:root {
  --bg: #0f1115;
  --panel: #171a21;
  --fg: #e6e8ee;
  --muted: #98a0b0;
  --accent: #6ea8fe;
  --anchor: #8be9c5;
  --border: #2a2f3a;
  --ctl: #20283a;        /* Bedienelemente (Knöpfe/Eingaben/Chips) */
  --code-bg: #0d1017;    /* Code-Hintergrund */
  --user-bg: #243044;    /* eigene Nachricht */
}

/* v1.1: Hell-Theme (Default bleibt Dunkel) – via body.light, da CSS-Variablen vererben.
   Auch Bedienelement-/Code-/Nachrichten-Hintergründe hell, damit var(--fg)-Text lesbar bleibt. */
body.light {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --fg: #1a1d24;
  --muted: #5a6273;
  --accent: #2563eb;
  --anchor: #0a7f63;
  --border: #d4d8e0;
  --ctl: #e7ebf2;
  --code-bg: #eef1f5;
  --user-bg: #dbe4f3;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
}

header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}
header h1 { margin: 0; font-size: 20px; }
header .ver { color: var(--muted); font-size: 13px; font-weight: 400; }
header .sub { margin: 4px 0 0; color: var(--muted); font-size: 13px; }

main {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 16px;
  padding: 16px 20px;
  align-items: start;
}

#chat-col { display: flex; flex-direction: column; min-height: 70vh; }

#chat {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 4px;
  overflow-y: auto;
}

.msg { padding: 10px 12px; border-radius: 10px; max-width: 80%; }
.msg.user { align-self: flex-end; background: var(--user-bg); }
.msg.assistant { align-self: flex-start; background: var(--panel); border: 1px solid var(--border); }
.msg .role { display: block; font-size: 11px; color: var(--muted); margin-bottom: 2px; }

.anchor {
  color: var(--anchor);
  cursor: pointer;
  border-bottom: 1px dotted var(--anchor);
}
.anchor:hover { background: rgba(139, 233, 197, 0.15); border-radius: 3px; }
.anchor:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; border-radius: 3px; }

#ask-form { display: flex; gap: 8px; margin-top: 10px; }
#ask-input {
  flex: 1; padding: 10px 12px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--panel); color: var(--fg);
}
#ask-form button, .gf-btn, #context {
  padding: 9px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--ctl); color: var(--fg); cursor: pointer;
}
#ask-form button:hover { background: var(--accent); color: #0b0d12; }

#side { display: flex; flex-direction: column; gap: 16px; position: sticky; top: 16px; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 12px; }
.panel h2 { margin: 0 0 8px; font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }

#history { margin: 0; padding-left: 18px; font-size: 13px; color: var(--muted); }
#history li { margin-bottom: 4px; }
#history li.nav { cursor: pointer; }
#history li.nav:hover { color: var(--fg); }
#history .hk { color: var(--anchor); }

.msg.flash { outline: 2px solid var(--accent); transition: outline-color .4s ease; }

#context { width: 100%; margin-bottom: 12px; }
#grundfragen { display: flex; flex-wrap: wrap; gap: 6px; }
.gf-btn { font-size: 13px; }
.gf-btn.active { background: var(--accent); color: #0b0d12; border-color: var(--accent); }

/* v0.3: Status, Lade-/Fehleranzeige, Sitzungs-Buttons */
.status { margin: 4px 0 0; color: var(--muted); font-size: 12px; }
.busy { margin: 8px 4px; color: var(--muted); font-size: 13px; }
.busy.error { color: #ff8d8d; }
.row { display: flex; gap: 6px; }
#explore-sel, #export, #import-btn {
  padding: 9px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--ctl); color: var(--fg); cursor: pointer;
}
#explore-sel { margin-top: 8px; width: 100%; }
#explore-sel:disabled { opacity: .5; cursor: default; }
#export, #import-btn { flex: 1; }

/* v0.5: Quellen je Antwort (Wissensbasis-Treffer unter der Nachricht) */
.sources { font-size: 11px; color: var(--muted); margin-top: 6px; font-style: italic; }

