/* =====================================================================
   demo-knowledge.css – Zusatz-Styles NUR für die Wissensdatenbank-Demo (RAG).
   Ergänzt _core/demo.css (Variablen, .kpi, .btn, .badge, .hitl, .toast …).
   Diestelkamp CI: Orange #ff6d00 → Lila #7b2cbf, Dark-Mode, responsive.
   ===================================================================== */

/* Grundlayout: Frage-Bereich (breit) + Dokumenten-Sidebar --------------- */
.kb-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, .95fr);
  gap: 1.4rem;
  align-items: start;
}

/* Panel-Grundform (wiederverwendbar) ----------------------------------- */
.kb-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 1.3rem 1.35rem;
}

/* ---- Frage-Bereich ---------------------------------------------------- */
.kb-ask { display: flex; flex-direction: column; gap: 1.2rem; }

.kb-ask__head { display: flex; align-items: flex-start; gap: .75rem; margin-bottom: 1rem; }
.kb-ask__ico {
  flex-shrink: 0;
  width: 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center;
  background: var(--gradient);
  color: #fff;
}
.kb-ask__ico svg { width: 20px; height: 20px; }
.kb-ask__title { font-size: 1.12rem; font-weight: 700; margin: 0; letter-spacing: -.01em; }
.kb-ask__sub { font-size: .84rem; color: var(--text-muted); margin: .2rem 0 0; }

/* Eingabefeld + Senden -------------------------------------------------- */
.kb-form { margin-bottom: 1rem; }
.kb-input-wrap {
  display: flex;
  align-items: stretch;
  gap: .6rem;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: .55rem .55rem .55rem .85rem;
  transition: border-color .2s var(--ease-out), box-shadow .2s var(--ease-out);
}
.kb-input-wrap:focus-within {
  border-color: rgba(255,109,0,.5);
  box-shadow: 0 0 0 3px rgba(255,109,0,.12);
}
.kb-input {
  flex: 1;
  font: inherit;
  font-size: .96rem;
  color: var(--text);
  background: transparent;
  border: 0;
  resize: none;
  outline: none;
  padding: .35rem 0;
  line-height: 1.45;
  min-height: 2.6rem;
}
.kb-input::placeholder { color: var(--text-dim); }
.kb-submit { flex-shrink: 0; align-self: flex-end; }

/* Beispiel-Fragen (Chips) ---------------------------------------------- */
.kb-samples { display: flex; flex-wrap: wrap; gap: .5rem; }
.kb-sample {
  font: inherit;
  font-size: .82rem;
  font-weight: 500;
  text-align: left;
  color: var(--text-muted);
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .4rem .85rem;
  cursor: pointer;
  transition: all .16s var(--ease-out);
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}
.kb-sample:hover { color: var(--text); border-color: var(--border-strong); background: rgba(255,255,255,.06); }
.kb-sample svg { width: 14px; height: 14px; }
/* Die "ohne Grundlage"-Beispielfrage optisch dezent abgesetzt (Amber). */
.kb-sample--edge {
  color: #ffdca8;
  border-color: rgba(251,191,36,.3);
  background: rgba(251,191,36,.07);
}
.kb-sample--edge:hover { border-color: rgba(251,191,36,.5); background: rgba(251,191,36,.12); }

/* ---- Antwort-Bereich -------------------------------------------------- */
.kb-answer-region { display: flex; flex-direction: column; gap: 1.1rem; }

.kb-answer-placeholder {
  text-align: center;
  padding: 2.4rem 1.4rem;
  color: var(--text-dim);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
}
.kb-answer-placeholder svg { width: 34px; height: 34px; margin-bottom: .7rem; opacity: .7; }
.kb-answer-placeholder p { margin: 0 auto; max-width: 46ch; font-size: .9rem; }

