:root {
  --akzent: #4f8cff;
  --grund: #070b14;
  --karte: rgba(255, 255, 255, 0.055);
  --karte-stark: rgba(255, 255, 255, 0.09);
  --rand: rgba(255, 255, 255, 0.11);
  --text: #e9eef8;
  --leise: #9aa6bd;
  --sehr-leise: #6f7a90;
  --fehler: #ff7a7a;
  --ok: #4ade80;
  --warn: #fbbf24;
  --radius: 16px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--grund);
  color: var(--text);
  font: 15px/1.55 "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input, textarea, select { font: inherit; color: inherit; }
a { color: var(--akzent); }

/* ---------- background: slow drifting light ---------- */
.hintergrund { position: fixed; inset: 0; overflow: hidden; z-index: 0; pointer-events: none; }
.hintergrund i { position: absolute; width: 60vmax; height: 60vmax; border-radius: 50%; filter: blur(90px); opacity: 0.32; }
.hintergrund i:nth-child(1) { background: var(--akzent); left: -18vmax; top: -22vmax; animation: treiben 46s ease-in-out infinite alternate; }
.hintergrund i:nth-child(2) { background: #6d4aff; right: -22vmax; top: 10vmax; opacity: 0.2; animation: treiben 58s ease-in-out infinite alternate-reverse; }
.hintergrund i:nth-child(3) { background: #00b3a4; left: 20vmax; bottom: -30vmax; opacity: 0.14; animation: treiben 64s ease-in-out infinite alternate; }
@keyframes treiben { from { transform: translate(0, 0) scale(1); } to { transform: translate(6vmax, 4vmax) scale(1.08); } }

#app { position: relative; z-index: 1; height: 100%; }
#app.laedt { display: grid; place-items: center; }

/* ---------- glass building blocks ---------- */
.glas { background: var(--karte); border: 1px solid var(--rand); border-radius: var(--radius); backdrop-filter: blur(22px) saturate(140%); -webkit-backdrop-filter: blur(22px) saturate(140%); }
.knopf {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 9px 16px; border-radius: 11px; border: 1px solid var(--rand);
  background: var(--karte-stark); cursor: pointer; transition: background 0.15s, border-color 0.15s, transform 0.1s;
}
.knopf { white-space: nowrap; }
.knopf:hover:not(:disabled) { background: rgba(255, 255, 255, 0.14); }
.eingabe-reihe { display: flex; gap: 8px; align-items: center; }
.eingabe-reihe input { flex: 1; }
.knopf:active:not(:disabled) { transform: translateY(1px); }
.knopf:disabled { opacity: 0.45; cursor: default; }
.knopf.akzent { background: var(--akzent); border-color: transparent; color: #fff; font-weight: 600; }
.knopf.akzent:hover:not(:disabled) { filter: brightness(1.08); background: var(--akzent); }
.knopf.gefahr { color: var(--fehler); border-color: rgba(255, 122, 122, 0.35); }
.knopf.klein { padding: 5px 11px; font-size: 13px; border-radius: 9px; }
.knopf.leer { background: transparent; border-color: transparent; color: var(--leise); }
.knopf.leer:hover:not(:disabled) { color: var(--text); background: var(--karte); }

.feld { display: grid; gap: 6px; margin-bottom: 14px; }
.feld > span { font-size: 13px; color: var(--leise); font-weight: 600; }
.feld small { color: var(--sehr-leise); font-size: 12.5px; }
input[type="text"], input[type="password"], textarea, select {
  width: 100%; padding: 10px 12px; border-radius: 11px; border: 1px solid var(--rand);
  background: rgba(0, 0, 0, 0.28); outline: none; transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus, textarea:focus, select:focus { border-color: var(--akzent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--akzent) 25%, transparent); }
textarea { resize: vertical; min-height: 90px; line-height: 1.5; }
select option { background: #121a2b; }
input[type="color"] { width: 56px; height: 36px; padding: 2px; border-radius: 9px; border: 1px solid var(--rand); background: transparent; cursor: pointer; }

.meldung { padding: 10px 14px; border-radius: 11px; font-size: 14px; margin: 10px 0; }
.meldung.fehler { background: rgba(255, 122, 122, 0.1); border: 1px solid rgba(255, 122, 122, 0.3); color: #ffc2c2; }
.meldung.ok { background: rgba(74, 222, 128, 0.08); border: 1px solid rgba(74, 222, 128, 0.28); color: #c7f5d8; }
.meldung.hinweis { background: rgba(251, 191, 36, 0.08); border: 1px solid rgba(251, 191, 36, 0.28); color: #fde7b0; }
.leise { color: var(--leise); }
.klein { font-size: 13px; }

