/* ===============================
   Hadejia Data Hub
   Premium style.css
================================= */

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

body{
    background:linear-gradient(135deg,#eef7ff,#dbeafe,#f0fdfa);
    display:flex;
    justify-content:center;
    align-items:center;
    min-height:100vh;
    padding:20px;
}

.container{
    width:100%;
    max-width:450px;
}

.card{
    background:#fff;
    padding:35px;
    border-radius:25px;
    box-shadow:0 20px 45px rgba(0,0,0,.15);
    text-align:center;
    animation:fadeIn .5s ease;
}

/* ===== Logo ===== */

.logo{
    width:170px;
    height:170px;
    object-fit:contain;
    display:block;
    margin:0 auto 20px;
    transition:.4s;
}

.logo:hover{
    transform:scale(1.05);
}

/* ===== Heading ===== */

h1{
    font-size:38px;
    color:#0f766e;
    font-weight:700;
    margin-bottom:10px;
}

p{
    color:#666;
    margin-bottom:25px;
    font-size:18px;
}

/* ===== Inputs ===== */

input{
    width:100%;
    padding:16px;
    margin-bottom:15px;
    border:1px solid #ddd;
    border-radius:14px;
    font-size:16px;
    transition:.3s;
}

input:focus{
    border-color:#0f766e;
    box-shadow:0 0 10px rgba(15,118,110,.25);
    outline:none;
}

/* ===== Button ===== */

button{
    width:100%;
    height:55px;
    border:none;
    border-radius:14px;
    background:#0f766e;
    color:#fff;
    font-size:18px;
    font-weight:bold;
    cursor:pointer;
    transition:.3s;
}

button:hover{
    background:#115e59;
    transform:translateY(-2px);
    box-shadow:0 8px 20px rgba(15,118,110,.35);
}

button:disabled{
    background:#999;
    cursor:not-allowed;
}

/* ===== Links ===== */

a{
    color:#0f766e;
    text-decoration:none;
    font-weight:600;
    display:inline-block;
    margin-top:15px;
}

a:hover{
    text-decoration:underline;
}

/* ===== Alerts ===== */

.success{
    background:#dcfce7;
    color:#166534;
    padding:14px;
    border-radius:12px;
    margin-top:15px;
}

.error{
    background:#fee2e2;
    color:#b91c1c;
    padding:14px;
    border-radius:12px;
    margin-top:15px;
}

/* ===== Animation ===== */

@keyframes fadeIn{
    from{
        opacity:0;
        transform:translateY(25px);
    }
    to{
        opacity:1;
        transform:translateY(0);
    }
}

/* ===== Mobile ===== */

@media(max-width:480px){

.card{
    padding:25px;
}

.logo{
    width:140px;
    height:140px;
}

h1{
    font-size:30px;
}

p{
    font-size:17px;
}

button{
    height:52px;
    font-size:17px;
}

}