.nav-item{display:flex;align-items:center;gap:var(--spacing-md);width:100%;padding:var(--nav-item-padding-y) var(--nav-item-padding-x);border:none;background:var(--nav-item-background);color:var(--nav-item-text);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);text-decoration:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);position:relative;min-height:var(--nav-item-height)}.nav-item:hover{background:var(--nav-item-background-hover);color:var(--nav-item-text-hover)}.nav-item:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.nav-item--active{background:var(--nav-item-background-active);color:var(--nav-item-text-active);font-weight:var(--font-weight-semibold)}.nav-item--active .nav-item-icon{color:var(--nav-item-icon-active)}.nav-item-icon{flex-shrink:0;width:20px;height:20px;font-size:20px;color:var(--nav-item-icon);transition:color var(--transition-fast)}.nav-item:hover .nav-item-icon{color:var(--nav-item-icon-hover)}.nav-item-label{flex:1;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nav-item-badge{flex-shrink:0;padding:2px 6px;background:var(--color-primary);color:#fff;font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);border-radius:var(--radius-xl);line-height:1;min-width:18px;text-align:center}.nav-item-chevron{flex-shrink:0;width:16px;height:16px;font-size:16px;color:var(--nav-item-icon);transition:transform var(--transition-fast);margin-left:auto}.nav-item-chevron.expanded{transform:rotate(180deg)}.nav-item--level-1{padding-left:calc(var(--nav-item-padding-x) + 12px)}.nav-item--level-2{padding-left:calc(var(--nav-item-padding-x) + 32px)}.nav-item--level-3{padding-left:calc(var(--nav-item-padding-x) + 52px)}.nav-item--collapsed{justify-content:center;padding-left:var(--nav-item-padding-x);padding-right:var(--nav-item-padding-x)}.nav-item--collapsed .nav-item-icon{margin:0}.nav-section-header{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--nav-section-padding-y) var(--nav-item-padding-x);color:var(--color-text-tertiary);font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);text-transform:uppercase;letter-spacing:.05em;margin-top:var(--spacing-md)}.nav-section-header:first-child{margin-top:0}.nav-divider{height:1px;background:var(--color-border);margin:var(--spacing-md) 0}.nav-tree{list-style:none;margin:0;padding:0}.nav-tree-item{margin-bottom:var(--spacing-xs)}.nav-tree .nav-tree{margin-top:var(--spacing-xs);margin-bottom:var(--spacing-xs)}.nav-tree .nav-section-header{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--nav-item-padding-y) var(--nav-item-padding-x);color:var(--nav-item-text);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);margin-top:var(--spacing-xs);margin-bottom:var(--spacing-xs);transition:all var(--transition-fast);border-radius:var(--radius-md);-webkit-user-select:none;user-select:none;min-height:var(--nav-item-height)}.nav-tree .nav-section-header[role=button]{cursor:pointer}.nav-tree .nav-section-header[role=button]:hover{background-color:var(--nav-item-background-hover);color:var(--nav-item-text-hover)}.nav-tree .nav-section-header[role=button]:active{background-color:var(--color-bg-tertiary)}.nav-tree .nav-section-header:first-child{margin-top:0}.nav-tree .nav-section-header .material-icons{font-size:20px;width:20px;height:20px;color:var(--nav-item-icon)}.nav-tree .nav-section-header[role=button]:hover .material-icons{color:var(--nav-item-icon-hover)}.nav-tree .nav-section-chevron{margin-left:auto;font-size:16px!important;color:var(--nav-item-icon);transition:transform var(--transition-fast)}.nav-tree .nav-section-header[role=button]:hover .nav-section-chevron{color:var(--nav-item-icon-hover)}.sidebar{position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-width);background:var(--sidebar-background);border-right:1px solid var(--sidebar-border);display:flex;flex-direction:column;transition:width var(--transition-base),transform var(--transition-base);z-index:var(--z-fixed);overflow:hidden}.sidebar--collapsed{width:var(--sidebar-collapsed-width)}.sidebar-header{flex-shrink:0;padding:var(--spacing-lg);border-bottom:1px