.pc-fab{position:fixed;right:24px;bottom:24px;z-index:80;display:flex;align-items:center;gap:10px;height:58px;padding:0 22px 0 14px;border:0;border-radius:99px;background:var(--navy);color:#fff;font:600 15px Urbanist,sans-serif;cursor:pointer;box-shadow:0 18px 40px -12px rgba(10,26,63,.55);transition:transform .3s,background .3s}
.pc-fab:hover{transform:translateY(-3px);background:var(--blue)}
.pc-fab img{width:34px;height:34px;background:#fff;border-radius:50%;padding:4px}
.pc-panel{position:fixed;right:24px;bottom:96px;z-index:81;width:min(390px,calc(100vw - 32px));height:min(600px,calc(100vh - 130px));display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:0 30px 80px -20px rgba(10,26,63,.45);overflow:hidden;opacity:0;transform:translateY(20px) scale(.97);pointer-events:none;transition:.3s cubic-bezier(.2,.7,.2,1);font-family:Urbanist,sans-serif}
.pc-panel.open{opacity:1;transform:none;pointer-events:auto}
.pc-head{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#f5f8ff,#fff)}
.pc-head img{width:38px;height:38px}
.pc-head b{display:block;font:400 17px Marcellus,serif;color:var(--navy);letter-spacing:.03em}
.pc-head small{display:block;font-size:12px;color:var(--mute)}
.pc-x{margin-left:auto;border:0;background:none;font-size:26px;line-height:1;color:var(--mute);cursor:pointer;padding:4px 8px}
.pc-log{flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:12px;background:#fff;scroll-behavior:smooth}
.pc-m{max-width:86%;padding:11px 15px;border-radius:18px;font-size:14.5px;line-height:1.55;white-space:pre-wrap;word-wrap:break-word}
.pc-m.bot{align-self:flex-start;background:var(--soft);color:var(--ink);border-bottom-left-radius:6px}
.pc-m.me{align-self:flex-end;background:var(--blue);color:#fff;border-bottom-right-radius:6px}
.pc-m.typing{color:var(--mute)}
.pc-m.typing i{display:inline-block;width:6px;height:6px;margin:0 2px;border-radius:50%;background:var(--mute);animation:pcb 1s infinite}
.pc-m.typing i:nth-child(2){animation-delay:.15s}.pc-m.typing i:nth-child(3){animation-delay:.3s}
@keyframes pcb{0%,80%,100%{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-4px)}}
.pc-chips{display:flex;flex-wrap:wrap;gap:8px;padding:0 18px 12px;background:#fff}
.pc-chips button{border:1px solid #cfe0ff;background:#fff;color:var(--blue);border-radius:99px;padding:7px 14px;font:600 12.5px Urbanist,sans-serif;cursor:pointer;transition:.2s}
.pc-chips button:hover{background:var(--blue);color:#fff}
.pc-form{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line);background:#fff}
.pc-form input{flex:1;border:1px solid var(--line);border-radius:99px;padding:12px 18px;font:500 14.5px Urbanist,sans-serif;outline:none;color:var(--ink)}
.pc-form input:focus{border-color:var(--blue)}
.pc-form button{border:0;background:var(--navy);color:#fff;border-radius:99px;padding:0 20px;font:600 14px Urbanist,sans-serif;cursor:pointer}
.pc-form button:disabled{opacity:.5}
@media(max-width:600px){.pc-fab span{display:none}.pc-fab{padding:0 12px;right:16px;bottom:16px}.pc-panel{right:16px;bottom:86px}}