*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:#f4f7fb;color:#172033}.app-shell{min-height:100vh}.topbar{height:72px;background:#fff;border-bottom:1px solid #e8edf4;display:flex;align-items:center;justify-content:space-between;padding:0 28px}.brand{font-weight:800;font-size:20px}.badge{font-size:11px;background:#eef2ff;color:#4f46e5;border-radius:999px;padding:5px 9px;margin-left:8px}.top-actions{display:flex;align-items:center;gap:14px}.container{max-width:1180px;margin:32px auto;padding:0 20px}.tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 22px;
    flex-wrap: wrap;
}

.tab {
    padding: 12px 20px;
    border: 0;
    border-radius: 12px;
    text-decoration: none;
    color: #64748b;
    background: #eaf0f7;
    font-weight: 700;
    cursor: pointer;
}

.tab.active,
.tab:hover {
    background: #172033;
    color: #fff;
}

/* Chỉ hiển thị tab đang active */
.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}
.panel{background:#fff;border:1px solid #e8edf4;border-radius:22px;padding:24px;margin-bottom:22px;box-shadow:0 10px 30px rgba(20,35,60,.05)}.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}h1,h2,h3{margin-top:0}.muted{color:#7b8799}.btn{border:0;background:#e9eef5;color:#172033;border-radius:11px;padding:10px 15px;font-weight:700;cursor:pointer;text-decoration:none;display:inline-block}.btn.primary{background:#2563eb;color:#fff}.btn.danger{background:#fee2e2;color:#b91c1c}.btn.ghost{background:transparent}.btn.small{padding:7px 10px;font-size:12px}.btn.full{width:100%;margin-top:15px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:14px 12px;border-bottom:1px solid #edf1f5;white-space:nowrap}th{font-size:12px;text-transform:uppercase;color:#8290a3}.status{padding:5px 9px;border-radius:999px;font-size:12px;font-weight:700}.status.active{background:#dcfce7;color:#166534}.status.pending{background:#fef3c7;color:#92400e}.status.expired,.status.suspended{background:#fee2e2;color:#991b1b}.settings-form{max-width:680px;margin:auto;display:grid;gap:10px}.settings-form label{font-size:13px;font-weight:700;color:#475569;margin-top:8px}.settings-form input,.settings-form select,.settings-form textarea,.auth-card input{width:100%;padding:12px 13px;border:1px solid #dce3ec;border-radius:11px;font:inherit}.settings-form textarea{min-height:100px;resize:vertical}.switch-row{display:flex!important;align-items:center;justify-content:space-between;background:#f8fafc;padding:13px;border-radius:12px}.switch-row input{width:auto}.conversation-list{display:grid;gap:8px}.conversation{width:100%;border:0;background:#fff;border-bottom:1px solid #edf1f5;padding:14px 4px;display:flex;align-items:center;gap:12px;text-align:left;cursor:pointer}.conversation:hover{background:#f8fafc}.avatar{width:42px;height:42px;border-radius:50%;background:#eef2ff;display:grid;place-items:center}.conv-main{display:grid;gap:5px;flex:1}.conv-main small{color:#7b8799;overflow:hidden;text-overflow:ellipsis}.conversation time{color:#8793a4;font-size:12px}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(135deg,#eff6ff,#f8fafc)}.auth-card{background:#fff;width:min(420px,100%);padding:34px;border-radius:24px;box-shadow:0 20px 60px rgba(30,60,100,.12)}.auth-card label{display:block;font-size:13px;font-weight:700;margin-top:15px;margin-bottom:7px}.auth-card h1{margin-bottom:8px}.link{display:block;text-align:center;margin-top:20px;color:#2563eb;text-decoration:none}.toast{position:fixed;right:20px;top:20px;z-index:99;padding:13px 18px;border-radius:12px;color:#fff;background:#334155}.toast.success{background:#16a34a}.toast.error{background:#dc2626}.codebox{width:100%;min-height:100px;background:#0f172a;color:#e2e8f0;border-radius:12px;padding:15px;font-family:monospace}.modal{position:fixed;inset:0;background:rgba(15,23,42,.5);display:grid;place-items:center;padding:20px;z-index:50}.modal.hidden{display:none}.modal-card{width:min(650px,100%);height:min(720px,90vh);background:#fff;border-radius:22px;display:flex;flex-direction:column;overflow:hidden}.modal-head{padding:16px 20px;border-bottom:1px solid #e8edf4;display:flex;justify-content:space-between}.icon-btn{border:0;background:#eef2f7;border-radius:50%;width:34px;height:34px;font-size:22px;cursor:pointer}.chat-messages{flex:1;overflow:auto;padding:20px;background:#f8fafc}.msg{max-width:78%;padding:10px 13px;border-radius:15px;margin-bottom:10px;white-space:pre-wrap}.msg.customer{background:#fff;border:1px solid #e5eaf0}.msg.admin{background:#2563eb;color:#fff;margin-left:auto}.chat-input{padding:14px;border-top:1px solid #e8edf4;display:flex;gap:8px}.chat-input input{flex:1;border:1px solid #dce3ec;border-radius:11px;padding:12px}@media(max-width:700px){.topbar{padding:0 14px}.container{margin:18px auto}.panel{padding:16px;border-radius:17px}.top-actions>span{display:none}.panel-head{align-items:flex-start;gap:10px;flex-direction:column}}
.customer-typing-preview{

    display:none;

    align-items:center;

    gap:6px;

    height:28px;

    padding:0 10px;

    border-top:1px solid #e8edf4;

    background:#f8fafc;

    font-size:12px;

    overflow:hidden;

    white-space:nowrap;

}

.customer-typing-preview.show{

    display:flex;

}

.customer-typing-label{

    flex:none;

    color:#94a3b8;

    font-weight:600;

}

.customer-typing-text{

    flex:1;

    overflow:hidden;

    white-space:nowrap;

    text-overflow:ellipsis;

    color:#475569;

}