:root{--aac-ink:#172033;--aac-muted:#778196;--aac-line:#e7eaf0;--aac-soft:#f6f8fb;--aac-accent:#5b5ce2;--aac-accent-dark:#4546c8;--aac-green:#20b486}
.aac-wrap{max-width:1180px;margin:28px auto;border:1px solid #e7eaf0;border-radius:22px;overflow:hidden;background:#fff;color:var(--aac-ink);box-shadow:0 24px 70px rgba(31,41,70,.11);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.aac-wrap *{box-sizing:border-box}.aac-wrap [hidden]{display:none!important}
.aac-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:19px 25px;background:linear-gradient(110deg,#171a35,#292b57);color:#fff}.aac-header strong{display:block;font-size:18px;letter-spacing:.15px;font-weight:750}.aac-header span{font-size:12px;color:#c7c9e3}.aac-header>div>span{display:block;margin-top:4px}.aac-header .aac-status{white-space:nowrap;display:flex;align-items:center;gap:7px}.aac-status i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#43dfb2;box-shadow:0 0 0 4px rgba(67,223,178,.12)}
.aac-gate{max-width:540px;margin:0 auto;padding:32px 26px 36px}.aac-gate h3{margin:0 0 8px;font-size:25px;color:#171a35}.aac-gate p{color:#778196;font-size:14px;line-height:1.65;margin:0 0 20px}.aac-gate label{display:block;font-size:13px;font-weight:650;margin:13px 0;color:#364055}.aac-gate input{display:block;width:100%;margin-top:6px;padding:12px 13px;border:1px solid #dfe3ec;border-radius:10px;background:#fff;font:inherit;font-weight:400;outline:none}.aac-gate input:focus,.aac-compose-row textarea:focus{border-color:#8b8cf0;box-shadow:0 0 0 3px rgba(91,92,226,.10)}
.aac-wrap button,.aac-upload{border:0;border-radius:10px;background:var(--aac-accent);color:#fff;padding:11px 16px;font:inherit;font-size:14px;font-weight:650;cursor:pointer;transition:background .18s ease,transform .18s ease,box-shadow .18s ease}.aac-wrap button:hover{background:var(--aac-accent-dark)}.aac-wrap button:disabled{opacity:.55;cursor:wait}.aac-gate>#aac-send-code{width:100%;margin:6px 0}.aac-code-row{display:grid;grid-template-columns:1fr auto;align-items:end;gap:10px}.aac-code-row label{margin-bottom:0}.aac-feedback{min-height:24px;margin-top:12px;color:#07815f;font-size:13px}.aac-feedback.is-error{color:#b91c1c}
.aac-chat{display:grid;grid-template-columns:252px minmax(0,1fr);min-height:650px;background:#fff}.aac-sidebar{display:flex;flex-direction:column;min-width:0;background:#f8f9fc;border-right:1px solid var(--aac-line);padding:23px 13px 15px}.aac-sidebar-heading{padding:0 12px 20px}.aac-sidebar-kicker,.aac-topic-eyebrow{font-size:9px;letter-spacing:1.5px;font-weight:800;color:#9a9db2}.aac-sidebar-heading h3{margin:8px 0 5px;font-size:21px;line-height:1.2;letter-spacing:-.4px;color:#20233e}.aac-sidebar-heading p{margin:0;font-size:12px;color:#8a91a3}.aac-language-tabs{display:flex;flex-direction:column;gap:5px;min-width:0}.aac-language-tab{display:flex;align-items:center;gap:10px;width:100%;padding:11px 12px!important;text-align:left;background:transparent!important;color:#5e667b!important;border:1px solid transparent!important;border-radius:11px!important;font-size:13px!important;font-weight:600!important;min-height:42px}.aac-language-tab:hover{background:#eff0ff!important;color:#4e50c8!important}.aac-language-tab.is-active{background:#ececff!important;border-color:#e2e2ff!important;color:#4546c8!important;box-shadow:inset 3px 0 0 var(--aac-accent)}.aac-language-dot{width:7px;height:7px;border-radius:50%;background:#c5cad7;flex:0 0 7px}.aac-language-tab.is-active .aac-language-dot{background:var(--aac-accent);box-shadow:0 0 0 3px rgba(91,92,226,.12)}.aac-language-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.aac-language-arrow{font-size:19px;line-height:1;color:#b5b8c7}.aac-language-tab.is-active .aac-language-arrow{color:var(--aac-accent)}.aac-unread{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 5px;border-radius:20px;background:#e65b78;color:#fff;font-size:10px;font-weight:800}.aac-sidebar-foot{display:flex;align-items:center;gap:8px;margin-top:auto;padding:19px 12px 3px;color:#9399aa;font-size:11px}.aac-secure-dot{width:6px;height:6px;border-radius:50%;background:#26b58a}
