:root{--accent:#087ebc;--accent-dark:#075985;--ink:#123047;--muted:#64748b;--line:#dce8f1;--bg:#eef6fb}
body{background:var(--bg);padding:0;margin:0;font-family:Arial,sans-serif;color:var(--ink);min-height:100dvh}
.client-top{height:56px;max-width:1200px;margin:auto;padding:0 20px;display:flex;align-items:center;gap:16px;box-sizing:border-box;font-size:14px}
.client-top a{color:#075985;text-decoration:none;font-weight:700}.client-top a:last-child{margin-left:auto}.client-top strong{margin-left:auto;letter-spacing:2px}
.layout{width:100%;max-width:1200px;display:block;margin:0 auto;height:calc(100dvh - 56px);min-height:420px;padding:0 16px 16px;box-sizing:border-box}
.chat{height:100%;min-height:0;border-radius:22px;box-shadow:0 10px 32px #1230470b;border:1px solid var(--line)}
.chat-header{padding:16px 20px}.chat-heading h2{font-size:19px}.room-icon{background:#e0f2fe;color:#075985}.compose-wrap{padding-bottom:max(12px,env(safe-area-inset-bottom))}
.message.own .bubble{background:#e1f2ff;color:#123047}.message .bubble:empty{display:none}.chat-footnote{color:#64748b}.subtitle{overflow-wrap:anywhere}
.inbox-main{width:min(900px,calc(100% - 32px));margin:12px auto 40px}.inbox-title{display:flex;align-items:center;gap:12px;margin:24px 0}.inbox-title h1{font-size:28px;margin:0}.inbox-title span{color:#64748b;font-size:14px}
.inbox-list{display:grid;gap:10px}.thread-card{display:flex;align-items:center;gap:15px;text-decoration:none;color:inherit;padding:20px;background:#fff;border:1px solid #dce8f1;border-radius:18px;box-shadow:0 4px 16px #12304705}.thread-card:hover{border-color:#78bde4;background:#fafdff}.thread-icon{width:46px;height:46px;display:grid;place-items:center;border-radius:15px;background:#e8f5ff;color:#087ebc;font-size:22px;flex:none}.thread-copy{flex:1;min-width:0}.thread-copy strong{font-size:17px;display:block;margin-bottom:7px}.thread-copy p{margin:0;font-size:14px;color:#64748b;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.thread-meta{display:flex;flex-direction:column;align-items:flex-end;gap:10px;font-size:12px;color:#64748b}.unread-count{background:#0787c8;color:#fff;border-radius:20px;min-width:23px;height:23px;display:grid;place-items:center;padding:0 5px;font-weight:700;box-sizing:border-box}.inbox-empty,.chat-gate main{background:#fff;border:1px solid #dce8f1;border-radius:24px;padding:45px 25px;text-align:center;color:#64748b}.inbox-empty h2,.chat-gate h1{color:#123047}.inbox-more{display:block;margin:20px auto;border:1px solid #c8ddeb;background:#fff;border-radius:12px;padding:12px 22px;color:#075985;cursor:pointer}.chat-gate{display:grid;place-items:center}.chat-gate main{width:min(540px,calc(100% - 32px));box-sizing:border-box}.chat-gate a{display:inline-block;margin:10px 8px;padding:12px 20px;background:#087ebc;border-radius:12px;color:white;text-decoration:none}
@media(max-width:600px){.client-top{height:50px;padding:0 12px;gap:12px;font-size:12px}.layout{height:calc(100dvh - 50px);padding:0;min-height:350px}.chat{border:0;border-radius:0}.chat-header{padding:12px}.chat-heading h2{font-size:17px}.status{font-size:11px}.compose-hint{font-size:11px}.inbox-main{width:calc(100% - 24px)}.inbox-title h1{font-size:24px}.thread-card{padding:14px;gap:10px}.thread-copy strong{font-size:15px}.thread-icon{width:40px;height:40px}.translation-bar{padding:9px 12px}}

