*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:#333;background-color:#f8f9fa}#root{min-height:100vh;display:flex;flex-direction:column}.container{width:100%;margin:0 auto;padding:0 15px}@media (max-width: 768px){.container{padding:0 10px}}@media (max-width: 480px){.container{padding:0 5px}}.header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:1rem 0;box-shadow:0 2px 10px #0000001a;position:sticky;top:0;z-index:1000}.header-content{display:flex;align-items:center;justify-content:space-between;position:relative}.logo{flex:0 0 auto;padding-left:0;margin-left:0}.logo a{font-size:1.8rem;font-weight:700;color:#fff;text-decoration:none}.nav-center{position:absolute;left:50%;transform:translate(-50%);display:flex;gap:2rem;align-items:center}.nav-link{color:#fff;text-decoration:none;padding:.5rem 1rem;border-radius:6px;transition:background-color .3s;font-weight:500}.nav-link:hover{background-color:#fff3}.nav-link.active{background-color:#ffffff4d}.header-right{display:flex;align-items:center;gap:1rem;flex:0 0 auto;margin-left:auto}.user-welcome{font-size:.9rem;opacity:.9;white-space:nowrap}.btn-logout{padding:.5rem 1rem;font-size:.9rem;white-space:nowrap}.mobile-menu-toggle{display:none;flex-direction:column;background:none;border:none;cursor:pointer;padding:.5rem}.mobile-menu-toggle span{width:25px;height:3px;background:#fff;margin:3px 0;transition:.3s}.nav-mobile{display:none;position:absolute;top:100%;left:0;right:0;background:linear-gradient(135deg,#667eea,#764ba2);flex-direction:column;padding:1rem 0;transform:translateY(-10px);opacity:0;visibility:hidden;transition:all .3s ease}.nav-mobile-open{transform:translateY(0);opacity:1;visibility:visible}.nav-mobile .nav-link{display:block;padding:1rem 2rem;border-radius:0;text-align:center;border-bottom:1px solid rgba(255,255,255,.1)}.mobile-user-info{padding:1rem 2rem;border-top:1px solid rgba(255,255,255,.2);display:flex;flex-direction:column;gap:.5rem;text-align:center}.mobile-user-info span{font-size:.9rem;opacity:.9}@media (max-width: 1024px){.nav-center{gap:1rem}.nav-link{padding:.5rem .75rem;font-size:.9rem}}@media (min-width: 768px) and (max-width: 1175px){.user-welcome{display:none}}@media (max-width: 768px){.nav-center,.header-right{display:none}.mobile-menu-toggle,.nav-mobile{display:flex}}@media (max-width: 480px){.logo a{font-size:1.5rem}.nav-mobile .nav-link{padding:.8rem 1rem}.mobile-user-info{padding:1rem}}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:2rem 1rem}.login-card{background:#fff;border-radius:15px;padding:3rem 2rem;box-shadow:0 20px 40px #0000001a;width:100%;max-width:400px}.login-header{text-align:center;margin-bottom:2rem}.login-header h1{font-size:2rem;color:#333;margin-bottom:.5rem;font-weight:600}.login-header p{color:#666;font-size:1rem}.login-form{margin-bottom:2rem}.btn-login{width:100%;padding:.875rem;font-size:1rem;font-weight:600;border-radius:8px;margin-top:.5rem}.login-footer{text-align:center;padding-top:1.5rem;border-top:1px solid #e1e5e9}.login-footer p{color:#666;margin:0}.demo-credentials{margin-top:2rem;padding:1.5rem;background-color:#f8f9fa;border-radius:8px;border-left:4px solid #667eea}.demo-credentials h3{font-size:.9rem;color:#333;margin-bottom:.5rem;font-weight:600}.demo-credentials p{font-size:.8rem;color:#666;margin-bottom:.25rem;line-height:1.4}.demo-credentials strong{color:#333}@media (max-width: 480px){.login-container{padding:1rem}.login-card{padding:2rem 1.5rem}.login-header h1{font-size:1.75rem}.demo-credentials{padding:1rem}}@media (max-width: 360px){.login-card{padding:1.5rem 1rem}}.register-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:2rem 1rem}.register-card{background:#fff;border-radius:15px;padding:3rem 2rem;box-shadow:0 20px 40px #0000001a;width:100%;max-width:450px}.register-header{text-align:center;margin-bottom:2rem}.register-header