:root {
  --bg: #0f1419;
  --panel: #1a222c;
  --text: #e7eef7;
  --muted: #93a4b8;
  --accent: #3d9cf0;
  --ok: #3cbf7a;
  --err: #e35d5d;
  --line: #2a3544;
  --radius: 12px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --pad: clamp(0.75rem, 2.5vw, 1.25rem);
  --touch: 48px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 10% -10%, #1b3a5a 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #1a2f28 0%, transparent 50%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  min-height: 100dvh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--pad);
  width: 100%;
}
.top {
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; margin-bottom: 1.25rem; flex-wrap: wrap;
}
.brand { font-weight: 700; letter-spacing: 0.02em; }
nav { display: flex; gap: 0.9rem; flex-wrap: wrap; }
.card {
  background: color-mix(in srgb, var(--panel) 92%, black);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1rem, 3vw, 1.35rem);
  margin-bottom: 1rem;
  overflow-wrap: anywhere;
}
.card.narrow { max-width: 480px; }
.grid { display: grid; gap: 1rem; }
@media (min-width: 800px) {
  .grid { grid-template-columns: 1.2fr 1fr; }
  .grid > .card:first-child { grid-column: 1 / -1; }
}
h1, h2, h3 { margin: 0 0 0.6rem; font-weight: 650; line-height: 1.25; }
h1 { font-size: clamp(1.25rem, 4vw, 1.75rem); }
h2 { font-size: clamp(1.05rem, 3vw, 1.25rem); }
.muted { color: var(--muted); }
.form { display: grid; gap: 0.75rem; }
.form.inline { grid-template-columns: 1fr auto; align-items: end; }
label { display: grid; gap: 0.35rem; font-size: 0.92rem; color: var(--muted); }
input, textarea, button, select {
  font: inherit; border-radius: 8px; border: 1px solid var(--line);
  background: #0c1117; color: var(--text); padding: 0.65rem 0.75rem;
  max-width: 100%;
}
button, .btn {
  background: var(--accent); color: #041018; border: none; font-weight: 650;
  cursor: pointer; display: inline-block; padding: 0.65rem 1rem; border-radius: 8px;
  min-height: var(--touch);
  text-align: center;
}
button:hover, .btn:hover { filter: brightness(1.05); text-decoration: none; }
.btn-danger { background: var(--err); color: #fff; }
.flash { padding: 0.7rem 0.85rem; border-radius: 8px; margin: 0.6rem 0; }
.flash-ok { background: color-mix(in srgb, var(--ok) 25%, transparent); border: 1px solid var(--ok); }
.flash-error, .flash-err { background: color-mix(in srgb, var(--err) 25%, transparent); border: 1px solid var(--err); }
.steps { display: flex; flex-wrap: wrap; gap: 0.5rem; list-style: none; padding: 0; }
.steps li {
  padding: 0.35rem 0.65rem; border-radius: 999px; border: 1px solid var(--line);
  color: var(--muted); font-size: 0.85rem;
}
.steps li.active { border-color: var(--accent); color: var(--text); }
.steps li.done { border-color: var(--ok); color: var(--ok); }
.summary { padding-left: 1.1rem; }
.status.ok { color: var(--ok); font-weight: 650; }
.status.err { color: var(--err); font-weight: 650; }
.table { width: 100%; border-collapse: collapse; margin-top: 1rem; font-size: 0.92rem; }
.table th, .table td { text-align: left; padding: 0.55rem 0.35rem; border-bottom: 1px solid var(--line); vertical-align: top; }
code, .tiny { font-size: 0.8rem; }
.config {
  width: 100%; font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.82rem; line-height: 1.4;
  overflow-x: auto;
}
.foot { margin-top: 2rem; color: var(--muted); }
.guide {
  margin: 1rem 0 1.25rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--panel) 70%, #0a1018);
}
.guide h2 { font-size: 1.1rem; }
.guide-list { margin: 0.5rem 0 0; padding-left: 1.2rem; line-height: 1.55; }
.guide-list li { margin: 0.35rem 0; }
.where {
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--line);
}
.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  margin-right: 0.25rem;
  vertical-align: middle;
}
.tag-cp { background: #2a4a6a; color: #cfe6ff; }
.tag-pt { background: #3a4a2a; color: #d8f0c0; }
.tag-dns { background: #4a3a5a; color: #e8d8ff; }
label.check {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  color: var(--text);
  font-size: 0.95rem;
}
label.check input { margin-top: 0.2rem; width: auto; }
.doh-url {
  display: block;
  word-break: break-all;
  padding: 0.65rem 0.75rem;
  background: #0c1117;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.back { margin-top: 1.25rem; }
.setup .config { margin: 0.75rem 0; }
.config.tall { min-height: 280px; max-height: 420px; }
.card.nested {
  margin: 1rem 0;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #0c1117;
}
.card.nested h3 { margin: 0 0 0.5rem; font-size: 1rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.65rem; }
.btn-row button[value="step6_save"] {
  background: #2a3544;
  color: var(--text);
}
.qr-row {
  display: grid; gap: 1rem; margin-top: 0.75rem;
}
@media (min-width: 720px) {
  .qr-row { grid-template-columns: minmax(200px, 300px) 1fr; align-items: start; }
}
.qr-box {
  background: #fff; color: #000; padding: 0.75rem; border-radius: 10px;
  min-height: 200px; width: 100%; max-width: 280px; margin: 0 auto;
  display: grid; place-items: center;
}
.qr-box img, .qr-box canvas, .qr-box table {
  display: block; margin: 0 auto; max-width: 100%; height: auto !important;
}
.qr-box table { border-collapse: collapse; }
.config-panel { margin-top: 1rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: stretch; }
.inline-form { display: inline; }
.btn-small {
  background: #2a3544; color: var(--text); border: 1px solid var(--line);
  font-weight: 600; padding: 0.55rem 0.75rem; border-radius: 8px; cursor: pointer;
  min-height: var(--touch);
  display: inline-flex; align-items: center; justify-content: center;
}
.form.compact { gap: 0.4rem; margin-top: 0.4rem; }
details summary { cursor: pointer; color: var(--muted); font-size: 0.9rem; }
.narrow-form { max-width: 420px; width: 100%; }

