.support-panel {
  width:364px;max-width:calc(100vw - 32px);height:520px;max-height:calc(100dvh - 116px);
  padding:0;display:flex;flex-direction:column;overflow:hidden;
  border:1px solid #d4b47a30;border-radius:18px;
  background:#12161c;color:#eef0f1;
  box-shadow:0 22px 70px #0009,0 1px 0 #ffffff05 inset;
  animation:chat-appear .2s ease-out;
}
.support-panel[hidden]{display:none}
.chat-header {
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:21px 20px;flex-shrink:0;
  background:linear-gradient(115deg,#d4b47a0a,transparent 75%),#15191f;
  border-bottom:1px solid #d4b47a20;
}
.chat-header h2 {
  font:550 17px/1.3 Inter,"Segoe UI",system-ui,sans-serif;
  letter-spacing:-.25px;color:#eef0f1;margin:0;
}
.chat-header p{margin:6px 0 0;font-size:12px;color:#a99a7e}
.chat-header .support-close {
  position:static;display:grid;place-items:center;flex-shrink:0;
  width:32px;height:32px;border-radius:8px;
  background:#ffffff03;border:1px solid #ffffff0c;color:#8d969f;
  font-size:22px;line-height:1;transition:background .15s,color .15s,border-color .15s;
}
.chat-header .support-close:hover{background:#d4b47a0c;border-color:#d4b47a30;color:#d4b47a}
.chat-messages {
  flex:1;min-height:0;overflow-y:auto;padding:22px 17px 12px;
  overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#514b3f transparent;
  display:flex;flex-direction:column;gap:14px;
  background:radial-gradient(ellipse at 50% 0,#d4b47a04,transparent 70%);
}
.chat-empty{margin:auto 10px;text-align:center;color:#959da7;font-size:13px;line-height:1.85}
.chat-empty::before{content:"";display:block;width:28px;height:1px;background:#d4b47a70;margin:0 auto 18px}
.chat-message {
  max-width:88%;align-self:flex-start;padding:11px 13px 8px;
  border:1px solid #ffffff0b;border-radius:12px 12px 12px 3px;
  background:#1b2129;color:#d8dfe5;font-size:14px;line-height:1.55;
  overflow-wrap:anywhere;white-space:pre-wrap;
}
.chat-message.is-mine{align-self:flex-end;background:#2b261d;border-color:#d4b47a26;border-radius:12px 12px 3px 12px;color:#e4d5b9}
.chat-message time{display:block;margin-top:6px;text-align:right;font-size:10px;color:#919ba7;line-height:1.2}
.chat-message.is-mine time{color:#aa9878}
.chat-attachment{display:block;margin-top:5px;font-size:12px;color:#a2acb8}
.chat-status,.support-panel>.chat-status{min-height:20px;margin:0;padding:0 17px 7px;color:#929ba6;font-size:11px;line-height:1.45}
.chat-status.is-error,.support-panel>.chat-status.is-error{color:#e1aa91}
.chat-retry {
  color:#d4b47a;text-decoration:underline;text-underline-offset:3px;
  border:0;background:none;font:inherit;font-size:12px;padding:5px 17px 12px;cursor:pointer;
}
.chat-composer {
  display:flex;align-items:flex-end;gap:10px;padding:14px 15px 15px;
  border-top:1px solid #ffffff0b;background:#11151a;margin:0;flex-shrink:0;
}
.chat-composer textarea {
  flex:1;min-width:0;resize:none;height:52px;max-height:100px;
  background:#0b1016;border:1px solid #ffffff12;border-radius:9px;padding:12px;
  color:#e7ebee;outline:none;font:14px/1.5 Inter,"Segoe UI",system-ui,sans-serif;
  transition:border-color .15s,box-shadow .15s;
}
.chat-composer textarea:focus{border-color:#b29a68;box-shadow:0 0 0 3px #d4b47a0c}
.chat-composer textarea::placeholder{color:#858e99;opacity:1}
.chat-send {
  display:grid;place-items:center;width:44px;height:44px;flex-shrink:0;
  border:1px solid #dcc79555;border-radius:9px;color:#22221e;
  background:linear-gradient(115deg,#d1b982,#c5a971);cursor:pointer;
  box-shadow:0 1px 0 #ffffff22 inset;transition:filter .15s,background .15s;
}
.chat-send:hover:not(:disabled){filter:brightness(1.08)}
.chat-send:disabled{background:#24272b;border-color:#ffffff0a;color:#777870;box-shadow:none;cursor:default}
.chat-send svg{width:19px;height:19px}
.chat-header button:focus-visible,.chat-send:focus-visible,.chat-retry:focus-visible{outline:2px solid var(--gold,#d4b47a);outline-offset:3px}
@keyframes chat-appear{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:480px){
  .support-widget{right:12px;bottom:16px}
  .support-panel{position:fixed;left:12px;right:12px;bottom:74px;width:auto;max-width:none;height:520px;max-height:calc(100dvh - 100px);border-radius:16px}
  .chat-header{padding:19px 18px}
  .chat-composer textarea{font-size:16px}
  .chat-message{font-size:14px}
}
@media(prefers-reduced-motion:reduce){.support-panel{animation:none}}