*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--secondary-color: #64748b;--success-color: #10b981;--danger-color: #ef4444;--warning-color: #f59e0b;--bg-color: #f8fafc;--card-bg: #ffffff;--text-color: #1e293b;--text-secondary: #64748b;--border-color: #e2e8f0;--shadow: 0 1px 3px rgba(0, 0, 0, .1);--shadow-lg: 0 4px 6px rgba(0, 0, 0, .1)}[data-theme=dark]{--primary-color: #60a5fa;--primary-hover: #3b82f6;--secondary-color: #94a3b8;--success-color: #34d399;--danger-color: #f87171;--warning-color: #fbbf24;--bg-color: #0f172a;--card-bg: #1e293b;--text-color: #e2e8f0;--text-secondary: #94a3b8;--border-color: #334155;--shadow: 0 1px 3px rgba(0, 0, 0, .3);--shadow-lg: 0 4px 6px rgba(0, 0, 0, .4)}[data-theme=purple]{--primary-color: #c084fc;--primary-hover: #a855f7;--secondary-color: #94a3b8;--success-color: #34d399;--danger-color: #f87171;--warning-color: #fbbf24;--bg-color: #1a0f2e;--card-bg: #2d1b4e;--text-color: #e9d5ff;--text-secondary: #c4b5fd;--border-color: #4c1d95;--shadow: 0 1px 3px rgba(192, 132, 252, .2);--shadow-lg: 0 4px 6px rgba(192, 132, 252, .3)}[data-theme=green]{--primary-color: #34d399;--primary-hover: #10b981;--secondary-color: #94a3b8;--success-color: #22c55e;--danger-color: #f87171;--warning-color: #fbbf24;--bg-color: #0a1f1a;--card-bg: #1a3a2e;--text-color: #d1fae5;--text-secondary: #6ee7b7;--border-color: #065f46;--shadow: 0 1px 3px rgba(52, 211, 153, .2);--shadow-lg: 0 4px 6px rgba(52, 211, 153, .3)}[data-theme=blue]{--primary-color: #38bdf8;--primary-hover: #0ea5e9;--secondary-color: #94a3b8;--success-color: #34d399;--danger-color: #f87171;--warning-color: #fbbf24;--bg-color: #0c1e2e;--card-bg: #1e3a4e;--text-color: #bae6fd;--text-secondary: #7dd3fc;--border-color: #075985;--shadow: 0 1px 3px rgba(56, 189, 248, .2);--shadow-lg: 0 4px 6px rgba(56, 189, 248, .3)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-color);line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 20px}.screen{min-height:100vh}#mainScreen{opacity:1;transition:opacity .3s ease}#mainScreen.hidden,.hidden{display:none!important}login-screen{display:flex;align-items:center;justify-content:center;position:fixed;top:0;left:0;width:100%;height:100%;background:var(--bg-color);z-index:9999}login-screen.hidden{display:none!important}#loginScreen{display:flex;align-items:center;justify-content:center}.login-card{width:100%;max-width:400px}.login-card h1{text-align:center;margin-bottom:30px;color:var(--primary-color)}.card{background:var(--card-bg);border-radius:8px;padding:30px;box-shadow:var(--shadow)}.header{background:var(--card-bg);border-bottom:1px solid var(--border-color);padding:20px 0;margin-bottom:20px}.header .container{display:flex;justify-content:space-between;align-items:center}.header h1{font-size:24px;color:var(--primary-color)}.header-right{display:flex;align-items:center;gap:15px}#userInfo{color:var(--text-secondary);font-size:14px}.theme-selector{padding:8px 12px;border:1px solid var(--border-color);border-radius:6px;background:var(--card-bg);color:var(--text-color);font-size:14px;cursor:pointer;transition:all .2s}.theme-selector:hover{border-color:var(--primary-color)}.theme-selector:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}[data-theme=dark] .theme-selector:focus{box-shadow:0 0 0 3px #60a5fa33}[data-theme=purple] .theme-selector:focus{box-shadow:0 0 0 3px #9333ea33}[data-theme=green] .theme-selector:focus{box-shadow:0 0 0 3px #05966933}[data-theme=blue] .theme-selector:focus{box-shadow:0 0 0 3px #0284c733}.nav{background:var(--card-bg);border-bottom:1px solid var(--border-color);margin-bottom:30px}.nav .container{display:flex;gap:5px}.nav-btn{padding:15px 25px;background:none;border:none;border-bottom:3px solid transparent;cursor:pointer;font-size:14px;font-weight:500;color:var(--text-secondary);transition:all .3s}.nav-btn:hover{color:var(--primary-color);background:var(--bg-color)}.nav-btn.active{color:var(--primary-color);border-bottom-color:var(--primary-color)}.btn{padding:10px 20px;border:none;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;transition:all .3s}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--secondary-color);color:#fff}.btn-secondary:hover{background:#475569}.btn-success{background:var(--success-color);color:#fff}.btn-danger{background:var(--danger-color);color:#fff}.btn-sm{padding:5px 12px;font-size:12px}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:5px;font-weight:500;color:var(--text-color);font-size:14px}.form-group input,.form-group select{width:100%;padding:10px 12px;border:1px solid var(--border-color);border-radius:6px;font-size:14px;transition:border-color .3s,box-shadow .3s;background:var(--card-bg);color:var(--text-color)}.datetime-picker{padding:10px 