solid var(--sidebar-border)}.sidebar-logo{display:flex;align-items:center;gap:var(--spacing-md);color:var(--color-primary)}.sidebar-logo .material-icons{font-size:32px;width:32px;height:32px}.sidebar-title{font-size:var(--font-size-lg);font-weight:var(--font-weight-bold);color:var(--color-text-primary);white-space:nowrap}.sidebar--collapsed 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.sidebar-user-info{display:none}.sidebar-logout-btn{display:flex;align-items:center;justify-content:center;width:28px;height:28px;padding:0;border:none;background:transparent;color:var(--color-text-secondary);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);flex-shrink:0}.sidebar-logout-btn:hover{background:var(--color-error-subtle);color:var(--color-error)}.sidebar-logout-btn:focus-visible{outline:2px solid var(--color-error);outline-offset:2px}.sidebar-logout-btn .material-icons{font-size:18px;width:18px;height:18px}.sidebar--collapsed .sidebar-logout-btn{display:none}.sidebar-controls{display:flex;gap:var(--spacing-xs);justify-content:flex-end}.sidebar--collapsed .sidebar-controls{justify-content:center}.sidebar-control-btn{display:flex;align-items:center;justify-content:center;width:32px;height:32px;padding:0;border:none;background:transparent;color:var(--color-text-secondary);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast)}.sidebar-control-btn:hover{background:var(--color-surface-hover);color:var(--color-text-primary)}.sidebar-control-btn:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.sidebar-control-btn .material-icons{font-size:20px;width:20px;height:20px}@media (max-width: 768px){.sidebar{transform:translate(-100%)}.sidebar--mobile-open{transform:translate(0)}}.sidebar-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:calc(var(--z-fixed) - 1);animation:fadeIn var(--transition-base)}@media (min-width: 769px){.sidebar-backdrop{display:none}}@media (min-width: 769px) and (max-width: 1023px){.sidebar{width:var(--sidebar-collapsed-width)}.sidebar:hover{width:var(--sidebar-width)}.sidebar:hover .sidebar-title,.sidebar:hover .sidebar-user-info{display:block}}.breadcrumbs{padding:var(--spacing-md) 0}.breadcrumbs-list{display:flex;align-items:center;flex-wrap:wrap;gap:var(--spacing-xs);list-style:none;margin:0;padding:0}.breadcrumbs-item{display:flex;align-items:center;gap:var(--spacing-xs);font-size:var(--font-size-sm)}.breadcrumbs-link{color:var(--color-text-secondary);text-decoration:none;transition:color var(--transition-fast)}.breadcrumbs-link:hover{color:var(--color-text-primary);text-decoration:underline}.breadcrumbs-link:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:var(--radius-sm)}.breadcrumbs-current{color:var(--color-text-primary);font-weight:var(--font-weight-medium)}.breadcrumbs-separator{color:var(--color-text-tertiary);font-size:18px;width:18px;height:18px}.command-palette-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:var(--z-modal-backdrop);display:flex;align-items:flex-start;justify-content:center;padding-top:15vh;animation:fadeIn var(--transition-fast)}.command-palette{width:90%;max-width:640px;background:var(--color-background);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);overflow:hidden;animation:slideInDown var(--transition-base)}.command-palette-header{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-lg);border-bottom:1px solid var(--color-border)}.command-palette-icon{color:var(--color-text-tertiary);font-size:20px;flex-shrink:0}.command-palette-input{flex:1;border:none;background:transparent;color:var(--color-text-primary);font-size:var(--font-size-base);outline:none}.command-palette-input::placeholder{color:var(--color-text-tertiary)}.command-palette-kbd{display:inline-flex;align-items:center;justify-content:center;padding:4px 8px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:var(--font-size-xs);font-family:monospace;color:var(--color-text-secondary);min-width:32px}.command-palette-list{max-height:400px;overflow-y:auto;padding:var(--spacing-sm)}.command-palette-group [cmdk-group-heading]{padding:var(--spacing-sm) var(--spacing-md);color:var(--color-text-tertiary);font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);text-transform:uppercase;letter-spacing:.05em}.command-palette-item{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);border-radius:var(--radius-md);cursor:pointer;transition:background var(--transition-fast)}.command-palette-item[aria-selected=true]{background:var(--nav-item-background-active)}.command-palette-item-icon{flex-shrink:0;color:var(--nav-item-icon);font-size:20px;width:20px;height:20px}.command-palette-item-content{flex:1;min-width:0}.command-palette-item-label{color:var(--color-text-primary);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.command-palette-item-path{color:var(--color-text-tertiary);font-size:var(--font-size-xs);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.command-palette-item-arrow{flex-shrink:0;color:var(--color-text-tertiary);font-size:16px;width:16px;height:16px;opacity:0;transition:opacity var(--transition-fast)}.command-palette-item[aria-selected=true] .command-palette-item-arrow{opacity:1}.command-palette-empty{padding:var(--spacing-xl);text-align:center;color:var(--color-text-secondary);font-size:var(--font-size-sm)}.command-palette-footer{display:flex;align-items:center;gap:var(--spacing-lg);padding:var(--spacing-md) var(--spacing-lg);border-top:1px solid var(--color-border);background:var(--color-surface)}.command-palette-hint{display:flex;align-items:center;gap:var(--spacing-xs);color:var(--color-text-secondary);font-size:var(--font-size-xs)}.command-palette-hint kbd{display:inline-flex;align-items:center;justify-content:center;padding:2px 6px;background:var(--color-background);border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:var(--font-size-xs);font-family:monospace;min-width:20px}@media (max-width: 768px){.command-palette-backdrop{padding-top:10vh}.command-palette{width:95%}.command-palette-footer{display:none}}.app-shell{display:flex;min-height:100vh;background:var(--color-background)}.app-content{flex:1;display:flex;flex-direction:column;margin-left:var(--sidebar-width);transition:margin-left var(--transition-base);min-width:0}.app-content--sidebar-collapsed{margin-left:var(--sidebar-collapsed-width)}.app-header{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-sm) var(--spacing-xl);background:var(--color-background);border-bottom:1px solid var(--color-border);gap:var(--spacing-lg);min-height:48px}.app-header-left{display:flex;align-items:center;gap:var(--spacing-lg);flex:1;min-width:0}.app-header-right{display:flex;align-items:center;gap:var(--spacing-sm)}.mobile-menu-toggle{display:none;align-items:center;justify-content:center;width:40px;height:40px;padding:0;border:none;background:transparent;color:var(--color-text-primary);border-radius:var(--radius-md);cursor:pointer;transition:background var(--transition-fast)}.mobile-menu-toggle:hover{background:var(--color-surface-hover)}.mobile-menu-toggle:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.mobile-menu-toggle .material-icons{font-size:24px}@media (max-width: 768px){.mobile-menu-toggle{display:flex}.app-content,.app-content--sidebar-collapsed{margin-left:0}}.header-action-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;padding:0;border:none;background:transparent;color:var(--color-text-secondary);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast)}.header-action-btn:hover{background:var(--color-surface-hover);color:var(--color-text-primary)}.header-action-btn:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.header-action-btn .material-icons{font-size:20px}.app-main{flex:1;padding:var(--spacing-xl);overflow-y:auto}@media (max-width: 768px){.app-header{padding:var(--spacing-sm) var(--spacing-lg)}.app-main{padding:var(--spacing-lg)}}@media (min-width: 769px) and (max-width: 1023px){.app-content{margin-left:var(--sidebar-collapsed-width)}}.