#pc-chat-button{position:fixed;right:22px;bottom:22px;z-index:9998;width:64px;height:64px;border:0;border-radius:22px;cursor:pointer;color:#fff;font-size:28px;background:linear-gradient(135deg,#00f5d4,#2f7dff,#8a4cff);box-shadow:0 18px 50px rgba(0,245,212,.28)}
#pc-chat{position:fixed;right:22px;bottom:98px;z-index:9999;width:min(390px,calc(100vw - 28px));height:610px;max-height:calc(100vh - 125px);display:none;flex-direction:column;overflow:hidden;border-radius:28px;color:#fff;background:radial-gradient(circle at top right,rgba(138,76,255,.18),transparent 32%),radial-gradient(circle at top left,rgba(0,245,212,.15),transparent 30%),#050713;border:1px solid rgba(255,255,255,.12);box-shadow:0 36px 100px rgba(0,0,0,.62)}
#pc-chat.open{display:flex;animation:pcOpen .25s ease}
.pc-chat-header{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px;border-bottom:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04)}
.pc-chat-brand{display:flex;align-items:center;gap:12px}.pc-chat-logo{width:44px;height:44px;border-radius:15px;display:grid;place-items:center;font-weight:900;color:#06100f;background:linear-gradient(135deg,#00f5d4,#8a4cff)}
.pc-chat-brand strong{display:block;font-size:16px}.pc-chat-brand span{display:block;margin-top:3px;font-size:12px;color:#b6bfd3}.pc-chat-close{width:36px;height:36px;border-radius:12px;border:1px solid rgba(255,255,255,.12);color:#fff;background:rgba(255,255,255,.05);cursor:pointer}
.pc-chat-messages{flex:1;overflow-y:auto;padding:18px;scroll-behavior:smooth}.pc-msg{max-width:86%;margin:0 0 12px;padding:13px 15px;border-radius:18px;line-height:1.45;font-size:14px;white-space:pre-line}
.pc-msg.bot{margin-right:auto;color:#eef7ff;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.09);border-bottom-left-radius:6px}.pc-msg.user{margin-left:auto;color:#06100f;font-weight:700;background:linear-gradient(135deg,#00f5d4,#66dcff);border-bottom-right-radius:6px}
.pc-quick-replies{display:flex;flex-wrap:wrap;gap:8px;padding:0 18px 14px}.pc-quick-replies button{border:1px solid rgba(0,245,212,.32);border-radius:999px;padding:9px 12px;cursor:pointer;color:#eafffb;background:rgba(0,245,212,.07);font-size:12px}
.pc-chat-input-wrap{display:flex;gap:10px;padding:14px;border-top:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.035)}#pc-chat-input{flex:1;min-width:0;border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:13px 14px;outline:none;color:#fff;background:rgba(255,255,255,.06)}#pc-chat-send{width:48px;border:0;border-radius:16px;cursor:pointer;color:#07100f;font-size:18px;font-weight:900;background:linear-gradient(135deg,#00f5d4,#8a4cff)}
.pc-chat-footer{padding:9px 14px 13px;text-align:center;color:#7f899f;font-size:11px}@keyframes pcOpen{from{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}
@media(max-width:600px){#pc-chat{right:14px;left:14px;bottom:88px;width:auto;height:72vh}#pc-chat-button{right:16px;bottom:16px}}