16px!important;min-height:44px;box-sizing:border-box}.form-group input[type=datetime-local],.form-group input[type=date],.form-group input[type=time]{color-scheme:light;padding-right:12px}[data-theme=dark] .form-group input[type=datetime-local],[data-theme=dark] .form-group input[type=date],[data-theme=dark] .form-group input[type=time],[data-theme=purple] .form-group input[type=datetime-local],[data-theme=purple] .form-group input[type=date],[data-theme=purple] .form-group input[type=time],[data-theme=green] .form-group input[type=datetime-local],[data-theme=green] .form-group input[type=date],[data-theme=green] .form-group input[type=time],[data-theme=blue] .form-group input[type=datetime-local],[data-theme=blue] .form-group input[type=date],[data-theme=blue] .form-group input[type=time]{color-scheme:dark}.form-group input[type=datetime-local]::-webkit-calendar-picker-indicator,.form-group input[type=date]::-webkit-calendar-picker-indicator,.form-group input[type=time]::-webkit-calendar-picker-indicator{filter:invert(.2)}[data-theme=dark] .form-group input[type=datetime-local]::-webkit-calendar-picker-indicator,[data-theme=dark] .form-group input[type=date]::-webkit-calendar-picker-indicator,[data-theme=dark] .form-group input[type=time]::-webkit-calendar-picker-indicator,[data-theme=purple] .form-group input[type=datetime-local]::-webkit-calendar-picker-indicator,[data-theme=purple] .form-group input[type=date]::-webkit-calendar-picker-indicator,[data-theme=purple] .form-group input[type=time]::-webkit-calendar-picker-indicator,[data-theme=green] .form-group input[type=datetime-local]::-webkit-calendar-picker-indicator,[data-theme=green] .form-group input[type=date]::-webkit-calendar-picker-indicator,[data-theme=green] .form-group input[type=time]::-webkit-calendar-picker-indicator,[data-theme=blue] .form-group input[type=datetime-local]::-webkit-calendar-picker-indicator,[data-theme=blue] .form-group input[type=date]::-webkit-calendar-picker-indicator,[data-theme=blue] .form-group input[type=time]::-webkit-calendar-picker-indicator{filter:invert(1)}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}[data-theme=dark] .form-group input:focus,[data-theme=dark] .form-group select:focus{box-shadow:0 0 0 3px #60a5fa33}[data-theme=purple] .form-group input:focus,[data-theme=purple] .form-group select:focus{box-shadow:0 0 0 3px #c084fc33}[data-theme=green] .form-group input:focus,[data-theme=green] .form-group select:focus{box-shadow:0 0 0 3px #34d39933}[data-theme=blue] .form-group input:focus,[data-theme=blue] .form-group select:focus{box-shadow:0 0 0 3px #0284c733}.form-group select option{background:var(--card-bg);color:var(--text-color)}.form-group select option:checked,.form-group select option:hover{background:var(--primary-color);color:var(--card-bg)}.theme-selector option{background:var(--card-bg);color:var(--text-color)}.theme-selector option:checked,.theme-selector option:hover{background:var(--primary-color);color:var(--card-bg)}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--primary-color)}.tab-content{display:block}devices-tab,tasks-tab,logs-tab,users-tab,activity-tab{display:none}devices-tab.active,tasks-tab.active,logs-tab.active,users-tab.active,activity-tab.active{display:block}.tab-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.tab-header h2{font-size:20px}.data-grid{background:var(--card-bg);border-radius:8px;overflow:hidden;box-shadow:var(--shadow)}.data-item{padding:20px;border-bottom:1px solid var(--border-color);display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}.data-item:last-child{border-bottom:none}.data-item:hover{background:var(--bg-color)}.data-info h3{font-size:16px;margin-bottom:5px}.data-info p{font-size:14px;color:var(--text-secondary)}.data-actions{display:flex;gap:10px}.badge{display:inline-block;padding:4px 10px;border-radius:12px;font-size:12px;font-weight:500}.badge-success{background:#d1fae5;color:#065f46}.badge-danger{background:#fee2e2;color:#991b1b}.badge-warning{background:#fef3c7;color:#92400e}.badge-info{background:#dbeafe;color:#1e40af}.modal{display:none;position:fixed;z-index:1000;left:0;top:0;width:100%;height:100%;background-color:#00000080;animation:fadeIn .3s}.modal.show{display:flex;align-items:center;justify-content:center}.modal-content{background-color:var(--card-bg);padding:30px;border-radius:8px;width:90%;max-width:500px;position:relative;animation:slideIn .3s}.close{position:absolute;right:20px;top:20px;font-size:28px;font-weight:700;color:var(--text-secondary);cursor:pointer}.close:hover{color:var(--text-color)}.modal-content