body {
    font-family: 'Inter', sans-serif;
    background-color: #f0f2f5; /* Soft gray background */
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    color: #333; /* Darker text for better readability */
    line-height: 1.6;
}

.container {
    max-width: 700px; /* Slightly narrower for a more focused look */
    padding: 0 15px; /* Add some padding for mobile */
}

.card {
    border: none;
    border-radius: 1.5rem; /* More rounded corners */
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08); /* Soft, subtle shadow */
    overflow: hidden;
    background-color: #ffffff;
}

.card-title {
    color: #2c3e50; /* Darker blue/gray for a professional feel */
    font-weight: 700;
    letter-spacing: -0.5px;
}

.text-muted {
    color: #6c757d !important; /* Ensure muted text is consistent */
}

.form-step {
    transition: opacity 0.5s ease-in-out;
}

.form-label {
    font-weight: 500;
    color: #495057; /* Slightly darker label color */
    margin-bottom: 0.5rem;
}

.form-control.rounded-pill,
.form-select.rounded-pill {
    border-radius: 0.75rem; /* Slightly less rounded than full pill for a cleaner look */
    padding: 0.8rem 1.25rem;
    border: 1px solid #e0e6ed; /* Lighter border */
    transition: border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    background-color: #fdfdfd;
}

.form-control.rounded-pill:focus,
.form-select.rounded-pill:focus {
    border-color: #007bff; /* Primary blue on focus */
    box-shadow: 0 0 0 0.15rem rgba(0, 123, 255, 0.2); /* Softer focus shadow */
    background-color: #ffffff;
}

.btn.rounded-pill {
    border-radius: 0.75rem; /* Consistent rounded corners with inputs */
    padding: 0.8rem 1.8rem;
    font-weight: 600;
    transition: background-color 0.2s ease-in-out, transform 0.1s ease-in-out, box-shadow 0.2s ease-in-out;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05); /* Subtle button shadow */
}

.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
    background-image: linear-gradient(to right, #007bff 0%, #0056b3 100%); /* Subtle gradient */
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #004085;
    transform: translateY(-1px);
    box-shadow: 0 6px 15px rgba(0, 123, 255, 0.2);
    background-image: linear-gradient(to right, #0056b3 0%, #004085 100%);
}

.btn-success {
    background-color: #28a745;
    border-color: #28a745;
    background-image: linear-gradient(to right, #28a745 0%, #218838 100%);
}

.btn-success:hover {
    background-color: #218838;
    border-color: #1e7e34;
    transform: translateY(-1px);
    box-shadow: 0 6px 15px rgba(40, 167, 69, 0.2);
    background-image: linear-gradient(to right, #218838 0%, #1e7e34 100%);
}

.btn-secondary {
    background-color: #6c757d;
    border-color: #6c757d;
    background-image: linear-gradient(to right, #6c757d 0%, #5a6268 100%);
}

.btn-secondary:hover {
    background-color: #5a6268;
    border-color: #545b62;
    transform: translateY(-1px);
    box-shadow: 0 6px 15px rgba(108, 117, 125, 0.2);
    background-image: linear-gradient(to right, #5a6268 0%, #545b62 100%);
}

.progress {
    height: 8px; /* Thinner progress bar */
    border-radius: 4px;
    background-color: #e9ecef;
    overflow: hidden; /* Ensure progress bar stays within bounds */
}

.progress-bar {
    background-color: #007bff;
    border-radius: 4px;
    transition: width 0.6s ease;
}

.alert {
    border-radius: 0.75rem;
    font-weight: 500;
    margin-bottom: 1.5rem; /* More spacing below alerts */
}

fieldset {
    border: 1px solid #dee2e6;
    padding: 1.5rem;
    border-radius: 0.75rem;
    margin-bottom: 2rem; /* More spacing between fieldsets */
    background-color: #fdfdfd;
}

legend {
    width: auto;
    padding: 0 0.75rem; /* More padding around legend text */
    font-size: 1.1rem;
    font-weight: 600;
    color: #007bff;
    margin-bottom: 0.5rem; /* Add some space below legend */
}

/* Loading Overlay Styles */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.85); /* Semi-transparent white overlay */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1050; /* Above Bootstrap modals */
    transition: opacity 0.3s ease-in-out;
}

.loading-overlay.d-none {
    opacity: 0;
    pointer-events: none; /* Allow clicks through when hidden */
}

.spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 0.3em;
    color: #007bff; /* Primary blue spinner */
}

.loading-text {
    font-size: 1.1rem;
    font-weight: 500;
    color: #495057;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .card-body {
        padding: 1.5rem;
    }
    .btn-lg {
        padding: 0.7rem 1.4rem;
        font-size: 0.95rem;
    }
    .form-control.rounded-pill,
    .form-select.rounded-pill {
        padding: 0.7rem 1rem;
    }
    .form-check-inline {
        margin-right: 0.5rem; /* Reduce spacing for inline checkboxes */
        margin-bottom: 0.5rem;
    }
}