body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: #f0f0f0;
}

/* === Navbar === */
.navbar {
    background-color: #333;
    padding: 15px 20px;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: auto;
}

.brand {
    color: white;
    font-size: 20px;
    font-weight: bold;
}

.burger {
    background: none;
    border: none;
    color: white;
    font-size: 26px;
    cursor: pointer;
    display: none;
}

.nav-list {
    list-style: none;
    display: flex;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.nav-list li a {
    text-decoration: none;
    color: white;
    font-size: 18px;
    transition: color 0.3s;
}

.nav-list li a:hover {
    color: red;
}

/* === Main section === */
.main-section {
    width: 100%;
    padding: 40px 20px;
    box-sizing: border-box;
}

.main-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    max-width: 1000px;
    margin: auto;
    gap: 30px;
    flex-wrap: wrap;
}

.input-data,
.result-box {
    background-color: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    flex: 1 1 45%;
    box-sizing: border-box;
}

.input-data h2,
.result-box h3 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 15px;
}

.form-group label {
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input,
.form-group select {
    padding: 10px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 6px;
}

button[type="submit"] {
    width: 100%;
    padding: 12px;
    background-color: #333;
    color: white;
    font-size: 18px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s;
}

button[type="submit"]:hover {
    background-color: #555;
}

/* === Better mobile login layout === */
@media (max-width: 500px) {
    .main-section {
        padding: 20px 10px;
    }

    .input-data {
        padding: 20px;
        box-shadow: none;
        border-radius: 8px;
    }

    .input-data h2 {
        font-size: 20px;
    }

    .form-group label {
        font-size: 14px;
    }

    .form-group input {
        font-size: 15px;
        padding: 10px;
    }

    button[type="submit"] {
        font-size: 16px;
        padding: 10px;
    }
}

/* === Vertically center login form on small screens === */
@media (max-width: 768px) {
    .main-section {
        display: flex;
        justify-content: center;
        align-items: center;
        min-height: calc(100vh - 60px); /* subtract navbar height */
    }

    .main-container {
        margin-top: 0;
        gap: 20px;
    }
}