.controls-sidebar {
    overflow-y: auto; 
}

/* Updated header styles to match homepage */
.app-header {
    background: var(--background-primary);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: var(--space-3) 0 0;
}

/* Override the layout.css header-content with homepage header-container */
.header-container {
    max-width: var(--max-width-xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

/* Logo section matching homepage */
.logo-section {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo-icon {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.875rem;
    box-shadow: var(--shadow-sm);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.logo-text:hover {
    color: var(--primary-color);
}

/* Main navigation matching homepage */
.main-nav {
    display: flex;
    gap: var(--space-2);
}

.nav-link {
    padding: var(--space-2) var(--space-4);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 500;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
    background: var(--primary-subtle);
}

.nav-link.active {
    color: var(--primary-color);
    background: var(--primary-subtle);
    font-weight: 600;
}

/* Tool actions area */
.tool-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.help-btn {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    background: var(--background-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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



/* Tool status area */
.tool-status {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.status-badge {
    background: var(--success-color);
    color: white;
    font-size: 0.625rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.tool-tag {
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 500;
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
    .header-container {
        padding: 0 var(--space-4);
    }

    .breadcrumb-wrapper {
        padding: 0 var(--space-4);
        flex-direction: column;
        gap: var(--space-2);
        align-items: flex-start;
    }

    .main-nav {
        display: none;
        /* Hide main nav on mobile, could add hamburger menu later */
    }

    .tool-status {
        align-self: flex-end;
    }

    .breadcrumb {
        font-size: 0.8125rem;
    }
}

/* Adjust tool container top spacing */
.tool-container {
    padding: var(--space-4) 0;
}

.controls-sidebar {
    top: calc(120px + var(--space-4));
    /* Adjust for new header height */
}

/* Add to transformer.css */
.text-area.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading-spinner {
    display: inline-block;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}