:root{
  --bg:#0f1115; --card:#171a21; --border:#262a34; --text:#eef0f4; --muted:#9398a6;
  --primary:#25d366; --primary-dark:#1da851; --danger:#e5484d; --warn:#e0a72e;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}
.muted{color:var(--muted)}
.error{color:var(--danger)}

.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}
.login-box{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:32px;width:100%;max-width:360px;text-align:center}
.login-box h1{font-size:18px;margin:0 0 4px}
.login-box input{width:100%;margin:16px 0 8px;padding:12px;border-radius:8px;border:1px solid var(--border);background:#0d0f13;color:var(--text);font-size:15px}
.login-box button{width:100%;padding:12px;border-radius:8px}

.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--border)}
.topbar h1{font-size:18px;margin:0}
.topbar-actions{display:flex;gap:8px}

.btn{border:1px solid var(--border);background:#1c2028;color:var(--text);padding:9px 16px;border-radius:8px;cursor:pointer;font-size:14px}
.btn:hover{filter:brightness(1.15)}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#06210f;font-weight:600}
.btn.primary:hover{background:var(--primary-dark)}
.btn.ghost{background:transparent}
.btn.danger{color:var(--danger);border-color:var(--danger)}

.container{padding:24px;max-width:1200px;margin:0 auto}

.summary{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px}
.summary .pill{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:12px 18px;font-size:14px}
.summary .pill b{display:block;font-size:20px}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:10px}
.card-head{display:flex;align-items:center;gap:10px}
.avatar{width:42px;height:42px;border-radius:50%;background:#2a2f3a;object-fit:cover;flex-shrink:0}
.card-title{font-weight:600;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card-sub{font-size:12px;color:var(--muted)}
.badge{display:inline-block;font-size:11px;padding:3px 9px;border-radius:999px;font-weight:600;width:fit-content}
.badge.open{background:#123822;color:#4ade80}
.badge.connecting{background:#3a3110;color:var(--warn)}
.badge.close, .badge.unknown{background:#3a1417;color:#f87171}
.card-stats{display:flex;gap:14px;font-size:12px;color:var(--muted)}
.card-actions{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto}
.card-actions .btn{padding:6px 10px;font-size:12px}

.modal{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}
.modal-box{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px;width:100%;max-width:420px}
.modal-box.wide{max-width:760px}
.modal-box h2{margin-top:0}
.modal-box input{width:100%;padding:10px;border-radius:8px;border:1px solid var(--border);background:#0d0f13;color:var(--text);margin:10px 0}
.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}

#qr-image-wrap{display:flex;justify-content:center;padding:12px;background:#fff;border-radius:10px}
#qr-image{width:220px;height:220px}

.chats-layout{display:flex;gap:12px;height:420px}
.chats-list{width:220px;overflow-y:auto;border-right:1px solid var(--border);padding-right:8px}
.chat-item{padding:8px;border-radius:8px;cursor:pointer;font-size:13px;margin-bottom:4px}
.chat-item:hover, .chat-item.active{background:#20242e}
.messages-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:8px;padding-right:4px}
.msg{max-width:75%;padding:8px 12px;border-radius:12px;font-size:13px;line-height:1.4}
.msg.in{background:#20242e;align-self:flex-start}
.msg.out{background:#123822;align-self:flex-end}
.msg .meta{display:block;font-size:10px;color:var(--muted);margin-top:4px}