:root{--primary:#1a237e;--primary-light:#283593;--primary-dark:#0d1450;--accent:#3f51b5;--accent-light:#5c6bc0;--accent-hover:#3949ab;--success:#2e7d32;--success-light:#e8f5e9;--error:#c62828;--error-light:#ffebee;--warning:#f57f17;--warning-light:#fff8e1;--info:#1565c0;--info-light:#e3f2fd;--text-primary:#212121;--text-secondary:#616161;--text-light:#9e9e9e;--border:#e0e0e0;--bg:#f5f5f5;--bg-white:#ffffff;--shadow:0 1px 3px rgba(0,0,0,0.12),0 1px 2px rgba(0,0,0,0.06);--shadow-md:0 4px 6px rgba(0,0,0,0.1),0 2px 4px rgba(0,0,0,0.06);--shadow-lg:0 10px 15px rgba(0,0,0,0.1),0 4px 6px rgba(0,0,0,0.05);--radius:8px;--radius-sm:4px;--sidebar-width:260px;--header-height:64px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-size:14px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text-primary);background:var(--bg);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;font-size:.875rem;font-weight:500;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:background .2s,opacity .2s;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-secondary{background:var(--border);color:var(--text-primary)}.btn-secondary:hover:not(:disabled){background:#bdbdbd}.btn-success{background:var(--success);color:#fff}.btn-success:hover:not(:disabled){background:#1b5e20}.btn-danger{background:var(--error);color:#fff}.btn-danger:hover:not(:disabled){background:#b71c1c}.btn-warning{background:var(--warning);color:#fff}.btn-sm{padding:4px 10px;font-size:.8rem}.btn-lg{padding:12px 24px;font-size:1rem}.card{background:var(--bg-white);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.card-title{font-size:1.1rem;font-weight:600;color:var(--text-primary)}.form-group{margin-bottom:16px}.form-label{display:block;font-size:.85rem;font-weight:500;color:var(--text-secondary);margin-bottom:4px}.form-input,.form-select,.form-textarea{width:100%;padding:8px 12px;font-size:.9rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-white);color:var(--text-primary);transition:border-color .2s}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(63,81,181,.15)}.form-input::placeholder{color:var(--text-light)}.form-textarea{resize:vertical;min-height:80px}.form-row{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px}.form-error{color:var(--error);font-size:.8rem;margin-top:4px}.form-checkbox{display:flex;align-items:center;gap:8px;cursor:pointer}.form-checkbox input[type=checkbox]{width:16px;height:16px;accent-color:var(--accent)}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse}table th{text-align:left;padding:10px 12px;font-size:.8rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;background:var(--bg);border-bottom:2px solid var(--border)}table td{padding:10px 12px;font-size:.9rem;border-bottom:1px solid var(--border)}table tbody tr:nth-child(2n){background:#fafafa}table tbody tr:hover{background:#f0f0f0}.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-width);background:var(--primary);color:#fff;display:flex;flex-direction:column;z-index:100;overflow-y:auto}.sidebar-logo{padding:20px 24px;font-size:1.3rem;font-weight:700;letter-spacing:.5px;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-logo span{color:var(--accent-light)}.sidebar-nav{flex:1 1;padding:12px 0}.sidebar-item{display:flex;align-items:center;gap:12px;padding:10px 24px;color:rgba(255,255,255,.7);font-size:.9rem;font-weight:400;cursor:pointer;transition:background .15s,color .15s;border:none;background:none;width:100%;text-align:left;text-decoration:none}.sidebar-item:hover{background:rgba(255,255,255,.08);color:#fff;text-decoration:none}.sidebar-item.active{background:rgba(255,255,255,.12);color:#fff;font-weight:500;border-right:3px solid var(--accent-light)}.sidebar-icon{display:flex;align-items:center;justify-content:center;width:20px;height:20px;font-size:.85rem;opacity:.8}.sidebar-section{padding:8px 24px 4px;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:rgba(255,255,255,.35);margin-top:8px}.header{position:fixed;top:0;left:var(--sidebar-width);right:0;height:var(--header-height);background:var(--bg-white);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;z-index:90}.header-title{font-size:1.2rem;font-weight:600;color:var(--text-primary)}.header-user{display:flex;align-items:center;gap:16px}.header-user-info{text-align:right}.header-user-name{font-size:.9rem;font-weight:500}.header-user-email{font-size:.75rem;color:var(--text-light)}.main-content{margin-left:var(--sidebar-width);margin-top:var(--header-height);padding:24px;min-height:calc(100vh - var(--header-height))}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:16px;gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-white);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;display:flex;flex-direction:column;gap:4px}.stat-card .stat-value{font-size:2rem;font-weight:700;color:var(--primary)}.stat-card .stat-label{font-size:.85rem;color:var(--text-secondary)}.stat-card .stat-sub{font-size:.8rem;color:var(--text-light)}.badge{display:inline-block;padding:2px 8px;font-size:.75rem;font-weight:500;border-radius:12px}.badge-success{background:var(--success-light);color:var(--success)}.badge-error{background:var(--error-light);color:var(--error)}.badge-warning{background:var(--warning-light);color:var(--warning)}.badge-info{background:var(--info-light);color:var(--info)}.badge-neutral{background:#f5f5f5;color:var(--text-secondary)}.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .15s ease}.modal-content{background:var(--bg-white);border-radius:var(--radius);box-shadow:var(--shadow-lg);width:90%;max-width:560px;max-height:85vh;overflow-y:auto;animation:slideUp .2s ease}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--border)}.modal-title{font-size:1.1rem;font-weight:600}.modal-close{background:none;border:none;font-size:1.3rem;cursor:pointer;color:var(--text-light);padding:4px;line-height:1}.modal-close:hover{color:var(--text-primary)}.modal-body{padding:24px}.modal-footer{display:flex;gap:8px;justify-content:flex-end;padding:16px 24px;border-top:1px solid var(--border)}.spinner{display:inline-block;width:24px;height:24px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}.spinner-lg{width:40px;height:40px;border-width:4px}.loading-container{display:flex;align-items:center;justify-content:center;padding:48px;flex-direction:column;gap:12px;color:var(--text-secondary)}.toast-container{position:fixed;top:16px;right:16px;z-index:2000;display:flex;flex-direction:column;gap:8px}.toast{padding:12px 20px;border-radius:var(--radius-sm);box-shadow:var(--shadow-md);font-size:.9rem;font-weight:500;animation:slideIn .25s ease;min-width:280px;max-width:420px}.toast-success{background:var(--success);color:#fff}.toast-error{background:var(--error);color:#fff}.toast-info{background:var(--info);color:#fff}.tabs{display:flex;gap:0;border-bottom:2px solid var(--border);margin-bottom:20px}.tab{padding:10px 20px;font-size:.9rem;font-weight:500;color:var(--text-secondary);background:none;border:none;border-bottom:2px solid transparent;margin-bottom:-2px;cursor:pointer;transition:color .15s,border-color .15s}.tab:hover{color:var(--text-primary)}.tab.active{color:var(--accent);border-bottom-color:var(--accent)}.pagination{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:20px;padding:12px 0}.pagination-info{font-size:.85rem;color:var(--text-secondary)}.filters{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:16px;align-items:flex-end}.filters .form-group{margin-bottom:0}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary-dark) 0,var(--primary) 50%,var(--accent) 100%)}.login-card{background:var(--bg-white);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:40px;width:100%;max-width:420px}.login-title{font-size:1.5rem;font-weight:700;color:var(--primary);text-align:center;margin-bottom:4px}.login-subtitle{font-size:.9rem;color:var(--text-light);text-align:center;margin-bottom:32px}.login-error{background:var(--error-light);color:var(--error);padding:10px 14px;border-radius:var(--radius-sm);font-size:.85rem;margin-bottom:16px}.page-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.chip-list{display:flex;flex-wrap:wrap;gap:6px}.chip{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;font-size:.8rem;border-radius:12px;background:var(--info-light);color:var(--info)}.chip-remove{background:none;border:none;cursor:pointer;font-size:.9rem;color:inherit;padding:0;line-height:1;opacity:.7}.chip-remove:hover{opacity:1}.empty-state{text-align:center;padding:48px 24px;color:var(--text-light)}.empty-state-icon{font-size:2.5rem;margin-bottom:8px;opacity:.4}.actions-cell{display:flex;gap:6px}@keyframes spin{to{transform:rotate(1turn)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes slideIn{0%{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}@media (max-width:768px){:root{--sidebar-width:0px}.sidebar{transform:translateX(-100%);transition:transform .3s ease}.sidebar.open{transform:translateX(0);width:260px}.header{left:0}.main-content{margin-left:0}.form-row{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}.modal-content{width:95%}}