/* ============================================================
   AItaxes · chat.css · chatwidget "Vraag het AItaxes"
   Bouwt voort op klei.css (tokens, knopvorm, pilvorm). Alleen wat
   klei.css nog niet heeft staat hier. Geen nieuwe kleuren.
   ============================================================ */

.chat-widget {
  /* eigen maten, zodat niets van de widget naar de pagina lekt */
  --chat-breedte: 400px;
  --chat-hoogte: 620px;
  --chat-rand: 24px;
  --chat-bubbel: 60px;
  font-family: var(--font);
}

/* de widget hangt aan <body>, dus alles staat vast t.o.v. het scherm */
.chat-widget [hidden] { display: none !important; }

/* alleen voor schermlezers */
.chat-alleen-sr {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

/* ============ de bubbel ============ */
/* de nav in klei.css zit op z-index 100 en de mobiele balk op 90; de bubbel
   hoort boven die balk te zweven, het paneel boven alles. */
.chat-bubbel {
  position: fixed; right: var(--chat-rand); bottom: var(--chat-rand); z-index: 95;
  width: var(--chat-bubbel); height: var(--chat-bubbel); border-radius: 50%;
  border: 0; cursor: pointer; padding: 0;
  background: var(--knop-vul); color: #fff;
  display: flex; align-items: center; justify-content: center;
  /* zelfde 3D-schaduw als .knop, met een zachte slagschaduw omdat de bubbel
     over willekeurige pagina-inhoud kan komen te liggen */
  box-shadow: 0 6px 0 var(--knop-diep), 0 10px 26px rgba(37, 51, 43, .18);
  transition: transform .12s ease, box-shadow .12s ease;
}
.chat-bubbel:hover { transform: translateY(2px); box-shadow: 0 4px 0 var(--knop-diep), 0 8px 20px rgba(37, 51, 43, .18); }
.chat-bubbel:active { transform: translateY(6px); box-shadow: 0 0 0 var(--knop-diep), 0 4px 12px rgba(37, 51, 43, .16); }
.chat-bubbel svg { width: 26px; height: 26px; display: block; }

/* rood puntje bij een ongelezen antwoord */
.chat-punt {
  position: absolute; top: 1px; right: 1px;
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--fout); border: 3px solid var(--melk);
  pointer-events: none;
}
@media (prefers-reduced-motion: no-preference) {
  .chat-punt { animation: chat-punt-pop .4s cubic-bezier(.2, 1.6, .4, 1) backwards; }
  @keyframes chat-punt-pop { from { transform: scale(0); } }
}

/* de bubbel wordt op mobiel overbodig zodra het paneel het scherm vult */
@media (max-width: 639px) {
  .chat-widget.chat-open .chat-bubbel { display: none; }
}

/* ============ het paneel ============ */
.chat-paneel {
  position: fixed; z-index: 120;
  right: var(--chat-rand);
  bottom: calc(var(--chat-rand) + var(--chat-bubbel) + 14px);
  width: min(var(--chat-breedte), calc(100vw - 2 * var(--chat-rand)));
  height: min(var(--chat-hoogte), calc(100vh - 2 * var(--chat-rand) - var(--chat-bubbel) - 14px));
  display: flex; flex-direction: column; overflow: hidden;
  background: var(--melk);
  border-radius: var(--radius-kaart);
  box-shadow: 0 14px 0 rgba(37, 51, 43, .06), 0 26px 60px rgba(37, 51, 43, .22);
}
@media (prefers-reduced-motion: no-preference) {
  .chat-paneel { animation: chat-opengaan .26s cubic-bezier(.2, .9, .3, 1) backwards; }
  @keyframes chat-opengaan { from { opacity: 0; transform: translateY(18px) scale(.97); } }
}

/* ---- kop ---- */
.chat-kop {
  flex: 0 0 auto; position: relative; z-index: 1;
  background: var(--room); padding: 18px 62px 16px 22px;
  box-shadow: 0 4px 0 rgba(37, 51, 43, .06);
}
.chat-kop h2 { font-size: 17px; font-weight: 900; line-height: 1.2; letter-spacing: -0.01em; }
.chat-kop p { font-size: 12.5px; font-weight: 600; color: var(--dof); line-height: 1.45; margin-top: 5px; }