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
}
.badge-online { background: color-mix(in srgb, var(--ok) 28%, transparent); color: var(--ok); }
.badge-idle { background: #2a3544; color: var(--muted); }
.badge-locked { background: color-mix(in srgb, var(--err) 28%, transparent); color: #f0a0a0; }
.rename-form {
  display: flex; gap: 0.35rem; align-items: center; margin: 0; width: 100%;
}
.rename-form input { flex: 1; min-width: 0; padding: 0.55rem 0.65rem; min-height: var(--touch); }
.rename-form button { flex-shrink: 0; }
.backup-codes {
  list-style: none; padding: 0; margin: 0.75rem 0;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 0.5rem;
}
.backup-codes li code {
  display: block;
  text-align: center;
  padding: 0.55rem 0.4rem;
  background: #0c1117;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}
.backup-fresh { border-color: var(--ok); }
.month-head {
  display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 0.75rem;
  margin-bottom: 0.5rem;
}
.month-head h2 { margin: 0; }
.month-pick { margin: 0; }
.month-pick label { margin: 0; }

.brand-block { min-width: 0; flex: 1; }
.page-title {
  display: none;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 0.15rem;
}
.nav-desktop a.is-active { color: var(--text); text-decoration: underline; text-underline-offset: 4px; }
.btn-block { width: 100%; text-align: center; }
.login-divider {
  display: flex; align-items: center; gap: 0.75rem;
  color: var(--muted); font-size: 0.85rem; margin: 1rem 0;
}
.login-divider::before, .login-divider::after {
  content: ""; flex: 1; height: 1px; background: var(--line);
}
.passkey-list { list-style: none; padding: 0; margin: 0.75rem 0; }
.passkey-list li {
  display: flex; justify-content: space-between; align-items: center; gap: 0.75rem;
  padding: 0.75rem 0; border-bottom: 1px solid var(--line);
}
.ios-install {
  margin-top: 0.75rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #0c1117;
}
.ios-install ol { margin: 0; padding-left: 1.2rem; line-height: 1.55; }
.config-actions {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
}
.config-panel .config-actions .btn,
.config-panel .config-actions button,
.config-panel .config-actions a.btn {
  flex: 1 1 auto;
  text-align: center;
}
.table-wrap { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* —— Mobile / Tablet —— */
.nav-bottom { display: none; }

