:root{--scp-accent:#2563eb;--scp-accent-d:#1d4ed8;--scp-bg:#fff;--scp-surface:#f8fafc;--scp-border:#e2e8f0;--scp-text:#1e293b;--scp-text2:#64748b;--scp-radius:14px;--scp-shadow:0 8px 40px rgba(0,0,0,.15),0 2px 8px rgba(0,0,0,.08)}.scp-sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.scp-widget{position:fixed;bottom:24px;right:24px;z-index:999999;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:14px;line-height:1.5}.scp-launcher{width:58px;height:58px;border-radius:50%;background:var(--scp-accent);border:none;cursor:pointer;box-shadow:0 4px 18px rgba(37,99,235,.45);display:flex;align-items:center;justify-content:center;position:relative;transition:transform .2s,box-shadow .2s}.scp-launcher:hover{transform:scale(1.07);box-shadow:0 6px 24px rgba(37,99,235,.55)}.scp-ico{width:24px;height:24px;fill:#fff}.scp-ico-close{display:none}.scp-launcher[aria-expanded=true] .scp-ico-chat{display:none}.scp-launcher[aria-expanded=true] .scp-ico-close{display:block}.scp-badge-dot{position:absolute;top:-3px;right:-3px;width:14px;height:14px;border-radius:50%;background:#ef4444;border:2px solid #fff}.scp-window{position:absolute;bottom:70px;right:0;width:370px;background:var(--scp-bg);border-radius:var(--scp-radius);box-shadow:var(--scp-shadow);display:flex;flex-direction:column;overflow:hidden;animation:scp-pop .18s ease}@keyframes scp-pop{from{opacity:0;transform:scale(.95) translateY(6px)}to{opacity:1;transform:scale(1) translateY(0)}}.scp-win-header{background:var(--scp-accent);padding:14px 16px;display:flex;align-items:center;gap:10px;color:#fff}.scp-win-avatar{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;flex-shrink:0}.scp-win-avatar svg{width:18px;height:18px;fill:#fff}.scp-win-name{font-weight:600;font-size:14px}.scp-win-status{font-size:11px;opacity:.8;display:flex;align-items:center;gap:5px}.scp-online-dot{width:7px;height:7px;border-radius:50%;background:#4ade80;display:inline-block}.scp-win-close{margin-left:auto;background:0 0;border:none;color:#fff;cursor:pointer;opacity:.7;font-size:16px;line-height:1}.scp-win-close:hover{opacity:1}.scp-messages{flex:1;overflow-y:auto;padding:14px;min-height:240px;max-height:380px;display:flex;flex-direction:column;gap:8px;background:var(--scp-surface)}.scp-msg{display:flex;flex-direction:column;max-width:84%}.scp-msg-user{align-self:flex-end;align-items:flex-end}.scp-msg-assistant{align-self:flex-start}.scp-bubble{padding:10px 13px;border-radius:14px;word-break:break-word;line-height:1.55}.scp-msg-user .scp-bubble{background:var(--scp-accent);color:#fff;border-bottom-right-radius:3px}.scp-msg-assistant .scp-bubble{background:#fff;color:var(--scp-text);border:1px solid var(--scp-border);border-bottom-left-radius:3px;box-shadow:0 1px 3px rgba(0,0,0,.06)}.scp-msg-time{font-size:10px;color:var(--scp-text2);margin-top:3px;padding:0 3px}.scp-typing{padding:6px 14px}.scp-typing-bubble{display:inline-flex;gap:4px;background:#fff;border:1px solid var(--scp-border);padding:10px 14px;border-radius:14px;border-bottom-left-radius:3px}.scp-typing-bubble span{width:7px;height:7px;border-radius:50%;background:#94a3b8;animation:scp-bounce .9s infinite}.scp-typing-bubble span:nth-child(2){animation-delay:.15s}.scp-typing-bubble span:nth-child(3){animation-delay:.3s}@keyframes scp-bounce{0%,60%,100%{transform:translateY(0)}30%{transform:translateY(-6px)}}.scp-input-row{display:flex;align-items:flex-end;gap:8px;padding:10px 12px;border-top:1px solid var(--scp-border);background:var(--scp-bg)}.scp-input{flex:1;border:1px solid var(--scp-border);border-radius:10px;padding:9px 12px;resize:none;font-family:inherit;font-size:14px;line-height:1.5;outline:none;max-height:130px;overflow-y:auto;transition:border-color .15s}.scp-input:focus{border-color:var(--scp-accent)}.scp-send{width:38px;height:38px;flex-shrink:0;background:var(--scp-accent);border:none;border-radius:10px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s}.scp-send:hover{background:var(--scp-accent-d)}.scp-send svg{width:18px;height:18px;fill:#fff}.scp-win-footer{text-align:center;font-size:10px;color:var(--scp-text2);padding:5px;border-top:1px solid #f1f5f9;background:var(--scp-bg)}.scp-clear-btn{background:0 0;border:none;color:var(--scp-text2);cursor:pointer;font-size:10px;text-decoration:underline}.scp-theme-dark{--scp-bg:#1e293b;--scp-surface:#0f172a;--scp-border:#334155;--scp-text:#e2e8f0;--scp-text2:#94a3b8}.scp-theme-dark .scp-msg-assistant .scp-bubble{background:#1e293b;border-color:#334155;color:#e2e8f0}.scp-theme-dark .scp-typing-bubble{background:#1e293b;border-color:#334155}.scp-theme-dark .scp-win-footer{border-color:#334155}@media(max-width:420px){.scp-window{width:calc(100vw - 16px);right:0;bottom:70px}.scp-widget{right:8px;bottom:8px}}.scp-msg-limited .scp-bubble{background:#fef2f2 !important;border-color:#fecaca !important;color:#991b1b !important}.scp-msg-limited .scp-bubble:before{content:'⏱ '}.scp-msg-assistant .scp-bubble a,.scp-msg-assistant .scp-bubble a:visited{color:var(--scp-accent);text-decoration:underline;text-underline-offset:2px;word-break:break-all}.scp-msg-assistant .scp-bubble a:hover{opacity:.8}.scp-theme-dark .scp-msg-assistant .scp-bubble a{color:#93c5fd}