/* v0.6: klickbare Quellen, Streaming-Bubble, Note-Modal */
.source-link { color: var(--accent); cursor: pointer; text-decoration: underline dotted; }
.source-link:hover { text-decoration: underline; }
.source-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; border-radius: 3px; }
.msg.streaming { opacity: .92; }
.modal {
  position: fixed; inset: 0; background: rgba(0, 0, 0, .55);
  display: flex; align-items: center; justify-content: center; z-index: 50; padding: 24px;
}
.modal-box {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  max-width: 760px; width: 100%; max-height: 80vh; display: flex; flex-direction: column;
  box-shadow: 0 12px 40px rgba(0, 0, 0, .5);
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
}
.modal-title { font-size: 13px; color: var(--muted); word-break: break-all; }
.modal-close {
  border: 1px solid var(--border); background: var(--ctl); color: var(--fg);
  border-radius: 8px; cursor: pointer; padding: 4px 10px;
}
.modal-close:hover { background: var(--accent); color: #0b0d12; }
.note-body {
  margin: 0; padding: 16px; overflow: auto; white-space: pre-wrap; word-break: break-word;
  font: 13px/1.5 ui-monospace, "SF Mono", Menlo, Consolas, monospace; color: var(--fg);
}

/* v0.4: Breadcrumb (Herkunft einer Antwort) + Pro-Klick-Kontextmenü */
.breadcrumb { font-size: 11px; color: var(--muted); margin-bottom: 4px; }
.ctx-menu {
  position: absolute; z-index: 10; background: var(--panel);
  border: 1px solid var(--border); border-radius: 8px; padding: 4px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, .4); display: flex; flex-direction: column; gap: 2px;
}
.ctx-menu .ctx-title { font-size: 11px; color: var(--muted); padding: 2px 6px; }
.ctx-menu button {
  text-align: left; padding: 6px 10px; border: none; border-radius: 6px;
  background: transparent; color: var(--fg); cursor: pointer;
}
.ctx-menu button:hover { background: var(--accent); color: #0b0d12; }

/* v0.7: Modell-/Wissensbasis-Panels, eigene Grundfrage, Stopp/Kopieren */
#side input[type="text"], #side textarea, #kb-type {
  width: 100%; box-sizing: border-box; margin-bottom: 6px; padding: 8px 10px;
  border-radius: 8px; border: 1px solid var(--border); background: var(--ctl); color: var(--fg);
}
#side textarea { resize: vertical; font: inherit; }
#kb-apply, #gf-save {
  width: 100%; padding: 9px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--ctl); color: var(--fg); cursor: pointer;
}
#kb-apply:hover, #gf-save:hover { background: var(--accent); color: #0b0d12; }
#gf-add { margin-top: 10px; font-size: 13px; color: var(--muted); }
#gf-add summary { cursor: pointer; margin-bottom: 6px; }
#stop { background: #5a2330; border-color: #7a2f40 !important; color: var(--fg); }
.copy-btn {
  display: block; margin-top: 8px; font-size: 11px; padding: 2px 8px;
  border: 1px solid var(--border); border-radius: 6px; background: transparent;
  color: var(--muted); cursor: pointer;
}
.copy-btn:hover { color: var(--fg); border-color: var(--accent); }

/* v0.8: Markdown-Antworten, Vergleich (Chips), Antwortstil, Treffer-Highlight */
.msg.assistant .md-p { margin: 0 0 8px; }
.msg.assistant .md-p:last-of-type { margin-bottom: 0; }
.msg.assistant .md-h { font-weight: 600; margin: 10px 0 4px; }
.msg.assistant .md-h1, .msg.assistant .md-h2 { font-size: 15px; }
.msg.assistant .md-h3, .msg.assistant .md-h4 { font-size: 14px; color: var(--fg); }
.msg.assistant .md-h5, .msg.assistant .md-h6 { font-size: 13px; color: var(--muted); }
.msg.assistant .md-list { margin: 4px 0 8px; padding-left: 22px; }
.msg.assistant .md-list li { margin-bottom: 3px; }
.msg.assistant .md-code {
  margin: 6px 0; padding: 8px 10px; border-radius: 8px; overflow-x: auto;
  background: var(--code-bg); border: 1px solid var(--border);
  font: 12.5px/1.5 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
.msg.assistant code {
  background: var(--code-bg); border: 1px solid var(--border); border-radius: 4px;
  padding: 0 4px; font: 12.5px/1.4 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
.msg.assistant .md-code code { background: none; border: none; padding: 0; }