/* Antwort-Karte --------------------------------------------------------- */
.kb-answer {
  background:
    radial-gradient(130% 130% at 0% 0%, rgba(255,109,0,.06), transparent 55%),
    radial-gradient(130% 130% at 100% 100%, rgba(157,78,221,.08), transparent 55%),
    var(--card);
  border: 1px solid rgba(157,78,221,.28);
  border-radius: var(--radius);
  padding: 1.25rem 1.3rem;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .3s var(--ease-out), transform .3s var(--ease-out);
}
.kb-answer.is-in { opacity: 1; transform: translateY(0); }
.kb-answer.is-groundless { border-color: rgba(251,191,36,.32); }

.kb-answer__head {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: .6rem; margin-bottom: .9rem;
}
.kb-answer__badge {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .78rem; font-weight: 700;
  padding: .32rem .7rem; border-radius: 999px;
  border: 1px solid transparent;
}
.kb-answer__badge svg { width: 15px; height: 15px; }
.kb-answer__badge--ok   { color: #ffcba4; background: rgba(255,109,0,.12); border-color: rgba(255,109,0,.4); }
.kb-answer__badge--warn { color: #ffdca8; background: rgba(251,191,36,.12); border-color: rgba(251,191,36,.4); }
.kb-answer__conf { font-size: .78rem; color: var(--text-dim); font-weight: 600; }

.kb-answer__frage {
  font-size: .84rem; color: var(--text-muted);
  margin: 0 0 .7rem; padding-left: .7rem;
  border-left: 2px solid var(--border-strong);
  font-style: italic;
}
.kb-answer__text {
  font-size: 1.02rem; line-height: 1.6; color: var(--text);
  margin-bottom: 1.1rem;
}
.kb-answer__text--groundless { color: #f4d9a4; }

.kb-answer__sourcelabel {
  font-size: .74rem; text-transform: uppercase; letter-spacing: .05em;
  font-weight: 700; color: var(--text-dim); margin-bottom: .7rem;
}

/* Quellen-Karten -------------------------------------------------------- */
.kb-sources { display: flex; flex-direction: column; gap: .7rem; }
.kb-source {
  background: rgba(255,255,255,.025);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .9rem 1rem;
  position: relative;
  overflow: hidden;
}
.kb-source::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 3px;
  background: var(--gradient); opacity: .85;
}
.kb-source__head { display: flex; align-items: center; gap: .6rem; margin-bottom: .55rem; }
.kb-source__idx {
  flex-shrink: 0;
  width: 22px; height: 22px; border-radius: 6px;
  display: grid; place-items: center;
  font-size: .74rem; font-weight: 800; color: #fff;
  background: var(--gradient);
}
.kb-source__meta { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: .1rem; }
.kb-source__doc { font-size: .9rem; font-weight: 700; letter-spacing: -.01em; }
.kb-source__section {
  display: inline-flex; align-items: center; gap: .3rem;
  font-size: .76rem; color: var(--text-muted);
}
.kb-source__section svg { width: 12px; height: 12px; opacity: .7; }
.kb-source__score {
  flex-shrink: 0;
  font-size: .72rem; font-weight: 800; color: #d9b8ff;
  background: rgba(157,78,221,.16);
  border: 1px solid rgba(157,78,221,.4);
  padding: .2rem .5rem; border-radius: 999px;
}
.kb-source__snippet {
  position: relative;
  margin: 0 0 .5rem;
  padding: 0 0 0 1.6rem;
  font-size: .9rem; line-height: 1.55; color: #d7dae2;
}
.kb-source__quoteico {
  position: absolute; left: 0; top: 1px; color: var(--accent-2); opacity: .55;
}
.kb-source__quoteico svg { width: 15px; height: 15px; }
.kb-source__tag {
  display: inline-block;
  font-size: .68rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em;
  color: var(--text-dim);
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border);
  padding: .18rem .5rem; border-radius: 6px;
}

.kb-answer__foot {
  display: flex; flex-wrap: wrap; gap: 1rem;
  margin-top: 1.1rem; padding-top: .9rem;
  border-top: 1px solid var(--border);
  font-size: .74rem; color: var(--text-dim);
}
.kb-answer__foot b { color: var(--text-muted); font-weight: 700; }

