*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Arial, Helvetica, sans-serif;
}

body{
    background:#f5f7fb;
}

a{
    text-decoration:none;
}

.auth-container{
    width:100%;
    height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
}

.auth-box{
    width:420px;
    background:#fff;
    padding:40px;
    border-radius:12px;
    box-shadow:0 10px 30px rgba(0,0,0,.08);
}

.auth-box h1{
    text-align:center;
    margin-bottom:10px;
    color:#1d4ed8;
}

.auth-box p{
    text-align:center;
    color:#666;
    margin-bottom:25px;
}

.input-group{
    margin-bottom:18px;
}

.input-group label{
    display:block;
    margin-bottom:8px;
    font-weight:bold;
    color:#444;
}

.input-group input{
    width:100%;
    padding:13px;
    border:1px solid #ddd;
    border-radius:8px;
    outline:none;
    font-size:15px;
}

.input-group input:focus{
    border-color:#2563eb;
}

.btn{
    width:100%;
    padding:14px;
    border:none;
    background:#2563eb;
    color:#fff;
    border-radius:8px;
    cursor:pointer;
    font-size:16px;
}

.btn:hover{
    background:#1d4ed8;
}

.text-center{
    text-align:center;
}

.mt-20{
    margin-top:20px;
}

.error{
    background:#ffe5e5;
    color:#d40000;
    padding:12px;
    border-radius:8px;
    margin-bottom:20px;
}

.success{
    background:#dfffe1;
    color:green;
    padding:12px;
    border-radius:8px;
    margin-bottom:20px;
}

.dashboard{
    width:1200px;
    margin:40px auto;
}

.topbar{
    background:white;
    padding:20px 30px;
    border-radius:12px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-bottom:30px;
    box-shadow:0 5px 20px rgba(0,0,0,.06);
}

.create-btn{
    background:#2563eb;
    color:white;
    padding:12px 20px;
    border-radius:8px;
}

.cards{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:25px;
}

.card{
    background:white;
    padding:25px;
    border-radius:12px;
    box-shadow:0 5px 15px rgba(0,0,0,.05);
}

.card h3{
    margin-bottom:15px;
}

.card p{
    color:#666;
    margin-bottom:20px;
}

.actions{
    display:flex;
    gap:10px;
}

.small-btn{
    padding:10px 18px;
    border-radius:6px;
    color:white;
    background:#2563eb;
}

.delete-btn{
    background:#dc2626;
}