.translation-fixed{display:flex;align-items:center;gap:10px}.translation-fixed[hidden]{display:none}.translation-fixed p{margin:0}.thread-version{display:inline-block;margin:0 0 7px;padding:4px 9px;background:#e8f5ff;border-radius:8px;color:#075985;font-size:12px;font-weight:700}.translation-pending{font-style:italic;color:#64748b}.translation-attribution details{font-size:10px;color:#64748b}.translation-attribution summary{cursor:pointer}.translation-attribution p{max-width:640px;margin:5px auto}

/* Chat readability and navigation, 2026-10-21. */
.client-top{height:72px;gap:12px}
.client-top a{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:9px 14px;border-radius:13px;line-height:1.2;white-space:nowrap}
.client-top .chat-nav-primary{border:1px solid #0867a8;background:linear-gradient(135deg,#098dcc,#0865ae);color:#fff;font-size:15px;font-weight:700;box-shadow:0 5px 12px #087ebc26,inset 0 1px 0 #ffffff30}
.client-top .chat-nav-primary:hover{background:linear-gradient(135deg,#087db8,#075792);box-shadow:0 6px 16px #087ebc33}
.client-top .chat-nav-secondary{border:1px solid #cadfeb;background:#ffffffb3;color:#075985;font-size:14px}
.client-top a:focus-visible{outline:3px solid #123047;outline-offset:3px}
.client-top .chat-brand{display:inline-flex;align-items:center;min-height:42px;margin-left:auto;padding:6px 12px;border:1px solid #cee4f1;border-radius:13px;background:#fff;color:#075985;font-size:23px;font-weight:800;letter-spacing:1.5px;line-height:1;box-shadow:0 3px 10px #12304708}
.layout{height:calc(100dvh - 72px)}
.message .bubble,.message.own .bubble,.message .sender,.message .original-text,.compose-hint strong,.chat-heading .subtitle,#message,.thread-copy strong{color:#000}
.message .sender{font-size:14px;font-weight:700}
.message .bubble,.message .original-text{font-size:18px}
.message time,.message .read-status,.message-meta{font-size:12px;line-height:1.4}
.message time,.message .read-status{color:#526173}
.message .read-status[data-read=yes]{color:#0875b0}
.message-smiley{width:107.2px;height:107.2px}
@media(max-width:600px){
 .client-top{height:64px;padding:0 12px;gap:8px}
 .client-top a{padding:9px 11px}
 .client-top .chat-nav-primary{font-size:14px}
 .client-top .chat-nav-secondary{font-size:12px;padding:9px}
 .client-top .chat-brand{font-size:21px;padding:7px 10px;letter-spacing:1px}
 .layout{height:calc(100dvh - 64px)}
}
@media(max-width:480px){.message-smiley{width:91.12px;height:91.12px}}
@media(max-width:380px){
 .client-top-staff{height:104px;flex-wrap:wrap;align-content:center;row-gap:7px}
 .client-top-staff+.layout{height:calc(100dvh - 104px)}
}

/* The client interface follows the selected website language. */
.client-top .chat-nav-primary{gap:7px}
.chat-heading{min-width:0}.chat-heading>div{min-width:0}.room-icon{flex-shrink:0}
.chat-header{height:auto;min-height:80px}.status{flex-shrink:0;max-width:35%;white-space:normal;line-height:1.4}
.bubble,.sender,.subtitle,.original-text{text-align:start}
.translation-attribution{gap:10px;align-items:flex-start;flex-wrap:wrap}
[dir=rtl] .client-top .chat-brand{margin-left:0;margin-right:auto}
[dir=rtl] .back-arrow{transform:scaleX(-1)}
[dir=rtl] .photo-preview button,[dir=rtl] .smiley-preview button{margin-left:0;margin-right:auto}
[dir=rtl] .original-text{border-left:0;border-right:2px solid #d8e4dc}
[dir=rtl] .message .bubble{border-radius:14px 0 14px 14px}
[dir=rtl] .message.own .bubble{border-radius:0 14px 14px 14px}
[dir=rtl] .message.own .translation-extra{text-align:left}
[dir=rtl] .chat-heading h2{line-height:1.5}

[dir=rtl] #message:placeholder-shown{direction:rtl;text-align:right}