/* ---------- the working sign: a turning glass ball, kept apart from the text ---------- */
.arbeit { display: inline-flex; align-items: center; gap: 14px; color: var(--leise); font-size: 14px; margin: 4px 0 18px; }
.arbeit.gross .kugel { width: 46px; height: 46px; }
.kugel {
  position: relative; width: 26px; height: 26px; border-radius: 50%; flex: none;
  background: radial-gradient(circle at 35% 30%, #fff 0 8%, color-mix(in srgb, var(--akzent) 70%, #fff) 22%, var(--akzent) 58%, #0d1b44 100%);
  box-shadow: 0 0 18px color-mix(in srgb, var(--akzent) 55%, transparent);
  animation: atmen 2.4s ease-in-out infinite;
}
.kugel::after {
  content: ""; position: absolute; inset: -5px; border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0 60%, color-mix(in srgb, var(--akzent) 80%, #fff) 85%, transparent 100%);
  -webkit-mask: radial-gradient(circle, transparent 62%, #000 64%); mask: radial-gradient(circle, transparent 62%, #000 64%);
  animation: drehen 1.1s linear infinite;
}
/* At rest the ball only breathes; it turns only while the KI works. */
.ruhig .kugel { animation-duration: 6s; }
.ruhig .kugel::after { animation: none; opacity: 0.35; }
@keyframes drehen { to { transform: rotate(360deg); } }
@keyframes atmen { 50% { transform: scale(1.06); filter: brightness(1.12); } }

/* ---------- login and invitation ---------- */
.tor { min-height: 100%; display: grid; place-items: center; padding: 24px 16px; }
.tor-karte { width: min(420px, 100%); padding: 32px 28px; }
.tor-karte h1 { margin: 14px 0 4px; font-size: 24px; }
.tor-karte p { margin: 0 0 22px; color: var(--leise); }
.tor-zeichen { width: 52px; height: 52px; }
.tor-karte .knopf.akzent { width: 100%; padding: 11px; margin-top: 6px; }
.tor-fuss { margin-top: 18px; font-size: 12.5px; color: var(--sehr-leise); text-align: center; }

/* ---------- main frame ---------- */
.rahmen { display: grid; grid-template-columns: 290px 1fr; height: 100%; gap: 14px; padding: 14px; }
.seite { display: flex; flex-direction: column; min-height: 0; padding: 14px; }
.firmenkopf { display: flex; align-items: center; gap: 11px; padding: 6px 6px 14px; border-bottom: 1px solid var(--rand); margin-bottom: 12px; }
.firmenpunkt { width: 12px; height: 12px; border-radius: 50%; background: var(--akzent); box-shadow: 0 0 12px var(--akzent); flex: none; }
.firmenkopf b { font-size: 16px; line-height: 1.25; overflow-wrap: anywhere; }
.firmenkopf small { display: block; color: var(--sehr-leise); font-size: 12px; }
.neu { width: 100%; margin-bottom: 12px; }
.gespraeche { flex: 1; overflow-y: auto; display: grid; align-content: start; gap: 3px; margin: 0 -6px; padding: 0 6px; }
.gespraech { display: flex; align-items: center; gap: 6px; padding: 8px 10px; border-radius: 10px; cursor: pointer; color: var(--leise); border: 1px solid transparent; }
.gespraech:hover { background: var(--karte); color: var(--text); }
.gespraech.aktiv { background: color-mix(in srgb, var(--akzent) 16%, transparent); border-color: color-mix(in srgb, var(--akzent) 35%, transparent); color: var(--text); }
.gespraech span { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; }
.gespraech .weg { opacity: 0; padding: 2px 7px; }
.gespraech:hover .weg, .gespraech:focus-within .weg { opacity: 1; }
.leer-liste { color: var(--sehr-leise); font-size: 13px; padding: 8px 10px; }
.person { border-top: 1px solid var(--rand); padding-top: 12px; margin-top: 10px; display: grid; gap: 8px; }
.person-name { font-size: 14px; }
.person-name small { display: block; color: var(--sehr-leise); font-size: 12px; }
.person-knoepfe { display: flex; flex-wrap: wrap; gap: 6px; }

.haupt { display: flex; flex-direction: column; min-height: 0; overflow: hidden; }
.kopf { display: flex; align-items: center; gap: 10px; padding: 14px 20px; border-bottom: 1px solid var(--rand); min-height: 56px; }
.kopf h2 { margin: 0; font-size: 16px; font-weight: 600; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.menue-knopf { display: none; }

