:root{--sup-blue:rgb(145,201,255);--sup-blue-2:rgba(145,201,255,.18);--sup-text:#e6f1ff;--sup-muted:#9fb4cf;--sup-bg:linear-gradient(180deg,rgba(13,18,28,0.65),rgba(13,18,28,0.35));--sup-border:1px solid rgba(145,201,255,.18);--ctaA:#ff7a00;--ctaB:#ffb300;--ctaGlow:rgba(255,136,0,.42)}.support-wrap{padding:32px 0}.support-topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.support-topbar h1{color:var(--sup-text);font-weight:500;letter-spacing:.3px;margin:0}.support-top-actions{display:flex;align-items:center;gap:10px}.support-refresh{border:var(--sup-border)!important;color:var(--sup-text)!important}.support-refresh:hover{background:rgba(145,201,255,.12);border-color:rgba(145,201,255,.45)!important}.support-badge{font-size:11px;padding:4px 8px;border-radius:5px;font-weight:500;border:1px solid transparent}.support-badge.ok{background:rgba(46,204,113,.18);color:#a6f3c9;border-color:rgba(46,204,113,.35)}.support-badge.wait{background:rgba(255,204,0,.14);color:#ffe9a6;border-color:rgba(255,204,0,.35)}.support-intro{border:var(--sup-border);border-radius:8px;background:var(--sup-bg);box-shadow:0 8px 24px rgba(0,0,0,.35),inset 0 0 0 1px rgba(145,201,255,.06);padding:14px;color:var(--sup-text);margin-bottom:12px;line-height:1.5}.support-intro a{color:var(--sup-blue);text-decoration:underline}.support-intro p{margin:0 0 10px}.support-intro ul{margin:0 0 10px 18px}.support-locked{border:var(--sup-border);border-radius:8px;background:var(--sup-bg);box-shadow:0 8px 24px rgba(0,0,0,.35),inset 0 0 0 1px rgba(145,201,255,.06);padding:18px;display:flex;align-items:center;gap:12px;justify-content:space-between}.support-locked-text{color:var(--sup-text)}.support-login-btn{background:linear-gradient(135deg,var(--ctaA),var(--ctaB))!important;color:#fff!important}.support-chat{display:grid;grid-gap:12px;gap:12px;border:var(--sup-border);border-radius:8px;background:var(--sup-bg);box-shadow:0 8px 24px rgba(0,0,0,.35),inset 0 0 0 1px rgba(145,201,255,.06);padding:14px}.support-list{height:min(56vh,640px);overflow:auto;display:flex;flex-direction:column;gap:10px;border:1px solid rgba(145,201,255,.12);border-radius:8px;padding:10px;background:rgba(11,18,32,.45)}.support-loading{display:flex;align-items:center;gap:10px;color:var(--sup-muted);padding:8px 4px}.support-empty{color:var(--sup-muted);text-align:center;padding:18px 6px}.msg-row{display:flex}.msg-row.left{justify-content:flex-start}.msg-row.right{justify-content:flex-end}.msg-bubble{position:relative;max-width:min(74ch,92%);border:1px solid rgba(145,201,255,.12);background:rgba(145,201,255,.08);color:var(--sup-text);border-radius:14px;padding:10px 12px;box-shadow:inset 0 1px 0 rgba(0,0,0,.25),0 6px 14px rgba(0,0,0,.18)}.msg-bubble.agent{background:rgba(145,201,255,.12)}.msg-bubble.user{background:linear-gradient(135deg,var(--ctaA),var(--ctaB));color:#fff;border-color:rgba(255,255,255,.18)}.msg-bubble.system{background:rgba(255,255,255,.06);color:#d9e2ef;border-style:dashed}.msg-meta{display:flex;gap:8px;align-items:center;font-size:11px;color:#c9dbf2;opacity:.9;margin-bottom:4px}.msg-author{font-weight:600;letter-spacing:.2px}.msg-time{opacity:.85}.msg-actions{margin-left:auto;display:flex;align-items:center}.msg-retract-btn{color:#fff!important;padding:2px!important;opacity:.9}.msg-retract-btn:hover{opacity:1}.msg-text{white-space:pre-wrap;word-wrap:break-word;line-height:1.35}.support-composer{display:grid;grid-gap:10px;gap:10px}.support-input .MuiFilledInput-root{background:rgba(145,201,255,.08)!important;border-radius:10px!important}.support-actions{display:flex;align-items:center;gap:10px}.support-send{color:#fff!important;background:linear-gradient(135deg,var(--ctaA),var(--ctaB))!important;border-radius:10px;padding:8px 14px;font-weight:500;letter-spacing:.3px;text-transform:uppercase;box-shadow:0 1px 0 rgba(0,0,0,.25) inset,0 6px 14px rgba(0,0,0,.25),0 0 16px 6px var(--ctaGlow)!important}.support-send[disabled]{opacity:.6;cursor:not-allowed}.support-cooldown{color:var(--sup-muted);min-width:90px;text-align:left;opacity:0;transition:opacity .2s}.support-cooldown.show{opacity:1}.hp{position:absolute;left:-9999px;top:-9999px;width:1px;height:1px;opacity:0}@media (max-width:900px){.support-list{height:54vh}.support-actions{justify-content:space-between}}.support-side{display:none}@media (min-width:900px){.support-side{display:block}.support-chat{min-width:600px}}.support-side-card{height:100%;border:var(--sup-border);border-radius:8px;background:var(--sup-bg);box-shadow:0 8px 24px rgba(0,0,0,.35),inset 0 0 0 1px rgba(145,201,255,.06);padding:14px;display:grid;align-content:start;grid-gap:10px;gap:10px}.support-side-img{width:100%;height:auto;display:block;border-radius:10px;border:1px solid rgba(145,201,255,.12);background:rgba(11,18,32,.45);object-fit:cover}.support-side-caption{color:var(--sup-muted);font-size:13px;line-height:1.4;padding:6px 2px 2px}