/* Staff Management - Modern Clean CSS */

/* CSS Variables for consistent theming */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-card: #ffffff;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-light: #ffffff;
    
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset and Base Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
}

/* Main Container */
.wbts-staff-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header Section */
.wbts-staff-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--radius-xl);
    padding: 3rem 2rem;
    margin-bottom: 2rem;
    color: var(--text-light);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.wbts-staff-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.wbts-staff-header-content {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.wbts-staff-title-section h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.wbts-staff-title-section h1 i {
    font-size: 2rem;
    opacity: 0.9;
}

.wbts-staff-subtitle {
    font-size: 1.125rem;
    opacity: 0.9;
    margin: 0;
    font-weight: 400;
}

.wbts-staff-actions {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.wbts-staff-stats {
    display: flex;
    gap: 1.5rem;
}

.wbts-stat-item {
    text-align: center;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.wbts-stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.wbts-stat-label {
    display: block;
    font-size: 0.875rem;
    opacity: 0.8;
    margin-top: 0.25rem;
}

/* Buttons */
.wbts-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.wbts-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.wbts-btn:hover::before {
    left: 100%;
}

.wbts-btn-primary {
    background: var(--primary-color);
    color: var(--text-light);
    box-shadow: var(--shadow-md);
}

.wbts-btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.wbts-btn-secondary {
    background: var(--secondary-color);
    color: var(--text-light);
}

.wbts-btn-secondary:hover {
    background: #475569;
    transform: translateY(-2px);
}

.wbts-btn-success {
    background: var(--success-color);
    color: var(--text-light);
}

.wbts-btn-success:hover {
    background: #059669;
    transform: translateY(-2px);
}

.wbts-btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.wbts-btn-outline:hover {
    background: var(--primary-color);
    color: var(--text-light);
    transform: translateY(-2px);
}

.wbts-btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

/* Filters Section */
.wbts-staff-filters {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.wbts-filter-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.wbts-search-group {
    flex: 1;
}

.wbts-search-input-wrapper {
    position: relative;
    max-width: 500px;
}

.wbts-search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    z-index: 1;
}

.wbts-search-input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--bg-primary);
}

.wbts-search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.wbts-filter-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.wbts-filter-select {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.875rem;
    min-width: 150px;
    transition: var(--transition);
}

.wbts-filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Staff Grid */
.wbts-staff-list-container {
    margin-bottom: 2rem;
}

.wbts-staff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Staff Cards */
.wbts-staff-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.wbts-staff-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.wbts-staff-card-header {
    position: relative;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
    border-bottom: 1px solid var(--border-light);
}

.wbts-staff-avatar {
    position: relative;
    display: inline-block;
}

.wbts-staff-avatar img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--bg-card);
    box-shadow: var(--shadow-md);
}

.wbts-staff-avatar-placeholder {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    border: 4px solid var(--bg-card);
    box-shadow: var(--shadow-md);
}

.wbts-staff-status-indicator {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 3px solid var(--bg-card);
    box-shadow: var(--shadow-sm);
}

.wbts-staff-status-indicator.active {
    background: var(--success-color);
}

.wbts-staff-status-indicator.inactive {
    background: var(--danger-color);
}

.wbts-staff-approval-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.wbts-staff-approval-badge.pending {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.wbts-staff-approval-badge.approved {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.wbts-staff-approval-badge.rejected {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.wbts-staff-card-body {
    padding: 1.5rem;
}

.wbts-staff-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
}

.wbts-staff-role {
    font-size: 1rem;
    color: var(--primary-color);
    font-weight: 500;
    margin: 0 0 0.25rem 0;
}

.wbts-staff-department {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0 0 1rem 0;
}

.wbts-staff-id {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: 'Monaco', 'Menlo', monospace;
    margin: 0 0 1rem 0;
}

.wbts-staff-info {
    margin-bottom: 1.5rem;
}

.wbts-info-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.wbts-info-item i {
    width: 16px;
    color: var(--text-muted);
}

.wbts-staff-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.wbts-tag {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.wbts-tag-role {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.wbts-tag-access {
    background: rgba(100, 116, 139, 0.1);
    color: var(--secondary-color);
    border: 1px solid rgba(100, 116, 139, 0.2);
}

.wbts-tag-probation {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.wbts-staff-card-actions {
    padding: 1rem 1.5rem;
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-light);
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Empty State */
.wbts-empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.wbts-empty-icon {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.wbts-empty-state h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 0 0 1rem 0;
}

.wbts-empty-state p {
    color: var(--text-secondary);
    margin: 0 0 2rem 0;
}

/* Pagination */
.wbts-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.wbts-page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-primary);
    text-decoration: none;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.wbts-page-link:hover {
    background: var(--primary-color);
    color: var(--text-light);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.wbts-page-info {
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Modal */
.wbts-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.wbts-modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.wbts-modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.wbts-modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.wbts-modal-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.25rem;
}

.wbts-modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.wbts-modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.wbts-modal-body {
    padding: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.wbts-modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* Responsive Design */
@media (max-width: 768px) {
    .wbts-staff-container {
        padding: 1rem;
    }
    
    .wbts-staff-header {
        padding: 2rem 1.5rem;
    }
    
    .wbts-staff-header-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .wbts-staff-title-section h1 {
        font-size: 2rem;
    }
    
    .wbts-staff-actions {
        flex-direction: column;
        gap: 1rem;
    }
    
    .wbts-staff-stats {
        justify-content: center;
    }
    
    .wbts-filter-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .wbts-filter-select {
        min-width: auto;
    }
    
    .wbts-staff-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .wbts-staff-card-actions {
        flex-direction: column;
    }
    
    .wbts-staff-card-actions .wbts-btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .wbts-staff-header {
        padding: 1.5rem 1rem;
    }
    
    .wbts-staff-title-section h1 {
        font-size: 1.75rem;
    }
    
    .wbts-staff-filters {
        padding: 1.5rem;
    }
    
    .wbts-staff-card {
        margin: 0 -0.5rem;
        border-radius: var(--radius-lg);
    }
}

/* Loading States */
.wbts-loading {
    opacity: 0.6;
    pointer-events: none;
}

.wbts-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Focus States for Accessibility */
.wbts-btn:focus,
.wbts-search-input:focus,
.wbts-filter-select:focus,
.wbts-modal-close:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .wbts-staff-actions,
    .wbts-staff-filters,
    .wbts-staff-card-actions,
    .wbts-pagination {
        display: none !important;
    }
    
    .wbts-staff-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}