/* ---------- conversation ---------- */
.verlauf { flex: 1; overflow-y: auto; padding: 24px clamp(16px, 4vw, 48px); scroll-behavior: smooth; }
.verlauf-innen { max-width: 860px; margin: 0 auto; }
.willkommen { text-align: center; padding: 8vh 0 24px; }
.willkommen h1 { font-size: clamp(22px, 3vw, 30px); margin: 18px 0 8px; }
.willkommen p { color: var(--leise); max-width: 560px; margin: 0 auto 22px; white-space: pre-line; }
.vorschlaege { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.vorschlag { padding: 9px 14px; border-radius: 999px; border: 1px solid var(--rand); background: var(--karte); cursor: pointer; font-size: 14px; text-align: left; }
.vorschlag:hover { border-color: color-mix(in srgb, var(--akzent) 55%, transparent); background: color-mix(in srgb, var(--akzent) 12%, transparent); }

.nachricht { margin: 0 0 26px; }
.nachricht.nutzer { display: flex; justify-content: flex-end; }
.nachricht.nutzer .blase { max-width: min(680px, 88%); padding: 11px 16px; border-radius: 16px 16px 4px 16px; background: color-mix(in srgb, var(--akzent) 22%, rgba(255, 255, 255, 0.04)); border: 1px solid color-mix(in srgb, var(--akzent) 35%, transparent); white-space: pre-wrap; overflow-wrap: anywhere; }
.antwort { overflow-wrap: anywhere; }
.antwort > :first-child { margin-top: 0; }
.antwort p { margin: 0 0 12px; }
.antwort h2, .antwort h3, .antwort h4 { margin: 20px 0 8px; line-height: 1.3; }
.antwort h2 { font-size: 19px; } .antwort h3 { font-size: 17px; } .antwort h4 { font-size: 15.5px; }
.antwort ul, .antwort ol { margin: 0 0 12px; padding-left: 22px; }
.antwort li { margin: 3px 0; }
.antwort code { font-family: "Cascadia Code", Consolas, monospace; font-size: 0.92em; background: rgba(255, 255, 255, 0.08); padding: 1px 5px; border-radius: 5px; }
.antwort pre { background: rgba(0, 0, 0, 0.38); border: 1px solid var(--rand); border-radius: 11px; padding: 12px 14px; overflow-x: auto; }
.antwort pre code { background: none; padding: 0; }
.antwort blockquote { margin: 0 0 12px; padding: 4px 14px; border-left: 3px solid var(--akzent); color: var(--leise); }
.antwort hr { border: none; border-top: 1px solid var(--rand); margin: 18px 0; }
.tabelle { overflow-x: auto; margin: 0 0 14px; }
.antwort table { border-collapse: collapse; font-size: 14px; min-width: 60%; }
.antwort th, .antwort td { border: 1px solid var(--rand); padding: 6px 10px; text-align: left; vertical-align: top; }
.antwort th { background: var(--karte-stark); }
.zitat {
  display: inline-grid; place-items: center; min-width: 20px; height: 20px; padding: 0 5px; margin: 0 2px;
  border-radius: 6px; border: none; cursor: pointer; vertical-align: 2px;
  font-size: 11.5px; font-weight: 700; color: #fff; background: color-mix(in srgb, var(--akzent) 75%, #000);
}
.zitat:hover { filter: brightness(1.2); }
.ki-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 6px; color: var(--sehr-leise); font-size: 12.5px; }

.quellen { margin-top: 14px; display: grid; gap: 8px; }
.quellen > b { font-size: 12.5px; color: var(--leise); letter-spacing: 0.04em; text-transform: uppercase; }
.quelle { padding: 9px 12px; border-radius: 11px; background: var(--karte); border: 1px solid var(--rand); cursor: pointer; transition: border-color 0.2s, background 0.2s; }
.quelle:hover { border-color: color-mix(in srgb, var(--akzent) 45%, transparent); }
.quelle.leuchtet { border-color: var(--akzent); background: color-mix(in srgb, var(--akzent) 14%, transparent); }
.quelle-kopf { display: flex; gap: 10px; align-items: baseline; font-size: 14px; }
.quelle-kopf .zitat { cursor: inherit; }
.quelle-kopf small { color: var(--sehr-leise); }
.quelle-text { display: none; margin-top: 8px; font-size: 13.5px; color: var(--leise); white-space: pre-wrap; max-height: 260px; overflow-y: auto; }
.quelle.offen .quelle-text { display: block; }

