/* Stranka /bot: panel s chaty vlevo, chat uprostred. Navazuje na site.css. */
.stranka-bot { min-height: 100dvh; display: flex; flex-direction: column; }
.obal-siroky { max-width: none; padding: 0 20px; }
.hlava-vlevo { display: flex; align-items: center; gap: 10px; }
.aktivni-odkaz { color: var(--text) !important; }
.prepinac-chatu { display: none; width: 38px; height: 38px; border-radius: 8px; border: 1px solid var(--linka);
                  background: transparent; color: var(--text); cursor: pointer; place-items: center; }

.bot-rozlozeni { flex: 1; display: grid; grid-template-columns: 270px minmax(0, 1fr); }

/* Panel s chaty */
.chaty { position: sticky; top: 64px; height: calc(100dvh - 64px); display: flex; flex-direction: column;
         padding: var(--m2); border-right: 1px solid var(--linka); background: var(--pozadi); }
.novy-chat { display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%; padding: 11px;
             font: 700 15px var(--telo); color: var(--text); cursor: pointer; border-radius: 10px;
             background: var(--plocha); border: 1px solid var(--linka); }
.novy-chat:hover { border-color: var(--slez); }
.chaty-nadpis { font-size: 13px; color: var(--tlum); margin: var(--m3) 4px 8px; }
.chaty-seznam { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 2px; margin: 0 -4px; padding: 0 4px; }
.chaty-seznam li { position: relative; }
.chat-polozka { width: 100%; text-align: left; font: 15px var(--telo); color: var(--tlum); cursor: pointer;
                background: transparent; border: 0; border-radius: 8px; padding: 9px 34px 9px 10px; }
.chat-polozka span { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chat-polozka:hover { background: var(--plocha); color: var(--text); }
.chat-polozka.aktivni { background: var(--plocha-2); color: var(--text); font-weight: 500; }
.chat-akce { position: absolute; right: 4px; top: 50%; transform: translateY(-50%); display: flex; gap: 2px; opacity: 0; }
.chat-ikona { width: 26px; height: 26px; border: 0; border-radius: 6px; background: transparent; color: var(--tlum);
              cursor: pointer; display: grid; place-items: center; }
.chat-ikona:hover { color: var(--text); background: var(--plocha); }
.chat-ikona[data-smazat]:hover { color: #f08b8b; }
.chaty-seznam li:hover .chat-akce, .chat-akce:focus-within, .chat-polozka.aktivni ~ .chat-akce { opacity: 1; }
@media (hover: none) { .chat-akce { opacity: 1; } }
.chaty-seznam li:hover .chat-polozka, .chat-polozka.aktivni { padding-right: 64px; }
@media (hover: none) { .chat-polozka { padding-right: 64px; } }
.chaty-seznam li.prejmenovava .chat-polozka, .chaty-seznam li.prejmenovava .chat-akce { display: none; }
.chat-prejmenovat { width: 100%; font: 15px var(--telo); color: var(--text); background: var(--plocha-2);
                    border: 1px solid var(--ledova); border-radius: 8px; padding: 8px 10px; outline: none; }
.potvrzeni { border: 1px solid var(--linka); border-radius: 14px; background: var(--plocha); color: var(--text);
             padding: 22px; width: min(420px, calc(100vw - 32px)); }
.potvrzeni::backdrop { background: rgba(0,0,0,.6); }
.potvrzeni h2 { margin: 0 0 8px; font-size: 19px; }
.potvrzeni p { margin: 0 0 20px; color: var(--tlum); line-height: 1.5; overflow-wrap: anywhere; }
.potvrzeni p b { color: var(--text); font-weight: 600; }
.potvrzeni-tlacitka { display: flex; justify-content: flex-end; gap: 10px; }
.btn-smazat { background: #d65454; color: #fff; border-color: #d65454; }
.btn-smazat:hover { filter: brightness(1.08); }
.chaty-prazdne { color: var(--tlum); font-size: 14px; padding: 6px 10px; }
.chaty-ucet { padding-top: var(--m2); border-top: 1px solid var(--linka); margin-top: var(--m2); }
.ucet-karta { display: flex; align-items: center; gap: 10px; padding: 10px; border-radius: 10px; text-decoration: none;
              background: var(--plocha); border: 1px solid var(--linka); }
a.ucet-karta:hover { border-color: var(--slez); }
.ucet-karta > img, .ucet-karta > span { width: 34px; height: 34px; border-radius: 50%; flex: 0 0 auto; object-fit: cover;
              display: grid; place-items: center; background: var(--plocha-2); font-weight: 700; }
.ucet-karta b { display: block; font-size: 14px; }
.ucet-karta div span { display: block; font-size: 13px; color: var(--tlum); }
.ucet-karta.plna { border-color: transparent;
  background: linear-gradient(135deg, rgba(169,201,242,.12), rgba(201,178,240,.12)) padding-box,
              linear-gradient(var(--plocha), var(--plocha)) padding-box, var(--prechod) border-box; }
.ucet-karta.plna > img, .ucet-karta.plna > span { background: var(--prechod); color: #15131d; }
.ucet-karta.plna div span { color: var(--slez); font-weight: 700; }