h1{font-size:2rem;color:#333;margin-bottom:.5rem;font-weight:600}.register-header p{color:#666;font-size:1rem}.register-form{margin-bottom:2rem}.form-control{width:100%;padding:.75rem 1rem;border:2px solid #e1e5e9;border-radius:8px;font-size:1rem;transition:all .3s ease;background-color:#fff}.form-control:disabled{background-color:#f8f9fa;cursor:not-allowed}.btn-register{width:100%;padding:.875rem;font-size:1rem;font-weight:600;border-radius:8px;margin-top:.5rem}.register-footer{text-align:center;padding-top:1.5rem;border-top:1px solid #e1e5e9}.register-footer p{color:#666;margin:0}.link{color:#667eea;text-decoration:none;font-weight:600}.link:hover{text-decoration:underline}@media (max-width: 480px){.register-container{padding:1rem}.register-card{padding:2rem 1.5rem}.register-header h1{font-size:1.75rem}.password-requirements{font-size:.75rem}}@media (max-width: 360px){.register-card{padding:1.5rem 1rem}}.dashboard-container{padding:2rem 0;min-height:calc(100vh - 80px)}.dashboard-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:3rem;gap:2rem}.welcome-section h1{font-size:2.5rem;color:#333;margin-bottom:.5rem;font-weight:700}.welcome-section p{font-size:1.1rem;color:#666;margin:0}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-bottom:3rem}.stat-card{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 4px 6px #0000000d;border:1px solid #e1e5e9;display:flex;align-items:center;gap:1rem;transition:transform .2s ease,box-shadow .2s ease}.stat-card:hover{transform:translateY(-2px);box-shadow:0 8px 15px #0000001a}.stat-icon{width:60px;height:60px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.5rem}.stat-icon.total-tasks{background:#e3f2fd}.stat-icon.pending-tasks{background:#fff3e0}.stat-icon.progress-tasks{background:#e8f5e8}.stat-icon.completed-tasks{background:#f3e5f5}.stat-content h3{font-size:2rem;font-weight:700;color:#333;margin:0 0 .25rem;line-height:1}.stat-content p{color:#666;margin:0;font-size:.9rem;font-weight:500}.recent-tasks-section,.admin-actions-section{background:#fff;border-radius:12px;padding:2rem;margin-bottom:2rem;box-shadow:0 4px 6px #0000000d;border:1px solid #e1e5e9}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.section-header h2{font-size:1.5rem;color:#333;margin:0;font-weight:600}.view-all-link{color:#667eea;text-decoration:none;font-weight:500;transition:color .2s ease}.view-all-link:hover{color:#5a6fd8;text-decoration:underline}.tasks-list{display:flex;flex-direction:column;gap:1rem}.task-card{display:flex;justify-content:between;align-items:flex-start;padding:1.5rem;border:1px solid #e1e5e9;border-radius:8px;transition:all .2s ease;gap:1rem}.task-card:hover{border-color:#667eea;box-shadow:0 2px 8px #667eea1a}.task-main{flex:1}.task-title{font-size:1.1rem;font-weight:600;color:#333;margin:0 0 .5rem}.task-description{color:#666;margin:0 0 1rem;line-height:1.4}.task-meta{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}.task-due{font-size:.8rem;color:#666;background:#f8f9fa;padding:.25rem .5rem;border-radius:4px}.task-assignee{min-width:150px;text-align:right}.assignee{font-size:.8rem;color:#666;background:#f8f9fa;padding:.5rem .75rem;border-radius:20px}.empty-state h3{font-size:1.5rem;color:#333;margin-bottom:.5rem}.empty-state p{color:#666;margin-bottom:2rem}.actions-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}.action-card{background:#f8f9fa;border:2px solid transparent;border-radius:12px;padding:2rem;text-decoration:none;color:inherit;transition:all .2s ease;text-align:center}.action-card:hover{border-color:#667eea;background:#fff;transform:translateY(-2px);box-shadow:0 8px 15px #0000001a}.action-icon{font-size:3rem;margin-bottom:1rem}.action-card h3{font-size:1.2rem;color:#333;margin-bottom:.5rem;font-weight:600}.action-card p{color:#666;margin:0;font-size:.9rem}@media (max-width: 768px){.dashboard-container{padding:1rem 