@import url(https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap);:root{--tc-accent:#e8451a;--tc-accent-dark:#c73a14;--tc-bg:#ffffff;--tc-surface:#f7f7f7;--tc-border:#e8e8e8;--tc-text:#1a1a1a;--tc-muted:#888;--tc-radius:16px;--tc-font:'Inter', -apple-system, sans-serif;--tc-shadow:0 8px 40px rgba(0,0,0,0.18)}#tpchat-root *{box-sizing:border-box;margin:0;padding:0}#tpchat-toggle{position:fixed;bottom:28px;right:28px;width:56px;height:56px;border-radius:50%;background:var(--tc-accent);color:#fff;border:0;cursor:pointer;font-size:22px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(232,69,26,.45);z-index:99998;transition:transform .2s ease,background .2s ease}#tpchat-toggle:hover{background:var(--tc-accent-dark);transform:scale(1.08)}#tpchat-window{position:fixed;bottom:96px;right:28px;width:360px;max-height:560px;background:var(--tc-bg);border-radius:var(--tc-radius);box-shadow:var(--tc-shadow);z-index:99997;display:flex;flex-direction:column;overflow:hidden;font-family:var(--tc-font);animation:tcSlideUp .25s ease;border:1px solid var(--tc-border)}@keyframes tcSlideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}#tpchat-header{background:var(--tc-accent);padding:14px 16px;display:flex;align-items:center;justify-content:space-between;color:#fff;flex-shrink:0}#tpchat-header-info{display:flex;align-items:center;gap:10px}#tpchat-avatar{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.25);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex-shrink:0}#tpchat-title{font-weight:600;font-size:14px}#tpchat-status{font-size:11px;opacity:.85;margin-top:1px}#tpchat-close{background:0 0;border:0;color:rgba(255,255,255,.8);cursor:pointer;font-size:18px;padding:4px;line-height:1;transition:color .15s}#tpchat-close:hover{color:#fff}#tpchat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;scroll-behavior:smooth}#tpchat-messages::-webkit-scrollbar{width:4px}#tpchat-messages::-webkit-scrollbar-thumb{background:var(--tc-border);border-radius:4px}.tc-msg{max-width:82%;padding:10px 13px;border-radius:14px;font-size:13.5px;line-height:1.55;word-break:break-word}.tc-msg-bot{background:var(--tc-surface);color:var(--tc-text);align-self:flex-start;border-bottom-left-radius:4px}.tc-msg-user{background:var(--tc-accent);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}.tc-msg-error{background:#fff0ee;color:#c0392b;align-self:flex-start;border:1px solid #fcd;font-size:13px}#tpchat-typing{padding:10px 16px;display:flex;align-items:center;gap:4px;flex-shrink:0}#tpchat-typing span{width:7px;height:7px;border-radius:50%;background:var(--tc-muted);animation:tcBounce 1.2s infinite}#tpchat-typing span:nth-child(2){animation-delay:.2s}#tpchat-typing span:nth-child(3){animation-delay:.4s}@keyframes tcBounce{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-5px);opacity:1}}#tpchat-input-row{display:flex;align-items:flex-end;gap:8px;padding:10px 12px;border-top:1px solid var(--tc-border);background:var(--tc-bg);flex-shrink:0}#tpchat-input{flex:1;border:1.5px solid var(--tc-border);border-radius:20px;padding:9px 14px;font-size:13.5px;font-family:var(--tc-font);resize:none;outline:0;line-height:1.4;max-height:100px;overflow-y:auto;transition:border-color .15s;color:var(--tc-text);background:var(--tc-surface)}#tpchat-input:focus{border-color:var(--tc-accent);background:#fff}#tpchat-input::placeholder{color:var(--tc-muted)}#tpchat-send{width:36px;height:36px;border-radius:50%;background:var(--tc-accent);color:#fff;border:0;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s,transform .1s}#tpchat-send:hover{background:var(--tc-accent-dark)}#tpchat-send:active{transform:scale(.92)}#tpchat-send:disabled{opacity:.5;cursor:not-allowed}#tpchat-footer{padding:7px 14px;font-size:11px;color:var(--tc-muted);border-top:1px solid var(--tc-border);background:var(--tc-surface);flex-shrink:0;text-align:center}#tpchat-footer a{color:var(--tc-accent);text-decoration:none}#tpchat-footer a:hover{text-decoration:underline}@media (max-width:420px){#tpchat-window{right:0;bottom:0;width:100vw;max-height:75vh;border-radius:var(--tc-radius) var(--tc-radius)0 0}#tpchat-toggle{bottom:20px;right:16px}}