/* Chat na webu: asistent jako jmenovka. Bílá karta se šňůrkou, červená hlavička „Ahoj, jsem“,
   odpovědi na konferenční šedé, dotazy v inkoustu. Jedno červené tlačítko zůstává stránce;
   odeslání je inkoustové. Tokeny z /brand/tokens.css, fallbacky pro stránky bez nich. */

.vkc-launch {
  position: fixed; right: 20px; bottom: calc(20px + env(safe-area-inset-bottom, 0px)); z-index: 60;
  display: grid; grid-template-rows: auto auto; width: 168px; padding: 0; overflow: hidden;
  border: 0; border-radius: var(--vk-radius-badge, 14px); background: var(--vk-paper, #fff);
  color: var(--vk-ink, #0F1B33); text-align: left; cursor: pointer;
  box-shadow: 0 10px 30px rgba(6, 12, 28, .38), 0 0 0 1px rgba(15, 27, 51, .12);
  transition: transform var(--vk-dur, 280ms) var(--vk-ease, ease);
}
.vkc-launch:hover { transform: translateY(-2px) rotate(-1.5deg); }
.vkc-launch:focus-visible { outline: 3px solid var(--vk-los, #FFC940); outline-offset: 3px; }
.vkc-launch[hidden] { display: none; }
.vkc-launch-hd {
  background: var(--vk-red, #DC3034); color: #fff; padding: 5px 12px 4px;
  font: 700 10px/1.2 var(--vk-font-display, system-ui); letter-spacing: .16em; text-transform: uppercase;
}
.vkc-launch-bd { padding: 7px 12px 9px; display: grid; gap: 1px; }
.vkc-launch-bd b { font: 700 17px/1.15 var(--vk-font-display, system-ui); }
.vkc-launch-bd span { font: 500 12px/1.3 var(--vk-font-text, system-ui); color: var(--vk-muted, #56627A); }

.vkc-panel {
  position: fixed; right: 20px; bottom: calc(20px + env(safe-area-inset-bottom, 0px)); z-index: 61;
  width: min(400px, calc(100vw - 32px)); height: min(640px, calc(100dvh - 40px));
  display: grid; grid-template-rows: auto auto 1fr auto; overflow: hidden;
  background: var(--vk-paper, #fff); color: var(--vk-ink, #0F1B33);
  border-radius: var(--vk-radius-badge, 14px);
  box-shadow: 0 24px 60px rgba(6, 12, 28, .45), 0 0 0 1px rgba(15, 27, 51, .14);
  font: 400 15px/1.5 var(--vk-font-text, system-ui);
}
.vkc-panel[hidden] { display: none; }
/* Šňůrka: inkoust a červená, nikdy s textem. */
.vkc-lanyard { height: 4px; background: linear-gradient(90deg, var(--vk-ink, #0F1B33) 0 50%, var(--vk-red, #DC3034) 50% 100%); }
.vkc-head { background: var(--vk-red, #DC3034); color: #fff; padding: 10px 12px 12px 16px; display: grid; grid-template-columns: 1fr auto; align-items: start; gap: 8px; }
.vkc-head small { display: block; font: 700 10px/1.2 var(--vk-font-display, system-ui); letter-spacing: .16em; text-transform: uppercase; opacity: .92; }
.vkc-head h2 { margin: 2px 0 0; font: 700 21px/1.15 var(--vk-font-display, system-ui); letter-spacing: -.01em; }
.vkc-head p { margin: 4px 0 0; font-size: 12.5px; line-height: 1.35; color: #fff; opacity: .9; }
.vkc-close { width: 36px; height: 36px; border: 0; border-radius: 10px; background: rgba(255, 255, 255, .14); color: #fff; font: 700 20px/1 var(--vk-font-display, system-ui); cursor: pointer; }
.vkc-close:hover { background: rgba(255, 255, 255, .26); }
.vkc-close:focus-visible, .vkc-send:focus-visible, .vkc-chip:focus-visible, .vkc-input:focus-visible { outline: 3px solid var(--vk-los, #FFC940); outline-offset: 2px; }