@media (max-width: 900px) {
  body {
    padding-top: env(safe-area-inset-top);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }
  .wrap {
    padding: 0.75rem 0.75rem calc(5.85rem + env(safe-area-inset-bottom));
    max-width: 100%;
    overflow-x: hidden;
  }
  .page-title { display: block; }
  .nav-desktop { display: none !important; }
  .card {
    padding: 0.95rem;
    border-radius: 14px;
    margin-bottom: 0.75rem;
  }
  .card.narrow, .login-card, .narrow-form {
    max-width: none;
    width: 100%;
  }
  .grid { grid-template-columns: 1fr !important; }
  .grid > .card:first-child { grid-column: auto; }

  .nav-bottom {
    display: flex;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 50;
    background: color-mix(in srgb, var(--panel) 96%, black);
    border-top: 1px solid var(--line);
    padding: 0.3rem 0.2rem calc(0.3rem + env(safe-area-inset-bottom));
    justify-content: space-around;
    gap: 0.1rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
  .nav-bottom a {
    flex: 1;
    text-align: center;
    color: var(--muted);
    text-decoration: none;
    font-size: clamp(0.68rem, 2.8vw, 0.78rem);
    font-weight: 650;
    padding: 0.45rem 0.1rem;
    border-radius: 12px;
    min-height: var(--touch);
    display: grid;
    place-items: center;
    line-height: 1.15;
  }
  .nav-bottom a.is-active {
    color: var(--text);
    background: #121821;
  }

  .form.inline { grid-template-columns: 1fr; }
  .form.inline button,
  .form > button,
  .form .btn { width: 100%; }
  .month-head { flex-direction: column; align-items: stretch; }
  .month-pick, .month-pick select { width: 100%; }

  /* Tabellen als Karten */
  .table-cards thead { display: none; }
  .table-cards table,
  .table-cards tbody,
  .table-cards tr,
  .table-cards td {
    display: block;
    width: 100%;
  }
  .table-cards tr {
    background: #0c1117;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 0.7rem 0.8rem;
    margin-bottom: 0.65rem;
  }
  .table-cards td {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.65rem;
    border: none;
    padding: 0.4rem 0;
    text-align: right;
  }
  .table-cards td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 650;
    text-align: left;
    flex: 0 0 36%;
    max-width: 42%;
  }
  .table-cards td.actions,
  .table-cards td[data-label=""] {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.45rem;
    padding-top: 0.7rem;
    margin-top: 0.35rem;
    border-top: 1px dashed var(--line);
    text-align: left;
  }
  .table-cards td.actions::before,
  .table-cards td[data-label=""]::before { display: none; }
  .table-cards .actions form { display: contents; }
  .table-cards .actions .btn-danger,
  .table-cards .actions .btn-small,
  .table-cards .actions a.btn-small {
    width: 100%;
    justify-content: center;
  }
  .table-cards .rename-form {
    flex-direction: column;
    align-items: stretch;
  }
  .table-cards .rename-form button { width: 100%; }

  .qr-box { max-width: min(280px, 100%); }
  .config-panel .config-actions { display: grid; grid-template-columns: 1fr; }
  .passkey-list li { flex-wrap: wrap; }
  .passkey-list li .btn-danger { width: 100%; }
  .backup-codes { grid-template-columns: 1fr 1fr; }
  .top { margin-bottom: 0.55rem; align-items: flex-start; }
  .foot {
    margin-top: 0.75rem;
    margin-bottom: 0.25rem;
    font-size: 0.75rem;
    text-align: center;
  }

  /* iOS: kein Zoom bei Fokus */
  button, .btn, input, select, textarea { font-size: 16px !important; }
  code.doh-url, .doh-url { font-size: 0.78rem; }
}

/* Sehr schmale Phones */
@media (max-width: 380px) {
  .nav-bottom a { font-size: 0.62rem; padding: 0.35rem 0.05rem; }
  .table-cards td.actions { grid-template-columns: 1fr; }
  .backup-codes { grid-template-columns: 1fr; }
}

/* Tablet quer: Bottom-Nav behalten bis 900px, Desktop-Nav ab 901 */
@media (min-width: 901px) {
  .nav-bottom { display: none !important; }
  .page-title { display: none; }
}

/* PWA Standalone: etwas mehr Luft unten */
@media (display-mode: standalone) {
  .wrap {
    padding-bottom: calc(6.25rem + env(safe-area-inset-bottom));
  }
}