:root{--primary-color:#4a6fa5;--primary-dark:#2a4a7f;--primary-light:#3a5a8f;--success-color:#28a745;--danger-color:#dc3545;--warning-color:#ffc107;--info-color:#17a2b8;--light-gray:#f5f5f5;--dark-gray:#333;--bg-color:#000;--text-color:white;--card-bg:white;--card-text:#333}[data-theme=light]{--bg-color:#ffffff;--text-color:#333;--card-bg:#f8f9fa;--card-text:#333}[data-theme=dark]{--bg-color:#000;--text-color:white;--card-bg:#2d2d2d;--card-text:white}*{margin:0;padding:0;box-sizing:border-box;font-family:"Segoe UI",Tahoma,Geneva,Verdana,sans-serif}body{font-family:"Segoe UI",Tahoma,Geneva,Verdana,sans-serif;margin:0;padding:20px;background-color:var(--bg-color);color:var(--text-color);transition:background-color .3s ease,color .3s ease}.container{max-width:1400px;margin:0 auto;background:var(--card-bg);color:var(--card-text);padding:20px;box-shadow:0 0 10px rgba(0,0,0,.1);border-radius:20px;transition:background-color .3s ease,color .3s ease}.header-logo{text-align:center;margin-bottom:25px}.header-logo img{max-height:100px;max-width:100%}.navigation-header{position:fixed;top:0;left:0;right:0;color:#333;display:flex;justify-content:space-between;align-items:center;z-index:1000;-webkit-print-color-adjust:exact;print-color-adjust:exact;width:100%;box-sizing:border-box}.navigation-header img{height:40px}.nav-buttons{display:flex!important;gap:10px;margin-left:auto;flex-shrink:0}.nav-buttons button{padding:8px 15px;background-color:var(--primary-color);color:#fff;border:none;border-radius:4px;cursor:pointer;transition:all .2s;font-weight:600}.nav-buttons button:hover{background-color:var(--primary-dark);transform:translateY(-1px)}.nav-buttons button.logout{background-color:var(--danger-color)}.nav-buttons button.logout:hover{background-color:#c82333}.dashboard-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;margin-bottom:30px}.card{background:#fff;border-radius:8px;box-shadow:0 2px 10px rgba(0,0,0,.1);padding:20px;transition:transform .3s,box-shadow .3s}.card:hover{transform:translateY(-5px);box-shadow:0 5px 15px rgba(0,0,0,.1)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.card-title{font-size:18px;font-weight:600;color:var(--primary-dark)}.card-icon{font-size:24px;color:var(--primary-color)}.card-value{font-size:28px;font-weight:700;margin-bottom:10px;color:var(--dark-gray)}.card-description{font-size:14px;color:#666}.tabs{display:flex;border-bottom:1px solid #ddd;margin-bottom:20px}.tab{padding:10px 20px;cursor:pointer;border-bottom:3px solid transparent;transition:all .3s;font-weight:600;color:#666}.tab.active{color:var(--primary-color);border-bottom-color:var(--primary-color)}.logout{background-color:red}.tab:hover:not(.active){color:var(--primary-dark);border-bottom-color:#ddd}.tab-content{display:none}.tab-content.active{display:block}table{width:100%;border-collapse:collapse;margin-top:20px}td,th{padding:12px 15px;text-align:left;border-bottom:1px solid #ddd}th{background-color:var(--primary-color);color:#fff;font-weight:600}tr:hover{background-color:#f5f5f5}.status-badge{padding:5px 10px;border-radius:20px;font-size:12px;font-weight:600;text-transform:capitalize}.status-active{background-color:#e6f7ee;color:var(--success-color)}.status-inactive{background-color:#fde8e8;color:var(--danger-color)}.status-admin{background-color:#e6f0ff;color:var(--primary-color)}.status-user{background-color:#fff8e6;color:var(--warning-color)}.status-viewer{background-color:#e6f9f8;color:var(--info-color)}button{padding:8px 15px;background-color:var(--primary-color);color:#fff;border:none;border-radius:4px;cursor:pointer;font-weight:600;transition:all .2s;display:flex;align-items:center;gap:5px}button:hover{transform:translateY(-1px)}button.btn-danger{background-color:var(--danger-color)}button.btn-danger:hover{background-color:#c82333}button.btn-success{background-color:var(--success-color)}button.btn-success:hover{background-color:#218838}button.btn-warning{background-color:var(--warning-color);color:#212529}button.btn-warning:hover{background-color:#e0a800}.form-group{margin-bottom:20px}label{display:block;margin-bottom:8px;font-weight:600}input[type=email],input[type=password],input[type=text],select{width:100%;padding:10px;border:1px solid #ddd;border-radius:4px;font-size:16px}input:focus,select:focus{outline:0;border-color:var(--primary-color);box-shadow:0 0 0 2px rgba(74,111,165,.2)}.modal{display:none;position:fixed;z-index:100;left:0;top:0;width:100%;height:100%;background-color:rgba(0,0,0,.4)}.modal-content{background-color:#fefefe;margin:10% auto;padding:25px;border:1px solid #888;width:80%;max-width:500px;border-radius:8px;box-shadow:0 4px 8px rgba(0,0,0,.2);position:relative}.close{color:#aaa;position:absolute;right:20px;top:15px;font-size:28px;font-weight:700;cursor:pointer}.close:hover{color:#000}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.toast{position:fixed;top:20px;right:20px;padding:12px 20px;background-color:var(--primary-color);color:#fff;border-radius:4px;box-shadow:0 4px 8px rgba(0,0,0,.2);z-index:1000;animation:slideIn .3s,fadeOut .5s 2.5s;animation-fill-mode:forwards}.toast-success{background-color:var(--success-color)}.toast-error{background-color:var(--danger-color)}.toast-warning{background-color:var(--warning-color);color:#212529}@keyframes slideIn{from{transform:translateX(100%)}to{transform:translateX(0)}}@keyframes fadeOut{from{opacity:1}to{opacity:0}}.loader{border:2px solid #f3f3f3;border-radius:50%;border-top:2px solid var(--primary-color);width:15px;height:15px;animation:spin 1s linear infinite;display:none;margin-left:5px}@keyframes spin{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}button.loading{opacity:.7;cursor:not-allowed}.loading-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.5);display:flex;justify-content:center;align-items:center;z-index:2000;flex-direction:column}.loading-spinner{border:5px solid #f3f3f3;border-top:5px solid var(--primary-color);border-radius:50%;width:50px;height:50px;animation:spin 1s linear infinite}.loading-text{color:#fff;margin-top:15px;font-size:18px;font-weight:700}.table-responsive{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.1)}table{min-width:800px}.mobile-nav-toggle{display:none;background:0 0;border:none;color:var(--primary-color);font-size:24px;cursor:pointer;padding:8px;border-radius:4px;transition:background-color .3s,color .3s}.mobile-nav-toggle:hover{background-color:var(--primary-color);color:#fff}.mobile-nav-menu{display:none;position:fixed;top:60px;right:20px;background:#fff;border-radius:8px;box-shadow:0 8px 25px rgba(0,0,0,.15);min-width:220px;overflow:hidden;z-index:1001;animation:slideDown .3s ease-out;border:1px solid var(--primary-color)}@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.mobile-nav-menu.show{display:block}.mobile-nav-menu button{width:100%;padding:15px 20px;text-align:left;background:0 0;border:none;color:#333;font-size:16px;font-weight:500;border-bottom:1px solid #f0f0f0;transition:all .3s;display:flex;align-items:center;gap:12px}.mobile-nav-menu button:last-child{border-bottom:none}.mobile-nav-menu button:hover{background-color:var(--primary-color);color:#fff}.mobile-nav-menu button.logout{color:#dc3545}.mobile-nav-menu button.logout:hover{background-color:#dc3545;color:#fff}.mobile-nav-menu button.leave-group{color:#fd7e14}.mobile-nav-menu button.leave-group:hover{background-color:#fd7e14;color:#fff}@media (max-width:768px){.navigation-header{background-color:#fff}body{padding:0}.dashboard-cards{grid-template-columns:1fr}.tabs{flex-wrap:wrap}.tab{flex:1;text-align:center;padding:10px}.nav-buttons{display:none!important}.mobile-nav-toggle{display:block!important}.container{padding:24px}.modal-content{width:95%;margin:5% auto}.table-responsive{margin:0 -10px;border-radius:0}table{font-size:14px}td,th{padding:8px 10px;white-space:nowrap}}