/* Header Styling */
:root {
    --header-bg: var(--theme-header-bg);
    --header-text: var(--theme-header-text);
    --header-border: var(--theme-border-color);
    --header-height: 60px;
}

#main-header {
    background-color: var(--header-bg);
    padding: 0 30px;
    height: var(--header-height);
    border-bottom: 1px solid var(--header-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 900;
    width: 100%;
    box-sizing: border-box;
}

/* Breadcrumbs */
.breadcrumbs {
    color: var(--theme-text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
}

.breadcrumbs span {
    margin: 0 5px;
}

.breadcrumbs .separator {
    font-size: 0.7rem;
    color: var(--theme-text-muted);
}

.breadcrumbs .current-page {
    color: var(--theme-text-primary);
    font-weight: 600;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--theme-text-secondary);
    font-size: 1.1rem;
    padding: 5px;
    border-radius: 4px;
    transition: color 0.2s, background 0.2s;
}

.header-btn:hover {
    color: var(--theme-text-primary);
    background-color: var(--theme-bg-secondary);
}