.chat-sluit {
  position: absolute; top: 13px; right: 13px;
  width: 44px; height: 44px; border-radius: 50%; border: 0; cursor: pointer; padding: 0;
  background: var(--melk); color: var(--dof);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 3px 0 rgba(37, 51, 43, .10);
  transition: transform .12s ease, box-shadow .12s ease, color .12s ease;
}
.chat-sluit:hover { color: var(--inkt); transform: translateY(2px); box-shadow: 0 1px 0 rgba(37, 51, 43, .10); }
.chat-sluit:active { transform: translateY(3px); box-shadow: 0 0 0 rgba(37, 51, 43, .10); }
.chat-sluit svg { width: 18px; height: 18px; display: block; }

/* ---- berichtenlijst ---- */
.chat-log {
  flex: 1 1 auto; min-height: 0; overflow-y: auto; overscroll-behavior: contain;
  padding: 20px 18px 10px;
  display: flex; flex-direction: column; gap: 14px;
  scrollbar-width: thin; scrollbar-color: rgba(37, 51, 43, .22) transparent;
}
.chat-log::-webkit-scrollbar { width: 10px; }
.chat-log::-webkit-scrollbar-thumb { background: rgba(37, 51, 43, .18); border-radius: 999px; border: 3px solid transparent; background-clip: content-box; }

.chat-regel { display: flex; flex-direction: column; max-width: 88%; }
.chat-regel--gebruiker { align-self: flex-end; align-items: flex-end; }
.chat-regel--bot { align-self: flex-start; align-items: flex-start; }
@media (prefers-reduced-motion: no-preference) {
  .chat-regel { animation: chat-inrol .3s cubic-bezier(.2, .9, .3, 1) backwards; }
  @keyframes chat-inrol { from { opacity: 0; transform: translateY(10px); } }
}

.chat-bel {
  border-radius: 20px; padding: 12px 16px;
  font-size: 15px; font-weight: 600; line-height: 1.65;
  white-space: pre-wrap; overflow-wrap: break-word;
}
.chat-regel--gebruiker .chat-bel {
  background: var(--knop-vul); color: #fff;
  border-bottom-right-radius: 8px;
  box-shadow: 0 4px 0 var(--knop-diep);
}
.chat-regel--bot .chat-bel {
  background: var(--room); color: var(--inkt);
  border-bottom-left-radius: 8px;
  box-shadow: 0 4px 0 rgba(37, 51, 43, .07);
}
/* nette melding bij budget_op, te_druk en onbekend */
.chat-regel--fout .chat-bel {
  background: var(--fout-zacht); color: var(--fout); font-weight: 700;
  box-shadow: 0 4px 0 rgba(168, 64, 42, .14);
}
.chat-regel--fout .chat-bel a { color: var(--fout); font-weight: 800; text-underline-offset: 3px; }

/* ---- aan het typen: drie stuiterende puntjes ---- */
.chat-tik { display: inline-flex; gap: 5px; align-items: center; padding: 3px 2px; }
.chat-tik span {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--dof); opacity: .45;
}
@media (prefers-reduced-motion: no-preference) {
  .chat-tik span { animation: chat-stuiter 1.1s ease-in-out infinite; }
  .chat-tik span:nth-child(2) { animation-delay: .16s; }
  .chat-tik span:nth-child(3) { animation-delay: .32s; }
  @keyframes chat-stuiter {
    0%, 62%, 100% { transform: translateY(0); opacity: .35; }
    31% { transform: translateY(-5px); opacity: .85; }
  }
}

/* ---- bronnen onder een antwoord ---- */
.chat-bronnen { margin-top: 10px; }
.chat-bronnen-kop {
  font-size: 11.5px; font-weight: 800; color: var(--dof);
  text-transform: uppercase; letter-spacing: .04em; margin-bottom: 7px;
}
.chat-bronnen-rij { display: flex; flex-wrap: wrap; gap: 8px; }
/* geënt op .pil uit klei.css, alleen kleiner en klikbaar */
.chat-bron {
  display: inline-block; text-decoration: none;
  background: var(--room); color: var(--inkt);
  border-radius: var(--radius-knop); padding: 7px 15px;
  font-size: 12.5px; font-weight: 800; line-height: 1.3;
  box-shadow: 0 4px 0 rgba(37, 51, 43, .10);
  transition: transform .12s ease, box-shadow .12s ease;
}
.chat-bron:hover { transform: translateY(2px); box-shadow: 0 2px 0 rgba(37, 51, 43, .10); }
.chat-bron:active { transform: translateY(4px); box-shadow: 0 0 0 rgba(37, 51, 43, .10); }

