:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1d2330;
  --muted: #667085;
  --border: #d9dde5;
  --accent: #2f6fde;
  --accent-text: #ffffff;
  --danger: #c4372b;
  --ok: #1d7a46;
  --warn-bg: #fff4d6;
  --info-bg: #e8f0fd;
  --row-hover: #f0f4fb;
  --mark: #ffe066;
  --row-selected: #fff6cc;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c;
    --card: #1d2128;
    --text: #e4e7ec;
    --muted: #98a2b3;
    --border: #343a45;
    --accent: #5b8ff0;
    --danger: #f07065;
    --ok: #4cc584;
    --warn-bg: #3d3216;
    --info-bg: #1d2c47;
    --row-hover: #252b35;
    --mark: #6b5a12;
    --row-selected: #3a3420;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 1280px; margin: 0 auto; padding: 16px; }
main.narrow { max-width: 420px; padding-top: 10vh; }
h1 { font-size: 20px; margin: 0; }
h2 { font-size: 16px; margin: 0 0 12px; }
code { font-family: var(--mono); font-size: 0.95em; }
small { color: var(--muted); font-weight: normal; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}
.row { display: flex; gap: 8px; align-items: center; }
.row input { flex: 1; min-width: 0; }
.muted { color: var(--muted); }
.ok { color: var(--ok); }
.error-text { color: var(--danger); }
.warn { background: var(--warn-bg); padding: 10px 14px; border-radius: 6px; }
.info { background: var(--info-bg); padding: 10px 14px; border-radius: 6px; margin-top: 0; }
.error { color: var(--danger); white-space: pre-line; margin-top: 0; }
.hint { color: var(--muted); font-size: 12px; margin: 4px 0 8px; }

input, select, textarea, button, .button {
  font: inherit;
  color: inherit;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
button, .button { cursor: pointer; text-decoration: none; white-space: nowrap; display: inline-block; }
button:hover, .button:hover { border-color: var(--accent); }
button:disabled { opacity: 0.6; cursor: progress; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
button.icon { border: none; background: none; padding: 4px 8px; font-size: 16px; }
button.icon:hover { background: var(--row-hover); }
button.danger { color: var(--danger); }
textarea.mono { font-family: var(--mono); font-size: 12px; }

/* Kopfzeile */
.topbar {
  display: flex;
  gap: 16px;
  align-items: flex-end;
  padding: 12px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.topbar h1 { align-self: center; }
.feedurl { flex: 1; min-width: 260px; }
.feedurl label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 2px; }
.feedurl input { font-family: var(--mono); font-size: 12px; }
.logout { align-self: center; color: var(--muted); }

/* Externer Feed */
#externalForm { flex-wrap: wrap; margin-bottom: 8px; }
#externalForm input { min-width: 240px; }
#syncStatus details { margin-top: 6px; }

/* Feed-Text */
.section-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 12px; }
.section-head h2 { margin: 0; }
.count { color: var(--muted); font-weight: normal; }
button.add {
  width: 34px; height: 34px; padding: 0;
  font-size: 22px; line-height: 1;
  border-radius: 50%;
  background: var(--accent); border-color: var(--accent); color: var(--accent-text);
}

/* Tabellen */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; white-space: nowrap; user-select: none; }
th[data-sort] { cursor: pointer; }
th[data-sort]:hover { color: var(--text); }
th[data-sort]::after { content: " ↕"; opacity: 0.35; }
th[data-dir="asc"]::after { content: " ▲"; opacity: 1; }
th[data-dir="desc"]::after { content: " ▼"; opacity: 1; }
th.sorted { color: var(--text); }
tbody tr[data-id] { cursor: pointer; }
tbody tr:hover { background: var(--row-hover); }
tbody tr.selected, tbody tr.selected:hover { background: var(--row-selected); box-shadow: inset 3px 0 0 var(--accent); }
td.uid { font-family: var(--mono); font-size: 12px; word-break: break-all; max-width: 320px; }
td.actions, th.actions { white-space: nowrap; text-align: right; width: 1%; }
td.empty { color: var(--muted); text-align: center; padding: 16px; }
.badge { font-size: 11px; padding: 1px 6px; border-radius: 10px; border: 1px solid var(--border); color: var(--muted); }
.badge.ext { border-color: var(--accent); color: var(--accent); }