/* Ehrlichkeits-Hinweis in der groundless-Antwort ----------------------- */
.kb-groundless-note {
  display: flex; align-items: flex-start; gap: .55rem;
  font-size: .82rem; color: #ffdca8;
  background: rgba(251,191,36,.07);
  border: 1px solid rgba(251,191,36,.22);
  border-radius: 10px;
  padding: .7rem .85rem;
}
.kb-groundless-note svg { width: 17px; height: 17px; flex-shrink: 0; margin-top: 1px; }

/* ---- Dokumenten-Sidebar ---------------------------------------------- */
.kb-docs {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.15rem 1.25rem;
  position: sticky;
  top: 4.5rem;
}
.kb-docs__head {
  display: flex; align-items: center; justify-content: space-between;
  gap: .6rem; margin-bottom: 1rem;
}
.kb-docs__head h2 { font-size: 1.02rem; font-weight: 700; margin: 0; }
.kb-upload { white-space: nowrap; }
.kb-upload::after {
  content: "Demo";
  font-size: .6rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
  color: var(--text-dim);
  border: 1px solid var(--border-strong);
  border-radius: 5px; padding: .05rem .3rem; margin-left: .15rem;
}

.kb-doclist { display: flex; flex-direction: column; gap: .7rem; }
.kb-doc {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .85rem .9rem;
  transition: border-color .2s var(--ease-out), background .2s var(--ease-out);
}
.kb-doc:hover { border-color: var(--border-strong); background: var(--card-hover); }
.kb-doc__top { display: flex; align-items: flex-start; gap: .6rem; }
.kb-doc__ico {
  flex-shrink: 0;
  width: 32px; height: 32px; border-radius: 8px;
  display: grid; place-items: center;
  color: var(--accent);
  background: rgba(255,109,0,.1);
  border: 1px solid rgba(255,109,0,.22);
}
.kb-doc__ico svg { width: 17px; height: 17px; }
.kb-doc__meta { min-width: 0; flex: 1; }
.kb-doc__title { font-size: .92rem; font-weight: 700; letter-spacing: -.01em; line-height: 1.25; }
.kb-doc__tags { display: flex; align-items: center; gap: .5rem; margin-top: .3rem; flex-wrap: wrap; }
.badge-type {
  color: #d9b8ff;
  background: rgba(157,78,221,.14);
  border-color: rgba(157,78,221,.34);
  font-size: .68rem;
}
.kb-doc__count { font-size: .72rem; color: var(--text-dim); }

.kb-doc__sections { display: flex; flex-wrap: wrap; gap: .3rem; margin-top: .65rem; }
.kb-doc__section {
  font-size: .7rem; color: var(--text-muted);
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .18rem .45rem;
}
.kb-doc__foot {
  display: flex; flex-wrap: wrap; gap: .3rem 1rem;
  margin-top: .6rem; padding-top: .55rem;
  border-top: 1px solid var(--border);
  font-size: .7rem; color: var(--text-dim);
}

.kb-docs__hint {
  display: flex; align-items: flex-start; gap: .45rem;
  font-size: .76rem; color: var(--text-muted);
  margin: 1rem 0 0; padding-top: .9rem;
  border-top: 1px solid var(--border);
}
.kb-docs__hint svg { width: 15px; height: 15px; flex-shrink: 0; margin-top: 1px; color: var(--accent); }

/* ---- Responsive ------------------------------------------------------- */
@media (max-width: 900px) {
  .kb-layout { grid-template-columns: 1fr; }
  .kb-docs { position: static; order: 2; }
  .kb-ask { order: 1; }
}

@media (max-width: 560px) {
  .kb-panel { padding: 1.1rem 1rem; }
  .kb-input-wrap { flex-direction: column; }
  .kb-submit { align-self: stretch; width: 100%; }
  .kb-answer__text { font-size: .98rem; }
  .kb-source__head { flex-wrap: wrap; }
}