.support-page{background:radial-gradient(900px 480px at 90% -15%, color-mix(in oklch, var(--lh-accent) 12%, transparent), transparent 65%), var(--lh-bg);min-height:100dvh;overflow:hidden}.support-status{color:var(--lh-text-muted);font-size:12px}.support-shell{width:min(1180px,100% - 32px);height:calc(100vh - var(--topbar-height) - 28px);border:1px solid var(--lh-border);background:color-mix(in oklch, var(--lh-surface) 94%, transparent);border-radius:18px;grid-template-columns:320px 1fr;margin:14px auto;display:grid;overflow:hidden;box-shadow:0 20px 70px #00000024}.support-shell:not(.is-admin){grid-template-columns:1fr;max-width:880px}.conversation-sidebar{border-right:1px solid var(--lh-border);background:color-mix(in oklch, var(--lh-bg) 60%, var(--lh-surface));min-width:0;overflow:hidden}.conversation-sidebar:not(.hidden){flex-direction:column;display:flex}.conversation-sidebar-head{justify-content:space-between;align-items:flex-end;padding:22px 20px 12px;display:flex}.conversation-sidebar-head small{color:var(--lh-accent);letter-spacing:.08em;font-weight:700}.conversation-sidebar-head h1,.chat-head h1{margin:5px 0 0;font-size:19px}.conversation-count{min-width:28px;color:var(--lh-accent);background:color-mix(in oklch, var(--lh-accent) 13%, transparent);text-align:center;border-radius:99px;padding:4px 8px;font-size:12px}.conversation-count.has-unread{color:#fff;background:#ff3b4f;box-shadow:0 0 0 3px oklch(65.7865% .229076 21.324/.16)}.conversation-search{padding:8px 14px 12px}.conversation-search input{box-sizing:border-box;border:1px solid var(--lh-border);width:100%;color:var(--lh-text);background:var(--lh-surface);border-radius:10px;padding:10px 12px}.broadcast-button{border:1px solid color-mix(in oklch, var(--lh-accent) 38%, var(--lh-border));color:var(--lh-text);background:color-mix(in oklch, var(--lh-accent) 9%, var(--lh-surface));text-align:left;cursor:pointer;border-radius:11px;align-items:center;gap:10px;margin:0 14px 12px;padding:11px 12px;display:flex}.broadcast-button:hover,.broadcast-button.active{border-color:var(--lh-accent);background:color-mix(in oklch, var(--lh-accent) 15%, var(--lh-surface))}.broadcast-button:disabled{opacity:.45;cursor:not-allowed}.broadcast-button>span:first-child{width:30px;height:30px;color:var(--lh-support-on-accent);background:var(--lh-action-bg);border-radius:9px;place-items:center;display:grid}.broadcast-button strong,.broadcast-button small{display:block}.broadcast-button small{color:var(--lh-text-muted);margin-top:3px}.clear-all-button{border:1px solid color-mix(in oklch, #ff3b4f 30%, var(--lh-border));color:var(--lh-text);background:color-mix(in oklch, #ff3b4f 6%, var(--lh-surface));text-align:left;cursor:pointer;border-radius:11px;align-items:center;gap:10px;margin:0 14px 12px;padding:11px 12px;display:flex}.clear-all-button:hover:not(:disabled){background:color-mix(in oklch, #ff3b4f 12%, var(--lh-surface));border-color:#ff3b4f}.clear-all-button:disabled{opacity:.45;cursor:not-allowed}.clear-all-button>span:first-child{background:oklch(65.7865% .229076 21.324/.16);border-radius:9px;place-items:center;width:30px;height:30px;font-size:15px;display:grid}.clear-all-button strong,.clear-all-button small{display:block}.clear-all-button small{color:var(--lh-text-muted);margin-top:3px}.conversation-list{scrollbar-width:none;-ms-overflow-style:none;padding:0 8px 12px;overflow-y:auto}.conversation-list::-webkit-scrollbar{display:none}.conversation-item{width:100%;color:var(--lh-text);text-align:left;cursor:pointer;background:0 0;border:0;border-radius:12px;grid-template-columns:44px minmax(0,1fr) auto;gap:10px;padding:12px;display:grid;position:relative}.conversation-item:hover,.conversation-item.active{background:color-mix(in oklch, var(--lh-accent) 10%, var(--lh-surface))}.conversation-item:focus-within{outline:2px solid var(--lh-accent);outline-offset:-2px}.conversation-open{z-index:1;border-radius:inherit;cursor:pointer;background:0 