0}.dashboard-header{flex-direction:column;align-items:stretch;gap:1rem;margin-bottom:2rem}.welcome-section h1{font-size:2rem}.stats-grid{grid-template-columns:1fr;gap:1rem}.stat-card{padding:1.25rem}.recent-tasks-section,.admin-actions-section{padding:1.5rem;margin-bottom:1.5rem}.task-card{flex-direction:column;padding:1.25rem}.task-assignee{text-align:left;min-width:auto;width:100%}.actions-grid{grid-template-columns:1fr}}@media (max-width: 480px){.welcome-section h1{font-size:1.75rem}.stat-card{padding:1rem}.stat-icon{width:50px;height:50px;font-size:1.25rem}.recent-tasks-section,.admin-actions-section{padding:1rem}.section-header,.task-meta{flex-direction:column;align-items:flex-start;gap:.5rem}}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.char-count{text-align:right;font-size:.8rem;color:#6c757d;margin-top:.25rem}.help-text{font-size:.8rem;color:#6c757d;margin-top:.25rem;font-style:italic}@media (max-width: 768px){.modal{max-width:100%;margin:1rem}.modal-header{padding:1.25rem 1.5rem}.modal-form{padding:1.5rem}.form-row{grid-template-columns:1fr;gap:0}.modal-actions{flex-direction:column-reverse}.btn{width:100%}}@media (max-width: 480px){.modal-overlay{padding:.5rem}.modal-header{padding:1rem 1.25rem}.modal-header h2{font-size:1.25rem}.modal-form{padding:1.25rem}}.user-search-container{position:relative}.user-dropdown{position:absolute;top:100%;left:0;right:0;background:#fff;border:1px solid #e1e5e9;border-radius:8px;max-height:200px;overflow-y:auto;z-index:1000;box-shadow:0 4px 6px #0000001a;margin-top:2px}.user-option{padding:.75rem 1rem;cursor:pointer;border-bottom:1px solid #f1f1f1;transition:background-color .2s ease}.user-option:hover{background-color:#f8f9fa}.user-option:last-child{border-bottom:none}.user-name{font-weight:600;color:#333;margin-bottom:.25rem}.user-email{font-size:.8rem;color:#666;margin-bottom:.25rem}.user-role{display:inline-block;padding:.2rem .5rem;font-size:.7rem;border-radius:12px;text-transform:capitalize;font-weight:600}.user-role.admin{background:#667eea;color:#fff}.user-role.user{background:#28a745;color:#fff}.no-users{padding:1rem;text-align:center;color:#666;font-style:italic}.users-loading{padding:1rem;text-align:center;color:#666;font-style:italic;background:#f8f9fa;border-radius:0 0 8px 8px}.pagination-container{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 0;margin-top:1rem;border-top:1px solid #e1e5e9;flex-wrap:wrap;gap:1rem}.pagination-info{color:#666;font-size:.9rem;font-weight:500;margin-left:10px}.pagination-controls{display:flex;gap:.5rem;align-items:center}.pagination-btn{padding:.5rem .75rem;border:1px solid #e1e5e9;background:#fff;color:#333;border-radius:6px;cursor:pointer;font-size:.9rem;font-weight:500;transition:all .2s ease;min-width:40px;display:flex;align-items:center;justify-content:center}.pagination-btn:hover:not(:disabled){background:#667eea;color:#fff;border-color:#667eea}.pagination-btn.active{background:#667eea;color:#fff;border-color:#667eea}.pagination-btn:disabled{opacity:.5;cursor:not-allowed;background:#f8f9fa}.pagination-stats{color:#666;font-size:.9rem;font-weight:500;margin-right:10px}@media (max-width: 768px){.pagination-container{flex-direction:column;gap:1rem;text-align:center}.pagination-controls{order:1}.pagination-info{order:2}.pagination-stats{order:3}}@media (max-width: 480px){.pagination-btn{padding:.4rem .6rem;min-width:35px;font-size:.8rem}}.task-management-container{padding:2rem 0;min-height:calc(100vh - 80px)}.filters-section{background:#fff;border-radius:12px;padding:1.5rem;margin-bottom:2rem;box-shadow:0 2px 4px #0000000d;border:1px solid #e1e5e9}.filters-grid{display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:1rem;align-items:end}.filter-group{display:flex;flex-direction:column;gap:.5rem}.filter-group label{font-weight:600;color:#333;font-size:.9rem}.tasks-table-container{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 