/* Herkese acik tanitim chatbot widget'i — landing/demo. */
.ptchat{position:fixed;right:20px;bottom:20px;z-index:1000;
  font-family:'Inter','Segoe UI',system-ui,sans-serif}
.ptchat-fab{width:58px;height:58px;border-radius:50%;border:none;cursor:pointer;
  background:var(--blue,#2563eb);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 26px rgba(37,99,235,.42);transition:transform .15s,box-shadow .15s}
.ptchat-fab:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(37,99,235,.5)}
.ptchat.open .ptchat-fab{transform:scale(.85);opacity:.6}

.ptchat-panel{position:absolute;right:0;bottom:72px;width:360px;max-width:calc(100vw - 32px);
  height:520px;max-height:calc(100vh - 120px);background:var(--panel,#fff);
  border:1px solid var(--line,#dde4ef);border-radius:16px;overflow:hidden;
  display:flex;flex-direction:column;box-shadow:0 18px 50px rgba(30,41,59,.28);
  animation:ptchat-in .18s ease}
@keyframes ptchat-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

.ptchat-head{display:flex;align-items:center;justify-content:space-between;
  padding:13px 16px;background:var(--blue,#2563eb);color:#fff}
.ptchat-head-t{display:flex;align-items:center;gap:9px;font-size:14.5px}
.ptchat-head-t img{background:#fff;border-radius:6px;padding:2px}
.ptchat-x{background:none;border:none;color:#fff;font-size:24px;line-height:1;
  cursor:pointer;opacity:.85;padding:0 4px}
.ptchat-x:hover{opacity:1}

.ptchat-log{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;
  background:var(--bg,#eef1f7)}
.ptchat-msg{max-width:82%;padding:10px 13px;border-radius:14px;font-size:13.5px;line-height:1.5;
  white-space:pre-wrap;word-wrap:break-word}
.ptchat-msg.bot{align-self:flex-start;background:var(--panel,#fff);
  border:1px solid var(--line,#dde4ef);border-bottom-left-radius:4px;color:var(--txt,#1f2a3d)}
.ptchat-msg.me{align-self:flex-end;background:var(--blue,#2563eb);color:#fff;
  border-bottom-right-radius:4px}
.ptchat-typing{align-self:flex-start;display:flex;gap:4px;padding:12px 14px;
  background:var(--panel,#fff);border:1px solid var(--line,#dde4ef);border-radius:14px;
  border-bottom-left-radius:4px}
.ptchat-typing i{width:7px;height:7px;border-radius:50%;background:var(--dim,#8b98ad);
  animation:ptchat-blink 1.2s infinite}
.ptchat-typing i:nth-child(2){animation-delay:.2s}
.ptchat-typing i:nth-child(3){animation-delay:.4s}
@keyframes ptchat-blink{0%,60%,100%{opacity:.3}30%{opacity:1}}

.ptchat-form{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line,#dde4ef);
  background:var(--panel,#fff)}
.ptchat-form input{flex:1;border:1px solid var(--line,#dde4ef);border-radius:10px;
  padding:11px 13px;font-size:13.5px;font-family:inherit;color:var(--txt,#1f2a3d);
  background:var(--bg,#eef1f7);outline:none}
.ptchat-form input:focus{border-color:var(--blue,#2563eb);background:#fff}
.ptchat-send{flex:0 0 42px;border:none;border-radius:10px;cursor:pointer;
  background:var(--blue,#2563eb);color:#fff;display:flex;align-items:center;justify-content:center}
.ptchat-send:hover{box-shadow:0 4px 14px rgba(37,99,235,.4)}
.ptchat-send:disabled{opacity:.5;cursor:default;box-shadow:none}

@media(max-width:480px){
  .ptchat{right:14px;bottom:14px}
  .ptchat-panel{bottom:70px;height:70vh}
}