.vkc-log { overflow-y: auto; padding: 16px 14px 8px; display: flex; flex-direction: column; gap: 10px; overscroll-behavior: contain; scroll-behavior: smooth; }
.vkc-msg { max-width: 88%; padding: 9px 12px; border-radius: 12px; white-space: normal; overflow-wrap: anywhere; }
.vkc-msg p { margin: 0; }
.vkc-msg p + p, .vkc-msg p + ul, .vkc-msg ul + p { margin-top: 6px; }
.vkc-msg ul { margin: 4px 0 0; padding-left: 18px; }
.vkc-msg li + li { margin-top: 2px; }
.vkc-msg strong { font-weight: 700; }
.vkc-bot { align-self: flex-start; background: var(--vk-ground, #E9ECF3); border-bottom-left-radius: 4px; }
.vkc-me { align-self: flex-end; background: var(--vk-ink, #0F1B33); color: #fff; border-bottom-right-radius: 4px; }
.vkc-who { align-self: flex-start; margin: 0 0 -6px 2px; font: 700 10px/1.2 var(--vk-font-display, system-ui); letter-spacing: .12em; text-transform: uppercase; color: var(--vk-muted, #56627A); }
.vkc-err { align-self: stretch; background: #FDECEA; color: var(--vk-err, #B42318); font-size: 14px; }
.vkc-typing { display: inline-flex; gap: 4px; padding: 4px 0; }
.vkc-typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--vk-muted, #56627A); animation: vkc-dot 1.1s var(--vk-ease, ease) infinite; }
.vkc-typing i:nth-child(2) { animation-delay: .15s; }
.vkc-typing i:nth-child(3) { animation-delay: .3s; }
@keyframes vkc-dot { 0%, 80%, 100% { opacity: .25; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-3px); } }

/* Předání člověku jako malá jmenovka. */
.vkc-handoff { align-self: flex-start; width: 220px; border-radius: 10px; overflow: hidden; box-shadow: 0 0 0 1.5px var(--vk-ink, #0F1B33); transform: rotate(-1.5deg); }
.vkc-handoff b { display: block; background: var(--vk-ink, #0F1B33); color: #fff; padding: 4px 10px; font: 700 10px/1.3 var(--vk-font-display, system-ui); letter-spacing: .16em; text-transform: uppercase; }
.vkc-handoff span { display: block; padding: 6px 10px 8px; font: 400 20px/1.2 var(--vk-font-hand, cursive); }

.vkc-chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 2px 0 4px; }
.vkc-chip { border: 1.5px solid var(--vk-ink, #0F1B33); background: #fff; color: var(--vk-ink, #0F1B33); border-radius: 999px; padding: 6px 11px; font: 600 13px/1.25 var(--vk-font-text, system-ui); cursor: pointer; text-align: left; }
.vkc-chip:hover { background: var(--vk-ink, #0F1B33); color: #fff; }

.vkc-form { border-top: 1px solid var(--vk-line, #D5DAE6); padding: 10px 12px 10px; display: grid; gap: 6px; }
.vkc-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: end; }
.vkc-input { width: 100%; min-height: 44px; max-height: 140px; resize: none; padding: 10px 12px; border: 1.5px solid var(--vk-line, #D5DAE6); border-radius: 12px; font: 400 15px/1.4 var(--vk-font-text, system-ui); color: var(--vk-ink, #0F1B33); background: #fff; }
.vkc-input:focus { border-color: var(--vk-ink, #0F1B33); }
.vkc-send { min-height: 44px; padding: 0 16px; border: 0; border-radius: 12px; background: var(--vk-ink, #0F1B33); color: #fff; font: 700 15px/1 var(--vk-font-display, system-ui); cursor: pointer; }
.vkc-send:disabled { opacity: .45; cursor: default; }
.vkc-fine { margin: 0; font-size: 11.5px; line-height: 1.4; color: var(--vk-muted, #56627A); }
.vkc-fine a { color: inherit; }
.vkc-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

@media (max-width: 520px) {
  .vkc-launch { right: 12px; bottom: calc(12px + env(safe-area-inset-bottom, 0px)); width: 144px; }
  .vkc-launch-bd span { display: none; }
  .vkc-panel { right: 0; bottom: 0; width: 100vw; height: 100dvh; border-radius: 0; padding-bottom: env(safe-area-inset-bottom, 0px); }
}
@media (prefers-reduced-motion: reduce) {
  .vkc-launch, .vkc-launch:hover { transition: none; transform: none; }
  .vkc-typing i { animation: none; opacity: .6; }
  .vkc-handoff { transform: none; }
  .vkc-log { scroll-behavior: auto; }
}