#sc-root{position:fixed;right:22px;bottom:22px;z-index:99999;font-family:Arial,sans-serif}#sc-launcher{width:58px;height:58px;border:0;border-radius:50%;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;font-size:23px;box-shadow:0 10px 30px #0004;cursor:pointer;position:relative}#sc-badge{display:none;position:absolute;right:-2px;top:-4px;background:#ef4444;color:#fff;min-width:20px;height:20px;border-radius:10px;font:700 12px/20px Arial}#sc-panel{display:none;position:absolute;right:0;bottom:72px;width:370px;max-width:calc(100vw - 28px);height:560px;max-height:72vh;background:#fff;border-radius:18px;overflow:hidden;box-shadow:0 18px 55px #0005;border:1px solid #e5e7eb}#sc-panel.open{display:flex;flex-direction:column}#sc-panel header{padding:15px 16px;color:#fff;background:linear-gradient(135deg,#1d4ed8,#6d28d9);display:flex;justify-content:space-between;align-items:center}#sc-panel header strong,#sc-panel header small{display:block}#sc-panel header small{font-size:11px;opacity:.9;margin-top:3px}.sc-online{display:inline-block;width:8px;height:8px;background:#4ade80;border-radius:50%}#sc-close{border:0;background:transparent;color:#fff;font-size:27px;cursor:pointer}#sc-status{font-size:12px;text-align:center;padding:6px;background:#f8fafc;color:#64748b}#sc-messages{flex:1;overflow:auto;padding:14px;background:#f1f5f9}.sc-msg{max-width:82%;padding:9px 12px;margin:7px 0;border-radius:14px;white-space:pre-wrap;word-break:break-word;font-size:14px}.sc-user{margin-left:auto;background:#2563eb;color:#fff;border-bottom-right-radius:4px}.sc-admin,.sc-bot{background:#fff;color:#1f2937;border-bottom-left-radius:4px;box-shadow:0 1px 3px #0001}.sc-meta{font-size:10px;opacity:.65;margin-top:4px}.sc-system{text-align:center;color:#64748b;font-size:12px;margin:10px}#sc-quick{display:flex;gap:6px;padding:8px;overflow:auto;background:#fff;border-top:1px solid #e5e7eb}#sc-quick button{white-space:nowrap;border:1px solid #c7d2fe;background:#eef2ff;color:#3730a3;border-radius:16px;padding:6px 9px;font-size:11px}#sc-form{display:flex;gap:8px;padding:10px;background:#fff;border-top:1px solid #e5e7eb}#sc-input{flex:1;resize:none;height:44px;border:1px solid #d1d5db;border-radius:12px;padding:10px;outline:none}#sc-form button{width:44px;border:0;border-radius:12px;background:#2563eb;color:#fff}@media(max-width:520px){#sc-root{right:12px;bottom:12px}#sc-panel{position:fixed;inset:10px;width:auto;height:auto;max-height:none;bottom:10px}}