/* Workspace Shell - The Canvas Architecture */

/* 
   The Shell consists of:
   1. Canvas Header (Global Page Title & Primary Actions)
   2. Canvas Toolbar (Optional View-specific controls, sticky)
   3. Canvas Content (The View itself)
*/

/* --- 1. Canvas Header --- */
.canvas-header {
    background: var(--theme-bg-primary);
    border-bottom: 1px solid var(--theme-border-color);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
    /* Fixed height for consistency */
    box-sizing: border-box;
    flex-shrink: 0;
    /* Never shrink */
}

.canvas-header__left {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.canvas-header__breadcrumbs {
    font-size: 0.85rem;
    color: var(--theme-text-secondary);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.canvas-header__breadcrumb-item:not(:last-child)::after {
    content: '/';
    margin-left: 6px;
    color: var(--theme-text-muted);
}

.canvas-header__title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--theme-text-primary);
    margin: 0;
    line-height: 1.2;
}

.canvas-header__right {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* --- 2. Canvas Toolbar (Sticky) --- */
.canvas-toolbar {
    background: var(--theme-bg-primary);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--theme-border-color);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 10;
    /* Above content */
    min-height: 56px;
    box-sizing: border-box;
    flex-shrink: 0;
}

/* --- 3. Canvas Content --- */
.canvas-content {
    flex-grow: 1;
    /* padding: 24px;  Moved to .workspace-view to allow full-bleed overrides */
    overflow-y: auto;
    position: relative;
    display: flex;
    flex-direction: column;
}

/* Helper to ensure views take full height if needed */
.canvas-content>* {
    width: 100%;
}

/* --- Standardized Components for Views --- */

/* Standard View Container */
.workspace-view {
    width: 100%;
    padding: 24px;
    /* Default padding for views */
    box-sizing: border-box;
}

/* Workspace Card - A standard container for content blocks */
.workspace-card {
    background: var(--theme-card-bg);
    border: 1px solid var(--theme-border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--theme-card-shadow);
    padding: 20px;
    margin-bottom: 20px;
}

/* Empty State Helper */
.workspace-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    color: var(--theme-text-secondary);
}

.workspace-empty-state i {
    font-size: 3rem;
    margin-bottom: 16px;
    color: var(--color-gray-300);
}