#style { width: 100%; margin-bottom: 12px; padding: 9px 12px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--ctl); color: var(--fg); cursor: pointer; }

#compare-box { margin-top: 8px; }
#compare-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 6px; }
.chip {
  display: inline-flex; align-items: center; gap: 4px; font-size: 12px;
  background: var(--ctl); border: 1px solid var(--border); border-radius: 999px; padding: 3px 6px 3px 10px;
}
.chip-x {
  border: none; background: transparent; color: var(--muted); cursor: pointer;
  font-size: 11px; line-height: 1; padding: 2px;
}
.chip-x:hover { color: #ff8d8d; }
.chip-note { font-size: 11px; color: var(--muted); align-self: center; }
#compare-go, #compare-clear {
  flex: 1; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--ctl); color: var(--fg); cursor: pointer; font-size: 13px;
}
#compare-go:hover:not(:disabled), #compare-clear:hover { background: var(--accent); color: #0b0d12; }
#compare-go:disabled { opacity: .5; cursor: default; }

#export-md, #reset {
  flex: 1; padding: 9px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--ctl); color: var(--fg); cursor: pointer;
}
#export-md:hover { background: var(--accent); color: #0b0d12; }
#reset { border-color: #7a2f40; }
#reset:hover { background: #5a2330; }
#session-panel .hint, .hint { font-size: 11px; color: var(--muted); margin: 0 0 8px; }

.note-body mark {
  background: #6ea8fe44; color: var(--fg); border-radius: 3px;
  box-shadow: 0 0 0 2px #6ea8fe44;
}

/* v0.9: Erkundungsbaum, Belegstellen (Zeilenanker/Zitat/Obsidian), Regenerieren */
#compare-add-sel {
  width: 100%; margin-top: 6px; padding: 9px 12px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--ctl); color: var(--fg); cursor: pointer;
}
#compare-add-sel:hover:not(:disabled) { background: var(--accent); color: #0b0d12; }
#compare-add-sel:disabled { opacity: .5; cursor: default; }

#history ul.tree { list-style: none; margin: 2px 0 2px 0; padding-left: 14px; border-left: 1px solid var(--border); }
.tree-node { cursor: pointer; }
.tree-node:hover { color: var(--fg); }

.beleg { display: inline-flex; align-items: center; gap: 3px; }
.beleg-copy {
  border: none; background: transparent; color: var(--muted); cursor: pointer;
  font-size: 11px; line-height: 1; padding: 0 2px;
}
.beleg-copy:hover { color: var(--accent); }
.obsidian-link { color: var(--accent); text-decoration: none; font-size: 12px; }
.obsidian-link:hover { text-decoration: underline; }
.modal-obsidian { margin-left: auto; margin-right: 10px; }

.msg-actions { display: flex; gap: 10px; margin-top: 8px; align-items: center; }
.regen-btn {
  font-size: 11px; padding: 2px 8px; border: 1px solid var(--border); border-radius: 6px;
  background: transparent; color: var(--muted); cursor: pointer;
}
.regen-btn:hover { color: var(--fg); border-color: var(--accent); }
.msg-actions .copy-btn { margin-top: 0; }

/* v1.0: einklappbare Karten + eigener Sidebar-Scroll (Bug: lange Sidebar), Labels, GF-Sortierung */
#side { max-height: calc(100vh - 32px); overflow-y: auto; padding-right: 2px; }
.panel > summary {
  cursor: pointer; list-style: none; font-size: 13px; color: var(--muted);
  text-transform: uppercase; letter-spacing: .04em; user-select: none;
}
.panel > summary::-webkit-details-marker { display: none; }
.panel > summary::before { content: "▾ "; }
.panel:not([open]) > summary::before { content: "▸ "; }
.panel[open] > summary { margin-bottom: 8px; }
.ctl-label { display: block; font-size: 11px; color: var(--muted); margin: 6px 0 2px; }
#gf-sort {
  width: 100%; margin-bottom: 8px; padding: 8px 10px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--ctl); color: var(--fg); cursor: pointer;
}
.gf-btn[aria-pressed="true"] { box-shadow: inset 0 0 0 1px var(--accent); }