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#1976d2,#0d47a1);font-family:var(--font-family, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif)}.login-card{background:#fff;border-radius:16px;box-shadow:0 20px 60px #0000004d;padding:48px;width:100%;max-width:440px;animation:slideUp .5s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.login-header{text-align:center;margin-bottom:32px}.logo{display:inline-flex;align-items:center;justify-content:center;width:80px;height:80px;background:linear-gradient(135deg,#1976d2,#1565c0);border-radius:20px;margin-bottom:24px}.logo svg{width:48px;height:48px}.logo .material-icons{font-size:48px;color:#fff}.login-header h1{font-size:28px;font-weight:700;margin:0 0 8px;color:#1a1a1a}.subtitle{font-size:16px;color:#666;margin:0}.login-content{margin-bottom:32px}.login-button{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;padding:16px 24px;background:#fff;border:2px solid #e0e0e0;border-radius:8px;font-size:16px;font-weight:600;color:#333;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 4px #0000000d}.login-button:hover{background:#f8f9fa;border-color:#1976d2;box-shadow:0 4px 12px #1976d226;transform:translateY(-2px)}.login-button:active{transform:translateY(0);box-shadow:0 2px 4px #0000000d}.microsoft-icon{width:24px;height:24px}.login-info{margin-top:24px;padding:16px;background:#f8f9fa;border-radius:8px}.info-text{display:flex;align-items:center;gap:8px;margin:0;font-size:14px;color:#666}.info-text .material-icons{font-size:20px;color:#1976d2}.login-footer{text-align:center;padding-top:24px;border-top:1px solid #e0e0e0}.login-footer p{margin:0;font-size:13px;color:#999}.loading-spinner{width:48px;height:48px;margin:0 auto 16px;border:4px solid #f3f3f3;border-top:4px solid #1976d2;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.login-method-tabs{display:flex;gap:8px;margin-bottom:24px;background:#f8f9fa;padding:4px;border-radius:8px}.tab-button{flex:1;padding:12px;background:transparent;border:none;border-radius:6px;font-size:14px;font-weight:600;color:#666;cursor:pointer;transition:all .2s ease}.tab-button:hover{background:#fff;color:#1976d2}.tab-button.active{background:#fff;color:#1976d2;box-shadow:0 2px 4px #0000000d}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-size:14px;font-weight:600;color:#333}.form-group input{width:100%;padding:12px 16px;border:2px solid #e0e0e0;border-radius:8px;font-size:15px;transition:all .2s ease;box-sizing:border-box}.form-group input:focus{outline:none;border-color:#1976d2;box-shadow:0 0 0 3px #1976d21a}.form-group input:disabled{background:#f5f5f5;cursor:not-allowed}.login-button[disabled]{opacity:.6;cursor:not-allowed}.error-message{display:flex;align-items:center;gap:8px;padding:12px 16px;margin-bottom:20px;background:#fee;border:1px solid #fcc;border-radius:8px;color:#c33;font-size:14px}.error-message .material-icons{font-size:20px}@media (max-width: 640px){.login-card{padding:32px 24px;margin:16px;max-width:none}.login-header h1{font-size:24px}.subtitle{font-size:14px}.logo{width:64px;height:64px}.logo svg{width:36px;height:36px}.logo .material-icons{font-size:36px}}.user-management-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:2rem;padding-bottom:1rem;border-bottom:2px solid var(--color-border)}.user-management-header h1{margin:0 0 .5rem;font-size:2rem;color:var(--color-text-primary)}.user-management-header p{margin:0;color:var(--color-text-secondary)}.loading-spinner{width:48px;height:48px;border:4px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin 1s linear infinite}.alert{display:flex;align-items:center;gap:.5rem;padding:1rem;border-radius:8px;margin-bottom:1rem}.alert-success{background-color:#e8f5e9;color:#2e7d32;border:1px solid #a5d6a7}.user-table-container{background:var(--color-background);border-radius:8px;overflow:hidden;box-shadow:0 2px 4px #0000000d}.user-table{width:100%;border-collapse:collapse}.user-table thead{background:var(--color-surface)}.user-table th{text-align:left;padding:1rem;font-weight:600;color:var(--color-text-primary);border-bottom:2px solid var(--color-border)}.user-table td{padding:1rem;border-bottom:1px solid var(--color-border);color:var(--color-text-primary)}.user-table