rem; }

.container { max-width: 1080px; margin: 1.5rem auto; padding: 0 1.25rem; }
.footer { text-align: center; padding: 2rem 1rem; }

.page-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
h1 { font-size: 1.5rem; margin: 0; }
h2 { font-size: 1.15rem; margin: 0 0 .75rem; }

/* Cards */
.card, section.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1.25rem;
}

/* Auth */
.auth-card {
  max-width: 380px; margin: 4rem auto; background: var(--card);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem;
}
.auth-card h1 { margin-bottom: .25rem; }

/* Forms */
label { display: block; margin-bottom: .9rem; font-size: .9rem; font-weight: 500; }
input, select { width: 100%; padding: .55rem .7rem; border: 1px solid var(--line);
  border-radius: 8px; font-size: .95rem; margin-top: .25rem; background: #fff; }
input:focus, select:focus { outline: 2px solid var(--primary); border-color: var(--primary); }
label.checkbox { display: flex; align-items: center; gap: .5rem; font-weight: 400; }
label.checkbox input { width: auto; margin: 0; }
.row { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }
.row input { flex: 1; min-width: 220px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; margin-top: 1rem; }
.grid .full { grid-column: 1 / -1; }
form.inline { display: inline; }

/* Buttons */
.btn { display: inline-block; padding: .5rem .9rem; border: 1px solid var(--line);
  background: #fff; border-radius: 8px; cursor: pointer; font-size: .9rem; color: var(--ink); }
.btn:hover { background: #f9fafb; text-decoration: none; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-danger { background: #fff; border-color: var(--err); color: var(--err); }
.btn-danger:hover { background: #fef2f2; }
.btn-link { background: none; border: none; color: var(--primary); cursor: pointer; padding: 0; font-size: .9rem; }
.btn-link.danger { color: var(--err); }

/* Flash */
.flash { padding: .7rem 1rem; border-radius: 8px; margin-bottom: 1rem; border: 1px solid; }
.flash-success { background: #f0fdf4; border-color: #bbf7d0; color: #166534; }
.flash-error { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.flash-info { background: #eff6ff; border-color: #bfdbfe; color: #1e40af; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1.25rem; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1rem; text-align: center; }
.stat .num { display: block; font-size: 1.8rem; font-weight: 700; }
.stat .lbl { color: var(--muted); font-size: .85rem; }
.stat.ok .num { color: var(--ok); }
.stat.warn .num { color: var(--warn); }
.stat.err .num { color: var(--err); }

/* Table */
.filterbar { display: flex; gap: .6rem; align-items: center; margin-bottom: 1rem; }
.filterbar select { width: auto; }
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; background: var(--card);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.table th, .table td { text-align: left; padding: .65rem .8rem; border-bottom: 1px solid var(--line); font-size: .9rem; vertical-align: top; }
.table th { background: #fafafa; font-weight: 600; color: var(--muted); }
.table tr:last-child td { border-bottom: none; }
.empty { text-align: center; color: var(--muted); padding: 2rem; }
.err-text { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Badges / Status */
.badge { display: inline-block; padding: .1rem .45rem; border-radius: 6px; font-size: .75rem; font-weight: 600; }
.badge-mail { background: #eef2ff; color: #4338ca; }
.badge-manual { background: #f0fdfa; color: #0f766e; }
.status { display: inline-block; padding: .15rem .5rem; border-radius: 6px; font-size: .78rem; font-weight: 600; }
.status-UPLOADED { background: #f0fdf4; color: #166534; }
.status-PENDING { background: #fffbeb; color: #92400e; }
.status-REVIEW { background: #eff6ff; color: #1e40af; }
.status-FAILED { background: #fef2f2; color: #991b1b; }
.status-SKIPPED { background: #f3f4f6; color: #4b5563; }
.nav-badge { display: inline-block; min-width: 18px; padding: 0 .35rem; border-radius: 9px;
  background: var(--primary); color: #fff; font-size: .72rem; text-align: center; }
h3.sub { margin-top: 1.5rem; font-size: 1rem; }

/* Upload dropzone */
.dropzone { border: 2px dashed var(--line); border-radius: var(--radius); padding: 2rem;
  text-align: center; position: relative; margin-bottom: 1rem; transition: border-color .2s; }
.dropzone.drag { border-color: var(--primary); background: #eff6ff; }
.dropzone input[type=file] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.filelist { list-style: none; padding: 0; margin: 1rem 0 0; text-align: left; }
.filelist li { padding: .3rem .5rem; background: #f9fafb; border-radius: 6px; margin-bottom: .3rem; font-size: .88rem; }

/* Upload-Fortschritt */
.upload-progress { margin-top: 1.25rem; }
.upload-status { font-size: .9rem; color: var(--muted); margin-bottom: .4rem; }
.upload-progress progress { width: 100%; height: 14px; }
.upload-results { list-style: none; padding: 0; margin: 1rem 0 0; max-height: 320px; overflow-y: auto; }
.upload-results li { padding: .3rem .5rem; border-radius: 6px; margin-bottom: .3rem; font-size: .85rem; }
.upload-results .res-uploaded { background: #f0fdf4; color: var(--ok); }
.upload-results .res-duplicate, .upload-results .res-review { background: #f9fafb; color: var(--muted); }
.upload-results .res-failed { background: #fef2f2; color: var(--err); }
#uploadDone { margin-top: 1rem; }

.adder { margin-top: 1rem; }
.adder summary { cursor: pointer; color: var(--primary); font-weight: 500; }
code { background: #f3f4f6; padding: .1rem .35rem; border-radius: 4px; font-size: .85em; }

.steps { margin: 0 0 1rem; padding-left: 1.2rem; color: var(--muted); }
.steps li { margin-bottom: .3rem; }
.twofa-grid { display: flex; gap: 1.5rem; flex-wrap: wrap; align-items: flex-start; }
.twofa-grid .qr img { border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.secret { font-size: 1rem; letter-spacing: .05em; word-break: break-all; }

@media (max-width: 720px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid { grid-template-columns: 1fr; }
  .topbar { flex-wrap: wrap; gap: .75rem; }
}