6px #0000000d;border:1px solid #e1e5e9}.tasks-table{width:100%;border-collapse:collapse}.tasks-table th{background:#f8f9fa;padding:1rem;text-align:left;font-weight:600;color:#333;border-bottom:2px solid #e1e5e9;white-space:nowrap}.tasks-table td{padding:1rem;border-bottom:1px solid #e1e5e9;vertical-align:top}.tasks-table tbody tr:hover{background:#f8f9fa}.tasks-table tbody tr:last-child td{border-bottom:none}.task-title-cell{min-width:200px}.task-title{font-weight:600;color:#333;margin-bottom:.25rem}.task-description-cell{max-width:300px;min-width:200px}.due-date{font-weight:500;color:#333}.no-date{color:#999;font-style:italic}@media (max-width: 1024px){.filters-grid{grid-template-columns:1fr 1fr;gap:1rem}}@media (max-width: 768px){.task-management-container{padding:1rem 0}.page-header{flex-direction:column;align-items:stretch;gap:1rem}.page-header h1{font-size:2rem}.filters-section{padding:1.25rem}.filters-grid{grid-template-columns:1fr}.tasks-table{min-width:800px}.action-buttons{flex-direction:column;gap:.25rem}.btn-sm{padding:.5rem .75rem;font-size:.8rem}}@media (max-width: 480px){.page-header h1{font-size:1.75rem}.filters-section{padding:1rem}.alert{padding:.875rem 1rem;flex-direction:column;align-items:stretch;gap:.5rem}.alert-close{align-self:flex-end}}@media (max-width: 768px){.tasks-table-container{overflow-x:auto;-webkit-overflow-scrolling:touch}.tasks-table{min-width:600px}.tasks-table th:nth-child(2),.tasks-table td:nth-child(2),.tasks-table th:nth-child(6),.tasks-table td:nth-child(6){display:none}.task-title-cell{min-width:120px}.task-description-cell{display:none}.action-buttons{flex-direction:column;gap:.25rem;min-width:80px}.btn-sm{padding:.4rem .6rem;font-size:.75rem;min-width:60px}}@media (max-width: 480px){.tasks-table{min-width:500px}.tasks-table th:nth-child(5),.tasks-table td:nth-child(5){display:none}.task-title-cell{min-width:100px}.tasks-table th,.tasks-table td{padding:.5rem .25rem;font-size:.8rem}}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;padding:1rem;z-index:1000;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:#fff;border-radius:12px;width:100%;max-width:500px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 40px #0003;animation:slideUp .2s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 2rem;border-bottom:1px solid #e1e5e9}.modal-header h2{margin:0;font-size:1.5rem;color:#333;font-weight:600}.modal-close{background:none;border:none;font-size:1.5rem;cursor:pointer;color:#6c757d;padding:.25rem;border-radius:4px;transition:all .2s ease}.modal-close:hover{background:#f8f9fa;color:#333}.modal-form{padding:2rem}.form-group{margin-bottom:1.5rem}.form-label{display:block;margin-bottom:.5rem;font-weight:600;color:#333;font-size:.9rem}.form-control.error{border-color:#dc3545}.form-control.error:focus{border-color:#dc3545;box-shadow:0 0 0 3px #dc35451a}.error-message{display:block;color:#dc3545;font-size:.8rem;margin-top:.25rem;font-weight:500}.password-requirements{margin-top:.5rem;padding:.75rem;background-color:#f8f9fa;border-radius:6px;font-size:.8rem;color:#666}.password-requirements ul{margin:.5rem 0 0 1rem;padding:0}.password-requirements li{margin-bottom:.25rem;line-height:1.3}.help-text{font-size:.8rem;margin-top:.25rem}.help-text.warning{color:#dc3545;font-weight:500}.modal-actions{display:flex;gap:1rem;justify-content:flex-end;margin-top:2rem;padding-top:1.5rem;border-top:1px solid #e1e5e9}.btn{padding:.75rem 1.5rem;border:none;border-radius:8px;cursor:pointer;font-size:1rem;font-weight:500;transition:all .2s ease;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-width:100px}.btn-loading{display:flex;align-items:center;justify-content:center;gap:.5rem}.spinner{width:16px;height:16px;border:2px solid transparent;border-top:2px solid currentColor;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 