tbody tr:hover{background:var(--color-surface)}.badge{display:inline-block;padding:.25rem .75rem;border-radius:12px;font-size:.875rem;font-weight:500;text-transform:capitalize}.badge-user{background:#e3f2fd;color:#1976d2}.badge-manager{background:#fff3e0;color:#f57c00}.badge-admin{background:#f3e5f5;color:#7b1fa2}.badge-local{background:#e1f5fe;color:#0277bd}.badge-o365{background:#fff9c4;color:#f57f17}.status{display:inline-block;padding:.25rem .75rem;border-radius:12px;font-size:.875rem;font-weight:500}.status-active{background:#e8f5e9;color:#2e7d32}.status-inactive{background:#ffebee;color:#c62828}.status-pending{background:#fff3e0;color:#ef6c00}.status-approved{background:#e8f5e9;color:#2e7d32}.status-rejected{background:#ffebee;color:#c62828}.action-buttons{display:flex;gap:.5rem}.btn-icon{display:flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0;border:none;background:transparent;border-radius:6px;cursor:pointer;transition:background-color .2s;color:var(--color-text-secondary)}.btn-icon:hover{background:var(--color-surface);color:var(--color-text-primary)}.btn-icon-danger:hover{background:#fee;color:#c33}.btn-icon-success:hover{background:#e8f5e9;color:#2e7d32}.btn-icon-warning:hover{background:#fff3e0;color:#ef6c00}.btn-icon .material-icons{font-size:20px}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:var(--color-background);border-radius:12px;box-shadow:0 8px 32px #0003;width:90%;max-width:500px;max-height:90vh;overflow:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem;border-bottom:1px solid var(--color-border)}.modal-header h2{margin:0;font-size:1.5rem;color:var(--color-text-primary)}.modal-body{padding:1.5rem}.modal-footer{display:flex;justify-content:flex-end;gap:1rem;padding:1.5rem;border-top:1px solid var(--color-border)}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--color-text-primary)}.form-group input,.form-group select{width:100%;padding:.75rem;border:1px solid var(--color-border);border-radius:6px;font-size:1rem;background:var(--color-background);color:var(--color-text-primary);transition:border-color .2s}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--color-primary)}.checkbox-label{display:flex;align-items:center;gap:.5rem;cursor:pointer}.checkbox-label input{width:auto;cursor:pointer}.required{color:#d32f2f}.form-hint{display:block;margin-top:.5rem;font-size:.875rem;color:var(--text-secondary);font-style:italic}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border:none;border-radius:6px;font-size:1rem;font-weight:500;cursor:pointer;transition:all 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1.5rem;max-width:400px}:root{--color-background: #ffffff;--color-surface: #f8f9fa;--color-surface-hover: #e9ecef;--color-border: #dee2e6;--color-text-primary: #212529;--color-text-secondary: #6c757d;--color-text-tertiary: #adb5bd;--sidebar-background: #ffffff;--sidebar-border: #e0e0e0;--sidebar-width: 264px;--sidebar-collapsed-width: 64px;--nav-item-background: transparent;--nav-item-background-hover: #f3f4f6;--nav-item-background-active: #e5e7eb;--nav-item-text: #374151;--nav-item-text-hover: #111827;--nav-item-text-active: #111827;--nav-item-icon: #6b7280;--nav-item-icon-hover: #374151;--nav-item-icon-active: #1976d2;--color-primary: #1976d2;--color-primary-hover: #1565c0;--color-primary-light: #e3f2fd;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-info: #3b82f6;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 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1280px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:1.5;color:var(--color-text-primary);background-color:var(--color-background);overflow-x:hidden}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}::selection{background-color:var(--color-primary-light);color:var(--color-text-primary)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-surface)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-tertiary)}.page-container{padding:2rem;max-width:1400px;margin:0 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