.aac-conversation{display:flex;flex-direction:column;min-width:0;min-height:650px;background:#fff}.aac-conversation-head{display:flex;align-items:center;gap:14px;min-height:100px;padding:19px 26px;border-bottom:1px solid #edf0f5;background:rgba(255,255,255,.96)}.aac-group-avatar{display:flex;align-items:center;justify-content:center;flex:0 0 48px;width:48px;height:48px;border-radius:15px;background:linear-gradient(145deg,#7778f0,#4d4fc9);color:#fff;font-size:20px;font-weight:800;box-shadow:0 7px 18px rgba(91,92,226,.2)}.aac-topic-copy{min-width:0;flex:1}.aac-topic-eyebrow{font-size:9px;margin-bottom:4px}.aac-group-caption{margin:0!important;font-size:21px!important;line-height:1.25!important;letter-spacing:-.35px;color:#20233e!important;font-weight:750!important}.aac-topic-copy p{margin:5px 0 0;color:#8a91a3;font-size:12px}.aac-topic-status{display:flex;align-items:center;gap:7px;white-space:nowrap;padding:8px 11px;border:1px solid #e6f5ee;border-radius:30px;background:#f4fcf8;color:#4a9277;font-size:11px;font-weight:650}.aac-live-dot{width:6px;height:6px;border-radius:50%;background:#27b486}
.aac-messages{flex:1;min-height:350px;height:430px;overflow-y:auto;padding:25px 28px;background:linear-gradient(180deg,#fbfcfe 0%,#f7f9fc 100%);display:flex;flex-direction:column;gap:13px;scroll-behavior:smooth}.aac-messages::-webkit-scrollbar{width:7px}.aac-messages::-webkit-scrollbar-thumb{background:#dfe3ed;border-radius:20px;border:2px solid transparent;background-clip:padding-box}.aac-empty-state{align-self:center;margin:auto;text-align:center;color:#8c93a7;padding:28px 12px}.aac-empty-icon{display:flex;align-items:center;justify-content:center;width:54px;height:54px;margin:0 auto 14px;border-radius:18px;background:#eeeeff;color:#5b5ce2;font-size:26px}.aac-empty-state strong{display:block;color:#4b5268;font-size:14px}.aac-empty-state p{margin:7px 0 0;font-size:12px}
.aac-message{max-width:min(78%,620px);align-self:flex-start;background:#fff;border:1px solid #e6eaf1;border-radius:4px 16px 16px 16px;padding:12px 15px;overflow-wrap:anywhere;box-shadow:0 3px 10px rgba(24,34,60,.035)}.aac-message.is-mine{align-self:flex-end;background:#efefff;border-color:#e2e2ff;border-radius:16px 4px 16px 16px}.aac-message-meta{font-size:10px;color:#9299aa;margin-bottom:6px}.aac-message-text{white-space:pre-wrap;line-height:1.65;font-size:14px;color:#30384e}.aac-message img{display:block;max-width:100%;max-height:320px;border-radius:10px;margin-top:8px}.aac-message video{display:block;max-width:100%;max-height:320px;border-radius:10px;margin-top:8px}.aac-product-title{display:block;font-size:15px;margin:5px 0;color:#252847}.aac-product-link{display:inline-flex;margin-top:9px;padding:8px 12px;background:#5b5ce2;color:white!important;text-decoration:none;border-radius:8px;font-size:12px;font-weight:700}
.aac-composer{position:sticky;bottom:0;padding:13px 24px 16px;border-top:1px solid #e8ebf2;background:rgba(255,255,255,.98);z-index:2}.aac-toolbar{display:flex;align-items:center;gap:8px;margin-bottom:9px;flex-wrap:wrap}.aac-toolbar button,.aac-upload{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:7px 11px!important;font-size:12px!important;background:#f7f8fc!important;color:#667087!important;border:1px solid #e4e7ef!important;border-radius:9px!important}.aac-toolbar button:hover,.aac-upload:hover{background:#eeeeff!important;color:#4e50c8!important}.aac-upload{position:relative;cursor:pointer}.aac-upload