/* ---- startvragen bij een leeg gesprek ---- */
.chat-starters { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.chat-starters-kop { font-size: 12.5px; font-weight: 800; color: var(--dof); margin-bottom: 1px; }
.chat-starter {
  font: inherit; font-size: 14px; font-weight: 800; text-align: left;
  border: 0; cursor: pointer; max-width: 100%;
  background: var(--room); color: var(--inkt);
  border-radius: var(--radius-knop); padding: 11px 18px;
  box-shadow: 0 4px 0 rgba(37, 51, 43, .10);
  transition: transform .12s ease, box-shadow .12s ease;
}
.chat-starter:hover { transform: translateY(2px); box-shadow: 0 2px 0 rgba(37, 51, 43, .10); }
.chat-starter:active { transform: translateY(4px); box-shadow: 0 0 0 rgba(37, 51, 43, .10); }

/* ---- voet met invoerveld ---- */
.chat-voet {
  flex: 0 0 auto; background: var(--melk);
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom, 0px));
}
.chat-invoerrij {
  display: flex; align-items: flex-end; gap: 8px;
  background: var(--room); border: 2px solid transparent; border-radius: 26px;
  padding: 5px 5px 5px 16px;
  box-shadow: 0 4px 0 rgba(37, 51, 43, .08);
  transition: border-color .15s ease;
}
/* de rand is hier de zichtbare focusaanwijzing: een losse ring om de textarea
   zou binnen deze bak dubbelop staan. --knop-vul haalt ruim 3:1 op wit. */
.chat-invoerrij:focus-within { border-color: var(--knop-vul); }

.chat-invoer {
  flex: 1 1 auto; min-width: 0;
  border: 0; background: transparent; resize: none;
  font-family: var(--font); font-size: 16px; font-weight: 600; line-height: 1.5;
  color: var(--inkt); padding: 11px 0; overflow-y: auto;
  /* de hoogte tot maximaal vier regels wordt in chat.js gezet */
}
.chat-invoer:focus, .chat-invoer:focus-visible { outline: none; }
.chat-invoer::placeholder { color: var(--dof); font-weight: 600; opacity: .8; }

.chat-stuur {
  flex: 0 0 auto; width: 44px; height: 44px; border-radius: 50%;
  border: 0; cursor: pointer; padding: 0;
  background: var(--knop-vul); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 0 var(--knop-diep);
  transition: transform .12s ease, box-shadow .12s ease, background .15s ease;
}
.chat-stuur:hover:not(:disabled) { transform: translateY(2px); box-shadow: 0 2px 0 var(--knop-diep); }
.chat-stuur:active:not(:disabled) { transform: translateY(4px); box-shadow: 0 0 0 var(--knop-diep); }
.chat-stuur:disabled {
  background: var(--melk); color: var(--dof); cursor: default;
  box-shadow: 0 4px 0 rgba(37, 51, 43, .08);
}
.chat-stuur svg { width: 20px; height: 20px; display: block; }

.chat-waarschuwing {
  margin-top: 9px; text-align: center;
  font-size: 12px; font-weight: 700; color: var(--dof);
}

/* ============ mobiel: schermvullend ============ */
@media (max-width: 639px) {
  .chat-paneel {
    inset: 0; width: 100%; height: 100vh; max-height: none;
    border-radius: 0;
    box-shadow: none;
  }
  /* dvh houdt rekening met de balken van mobiele browsers */
  @supports (height: 100dvh) { .chat-paneel { height: 100dvh; } }
  .chat-kop { padding-top: calc(16px + env(safe-area-inset-top, 0px)); }
  .chat-log { padding: 18px 14px 10px; }
  .chat-voet { padding-left: 14px; padding-right: 14px; }
  .chat-regel { max-width: 92%; }
  @media (prefers-reduced-motion: no-preference) {
    @keyframes chat-opengaan { from { opacity: 0; transform: translateY(26px); } }
  }
}

/* de pagina er niet onder laten meescrollen zolang het paneel het scherm vult */
body.chat-op-slot { overflow: hidden; }

/* de mobiele wachtlijstbalk uit klei.css deelt dezelfde hoek: bubbel omhoog */
@supports selector(:has(*)) {
  @media (max-width: 767px) {
    body:has(.mob-cta.toon) .chat-bubbel { bottom: calc(var(--chat-rand) + 68px); }
  }
}

@media print { .chat-widget { display: none !important; } }