0;border:0;width:100%;height:100%;padding:0;position:absolute;inset:0}.conversation-avatar{color:#fff;background:linear-gradient(135deg, var(--lh-accent), var(--lh-support-gradient-end));border:0;border-radius:50%;place-items:center;width:44px;height:44px;font-weight:700;display:grid}.conversation-copy{min-width:0}.conversation-user-link,.conversation-preview{text-overflow:ellipsis;white-space:nowrap;max-width:100%;display:block;overflow:hidden}.conversation-user-link{align-items:center;width:fit-content;min-height:44px;font-weight:700;display:flex}.conversation-preview{min-height:30px;color:var(--lh-text-muted);text-align:left;background:0 0;border:0;padding:0;font-size:11px}.conversation-time{color:var(--lh-text-muted);margin-top:5px;font-size:11px}.support-user-link{z-index:2;color:inherit;text-decoration:none;position:relative}.unread-dot{color:#fff;background:#ff3b4f;border-radius:9px;place-items:center;min-width:18px;height:18px;padding:0 4px;font-size:10px;display:grid;box-shadow:0 0 0 3px oklch(65.7865% .229076 21.324/.15)}.chat-panel{background:var(--lh-surface);grid-template-rows:auto minmax(0,1fr) auto;min-width:0;min-height:0;display:grid;overflow:hidden}.chat-head{border-bottom:1px solid var(--lh-border);align-items:center;gap:10px;min-height:70px;padding:0 22px;display:flex}.chat-head>div{flex:1;min-width:0}.chat-head p{color:var(--lh-text-muted);margin:5px 0 0;font-size:12px}.clear-history-button{border:1px solid var(--lh-border);min-height:36px;color:var(--lh-text-muted);background:var(--lh-bg);font:inherit;cursor:pointer;border-radius:10px;flex:none;padding:0 14px;font-size:13px}.clear-history-button:hover:not(:disabled){color:#ff3b4f;background:color-mix(in oklch, #ff3b4f 8%, var(--lh-bg));border-color:#ff3b4f}.clear-history-button:disabled{opacity:.5;cursor:not-allowed}.chat-back{color:var(--lh-text);background:0 0;border:0;font-size:30px}.message-list{overscroll-behavior:contain;scroll-behavior:smooth;min-height:0;padding:24px;overflow-y:auto}.message-row{flex-direction:column;align-items:flex-start;margin:9px 0;display:flex}.message-row.mine{align-items:flex-end}.message-meta{color:var(--lh-text-muted);margin:0 5px 5px;font-size:10px}.message-bubble{border:1px solid var(--lh-border);background:var(--lh-bg);white-space:pre-wrap;overflow-wrap:anywhere;border-radius:5px 16px 16px;max-width:min(72%,620px);padding:11px 14px;line-height:1.55}.message-link{color:var(--lh-accent);text-underline-offset:3px;font-weight:700}.message-link:hover{text-decoration-thickness:2px}.message-row.mine .message-bubble{color:#fff;background:linear-gradient(135deg, var(--lh-accent), color-mix(in oklch, var(--lh-accent) 78%, var(--lh-support-bubble-end)));border-color:#0000;border-radius:16px 5px 16px 16px}.message-composer{border:1px solid var(--lh-border);background:var(--lh-bg);border-radius:14px;align-items:flex-end;gap:8px;margin:0 18px 18px;padding:9px;display:flex}.message-composer textarea{resize:none;min-height:44px;max-height:140px;color:var(--lh-text);font:inherit;background:0 0;border:0;outline:0;flex:1;padding:8px;line-height:1.5}.message-composer button{min-width:68px;color:var(--lh-support-on-accent);background:var(--lh-action-bg);cursor:pointer;border:0;border-radius:10px;padding:10px 14px;font-weight:700}.message-composer button:disabled{opacity:.5;cursor:wait}.empty-chat{color:var(--lh-text-muted);text-align:center;grid-row:2/4;align-content:center;place-items:center}.empty-chat:not(.hidden){display:grid}.empty-chat span{font-size:40px}.empty-chat h2{color:var(--lh-text);margin:12px 0 0}.empty-chat p{margin:7px 0}.sr-only{clip:rect(0,0,0,0);width:1px;height:1px;position:absolute;overflow:hidden}@media (width<=720px){.support-page{height:var(--support-viewport-height,100dvh);min-height:0}.support-shell{width:100%;height:calc(var(--support-viewport-height,100dvh) - var(--topbar-height));border:0;border-radius:0;grid-template-columns:1fr;margin:0}.support-shell.is-admin .conversation-sidebar,.support-shell.is-admin .chat-panel{grid-area:1/1}.support-shell.is-admin:not(.chat-open) .chat-panel,.support-shell.is-admin.chat-open .conversation-sidebar{display:none}.support-shell.is-admin.chat-open .chat-back{display:block!important}.message-list{padding:16px}.message-bubble{max-width:86%}.message-composer{margin:0 10px max(10px, env(safe-area-inset-bottom))}.chat-head{gap:6px;padding:0 14px}.chat-head h1{font-size:17px}.clear-history-button{min-height:44px;padding:0 12px;font-size:12px}}