/* v1.0 Teil 2: Liste mehrerer Wissensbasen */
#kb-list { display: flex; flex-direction: column; gap: 4px; margin-bottom: 8px; }
.kb-row {
  display: flex; align-items: center; justify-content: space-between; gap: 6px;
  background: var(--ctl); border: 1px solid var(--border); border-radius: 8px; padding: 4px 6px 4px 10px;
}
.kb-label { font-size: 12px; color: var(--fg); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kb-x { border: none; background: transparent; color: var(--muted); cursor: pointer; font-size: 11px; padding: 2px; }
.kb-x:hover { color: #ff8d8d; }

/* v1.0 Teil 3: Multi-Modell-Spalten + Modell-Tag */
.model-compare { display: flex; gap: 10px; align-self: stretch; width: 100%; overflow-x: auto; padding-bottom: 4px; }
.model-col { flex: 1 1 0; min-width: 240px; display: flex; }
.model-col .msg { max-width: 100%; width: 100%; }
.model-tag {
  display: inline-block; font-size: 11px; color: var(--accent); margin-bottom: 4px;
  border: 1px solid var(--border); border-radius: 6px; padding: 1px 6px;
}
#compare-models-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 6px; }
#compare-model-add {
  width: 100%; padding: 9px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--ctl); color: var(--fg); cursor: pointer;
}
#compare-model-add:hover { background: var(--accent); color: #0b0d12; }
#compare-models-panel.active > summary::after { content: " · aktiv"; color: var(--anchor); }

/* v1.0 Teil 3: Note-Dialog – zeichengenaues Zitieren der Auswahl */
.note-tools {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 8px 16px; border-bottom: 1px solid var(--border);
}
.note-tool {
  font-size: 12px; padding: 4px 10px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--ctl); color: var(--fg); cursor: pointer;
}
.note-tool:hover:not(:disabled) { background: var(--accent); color: #0b0d12; }
.note-tool:disabled { opacity: .5; cursor: default; }
.note-tool-hint { font-size: 11px; color: var(--muted); }

/* v1.0 Teil 3: Verlauf-Auswahl (abschnittsweiser Export) */
.tree-row { display: flex; align-items: baseline; gap: 6px; }
.tree-cb { margin: 0; cursor: pointer; flex: none; }
#export-sel, #merge-btn {
  flex: 1; padding: 9px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--ctl); color: var(--fg); cursor: pointer;
}
#export-sel:hover:not(:disabled), #merge-btn:hover { background: var(--accent); color: #0b0d12; }
#export-sel:disabled { opacity: .5; cursor: default; }

/* v1.0 Teil 4: Auth-Leiste, Admin-Benutzerverwaltung */
.authbar { margin: 4px 0 0; color: var(--muted); font-size: 12px; }
.logout-link { color: var(--accent); text-decoration: none; }
.logout-link:hover { text-decoration: underline; }
#users-list { display: flex; flex-direction: column; gap: 4px; margin-bottom: 8px; }
.user-row {
  display: flex; align-items: center; justify-content: space-between; gap: 6px;
  background: var(--ctl); border: 1px solid var(--border); border-radius: 8px; padding: 4px 6px 4px 10px;
}
.user-label { font-size: 12px; color: var(--fg); }
#user-add {
  width: 100%; padding: 9px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--ctl); color: var(--fg); cursor: pointer;
}
#user-add:hover { background: var(--accent); color: #0b0d12; }

/* v1.0 Teil 4 (Verbesserung): responsives Layout – Sidebar unter den Chat, wenn schmal */
@media (max-width: 760px) {
  main { grid-template-columns: 1fr; padding: 12px; }
  #side { position: static; max-height: none; }
  .msg { max-width: 95%; }
  .model-compare { flex-direction: column; }  /* Vergleichsspalten untereinander */
  .model-col { min-width: 0; }
  header .sub { display: none; }  /* lange Hilfe-Zeile auf kleinen Schirmen ausblenden */
}

/* v1.1: Kopfzeile-Nav, Formel-Leiste, Drag-Griff, Hilfe-Overlay */
.head-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
#topnav { display: flex; align-items: center; gap: 10px; font-size: 13px; }
#topnav a { color: var(--accent); text-decoration: none; }
#topnav a:hover { text-decoration: underline; }
#topnav button {
  border: 1px solid var(--border); background: var(--ctl); color: var(--fg);
  border-radius: 8px; cursor: pointer; padding: 4px 9px; font-size: 14px;
}
#topnav button:hover { background: var(--accent); color: #0b0d12; }