/* Chat */
.bot-app { display: flex; flex-direction: column; width: 100%; max-width: 780px; margin: 0 auto; padding: 0 20px; min-width: 0; }
.bot-sloupec { flex: 1; padding: var(--m4) 0 var(--m3); }
.navrh-zamceny { display: flex; align-items: center; justify-content: space-between; gap: 10px; text-decoration: none;
                 font-size: 15px; color: var(--tlum); border: 1px dashed var(--linka); border-radius: 10px; padding: 12px 14px; }
.navrh-zamceny:hover { border-color: var(--slez); color: var(--text); }
.zamek-stitek { font-size: 12px; font-weight: 700; padding: 2px 9px; border-radius: 99px; background: var(--prechod); color: #15131d; white-space: nowrap; }

/* Vylepseny vzhled pro studenty */
.je-student .bot-avatar { box-shadow: 0 0 0 2px var(--slez), 0 20px 60px rgba(201,178,240,.35); }
.je-student .bot-uvod h1 { background: var(--prechod); -webkit-background-clip: text; background-clip: text; color: transparent; }
.je-student .psani { border-color: transparent;
  background: linear-gradient(var(--plocha), var(--plocha)) padding-box, var(--prechod) border-box; }
.je-student .bot-app { background: radial-gradient(60% 40% at 50% 0%, rgba(201,178,240,.08), transparent 70%); }
.je-student .z-av { box-shadow: 0 0 0 2px var(--slez); }

.zakryti { display: none; }

@media (max-width: 900px) {
  .bot-rozlozeni { grid-template-columns: minmax(0, 1fr); }
  .prepinac-chatu { display: grid; }
  .chaty { position: fixed; z-index: 30; left: 0; top: 0; bottom: 0; height: auto; width: min(300px, 85vw);
           transform: translateX(-102%); transition: transform .2s ease; padding-top: max(var(--m2), env(safe-area-inset-top, 0px)); }
  .chaty.otevreny { transform: none; box-shadow: 20px 0 60px rgba(0,0,0,.5); }
  .zakryti { display: block; position: fixed; inset: 0; z-index: 25; background: rgba(0,0,0,.5); }
  .zakryti[hidden] { display: none; }
  .stranka-bot .hlava nav .odkaz { display: none; }
}
@media (prefers-reduced-motion: reduce) { .chaty { transition: none; } }
@media (max-width: 600px) {
  .stranka-bot .hlava .akce .btn-sek { display: none; }
  .bot-app { padding: 0 16px; }
  .obal-siroky { padding: 0 12px; }
  .stranka-bot .hlava .btn { padding: 8px 12px; font-size: 13.5px; }
}
@media (max-width: 380px) { .stranka-bot .znacka .zn { display: none; } }

/* Vycerpany limit (misto pole na psani) */
.psani[hidden], .uroven-info[hidden] { display: none; }
.limit-karta { display: grid; grid-template-columns: auto 1fr auto; gap: 14px 16px; align-items: center;
  border: 1px solid var(--linka); border-radius: 16px; padding: 18px 20px;
  background: linear-gradient(135deg, rgba(169,201,242,.07), rgba(200,170,240,.07)), var(--plocha); }
.limit-karta[hidden] { display: none; }
.limit-ikona { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center;
  background: var(--plocha-2); color: var(--ledova); }
.limit-text { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.limit-text b { font-size: 16px; }
.limit-text span { color: var(--tlum); font-size: 14.5px; line-height: 1.4; }
.limit-text #limit-kdy { color: var(--text); }
.limit-akce { display: flex; flex-direction: column; align-items: stretch; gap: 6px; }
.limit-akce .btn { white-space: nowrap; text-align: center; }
.limit-znovu { background: none; border: 0; color: var(--tlum); font: 13px var(--telo); cursor: pointer; padding: 4px; }
.limit-znovu:hover { color: var(--text); text-decoration: underline; }
@media (max-width: 640px) {
  .limit-karta { grid-template-columns: auto 1fr; padding: 16px; }
  .limit-akce { grid-column: 1 / -1; }
}

.chaty-pravni { display: block; margin-top: 10px; font-size: 12.5px; color: var(--tlum); text-decoration: none; text-align: center; }
.chaty-pravni:hover { color: var(--text); text-decoration: underline; }