:root {
    --primary-color: #2c3e50;
    --primary-light: #34495e;
    --secondary-color: #7f8c8d;
    --accent-color: #e0e0e0;
    --text-color: #333;
    --light-gray: #f5f5f5;
    --border-radius: 0;
    --transition: all 0.3s ease;
    --sidebar-color: #2c3e50;
}

body {
    font-family: 'Roboto', sans-serif;
    color: var(--text-color);
    margin: 0;
    padding: 0;
    display: flex;
    min-height: 100vh;
    background-color: #f9f9f9;
}

.sidebar {
    width: 40%;
    background-color: var(--sidebar-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    color: white;
}

.sidebar-content {
    max-width: 400px;
}

.sidebar-title {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
    font-weight: 500;
}

.sidebar-subtitle {
    font-weight: 300;
    line-height: 1.6;
    opacity: 0.9;
}

.login-container {
    width: 60%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.login-card {
    background: white;
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.05);
    border-left: 1px solid var(--accent-color);
}

.logo-container {
    margin-bottom: 2rem;
    text-align: center;
}

.logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border: 2px solid var(--primary-color);
    padding: 5px;
}

.title {
    font-family: 'Playfair Display', serif;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-size: 1.75rem;
    text-align: center;
}

.subtitle {
    color: var(--secondary-color);
    margin-bottom: 2rem;
    font-size: 0.9375rem;
    line-height: 1.5;
    font-weight: 300;
    text-align: center;
}

.form-control {
    height: 45px;
    border-radius: var(--border-radius);
    border: 1px solid var(--accent-color);
    padding: 0 15px;
    transition: var(--transition);
    font-size: 0.9375rem;
    background-color: white;
}

    .form-control:focus {
        border-color: var(--primary-color);
        box-shadow: none;
    }

.btn-login {
    background-color: var(--primary-color);
    border: none;
    height: 45px;
    border-radius: var(--border-radius);
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: var(--transition);
    width: 100%;
    font-size: 0.9375rem;
}

    .btn-login:hover {
        background-color: var(--primary-light);
    }

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 400;
    color: var(--text-color);
    font-size: 0.875rem;
}

.alert {
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    padding: 0.75rem;
    border-left: 3px solid #c0392b;
    background-color: #f8d7da;
    color: #721c24;
}

.footer-text {
    margin-top: 2rem;
    color: var(--secondary-color);
    font-size: 0.8125rem;
    text-align: center;
}

    .footer-text a {
        color: var(--primary-color);
        text-decoration: none;
        font-weight: 400;
        transition: var(--transition);
    }

        .footer-text a:hover {
            color: var(--primary-light);
            text-decoration: underline;
        }

.input-icon {
    position: relative;
}

    .input-icon i {
        position: absolute;
        left: 15px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--secondary-color);
        font-size: 1rem;
    }

    .input-icon input {
        padding-left: 40px;
    }

@media (max-width: 768px) {
    body {
        flex-direction: column;
    }

    .sidebar,
    .login-container {
        width: 100%;
        padding: 2rem 1.5rem;
    }

    .sidebar {
        padding-top: 3rem;
        padding-bottom: 2rem;
    }

    .login-card {
        border-left: none;
        border-top: 1px solid var(--accent-color);
        padding: 2rem 1.5rem;
    }
}