/*
 * samtale.css — samtaleflaten (fase 6): historikk-sidebar, tråd med bobler,
 * status/«tenker», komponerlinje og modellmeny.
 * Utseende følger Claude Design-referansene (fiksr/fiksr-ai design-refs):
 * lyse surface-kort, hårfine skiller, pill-input, mono for meta, mørk orb.
 * Bygger på design-tokens.css.
 */

/* ---- Tilgjengelighet ---- */
.visuelt-skjult {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---- Topplinje: meny-ikon + modellvelger ---- */
.knapp-ikon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: var(--r-sm);
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--ink);
  cursor: pointer;
  display: none;               /* kun mobil (se media query) */
  align-items: center;
  justify-content: center;
  padding: 0;
}
.knapp-ikon::before {
  content: "";
  width: 16px;
  height: 2px;
  background: currentColor;
  box-shadow: 0 -5px 0 currentColor, 0 5px 0 currentColor;
}

.modell-velger { display: inline-flex; align-items: center; }

.modell-meny {
  font-family: var(--ui);
  font-size: var(--fs-13);
  font-weight: 500;
  color: var(--ink);
  background: var(--inset);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  padding: 7px 12px;
  max-width: 220px;
  cursor: pointer;
  outline: none;
}
.modell-meny:focus { border-color: var(--up); box-shadow: 0 0 0 3px var(--up-soft); }

/* ---- Layout: sidebar + tråd ---- */
.samtale-layout {
  flex: 1;
  display: grid;
  grid-template-columns: 264px 1fr;
  min-height: 0;              /* la barn scrolle */
}

/* ---- Historikk-sidebar ---- */
.historikk {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--hairline);
  background: var(--surface);
  min-height: 0;
}

.historikk-topp {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-4) var(--sp-3);
}

.historikk-merke {
  font-size: var(--fs-12);
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--faint);
}

.knapp-ny {
  font-family: var(--ui);
  font-size: var(--fs-13);
  font-weight: 600;
  color: var(--ink);
  background: var(--inset);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  padding: 6px 12px;
  cursor: pointer;
  transition: background .14s ease;
}
.knapp-ny:hover { background: var(--line); }

.historikk-liste {
  flex: 1;
  overflow-y: auto;
  padding: 0 var(--sp-2) var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.historikk-rad {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  border-radius: var(--r-sm);
  padding: 2px 4px 2px 6px;
  transition: background .12s ease;
}
.historikk-rad:hover { background: var(--inset); }
.historikk-rad.aktiv { background: var(--up-soft); }

/* Under en aktiv tur er navigasjon låst (jf. samtale.js) — dimmes diskré. */
.historikk-liste.opptatt { opacity: .55; }
.historikk-liste.opptatt .historikk-rad:hover { background: none; }

.historikk-tittel {
  flex: 1;
  min-width: 0;
  text-align: left;
  font-family: var(--ui);
  font-size: var(--fs-14);
  color: var(--ink);
  background: none;
  border: none;
  cursor: pointer;
  padding: 9px 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.historikk-slett {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: var(--r-sm);
  background: none;
  border: none;
  color: var(--faint);
  cursor: pointer;
  opacity: 0;
  transition: opacity .12s ease, color .12s ease, background .12s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.historikk-rad:hover .historikk-slett { opacity: 1; }
.historikk-slett:hover { color: var(--down); background: var(--down-soft); }
.historikk-slett:focus-visible { opacity: 1; }
.historikk-slett::before {
  content: "";
  width: 13px;
  height: 13px;
  background: currentColor;
  -webkit-mask: no-repeat center / contain;
  mask: no-repeat center / contain;
  -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'><path d='M4 7h16M9 7V5h6v2M6 7l1 13h10l1-13' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'><path d='M4 7h16M9 7V5h6v2M6 7l1 13h10l1-13' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/></svg>");
}

.historikk-tom {
  color: var(--faint);
  font-size: var(--fs-13);
  line-height: 1.5;
  margin: 0;
  padding: var(--sp-2) var(--sp-4) var(--sp-4);
}

