:root {
    --primary-color: #2D1863;
    --secondary-color: #FFD600;
    --dark-color: #0A0A23;
    --text-color: #555;
    --error-color: #dc3545;
    --success-color: #28a745;
    --border-radius: 8px;
    --box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    font-family: 'Montserrat', Arial, sans-serif;
    background: linear-gradient(90deg, var(--secondary-color) 70%, var(--dark-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-container {
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--box-shadow);
    display: flex;
    flex-direction: row;
    max-width: 800px;
    width: 100%;
    overflow: hidden;
    margin: 20px;
}

.auth-form {
    flex: 1;
    padding: 48px 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.auth-form h2 {
    color: var(--primary-color);
    margin-bottom: 8px;
    font-size: 2rem;
    font-weight: 700;
}

.auth-form p {
    color: var(--text-color);
    margin-bottom: 32px;
    line-height: 1.6;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--primary-color);
    font-weight: 500;
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: #f8f9fa;
}

.form-control:focus {
    border-color: var(--secondary-color);
    outline: none;
    background-color: #fff;
    box-shadow: 0 0 0 3px rgba(255, 214, 0, 0.1);
}

.password-field-container {
    position: relative;
    display: flex;
    align-items: center;
}

.password-toggle-btn {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-color);
    padding: 4px;
    transition: color 0.3s ease;
}

.password-toggle-btn:hover {
    color: var(--primary-color);
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: var(--primary-color);
    color: #fff;
}

.btn-primary:hover {
    background: var(--secondary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
}

.button-icon {
    transition: transform 0.3s ease;
}

.btn:hover .button-icon {
    transform: translateX(4px);
}

.form-options {
    margin: 24px 0;
}

.form-check {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
}

.form-check-input {
    margin-right: 8px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-check-label {
    color: var(--text-color);
    font-size: 0.95rem;
}

.auth-links {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
}

.auth-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.auth-link:hover {
    color: var(--secondary-color);
}

.logo-section {
    background: var(--dark-color);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 32px;
    position: relative;
    overflow: hidden;
}

.logo-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255, 214, 0, 0.1), transparent);
    z-index: 1;
}

.logo-section img {
    max-width: 220px;
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
    position: relative;
    z-index: 2;
}

.alert {
    padding: 16px;
    margin-top: 24px;
    border-radius: var(--border-radius);
    font-size: 0.95rem;
}

.alert-danger {
    background-color: #fff5f5;
    border: 1px solid #feb2b2;
    color: var(--error-color);
}

.alert-success {
    background-color: #f0fff4;
    border: 1px solid #9ae6b4;
    color: var(--success-color);
}

.invalid-feedback {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 6px;
    display: block;
}

@media (max-width: 768px) {
    .auth-container {
        flex-direction: column;
        max-width: 95vw;
        margin: 10px;
    }

    .logo-section {
        padding: 24px 0;
    }

    .auth-form {
        padding: 32px 24px;
    }
}