/* Dialog */
dialog {
  width: min(760px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
}
dialog::backdrop { background: rgba(10, 14, 22, 0.5); }
#editForm { display: flex; flex-direction: column; max-height: calc(100vh - 34px); }
.dialog-head, .dialog-foot { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.dialog-head h2 { margin: 0; }
.dialog-foot { border-bottom: none; border-top: 1px solid var(--border); justify-content: flex-end; gap: 8px; }
.dialog-body { overflow-y: auto; padding: 16px; }
fieldset { border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px 12px; margin: 0 0 12px; }
legend { font-weight: 600; padding: 0 4px; }
fieldset label { display: block; font-size: 12px; color: var(--muted); margin-top: 8px; }
fieldset label > input, fieldset label > select, fieldset label > textarea, fieldset label > .row { display: flex; width: 100%; margin-top: 2px; font-size: 14px; color: var(--text); }
fieldset label > textarea { resize: vertical; }
label.check { display: inline-flex; align-items: center; gap: 6px; color: var(--text); font-size: 14px; margin-right: 12px; }
label.check input { width: auto; margin: 0; }
.radios { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; margin-top: 8px; }
.radios > span { font-size: 12px; color: var(--muted); margin-right: 8px; }
.grid2, .grid3 { display: grid; gap: 0 12px; }
.grid2 { grid-template-columns: 1fr 1fr; }
.grid3 { grid-template-columns: 1fr 1fr 1fr; }
[hidden] { display: none !important; }

/* Login */
.login label { display: block; margin-bottom: 12px; }
.login input { display: block; width: 100%; margin-top: 4px; }

/* Toast */
#toast {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px);
  background: var(--text); color: var(--bg);
  padding: 10px 16px; border-radius: 8px;
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s;
  max-width: calc(100vw - 32px);
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }
#toast.error { background: var(--danger); color: #fff; }

@media (max-width: 640px) {
  .grid2, .grid3 { grid-template-columns: 1fr; }
  .topbar { align-items: stretch; }
}

/* Layout: Tabellen links, Feed-Text rechts (auf breiten Bildschirmen fixiert) */
main.layout {
  max-width: 1800px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0 16px;
  align-items: start;
}
main.layout > .warn { grid-column: 1 / -1; }
@media (min-width: 1100px) {
  main.layout { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); }
  .col-feed { position: sticky; top: 16px; }
  .feed-card { height: calc(100vh - 32px); display: flex; flex-direction: column; margin-bottom: 0; }
  .feed-card .feed-editor { flex: 1; height: auto; min-height: 200px; }
}

/* Editierbarer Feed-Text mit Hervorhebung (Backdrop hinter transparentem Textfeld) */
.feed-editor { position: relative; height: 480px; }
.feed-editor textarea,
.feed-backdrop {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: 12px/18px var(--mono);
  white-space: pre;
  overflow-wrap: normal;
  tab-size: 4;
}
.feed-backdrop {
  overflow: hidden;
  color: transparent;
  background: var(--card);
  border-color: transparent;
  pointer-events: none;
}
.feed-backdrop mark { color: transparent; background: var(--mark); border-radius: 2px; }
.feed-editor textarea { width: 100%; height: 100%; background: transparent; resize: none; overflow: auto; }
.feed-editbar {
  display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap;
  background: var(--warn-bg); padding: 6px 10px; border-radius: 6px; margin-bottom: 8px;
}
.error-box {
  color: var(--danger); white-space: pre-line; font-size: 12px;
  border: 1px solid var(--danger); border-radius: 6px; padding: 8px 10px; margin-bottom: 8px;
  max-height: 160px; overflow: auto;
}
.feed-card .hint { margin-bottom: 0; }

/* Mehrfachauswahl */
th.sel, td.sel { width: 1%; padding-right: 0; }
th.sel input, td.sel input { margin: 0; cursor: pointer; width: 16px; height: 16px; vertical-align: middle; }
.selbar {
  position: sticky; top: 8px; z-index: 5;
  display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap;
  background: var(--card); border: 1px solid var(--accent); border-radius: 8px;
  padding: 8px 12px; margin-bottom: 16px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}
#selCount { font-weight: 600; }
button.danger-solid { background: var(--danger); border-color: var(--danger); color: #fff; }