:root{
  --bg:#0b1220;
  --card:#0f1a2f;
  --muted:#9fb0c8;
  --text:#eaf2ff;
  --line:rgba(255,255,255,.08);
  --accent:#00B4D8; /* ajuste para paleta SG */
  --accent2:#2A6F97;
  --danger:#ff4d6d;
  --ok:#2bd576;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;background:linear-gradient(120deg,#071021,#0b1220 40%,#071021);color:var(--text)}
a{color:inherit}
.container{max-width:1280px;margin:0 auto;padding:18px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:14px}
.brand{display:flex;align-items:center;gap:10px}
.badge{font-size:12px;padding:4px 10px;border-radius:999px;background:rgba(0,180,216,.12);border:1px solid rgba(0,180,216,.25);color:#bff5ff}
.layout{display:grid;grid-template-columns:280px 1fr;gap:14px;min-height:calc(100vh - 80px)}
.card{background:rgba(15,26,47,.78);border:1px solid var(--line);border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.35)}
.sidebar{padding:14px;position:sticky;top:14px;height:fit-content}
.nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;text-decoration:none;color:var(--muted)}
.nav a.active,.nav a:hover{background:rgba(0,180,216,.10);color:var(--text);border:1px solid rgba(0,180,216,.16)}
.content{padding:14px}
.h1{font-size:18px;margin:0 0 8px 0}
.small{font-size:12px;color:var(--muted)}
.grid{display:grid;gap:14px}
.grid.inbox{grid-template-columns:360px 1fr;align-items:stretch}
.list{padding:10px}
.item{padding:10px;border-radius:14px;border:1px solid transparent;cursor:pointer}
.item:hover{border-color:rgba(255,255,255,.12);background:rgba(255,255,255,.03)}
.item.active{border-color:rgba(0,180,216,.35);background:rgba(0,180,216,.08)}
.item .title{display:flex;align-items:center;justify-content:space-between;gap:10px}
.chip{font-size:11px;padding:3px 9px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.chip.open{border-color:rgba(43,213,118,.25);color:#bfffd6}
.chip.pending{border-color:rgba(255,209,102,.25);color:#ffe7b3}
.chip.closed{border-color:rgba(255,77,109,.25);color:#ffc2cf}
.chat{display:flex;flex-direction:column;height:calc(100vh - 170px)}
.chatHeader{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;padding:12px;border-bottom:1px solid var(--line)}
.chatBody{flex:1;overflow:auto;padding:12px}
.msg{max-width:78%;margin:8px 0;padding:10px 12px;border-radius:14px;border:1px solid var(--line)}
.msg.in{background:rgba(255,255,255,.03)}
.msg.out{margin-left:auto;background:rgba(0,180,216,.10);border-color:rgba(0,180,216,.22)}
.msgMeta{font-size:11px;color:var(--muted);margin-top:6px}
.chatComposer{display:flex;gap:10px;padding:12px;border-top:1px solid var(--line)}
.input{flex:1;background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:14px;color:var(--text);padding:12px 12px;outline:none}
.btn{background:linear-gradient(135deg,var(--accent),#2dd4bf);border:none;color:#02101a;font-weight:800;padding:10px 14px;border-radius:14px;cursor:pointer}
.btn.secondary{background:rgba(255,255,255,.06);color:var(--text);border:1px solid var(--line)}
.btn.danger{background:rgba(255,77,109,.14);color:#ffd1db;border:1px solid rgba(255,77,109,.25)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.table{width:100%;border-collapse:separate;border-spacing:0 10px}
.table th{font-size:12px;color:var(--muted);text-align:left;padding:0 10px}
.table td{background:rgba(255,255,255,.03);border:1px solid var(--line);padding:10px;border-left:none;border-right:none}
.table tr td:first-child{border-left:1px solid var(--line);border-top-left-radius:12px;border-bottom-left-radius:12px}
.table tr td:last-child{border-right:1px solid var(--line);border-top-right-radius:12px;border-bottom-right-radius:12px}
.notice{padding:10px 12px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.03)}
.loginWrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:18px}
.loginCard{width:420px;padding:18px}
label{font-size:12px;color:var(--muted)}
@media (max-width: 980px){
  .layout{grid-template-columns:1fr}
  .grid.inbox{grid-template-columns:1fr}
  .sidebar{position:relative;top:0}
  .chat{height:60vh}
}