/* ============================================================================
   BLAZOR CLIENT PAGE LAYOUT STYLES
   Shared page-level layout components for Blazor WebAssembly
   Version: 1.0.0
   ============================================================================ */

/* ============================================================================
   1. PAGE CONTAINER & HEADER
   ============================================================================ */

/* Page Wrapper - Spans full width with background */
.sf-page-wrapper {
    width: 100%;
    min-height: calc(100vh - 3.5rem - 37.795px); /* viewport - top-row - footer */
    display: flex;
    flex-direction: column;
}

/* Page Container - Constrains content width */
.sf-page-container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--sf-6);
    margin-top: 20px;
    margin-bottom: 80px;
    padding-left: calc(var(--sf-6) + 20px);
    padding-right: calc(var(--sf-6) + 20px);
    flex: 1;
}

/* Page Container Width Variants */
.sf-page-container[data-width="sm"] {
    max-width: 800px;
}

.sf-page-container[data-width="md"] {
    max-width: 1000px;
}

.sf-page-container[data-width="lg"] {
    max-width: 1100px;
}

.sf-page-container[data-width="xl"] {
    max-width: 1200px;
}

.sf-page-container[data-width="full"] {
    max-width: none;
}

/* No padding variant (for full-width content like calendars) */
.sf-page-container[data-no-padding="true"] {
    padding: 0;
}

.sf-page-header {
    margin-bottom: var(--sf-6);
    display: flex;
    flex-direction: column;
    gap: var(--sf-4);
}

.sf-page-header-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--sf-4);
    flex-wrap: wrap;
}

.sf-page-header-content {
    flex: 1;
    min-width: 0; /* Prevents flex overflow */
}

.sf-page-title {
    font-size: var(--sf-text-4xl);
    font-weight: var(--sf-weight-bold);
    color: var(--sf-text-heading);
    margin: 0 0 var(--sf-2) 0;
    display: flex;
    align-items: center;
    gap: var(--sf-3);
    line-height: var(--sf-leading-tight);
}

.sf-page-icon {
    font-size: var(--sf-text-3xl);
    color: var(--sf-primary-blue);
    flex-shrink: 0;
}

.sf-page-subtitle {
    font-size: var(--sf-text-lg);
    color: var(--sf-text-muted);
    margin: 0;
    line-height: var(--sf-leading-normal);
}

.sf-page-header-actions {
    display: flex;
    gap: var(--sf-3);
    flex-wrap: wrap;
    align-items: flex-start;
}

.sf-page-header-extra {
    width: 100%;
    padding-top: var(--sf-2);
}

/* Page Content Area */
.sf-page-content {
    width: 100%;
}

/* ============================================================================
   2. LOADING & EMPTY STATES
   ============================================================================ */

.sf-loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--sf-12) var(--sf-6);
    text-align: center;
}

.sf-loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--sf-space-8);
    text-align: center;
    min-height: 300px;
}

.sf-loading-state i {
    color: var(--sf-primary-blue);
    margin-bottom: var(--sf-space-3);
}

.sf-loading-state p {
    color: var(--sf-text-muted);
    margin: 0;
}

.sf-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--sf-gray-200);
    border-top-color: var(--sf-primary-blue);
    border-radius: 50%;
    animation: sf-spin 0.8s linear infinite;
}

@keyframes sf-spin {
    to { transform: rotate(360deg); }
}

.sf-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--sf-12) var(--sf-6);
    text-align: center;
}

.sf-empty-state i {
    font-size: 3rem;
    color: var(--sf-text-light);
    margin-bottom: var(--sf-4);
}

.sf-empty-state p:first-of-type {
    font-size: var(--sf-text-lg);
    font-weight: var(--sf-weight-semibold);
    color: var(--sf-text-secondary);
    margin: 0 0 var(--sf-2) 0;
}

/* ============================================================================
   3. STATISTICS GRID
   ============================================================================ */

.sf-stats-grid {
    display: grid;
    gap: var(--sf-4);
    margin-bottom: var(--sf-6);
}

.sf-stats-grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.sf-stats-grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.sf-stats-grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.sf-stat-card {
    display: flex;
    align-items: center;
    gap: var(--sf-4);
    padding: var(--sf-5);
    background-color: var(--sf-bg-card);
    border-radius: var(--sf-radius-xl);
    box-shadow: var(--sf-shadow-md);
    transition: all var(--sf-transition-base);
}

.sf-stat-card:hover {
    box-shadow: var(--sf-shadow-lg);
    transform: translateY(-2px);
}

.sf-stat-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--sf-radius-lg);
    font-size: var(--sf-text-2xl);
}

.sf-stat-icon-primary {
    background-color: color-mix(in srgb, var(--sf-primary-blue) 15%, transparent);
    color: var(--sf-primary-blue);
}

.sf-stat-icon-success {
    background-color: color-mix(in srgb, var(--sf-success) 15%, transparent);
    color: var(--sf-success);
}