768px){.modal{max-width:100%;margin:1rem}.modal-header{padding:1.25rem 1.5rem}.modal-form{padding:1.5rem}.modal-actions{flex-direction:column-reverse}.btn{width:100%}}@media (max-width: 480px){.modal-overlay{padding:.5rem}.modal-header{padding:1rem 1.25rem}.modal-header h2{font-size:1.25rem}.modal-form{padding:1.25rem}.password-requirements{font-size:.75rem}}.user-management-container{padding:2rem 0;min-height:calc(100vh - 80px)}.page-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:2rem;gap:2rem}.page-header h1{font-size:2.5rem;color:#333;margin-bottom:.5rem;font-weight:700}.page-header p{font-size:1.1rem;color:#666;margin:0}.search-section{background:#fff;border-radius:12px;padding:1.5rem;margin-bottom:2rem;box-shadow:0 2px 4px #0000000d;border:1px solid #e1e5e9}.search-box{position:relative;max-width:400px}.search-input{padding-right:3rem}.search-clear{position:absolute;right:1rem;top:50%;transform:translateY(-50%);background:none;border:none;font-size:1.25rem;cursor:pointer;color:#6c757d;padding:.25rem;border-radius:4px;transition:all .2s ease}.search-clear:hover{background:#f8f9fa;color:#333}.users-table-container{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 6px #0000000d;border:1px solid #e1e5e9}.table-responsive{overflow-x:auto}.users-table{width:100%;border-collapse:collapse}.users-table th{background:#f8f9fa;padding:1rem;text-align:left;font-weight:600;color:#333;border-bottom:2px solid #e1e5e9;white-space:nowrap}.users-table td{padding:1rem;border-bottom:1px solid #e1e5e9;vertical-align:middle}.users-table tbody tr:hover{background:#f8f9fa}.users-table tbody tr:last-child td{border-bottom:none}.user-id{font-family:Courier New,monospace;font-weight:600;color:#666}.user-name .name{font-weight:600;color:#333}.user-email{color:#666}.user-created{color:#666;white-space:nowrap}.action-buttons{display:flex;gap:.5rem}.btn-sm{padding:.375rem .75rem;font-size:.875rem}.badge{display:inline-block;padding:.35rem .75rem;font-size:.75rem;font-weight:600;border-radius:20px;text-transform:capitalize}.alert{padding:1rem 1.5rem;border-radius:8px;margin-bottom:1.5rem;display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}.alert-error{background:#f8d7da;border:1px solid #f5c6cb;color:#721c24}.alert-success{background:#d4edda;border:1px solid #c3e6cb;color:#155724}.alert-close{background:none;border:none;font-size:1.25rem;cursor:pointer;color:inherit;opacity:.7;padding:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center}.btn{padding:.75rem 1.5rem;border:none;border-radius:8px;cursor:pointer;font-size:1rem;font-weight:500;transition:all .2s ease;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;white-space:nowrap}.btn-primary{background:#667eea;color:#fff}.btn-primary:hover:not(:disabled){background:#5a6fd8;transform:translateY(-1px)}.btn-secondary{background:#6c757d;color:#fff}.btn-secondary:hover:not(:disabled){background:#5a6268}.btn-danger{background:#dc3545;color:#fff}.btn-danger:hover:not(:disabled){background:#c82333}.form-control{width:100%;padding:.75rem 1rem;border:2px solid #e1e5e9;border-radius:8px;font-size:1rem;transition:all .2s ease;background:#fff}@media (max-width: 768px){.user-management-container{padding:1rem 0}.page-header{flex-direction:column;align-items:stretch;gap:1rem}.page-header h1{font-size:2rem}.search-section{padding:1.25rem}.search-box{max-width:100%}.users-table{min-width:700px}.action-buttons{flex-direction:column;gap:.25rem}.btn-sm{padding:.5rem .75rem;font-size:.8rem}}@media (max-width: 480px){.page-header h1{font-size:1.75rem}.search-section{padding:1rem}.alert{padding:.875rem 1rem;flex-direction:column;align-items:stretch;gap:.5rem}.alert-close{align-self:flex-end}}@media (max-width: 768px){.users-table-container{overflow-x:auto;-webkit-overflow-scrolling:touch}.users-table{min-width:500px}.users-table th:nth-child(1),.users-table td:nth-child(1),.users-table