/* v1.1 PR6: prominente, funktionale Formel-Leiste (Grundfrage/Kontext wählbar, Wort eingebbar) */
#formula-bar {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 0 4px 10px; padding: 9px 12px;
  font-size: 13px; color: var(--fg); background: var(--panel);
  border: 1px solid var(--accent); border-left: 4px solid var(--accent); border-radius: 10px;
}
#formula-bar .fb-lead { color: var(--muted); font-weight: 600; }
#formula-bar .fb-op { color: var(--accent); font-weight: 700; }
#fb-word {
  flex: 1; min-width: 110px; padding: 6px 9px; border-radius: 7px;
  border: 1px solid var(--border); background: var(--ctl); color: var(--fg); font: inherit;
}
#fb-grundfrage, #fb-context {
  padding: 6px 8px; border-radius: 7px; border: 1px solid var(--border);
  background: var(--ctl); color: var(--fg); font: inherit; cursor: pointer; max-width: 180px;
}
#fb-go {
  padding: 6px 12px; border-radius: 7px; border: 1px solid var(--accent);
  background: var(--accent); color: #0b0d12; cursor: pointer; font-weight: 600;
}
#fb-go:hover { filter: brightness(1.08); }
.formula-help {
  flex: none; width: 22px; height: 22px; line-height: 1; border-radius: 999px;
  border: 1px solid var(--border); background: var(--ctl); color: var(--fg); cursor: pointer;
}
.formula-help:hover { background: var(--accent); color: #0b0d12; }

.drag-handle { cursor: grab; color: var(--muted); margin-right: 6px; user-select: none; }
.drag-handle:active { cursor: grabbing; }

.kbd-box { max-width: 540px; }
.kbd-list { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 0; padding: 16px; }
.kbd-list dt { color: var(--accent); font-weight: 600; }
.kbd-list dd { margin: 0; color: var(--fg); }
.kbd-body { padding: 16px; line-height: 1.6; color: var(--fg); }

/* v1.1 PR2: Verlaufs-Suche, 1-Wort-Kontext-Chip, {anker}-einfügen */
#history-search {
  width: 100%; margin-bottom: 8px; padding: 7px 10px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--ctl); color: var(--fg);
}
.ctx-det { margin: 2px 0 4px 16px; font-size: 12px; color: var(--muted); }
.ctx-det > summary { cursor: pointer; color: var(--accent); list-style: none; }
.ctx-det > summary::-webkit-details-marker { display: none; }
.ctx-det > summary::before { content: "▸ "; }
.ctx-det[open] > summary::before { content: "▾ "; }
.ctx-full {
  margin: 4px 0 0; padding: 6px 8px; background: var(--code-bg); border: 1px solid var(--border);
  border-radius: 6px; white-space: pre-wrap; word-break: break-word; color: var(--fg);
}
#gf-add .row button { flex: 1; width: auto; }
#gf-insert-anker {
  padding: 9px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--ctl); color: var(--fg); cursor: pointer;
}
#gf-insert-anker:hover { background: var(--accent); color: #0b0d12; }

/* v1.1 PR3: Mermaid-Diagramme + klickbare Knoten */
.mermaid-wrap { margin: 8px 0; overflow-x: auto; text-align: center; }
.mermaid-wrap svg { max-width: 100%; height: auto; }
.mermaid-node { cursor: pointer; }
.mermaid-node:hover { filter: brightness(1.2); }

