body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background-color: #F4F7F6;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 250px;
    background-color: #FFFFFF;
    padding-top: 1rem;
    border-right: 1px solid #e0e0e0;
}

.sidebar .nav-link {
    color: #333;
    font-weight: 500;
}

.sidebar .nav-link.active,
.sidebar .nav-link:hover {
    color: #4A90E2;
    background-color: #e9f2fa;
}

.sidebar .nav-link .feather {
    margin-right: 10px;
}

.main-content {
    margin-left: 250px;
    padding: 2rem;
}

.summary-card {
    border: none;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

.summary-card:hover {
    transform: translateY(-5px);
}

.summary-card .card-img-top {
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}

/* New styles for login/register form */
.container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.form-container {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
    background-color: #FFFFFF;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.form-container h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: #333;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #555;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

button[type="submit"] {
    width: 100%;
    padding: 0.75rem;
    border: none;
    border-radius: 4px;
    background-color: #4A90E2;
    color: white;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

button[type="submit"]:hover {
    background-color: #357ABD;
}

.errors {
    background-color: #f8d7da;
    color: #721c24;
    padding: 1rem;
    border: 1px solid #f5c6cb;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.form-container p {
    text-align: center;
    margin-top: 1rem;
}

.success {
    background-color: #d4edda;
    color: #155724;
    padding: 1rem;
    border: 1px solid #c3e6cb;
    border-radius: 4px;
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        padding-top: 0;
    }

    .sidebar .nav {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .sidebar .nav-link {
        padding: 0.5rem 1rem;
    }

    .main-content {
        margin-left: 0;
        padding: 1rem;
    }

    .form-container {
        padding: 1.5rem;
    }
}