.sv-support{--sc-blue:#0d62ff;--sc-ink:#101828;--sc-muted:#667085;--sc-line:#e8edf5;--sc-soft:#f6f9ff;--sc-panel:#fff;--sc-shadow:0 18px 50px #0f172a2e;--sc-visitor:#0d62ff;--sc-agent:#eef2f6;--sc-system:transparent;z-index:80;font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;position:fixed;bottom:22px;right:22px}.sv-support--dark{--sc-ink:#e8eefc;--sc-muted:#93a0b8;--sc-line:#24314d;--sc-soft:#152033;--sc-panel:#101a2e;--sc-agent:#1a2740;--sc-shadow:0 18px 50px #00000073}.sv-support__fab{color:#fff;cursor:pointer;background:linear-gradient(135deg,#1671ff,#0a56f0);border:0;border-radius:18px;place-items:center;width:58px;height:58px;font-size:28px;line-height:1;transition:transform .18s,box-shadow .18s;display:grid;box-shadow:0 12px 28px #0d62ff59}.sv-support__fab:hover{transform:translateY(-2px);box-shadow:0 16px 32px #0d62ff6b}.sv-support__fab.is-open{box-shadow:none;background:#1d2939}.sv-support__fab.is-online:not(.is-open){box-shadow:0 12px 28px #0d62ff59,0 0 0 3px #22c55e59}.sv-support__fab{position:relative}.sv-support__fab.has-unread:not(.is-open):after{content:"";background:#ef4444;border:2px solid #fff;border-radius:50%;width:10px;height:10px;position:absolute;top:8px;right:8px;box-shadow:0 0 0 2px #ef444440}.sv-support__panel{background:var(--sc-panel);width:min(380px,100vw - 28px);height:min(560px,100vh - 110px);color:var(--sc-ink);border:1px solid var(--sc-line);box-shadow:var(--sc-shadow);border-radius:22px;flex-direction:column;animation:.18s sv-support-in;display:flex;position:absolute;bottom:72px;right:0;overflow:hidden}@keyframes sv-support-in{0%{opacity:0;transform:translateY(8px)scale(.98)}to{opacity:1;transform:none}}.sv-support__head{color:#fff;background:linear-gradient(135deg,#1671ff,#0a56f0);justify-content:space-between;gap:12px;padding:14px 14px 12px;display:flex}.sv-support__agent{align-items:center;gap:10px;min-width:0;display:flex}.sv-support__avatar{background:linear-gradient(135deg,#f9a8d4,#fb7185);border-radius:13px;flex:none;place-items:center;width:40px;height:40px;font-weight:800;display:grid;position:relative}.sv-support__avatar.is-online:after{content:"";background:#22c55e;border:2px solid #0a56f0;border-radius:50%;width:11px;height:11px;position:absolute;bottom:-1px;right:-1px}.sv-support__agent strong{font-size:15px;display:block}.sv-support__agent span{opacity:.9;align-items:center;gap:6px;margin-top:2px;font-size:12px;display:inline-flex}.sv-support__dot{background:#ffffff73;border-radius:50%;width:7px;height:7px;display:inline-block}.sv-support__agent span.is-online .sv-support__dot{background:#4ade80;box-shadow:0 0 0 3px #4ade8040}.sv-support__head-actions{align-items:flex-start;gap:6px;display:flex}.sv-support__iconbtn{color:#fff;cursor:pointer;background:#ffffff29;border:0;border-radius:10px;width:32px;height:32px;font-size:20px;line-height:1}.sv-support__form,.sv-support__composer{flex-direction:column;gap:10px;padding:14px;display:flex}.sv-support__form{flex:1;overflow:auto}.sv-support__hint{color:var(--sc-muted);margin:0 0 4px;font-size:13px;line-height:1.45}.sv-support__form label{color:var(--sc-muted);flex-direction:column;gap:6px;font-size:12px;font-weight:600;display:flex}.sv-support__form input,.sv-support__form textarea,.sv-support__composer textarea{border:1px solid var(--sc-line);background:var(--sc-soft);width:100%;color:var(--sc-ink);resize:none;border-radius:12px;outline:none;padding:11px 12px}.sv-support__form input:focus,.sv-support__form textarea:focus,.sv-support__composer textarea:focus{border-color:#a9c4ff}.sv-support__send{color:#fff;cursor:pointer;background:linear-gradient(135deg,#1671ff,#0a56f0);border:0;border-radius:12px;min-height:44px;margin-top:auto;font-weight:700}.sv-support__send:disabled{opacity:.55;cursor:default}.sv-support__list{background:radial-gradient(420px 180px at 100% 0%, #0d62ff0f, transparent 60%), var(--sc-panel);flex-direction:column;flex:1;gap:10px;padding:14px;display:flex;overflow:auto}.sv-support__msg{border-radius:14px;max-width:86%;padding:10px 12px;font-size:14px;line-height:1.4}.sv-support__msg p{white-space:pre-wrap;word-break:break-word;margin:0}.sv-support__msg small{opacity:.7;margin-bottom:4px;font-size:11px;display:block}.sv-support__msg--visitor{background:var(--sc-visitor);color:#fff;border-bottom-right-radius:5px;align-self:flex-end}.sv-support__msg--agent{background:var(--sc-agent);border-bottom-left-radius:5px;align-self:flex-start}.sv-support__msg--system{max-width:94%;color:var(--sc-muted);text-align:center;background:0 0;align-self:center;padding:4px 8px;font-size:12px}.sv-support__composer{border-top:1px solid var(--sc-line);flex-direction:row;align-items:flex-end}.sv-support__composer textarea{flex:1}.sv-support__composer button{color:#fff;background:var(--sc-blue);cursor:pointer;border:0;border-radius:12px;flex:none;width:44px;height:44px;font-size:18px}.sv-support__composer button:disabled{opacity:.5;cursor:default}.sv-support__err{color:#dc2626;font-size:12px}@media (width<=520px){.sv-support{bottom:14px;right:14px}.sv-support__panel{height:min(70vh,560px)}}