input{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}#aac-upload-name{font-size:11px;color:#68728a}.aac-compose-row{display:flex;gap:10px;align-items:stretch}.aac-compose-row textarea{flex:1;min-width:0;min-height:47px;max-height:150px;resize:vertical;border:1px solid #e0e4ee;border-radius:12px;padding:12px 14px;font:inherit;font-size:13px;line-height:1.45;outline:none;background:#fbfcfe;color:#222943;transition:border .18s ease,box-shadow .18s ease}.aac-compose-row textarea::placeholder{color:#a0a6b5}.aac-compose-row button{min-width:90px;display:flex;align-items:center;justify-content:center;gap:10px;border-radius:12px;box-shadow:0 6px 14px rgba(91,92,226,.18)}.aac-compose-row button span:last-child{font-size:18px;line-height:1}.aac-composer small{display:flex;align-items:center;gap:6px;color:#a0a6b5;font-size:10px;margin-top:9px}.aac-lock-icon{font-size:11px;color:#28a77f}.aac-emoji-panel{padding:8px 10px;margin-bottom:8px;background:#f8f9ff;border:1px solid #e2e4f4;border-radius:10px;line-height:2;cursor:pointer;word-spacing:5px}
@media(max-width:760px){.aac-wrap{margin:14px 0;border-radius:16px}.aac-chat{grid-template-columns:1fr;min-height:0}.aac-sidebar{padding:15px 13px 11px;border-right:0;border-bottom:1px solid var(--aac-line)}.aac-sidebar-heading{padding:0 7px 12px}.aac-sidebar-heading h3{font-size:18px}.aac-sidebar-heading p{display:none}.aac-sidebar-foot{display:none}.aac-language-tabs{flex-direction:row;overflow-x:auto;gap:7px;padding:2px 1px 7px;scrollbar-width:thin}.aac-language-tab{width:auto;flex:0 0 auto;min-width:112px;max-width:160px;min-height:39px;padding:9px 10px!important}.aac-language-arrow{display:none}.aac-language-name{flex:0 1 auto}.aac-conversation{min-height:590px}.aac-conversation-head{min-height:86px;padding:15px 17px;gap:11px}.aac-group-avatar{width:42px;height:42px;flex-basis:42px;border-radius:13px}.aac-group-caption{font-size:18px!important}.aac-topic-copy p{font-size:11px}.aac-topic-status{padding:7px 9px;font-size:10px}.aac-messages{height:48vh;min-height:300px;padding:17px 14px}.aac-message{max-width:88%}.aac-composer{padding:12px 13px 14px}.aac-compose-row{gap:7px}.aac-compose-row button{min-width:76px;padding:10px}.aac-header{padding:16px 18px}.aac-header strong{font-size:16px}}
@media(max-width:430px){.aac-header{align-items:flex-start}.aac-header .aac-status{font-size:0}.aac-header .aac-status i{margin-top:5px}.aac-conversation-head{align-items:center}.aac-topic-status{font-size:0;gap:0;padding:8px}.aac-topic-status .aac-live-dot{width:7px;height:7px}.aac-topic-copy p{max-width:210px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.aac-compose-row textarea{padding:11px;font-size:13px}.aac-compose-row button{min-width:65px;gap:5px}.aac-toolbar button,.aac-upload{padding:7px 9px!important}}
/* v1.6.0: member avatars, admin-defined group topics and single-group lock */
.aac-message{display:flex;align-items:flex-start;gap:9px;padding:10px 12px;max-width:min(88%,680px)}
.aac-message.is-mine{flex-direction:row-reverse}
.aac-message-avatar{flex:0 0 32px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:linear-gradient(145deg,#edf0ff,#dce7f6);font-size:19px;line-height:1}
.aac-message-content{min-width:0;flex:1}
.aac-message-meta{line-height:1.45}
.aac-member-count{margin:5px 0 0!important;color:#6f7890!important;font-size:11px!important;font-weight:600}
.aac-language-tab.is-locked{opacity:.58}
.aac-gate select{display:block;width:100%;box-sizing:border-box;margin-top:7px;padding:12px 13px;border:1px solid #e0e4ee;border-radius:10px;background:#fff;color:#222943;font:inherit}
@media(max-width:760px){.aac-message{max-width:94%}.aac-message-avatar{flex-basis:29px;width:29px;height:29px;font-size:17px}}