.sf-stat-icon-warning {
    background-color: color-mix(in srgb, var(--sf-warning) 15%, transparent);
    color: var(--sf-warning);
}

.sf-stat-icon-danger {
    background-color: color-mix(in srgb, var(--sf-error) 15%, transparent);
    color: var(--sf-error);
}

.sf-stat-icon-info {
    background-color: color-mix(in srgb, var(--sf-info) 15%, transparent);
    color: var(--sf-info);
}

.sf-stat-content {
    flex: 1;
}

.sf-stat-value {
    font-size: var(--sf-text-3xl);
    font-weight: var(--sf-weight-bold);
    color: var(--sf-text-dark);
    line-height: 1;
    margin: 0 0 var(--sf-1) 0;
}

.sf-stat-label {
    font-size: var(--sf-text-sm);
    color: var(--sf-text-muted);
    margin: 0;
}

/* ============================================================================
   4. TABLES
   ============================================================================ */

.sf-table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* ============================================================================
   5. BADGES
   ============================================================================ */

.sf-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--sf-1);
    padding: var(--sf-1) var(--sf-3);
    font-size: var(--sf-text-xs);
    font-weight: var(--sf-weight-semibold);
    border-radius: var(--sf-radius-full);
    white-space: nowrap;
}

.sf-badge-primary {
    background-color: color-mix(in srgb, var(--sf-primary-blue) 15%, transparent);
    color: var(--sf-primary-blue);
}

.sf-badge-success {
    background-color: color-mix(in srgb, var(--sf-success) 15%, transparent);
    color: var(--sf-success);
}

.sf-badge-warning {
    background-color: color-mix(in srgb, var(--sf-warning) 15%, transparent);
    color: var(--sf-warning);
}

.sf-badge-danger {
    background-color: color-mix(in srgb, var(--sf-error) 15%, transparent);
    color: var(--sf-error);
}

.sf-badge-info {
    background-color: color-mix(in srgb, var(--sf-info) 15%, transparent);
    color: var(--sf-info);
}

.sf-badge-outline {
    background-color: transparent;
    border: 1px solid var(--sf-border-light);
    color: var(--sf-text-secondary);
}

/* ============================================================================
   6. FORM ACTIONS
   ============================================================================ */

.sf-form-actions {
    display: flex;
    gap: var(--sf-3);
    justify-content: flex-end;
    padding-top: var(--sf-6);
    margin-top: var(--sf-6);
    border-top: 1px solid var(--sf-border-light);
}

.sf-required {
    color: var(--sf-error);
}

/* Button text variant (minimal styling) */
.sf-btn-text {
    color: var(--sf-primary-blue);
    background-color: transparent;
    border-color: transparent;
    padding: var(--sf-space-2) var(--sf-space-3);
    text-decoration: none;
}

.sf-btn-text:hover:not(:disabled) {
    background-color: transparent;
    text-decoration: underline;
    color: var(--sf-primary-blue);
}

/* ============================================================================
   7. RESPONSIVE BREAKPOINTS
   ============================================================================ */

@media screen and (max-width: 768px) {
.sf-page-container {
    padding: var(--sf-4);
    padding-left: calc(var(--sf-4) + 20px);
    padding-right: calc(var(--sf-4) + 20px);
}
    
    .sf-page-container[data-no-padding="true"] {
        padding: 0;
    }
    
    .sf-page-title {
        font-size: var(--sf-text-3xl);
    }
    
    .sf-page-icon {
        font-size: var(--sf-text-2xl);
    }
    
    .sf-page-subtitle {
        font-size: var(--sf-text-base);
    }
    
    .sf-page-header {
        margin-bottom: var(--sf-4);
    }
    
    .sf-page-header-top {
        flex-direction: column;
        align-items: stretch;
    }
    
    .sf-page-header-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .sf-page-header-actions .btn,
    .sf-page-header-actions button {
        width: 100%;
        justify-content: center;
    }
    
    .sf-stats-grid-2,
    .sf-stats-grid-3,
    .sf-stats-grid-4 {
        grid-template-columns: 1fr;
    }
    
    .sf-form-actions {
        flex-direction: column-reverse;
    }
    
    .sf-form-actions .btn,
    .sf-form-actions button {
        width: 100%;
    }
}

@media screen and (max-width: 480px) {
.sf-page-container {
    padding: var(--sf-3);
    padding-left: calc(var(--sf-3) + 20px);
    padding-right: calc(var(--sf-3) + 20px);
}
    
    .sf-page-container[data-no-padding="true"] {
        padding: 0;
    }
    
    .sf-page-title {
        font-size: var(--sf-text-2xl);
    }
    
    .sf-stat-card {
        padding: var(--sf-4);
    }
    
    .sf-stat-icon {
        width: 48px;
        height: 48px;
        font-size: var(--sf-text-xl);
    }
    
    .sf-stat-value {
        font-size: var(--sf-text-2xl);
    }
}