body {
    font-family: Arial, sans-serif;
    background: #f4f6f9;
    margin: 0;
    padding: 0;
}

.container {
    width: 90%;
    max-width: 800px;
    background: white;
    margin: 20px auto;
    padding: 25px;
    border-radius: 14px;
    box-shadow: 0px 0px 12px rgba(0,0,0,0.12);
}

h2 {
    text-align: center;
    color: #1e3a5f;
    margin-bottom: 5px;
}

.subtitle {
    text-align: center;
    color: #555;
    margin-bottom: 25px;
}

.section {
    background: #e9f1ff;
    color: #1e3a5f;
    padding: 12px;
    margin-top: 25px;
    margin-bottom: 12px;
    border-radius: 8px;
    font-weight: bold;
}

label {
    display: block;
    margin-top: 15px;
    margin-bottom: 8px;
    font-weight: bold;
    color: #111827;
    line-height: 1.5;
}

input,
select {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #ccc;
    box-sizing: border-box;
    font-size: 15px;
    background: white;
}

select {
    cursor: pointer;
}

button {
    width: 100%;
    padding: 14px;
    margin-top: 30px;
    border: none;
    border-radius: 10px;
    background: #2563eb;
    color: white;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
}

button:hover {
    background: #1d4ed8;
}

.success {
    background: #d1fae5;
    color: #065f46;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 15px;
    text-align: center;
    font-weight: bold;
}

.error {
    background: #fee2e2;
    color: #991b1b;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 15px;
    text-align: center;
    font-weight: bold;
}

.admin-login-area {
    margin-top: 45px;
    text-align: right;
    border-top: 1px solid #ddd;
    padding-top: 20px;
}

.admin-login-btn {
    display: inline-block;
    background: #1e3a8a;
    color: white;
    padding: 12px 18px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px;
    font-weight: bold;
}

.admin-login-btn:hover {
    background: #1d4ed8;
}

@media screen and (max-width: 600px) {
    .container {
        width: 94%;
        margin: 12px auto;
        padding: 15px;
        border-radius: 12px;
    }

    h2 {
        font-size: 22px;
        line-height: 1.4;
    }

    .subtitle {
        font-size: 14px;
    }

    label {
        font-size: 14px;
    }

    input,
    select,
    button {
        font-size: 15px;
    }

    .section {
        font-size: 14px;
    }

    .admin-login-area {
        text-align: center;
        margin-top: 40px;
    }

    .admin-login-btn {
        width: 100%;
        box-sizing: border-box;
        text-align: center;
    }
}