.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(rgba(253, 247, 226, 0.9), rgba(253, 247, 226, 0.9)),
                url('https://www.transparenttextures.com/patterns/silk.png');
}
.login-card {
    background: var(--white);
    width: 100%;
    max-width: 450px;
    padding: 3rem 2.5rem;
    border-radius: 4px;
    box-shadow: 0 15px 35px rgba(128, 0, 0, 0.1);
    border-top: 8px solid var(--primary-color);
    position: relative;
    text-align: center;
}
.login-card::before {
    content: '◈';
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    color: var(--gold);
    font-size: 1.5rem;
    padding: 0 10px;
}
.login-card h2 { 
    font-family: 'Playfair Display', serif; 
    color: var(--primary-color); 
    font-size: 2rem; 
    margin-bottom: 0.5rem; 
}
.login-card p { 
    color: #666; 
    margin-bottom: 2rem; 
    font-size: 0.9rem; 
}
.form-group { 
    text-align: left; 
    margin-bottom: 1.2rem; 
}
.form-group label { 
    display: block; 
    font-size: 0.85rem; 
    font-weight: 600; 
    color: var(--text-dark); 
    margin-bottom: 0.5rem; 
    text-transform: uppercase; 
    letter-spacing: 1px; 
}
.form-group input { 
    width: 100%; 
    padding: 12px; 
    border: 1px solid #ddd; 
    border-radius: 2px; 
    font-family: 'Poppins', sans-serif; 
    transition: border-color 0.3s; 
    background: #fafafa; 
}
.form-group input:focus { 
    outline: none; 
    border-color: var(--gold); 
    background: var(--white); 
}
.login-btn-submit { 
    width: 100%; 
    padding: 14px; 
    background: var(--gold-gradient); 
    color: var(--white); 
    border: none; 
    border-radius: 2px;
    font-family: 'Poppins', sans-serif; 
    font-weight: 600; 
    text-transform: uppercase; 
    letter-spacing: 2px; 
    cursor: pointer; 
    transition: transform 0.3s, box-shadow 0.3s; 
    margin-top: 1rem; 
}
.login-btn-submit:hover { 
    transform: translateY(-2px); 
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.4); 
}
.back-link { 
    display: inline-block; 
    margin-top: 1.5rem; 
    color: var(--primary-color); 
    text-decoration: none; 
    font-size: 0.85rem; 
    font-weight: 500; 
}
.back-link:hover {
    text-decoration: underline;
}

/* Mobile Adjustment */
@media (max-width: 480px) {
    .login-container {
        padding: 1rem;
    }

    .login-card {
        padding: 2.5rem 1.2rem;
        width: 100%;
        max-width: 100%;
        border-radius: 8px;
    }

    .login-card h2 {
        font-size: 1.6rem;
    }

    .login-btn-submit {
        padding: 12px;
        font-size: 0.85rem;
        letter-spacing: 1.5px;
    }

    .form-group {
        margin-bottom: 1rem;
    }

    .class-checkboxes {
        grid-template-columns: 1fr !important;
    }
}

.card-decoration {    position: absolute; 
    bottom: 0; 
    left: 0; 
    width: 100%; 
    height: 6px; 
    background: linear-gradient(45deg, transparent 33.33%, var(--gold) 33.33%, var(--gold) 66.66%, transparent 66.66%), 
                linear-gradient(-45deg, transparent 33.33%, var(--gold) 33.33%, var(--gold) 66.66%, transparent 66.66%); 
    background-size: 12px 12px; 
    background-repeat: repeat-x; 
}