*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family: 'Segoe UI', Tahoma, sans-serif;
}


body{
    min-height:100vh;
    background: url("fondo-gamer.jpg") no-repeat center center fixed;
    background-size: cover;
    display:flex;
    justify-content:center;
    align-items:center;
}

.overlay{
    position:absolute;
    inset:0;
    background:rgba(0,0,0,.75);
}


.login-box{
    position:relative;
    z-index:2;
    width:360px;
    background:linear-gradient(180deg,#0a0a0a,#111);
    padding:30px;
    border-radius:14px;
    box-shadow:0 0 25px #00f7ff55;
    text-align:center;
}

.login-box h2{
    color:#00f7ff;
    margin-bottom:20px;
    letter-spacing:1px;
}

.login-box input,
.login-box select,
.login-box button{
    width:100%;
    padding:12px;
    margin-bottom:14px;
    border:none;
    border-radius:6px;
    outline:none;
}

.login-box input,
.login-box select{
    background:#1e1e1e;
    color:#fff;
}

.login-box button{
    background:#00f7ff;
    color:#000;
    font-weight:bold;
    cursor:pointer;
    transition:.3s;
}

.login-box button:hover{
    background:#00c0cc;
}


.panel{
    position:relative;
    z-index:2;
    width:85%;
    max-width:1200px;
    background:#0e0e0e;
    padding:30px;
    border-radius:16px;
    color:#fff;
    box-shadow:0 0 30px #00f7ff44;
}

.panel h1{
    color:#00f7ff;
    margin-bottom:10px;
    text-align:center;
}


.card-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:20px;
    margin-top:20px;
}


.card{
    background:#151515;
    padding:20px;
    border-radius:12px;
    border-left:4px solid #00f7ff;
    box-shadow:0 0 15px rgba(0,255,255,0.1);
    transition:transform 0.2s, box-shadow 0.2s;
}

.card:hover{
    transform: translateY(-5px);
    box-shadow:0 0 25px rgba(0,255,255,0.4);
}

.card h3{
    margin-bottom:10px;
    color:#00f7ff;
}

.card p{
    line-height:1.5;
    color:#ccc;
}


.card form{
    display:flex;
    flex-direction:column;
    gap:10px;
}

.card input, .card select{
    padding:10px;
    border-radius:6px;
    border:none;
    background:#1e1e1e;
    color:#fff;
}

.card button{
    background:#00f7ff;
    color:#000;
    font-weight:bold;
    padding:10px;
    border:none;
    border-radius:6px;
    cursor:pointer;
    transition:.3s;
}

.card button:hover{
    background:#00c0cc;
}


.card table{
    width:100%;
    border-collapse:collapse;
    margin-top:10px;
}

.card table th, .card table td{
    padding:10px;
    border:1px solid #333;
    text-align:left;
}

.card table th{
    background:#111;
    color:#00f7ff;
}

.card table tr:nth-child(even){
    background:#1a1a1a;
}

.card table button{
    padding:5px 10px;
    margin-right:5px;
    font-size:0.9rem;
}


.pc{ background-color: rgba(0,123,255,0.2); }
.celular{ background-color: rgba(0,255,123,0.2); }


.logout{
    display:inline-block;
    margin-top:20px;
    color:#00f7ff;
    text-decoration:none;
    font-weight:bold;
    transition:.3s;
}

.logout:hover{
    color:#00c0cc;
}

.btn-delete {
    color: #ff6b6b;
    font-weight: 700;
    text-decoration: none;
}

.btn-delete:hover {
    color: #ff9b9b;
}


@media(max-width:768px){
    .panel{
        padding:20px;
    }
    .card-grid{
        grid-template-columns:1fr;
    }
    .card form{
        gap:8px;
    }
    .card table th, .card table td{
        padding:8px;
        font-size:0.9rem;
    }
    .card button{
        padding:8px;
        font-size:0.9rem;
    }
}