/* v1.1 PR4: Temperatur, Prompt-Ketten, Regenerieren mit Modell/Temperatur */
#side input[type="number"], #side select {
  width: 100%; box-sizing: border-box; margin-bottom: 6px; padding: 8px 10px;
  border-radius: 8px; border: 1px solid var(--border); background: var(--ctl); color: var(--fg);
}
#chain-start, #chain-next, #chain-auto, #chain-cancel {
  padding: 9px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--ctl); color: var(--fg); cursor: pointer;
}
#chain-start { width: 100%; }
#chain-run .row button { flex: 1; }
#chain-start:hover, #chain-next:hover, #chain-auto:hover, #chain-cancel:hover {
  background: var(--accent); color: #0b0d12;
}
#chain-progress { margin: 8px 0 6px; }
#chains-panel.active > summary::after { content: " · läuft"; color: var(--anchor); }
#chain-delete {
  width: 100%; margin-top: 6px; padding: 7px 12px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--ctl); color: var(--muted); cursor: pointer;
}
#chain-delete:hover { background: #5a2330; border-color: #7a2f40; color: var(--fg); }
#chain-add { margin-top: 10px; font-size: 13px; color: var(--muted); }
#chain-add summary { cursor: pointer; margin-bottom: 6px; }
#chain-add-stage, #chain-save { padding: 9px 12px; border-radius: 8px; border: 1px solid var(--border); background: var(--ctl); color: var(--fg); cursor: pointer; flex: 1; }
#chain-add-stage:hover, #chain-save:hover { background: var(--accent); color: #0b0d12; }
.chain-stage-row { border: 1px solid var(--border); border-radius: 8px; padding: 8px; margin-bottom: 8px; }
.chain-stage-row .cs-int { font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 4px; flex: 1; }
.chain-stage-row .cs-remove { width: 28px; flex: none; border: 1px solid var(--border); border-radius: 6px; background: transparent; color: var(--muted); cursor: pointer; }
.chain-stage-row .cs-remove:hover { color: var(--fg); border-color: var(--accent); }

.regen2-btn, .save-btn {
  font-size: 11px; padding: 2px 8px; border: 1px solid var(--border); border-radius: 6px;
  background: transparent; color: var(--muted); cursor: pointer;
}
.regen2-btn:hover, .save-btn:hover { color: var(--fg); border-color: var(--accent); }

/* v1.1 PR6: Kosten-/Budget-Anzeige + Admin-Budgeteingaben */
.budget-row { margin-bottom: 8px; }
.budget-line { font-size: 13px; color: var(--fg); margin-bottom: 3px; }
.budget-bar { height: 6px; border-radius: 999px; background: var(--ctl); overflow: hidden; }
.budget-fill { height: 100%; background: var(--accent); border-radius: 999px; }
.budget-fill.warn { background: #d9a441; }
.budget-fill.over { background: #c0524a; }
.user-item { border: 1px solid var(--border); border-radius: 8px; padding: 4px 6px; margin-bottom: 6px; }
.user-item .user-row { border: none; background: transparent; padding: 0 0 4px; }
.user-budget { display: flex; gap: 4px; }
.user-budget input { width: 100%; box-sizing: border-box; padding: 4px 6px; border-radius: 6px; border: 1px solid var(--border); background: var(--ctl); color: var(--fg); font-size: 12px; }
.user-budget button { flex: none; padding: 4px 10px; border-radius: 6px; border: 1px solid var(--border); background: var(--ctl); color: var(--fg); cursor: pointer; font-size: 12px; }
.user-budget button:hover { background: var(--accent); color: #0b0d12; }

/* v1.1 PR6: Sprungknöpfe im Chat (oben ans Ende, unten an den Anfang) */
#chat-col { position: relative; }
.jump-btn {
  position: absolute; right: 14px; z-index: 6; width: 30px; height: 30px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--ctl); color: var(--fg); cursor: pointer;
  font-size: 15px; line-height: 1; opacity: .72; box-shadow: 0 1px 4px rgba(0,0,0,.25);
}
.jump-btn:hover { opacity: 1; background: var(--accent); color: #0b0d12; }
#jump-bottom { top: 52px; }
#jump-top { bottom: 64px; }

/* v1.1 PR5: Verlauf-Inhaltsverzeichnis im HTML-Export */
.export-toc { margin: 0 0 16px; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px; background: var(--panel); }
.export-toc summary { cursor: pointer; font-weight: 600; }
.export-toc ul { margin: 8px 0 0; padding-left: 18px; }
.export-toc a { color: var(--accent); text-decoration: none; }
.export-toc a:hover { text-decoration: underline; }
.regen-form {
  margin-top: 8px; padding: 8px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--ctl); display: flex; flex-direction: column; gap: 6px;
}
.regen-form input {
  width: 100%; box-sizing: border-box; padding: 6px 8px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--bg); color: var(--fg); font: inherit;
}
.regen-form .row button {
  flex: 1; padding: 6px 10px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--bg); color: var(--fg); cursor: pointer;
}
.regen-form .row button:hover { background: var(--accent); color: #0b0d12; }