th:nth-child(5),.users-table td:nth-child(5){display:none}.user-name .name{font-size:.9rem}.user-email{font-size:.8rem}.action-buttons{flex-direction:column;gap:.25rem;min-width:80px}.btn-sm{padding:.4rem .6rem;font-size:.75rem;min-width:60px}}@media (max-width: 480px){.users-table{min-width:400px}.users-table th,.users-table td{padding:.5rem .25rem;font-size:.8rem}.badge{font-size:.7rem;padding:.25rem .5rem}}.App{min-height:100vh;display:flex;flex-direction:column}.main-with-header{flex:1;padding-top:0;margin-left:12px;margin-right:12px}.main-full{flex:1;display:flex;flex-direction:column}.btn{padding:.75rem 1.5rem;border:none;border-radius:8px;cursor:pointer;font-size:1rem;font-weight:500;transition:all .2s ease;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;white-space:nowrap;font-family:inherit}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:#667eea;color:#fff;border:2px solid #667eea}.btn-primary:hover:not(:disabled){background:#5a6fd8;border-color:#5a6fd8;transform:translateY(-1px);box-shadow:0 4px 8px #667eea4d}.btn-secondary{background:#6c757d;color:#fff;border:2px solid #6c757d}.btn-secondary:hover:not(:disabled){background:#5a6268;border-color:#5a6268;transform:translateY(-1px)}.btn-danger{background:#dc3545;color:#fff;border:2px solid #dc3545}.btn-danger:hover:not(:disabled){background:#c82333;border-color:#c82333;transform:translateY(-1px)}.btn-success{background:#28a745;color:#fff;border:2px solid #28a745}.btn-success:hover:not(:disabled){background:#218838;border-color:#218838;transform:translateY(-1px)}.form-control{width:100%;padding:.75rem 1rem;border:2px solid #e1e5e9;border-radius:8px;font-size:1rem;transition:all .2s ease;background:#fff;font-family:inherit}.form-control:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.form-control:disabled{background:#f8f9fa;cursor:not-allowed;opacity:.7}.alert{padding:1rem 1.5rem;border-radius:8px;margin-bottom:1.5rem;display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;border:1px solid transparent}.alert-error{background:#f8d7da;border-color:#f5c6cb;color:#721c24}.alert-success{background:#d4edda;border-color:#c3e6cb;color:#155724}.alert-warning{background:#fff3cd;border-color:#ffeaa7;color:#856404}.alert-info{background:#d1ecf1;border-color:#bee5eb;color:#0c5460}.alert-close{background:none;border:none;font-size:1.25rem;cursor:pointer;color:inherit;opacity:.7;padding:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.alert-close:hover{opacity:1}.badge{display:inline-block;padding:.35rem .75rem;font-size:.75rem;font-weight:600;border-radius:20px;text-transform:capitalize;line-height:1}.badge-success{background:#d4edda;color:#155724}.badge-warning{background:#fff3cd;color:#856404}.badge-secondary{background:#e2e3e5;color:#383d41}.badge-danger{background:#f8d7da;color:#721c24}.badge-info{background:#d1ecf1;color:#0c5460}.badge-admin{background:#667eea;color:#fff}.badge-user{background:#28a745;color:#fff}.loading-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 2rem;text-align:center}.spinner-large{width:40px;height:40px;border:4px solid #f3f3f3;border-top:4px solid #667eea;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:1rem}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:3rem 2rem}.empty-icon{font-size:4rem;margin-bottom:1rem;opacity:.5}.empty-state h3{font-size:1.5rem;color:#333;margin-bottom:.5rem;font-weight:600}.empty-state p{color:#666;margin-bottom:2rem;font-size:1rem}@media (max-width: 768px){.btn{padding:.675rem 1.25rem;font-size:.9rem}.alert{padding:.875rem 1.25rem;flex-direction:column;align-items:stretch;gap:.5rem}.alert-close{align-self:flex-end}.empty-state{padding:2rem 1rem}.empty-icon{font-size:3rem}}@media (max-width: 480px){.btn{padding:.6rem 1rem;font-size:.875rem}.form-control{padding:.675rem .875rem;font-size:.9rem}.empty-state h3{font-size:1.25rem}.empty-state p{font-size:.9rem}}