:root{--ink:#103f63;--muted:#687681;--line:#dfe8ed;--paper:#fff;--wash:#f4f8f9;--blue:#0e5684;--bluewash:#e8f4f7;--green:#197c71;--danger:#a53232;--shadow:0 20px 60px rgba(16,63,99,.14)}
*{box-sizing:border-box}body{margin:0;font:15px/1.45 Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--wash)}button,input,textarea{font:inherit}button{cursor:pointer}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at top right,#dceff2 0,transparent 35%),linear-gradient(145deg,#f7fafb,#eaf3f5)}.login-card{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:18px;padding:42px;box-shadow:var(--shadow)}.brand-mark{width:58px;height:58px;display:grid;place-items:center;border-radius:14px;background:var(--ink);color:#fff;font-weight:800;letter-spacing:.06em}.brand-mark.small{width:42px;height:42px;border-radius:11px;font-size:13px}.eyebrow{margin:24px 0 6px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.login-card h1{font-size:30px;margin:0}.login-copy{color:var(--muted);margin:8px 0 26px}.login-card label{display:block;font-weight:700;margin:14px 0 6px}.login-card input{width:100%;border:1px solid #bdccd5;border-radius:9px;padding:11px 12px;outline:none}.login-card input:focus,.composer textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(14,86,132,.12)}.primary{border:0;border-radius:9px;background:var(--blue);color:#fff;padding:10px 16px;font-weight:750}.primary:hover{background:#0a456a}.primary:disabled{opacity:.55;cursor:not-allowed}.full{width:100%;margin-top:22px}.error{color:var(--danger);min-height:22px;margin:10px 0 0}.security-note{text-align:center;color:var(--muted);font-size:12px;margin:20px 0 0}.app{max-width:1500px;margin:0 auto;min-height:100vh;background:var(--paper)}.topbar{height:78px;padding:0 26px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px}.brand strong,.brand span{display:block}.brand span{font-size:12px;color:var(--muted)}.top-actions{display:flex;align-items:center;gap:14px;font-size:13px}.mode{background:#fff2ce;color:#7a5a00;border-radius:999px;padding:4px 9px;font-weight:750}.text-button{border:0;background:transparent;color:var(--blue);font-weight:750}.content{display:grid;grid-template-columns:310px minmax(380px,1fr) 285px;min-height:calc(100vh - 78px)}.queue,.details{background:#fbfcfc}.queue{border-right:1px solid var(--line)}.details{border-left:1px solid var(--line)}.panel-head{padding:20px 18px 15px;border-bottom:1px solid var(--line)}h1,h2,h3,p{margin-top:0}.panel-head h1{font-size:18px;margin:0}.head-row{display:flex;align-items:center;justify-content:space-between;gap:10px}.count{background:var(--bluewash);color:var(--blue);border-radius:999px;padding:3px 9px;font-size:12px;font-weight:750}.conversation{width:100%;border:0;border-bottom:1px solid var(--line);background:transparent;padding:15px 18px;text-align:left;display:flex;gap:11px}.conversation:hover,.conversation.selected{background:var(--bluewash)}.avatar{flex:0 0 40px;height:40px;border-radius:50%;background:#dbe7ed;display:grid;place-items:center;font-weight:800}.convo-main{min-width:0;flex:1}.convo-line{display:flex;justify-content:space-between;gap:8px}.name{font-weight:750}.time,.preview,.channel{color:var(--muted);font-size:12px}.preview{margin-top:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.channel{display:block;margin-top:7px}.thread{display:flex;min-width:0}.thread-view{display:flex;flex-direction:column;width:100%}.thread-head{padding:20px 25px;border-bottom:1px solid var(--line)}.thread-head h2{margin:0;font-size:18px}.contact-meta{color:var(--muted);font-size:12px;margin-top:3px}.messages{flex:1;padding:28px 26px;display:flex;flex-direction:column;gap:16px;background:linear-gradient(#fff,#fbfcfc);overflow:auto}.message{max-width:78%;padding:11px 13px;border-radius:12px;background:#eff2f4;align-self:flex-start;white-space:pre-wrap;overflow-wrap:anywhere}.message.outgoing{align-self:flex-end;background:var(--blue);color:#fff}.message small{display:block;margin-top:5px;opacity:.72;font-size:11px}.composer{border-top:1px solid var(--line);padding:16px 22px 20px}.composer textarea{display:block;resize:vertical;width:100%;min-height:76px;border:1px solid var(--line);border-radius:10px;padding:11px;outline:none}.composer-actions{display:flex;justify-content:space-between;align-items:center;margin-top:10px;gap:10px;color:var(--muted);font-size:12px}.empty-state{width:100%;display:grid;place-items:center;padding:40px;text-align:center;color:var(--muted)}.empty-state h2{color:var(--ink);margin-bottom:6px}.details section{padding:20px 18px;border-bottom:1px solid var(--line)}.label{color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;margin-bottom:10px}.status-line{font-weight:750;margin-bottom:8px}.status-dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--green);margin-right:7px}.detail-copy,.details li{color:var(--muted);font-size:13px}.details ul{margin:0;padding-left:18px}.details li+li{margin-top:6px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}
@media(max-width:950px){.content{grid-template-columns:280px 1fr}.details{display:none}}@media(max-width:650px){.login-card{padding:30px 24px}.topbar{padding:0 16px}.content{display:block}.queue{border-right:0}.thread{min-height:620px}.top-actions #staffName{display:none}}