/* ---- Samtale-hoved (tråd) ---- */
.samtale-hoved {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--bg);
}

.samtale-traad {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-5) var(--sp-5) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  scroll-behavior: smooth;
}

/* Bobler */
.boble {
  max-width: min(680px, 78%);
  padding: 11px 15px;
  border-radius: var(--r-lg);
  font-size: var(--fs-15);
  line-height: 1.5;
  white-space: pre-wrap;
  word-wrap: break-word;
  animation: boble-inn .22s ease-out;
}
@keyframes boble-inn { from { opacity: 0; transform: translateY(6px); } }
@media (prefers-reduced-motion: reduce) { .boble { animation: none; } }

.boble-bruker {
  align-self: flex-end;
  background: var(--ink);
  color: #fff;
  border-bottom-right-radius: var(--r-sm);
}

.boble-assistent {
  align-self: flex-start;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line);
  border-bottom-left-radius: var(--r-sm);
  box-shadow: 0 1px 2px rgba(28, 30, 34, .03);
}

/* Status / «tenker» og feilvisning */
.samtale-status {
  padding: var(--sp-2) var(--sp-5) var(--sp-3);
  font-size: var(--fs-13);
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}
.samtale-status[data-mode="status"]::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--up);
  animation: puls-prikk 1.1s ease-in-out infinite;
}
@keyframes puls-prikk { 0%, 100% { opacity: .35; } 50% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  .samtale-status[data-mode="status"]::before { animation: none; }
}

.samtale-status[data-mode="feil"] {
  color: var(--down);
  background: var(--down-soft);
  border-radius: var(--r-sm);
  margin: 0 var(--sp-5) var(--sp-3);
  padding: 10px 12px;
}
.status-paa-nytt {
  font-family: var(--ui);
  font-size: var(--fs-13);
  font-weight: 600;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  padding: 5px 12px;
  cursor: pointer;
  margin-left: auto;
}
.status-paa-nytt:hover { background: var(--inset); }
.status-paa-nytt:disabled { opacity: .45; cursor: default; }
.status-paa-nytt:disabled:hover { background: var(--surface); }

/* Tom tråd: orb + hilsen (arver .samtale-tomt fra skjelett.css) */
.samtale-hoved .samtale-tomt { flex: 1; }

/* ---- Komponerlinje: send-knapp ---- */
.knapp-send {
  font-family: var(--ui);
  font-size: var(--fs-15);
  font-weight: 600;
  color: #fff;
  background: var(--ink);
  border: none;
  border-radius: var(--r-pill);
  padding: 12px 20px;
  cursor: pointer;
  flex-shrink: 0;
  transition: opacity .15s ease;
}
.knapp-send:hover { opacity: .9; }
.knapp-send:disabled { opacity: .45; cursor: default; }

/* ---- Responsivt: sidebar som skuff på smal skjerm ---- */
@media (max-width: 720px) {
  .knapp-ikon { display: inline-flex; }
  .samtale-layout { grid-template-columns: 1fr; }
  .historikk {
    position: absolute;
    z-index: 20;
    top: 0; bottom: 0; left: 0;
    width: 82%;
    max-width: 320px;
    transform: translateX(-100%);
    transition: transform .2s ease;
    box-shadow: var(--skygge-kort);
  }
  .flate-samtale.historikk-apen .historikk { transform: translateX(0); }
  .modell-meny { max-width: 140px; }
  /* Topplinje + komponerlinje: tettere på mobil så innholdet holder seg
     innenfor viewport ned til 360px (#7). Tittelen får ellipse framfor overflyt. */
  .topplinje { gap: var(--sp-2); padding: var(--sp-3) var(--sp-4); }
  .topplinje-tittel {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .komponerlinje { gap: var(--sp-2); padding: var(--sp-3) var(--sp-4); }
  .samtale-input { padding: 12px 16px; }
  .knapp-send { padding: 12px 16px; }
}
@media (max-width: 720px) and (prefers-reduced-motion: reduce) {
  .historikk { transition: none; }
}