.eingabe { padding: 12px clamp(16px, 4vw, 48px) 16px; border-top: 1px solid var(--rand); }
.eingabe-innen { max-width: 860px; margin: 0 auto; }
.eingabe-feld { display: flex; align-items: flex-end; gap: 10px; padding: 8px 8px 8px 14px; border-radius: 16px; border: 1px solid var(--rand); background: rgba(0, 0, 0, 0.3); }
.eingabe-feld:focus-within { border-color: var(--akzent); }
.eingabe-feld textarea { border: none; background: transparent; padding: 6px 0; min-height: 26px; max-height: 220px; resize: none; box-shadow: none; }
.eingabe-hinweis { margin: 8px 2px 0; font-size: 12px; color: var(--sehr-leise); }

/* ---------- administration ---------- */
.verwaltung { flex: 1; overflow-y: auto; padding: 22px clamp(16px, 3vw, 36px); }
.verwaltung-innen { max-width: 920px; margin: 0 auto; }
.reiter { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; }
.reiter button { padding: 8px 14px; border-radius: 10px; border: 1px solid var(--rand); background: transparent; cursor: pointer; color: var(--leise); }
.reiter button.aktiv { background: color-mix(in srgb, var(--akzent) 18%, transparent); border-color: color-mix(in srgb, var(--akzent) 45%, transparent); color: var(--text); }
.block { padding: 20px; margin-bottom: 16px; }
.block h3 { margin: 0 0 4px; font-size: 17px; }
.block > p { margin: 0 0 16px; color: var(--leise); font-size: 14px; }
.zeile2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.wahl { display: grid; gap: 8px; }
.wahl label { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border-radius: 11px; border: 1px solid var(--rand); cursor: pointer; }
.wahl label:has(input:checked) { border-color: var(--akzent); background: color-mix(in srgb, var(--akzent) 10%, transparent); }
.wahl input { margin-top: 4px; accent-color: var(--akzent); }
.wahl small { display: block; color: var(--sehr-leise); }
.aktionen { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

.tabellenliste { display: grid; gap: 6px; }
.eintrag { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; padding: 10px 14px; border-radius: 12px; background: var(--karte); border: 1px solid var(--rand); }
.eintrag b { font-weight: 600; overflow-wrap: anywhere; }
.eintrag small { display: block; color: var(--sehr-leise); font-size: 12.5px; }
.eintrag .aktionen { justify-content: flex-end; }
.marke { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; border: 1px solid var(--rand); color: var(--leise); }
.marke.ok { color: #9ff0bf; border-color: rgba(74, 222, 128, 0.35); }
.marke.warn { color: #fde7b0; border-color: rgba(251, 191, 36, 0.35); }
.marke.fehler { color: #ffc2c2; border-color: rgba(255, 122, 122, 0.35); }

.ablage { display: grid; place-items: center; gap: 6px; padding: 26px 16px; border: 1.5px dashed var(--rand); border-radius: 14px; text-align: center; color: var(--leise); cursor: pointer; transition: border-color 0.15s, background 0.15s; }
.ablage.ueber, .ablage:hover { border-color: var(--akzent); background: color-mix(in srgb, var(--akzent) 8%, transparent); }
.ablage b { color: var(--text); }
.ablage input { display: none; }

.linkbox { display: flex; gap: 8px; align-items: center; margin-top: 10px; }
.linkbox input { font-family: "Cascadia Code", Consolas, monospace; font-size: 12.5px; }
.protokoll-zeile { display: grid; grid-template-columns: 150px 1fr; gap: 12px; padding: 8px 4px; border-bottom: 1px solid var(--rand); font-size: 14px; }
.protokoll-zeile small { color: var(--sehr-leise); }

@media (max-width: 860px) {
  .rahmen { grid-template-columns: 1fr; padding: 8px; gap: 8px; }
  .seite { position: fixed; inset: 8px auto 8px 8px; width: min(300px, 86vw); z-index: 5; transform: translateX(-110%); transition: transform 0.2s; background: rgba(12, 18, 32, 0.92); }
  .rahmen.seite-offen .seite { transform: none; }
  .menue-knopf { display: inline-flex; }
  .zeile2 { grid-template-columns: 1fr; }
  .protokoll-zeile { grid-template-columns: 1fr; gap: 2px; }
}

@media (prefers-reduced-motion: reduce) {
  .hintergrund i, .kugel, .kugel::after { animation: none; }
}