:root {
    --primary-blue: rgba(25, 103, 178, 1);
    --primary-blue-light: rgba(25, 103, 178, 0.1);
    --primary-blue-hover: rgba(25, 103, 178, 0.9);
}

body {
    background-color: #f8f9fa;
}

.navbar {
    background-color: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1rem 0;
}

.navbar-brand img {
    height: 40px;
    width: auto;
}

.card {
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    margin-bottom: 2rem;
    border-radius: 8px;
}

.card-header {
    background-color: white;
    border-bottom: 2px solid var(--primary-blue-light);
    padding: 1rem 1.5rem;
}

.card-header h2 {
    color: var(--primary-blue);
    font-size: 1.5rem;
    margin: 0;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

.form-label {
    color: #495057;
    font-weight: 500;
}

.form-control {
    border-radius: 6px;
    border: 1px solid #ced4da;
    padding: 0.75rem 1rem;
}

.form-control:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 0.2rem rgba(25, 103, 178, 0.25);
}

.btn-primary {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
}

.btn-primary:hover {
    background-color: var(--primary-blue-hover);
    border-color: var(--primary-blue-hover);
}

.btn-secondary {
    background-color: #6c757d;
    border-color: #6c757d;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
}

.menu-item {
    background-color: white;
    border: 1px solid #e9ecef;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 8px;
    position: relative;
}

.sub-menu-container {
    margin-left: 2rem;
    margin-top: 1rem;
    padding-left: 1rem;
    border-left: 2px solid var(--primary-blue-light);
}

.audio-item {
    background-color: white;
    margin: 1rem 0;
    padding: 1rem;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.audio-item audio {
    flex-grow: 1;
}

.remove-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.loading {
    cursor: wait;
    opacity: 0.7;
}

.container {
    max-width: 1000px;
    padding: 2rem 1rem;
}

.form-select {
    padding: 0.75rem 1rem;
    border-radius: 6px;
}

.form-select:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 0.2rem rgba(25, 103, 178, 0.25);
}

textarea.form-control {
    min-height: 100px;
}