h2{margin-bottom:25px}.modal-buttons{display:flex;gap:10px;justify-content:flex-end;margin-top:25px}.filters{background:var(--card-bg);padding:20px;border-radius:8px;margin-bottom:20px;display:flex;flex-wrap:wrap;gap:15px;align-items:flex-start}.filters .form-group{flex:1;min-width:200px}.filters .btn{margin-top:26px;height:42px}.error-message{color:var(--danger-color);font-size:14px;margin-top:10px;display:none}.error-message.show{display:block}.warning-message{color:var(--warning-color);font-size:14px;margin-top:10px;display:none;background:#fef3c7;padding:10px;border-radius:6px;border-left:3px solid var(--warning-color)}.warning-message.show{display:block}.success-message{background:#d1fae5;color:#065f46;padding:15px;border-radius:6px;margin-bottom:20px;display:none}.success-message.show{display:block}.loading{text-align:center;padding:40px;color:var(--text-secondary)}.empty-state{text-align:center;padding:60px 20px;color:var(--text-secondary)}.empty-state svg{width:64px;height:64px;margin-bottom:15px;opacity:.5}.admin-only.hidden{display:none!important}.choices.theme-aware{margin-bottom:0}.choices.theme-aware .choices__inner{background-color:var(--card-bg);border:1px solid var(--border-color);color:var(--text-color);border-radius:6px;padding:10px 16px;min-height:44px;font-size:14px;transition:border-color .2s,box-shadow .2s}.theme-selector+.choices.theme-aware .choices__inner,.header .choices.theme-aware .choices__inner{padding:12px 40px 12px 16px;min-height:46px;min-width:160px}.choices.theme-aware .choices__inner:hover{border-color:var(--primary-color)}.choices.theme-aware.is-focused .choices__inner,.choices.theme-aware.is-open .choices__inner{border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}[data-theme=dark] .choices.theme-aware.is-focused .choices__inner,[data-theme=dark] .choices.theme-aware.is-open .choices__inner{box-shadow:0 0 0 3px #60a5fa33}.choices.theme-aware .choices__list--single{padding:0}.choices.theme-aware .choices__item{color:var(--text-color)}.choices.theme-aware .choices__list--dropdown{background-color:var(--card-bg);border:1px solid var(--border-color);box-shadow:var(--shadow-lg);border-radius:6px;margin-top:4px;z-index:100}.choices.theme-aware .choices__list--dropdown{scrollbar-width:thin;scrollbar-color:var(--border-color) var(--card-bg)}.choices.theme-aware .choices__list--dropdown::-webkit-scrollbar{width:8px}.choices.theme-aware .choices__list--dropdown::-webkit-scrollbar-track{background:var(--card-bg);border-radius:4px}.choices.theme-aware .choices__list--dropdown::-webkit-scrollbar-thumb{background-color:var(--border-color);border-radius:4px;transition:background-color .2s}.choices.theme-aware .choices__list--dropdown::-webkit-scrollbar-thumb:hover{background-color:var(--text-secondary)}.choices.theme-aware .choices__list--dropdown .choices__item--selectable{color:var(--text-color);padding:12px 16px;min-height:44px;display:flex;align-items:center}.header .choices.theme-aware .choices__list--dropdown .choices__item--selectable{padding:14px 20px}.choices.theme-aware .choices__list--dropdown .choices__item--selectable.is-highlighted{background-color:var(--primary-color);color:#fff}.choices.theme-aware .choices__item--selectable{transition:background-color .2s}[data-theme=purple] .choices.theme-aware.is-focused .choices__inner,[data-theme=purple] .choices.theme-aware.is-open .choices__inner{box-shadow:0 0 0 3px #c084fc33}[data-theme=green] .choices.theme-aware.is-focused .choices__inner,[data-theme=green] .choices.theme-aware.is-open .choices__inner{box-shadow:0 0 0 3px #34d39933}[data-theme=blue] .choices.theme-aware.is-focused .choices__inner,[data-theme=blue] .choices.theme-aware.is-open .choices__inner{box-shadow:0 0 0 3px #3b82f633}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{transform:translateY(-50px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite;vertical-align:middle;margin-right:8px}.skeleton{background:linear-gradient(90deg,var(--bg-color) 25%,var(--border-color) 50%,var(--bg-color) 75%);background-size:200% 100%;animation:skeleton-loading 1.5s ease-in-out infinite;border-radius:4px}.skeleton-item{padding:20px;border-bottom:1px solid var(--border-color)}.skeleton-title{height:20px;width:60%;margin-bottom:10px}.skeleton-text{height:14px;width:100%;margin-bottom:8px}.skeleton-text:last-child{width:80%}@keyframes skeleton-loading{0%{background-position:200% 0}to{background-position:-200% 0}}.mobile-menu-btn{display:none;position:fixed;top:15px;right:15px;z-index:1100;background:var(--primary-color);border:none;border-radius:8px;width:50px;height:50px;flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:12px;cursor:pointer;box-shadow:var(--shadow-lg);transition:all .3s}.mobile-menu-btn span{display:block;width:26px;height:3px;background:#fff;border-radius:2px;transition:all .3s}.mobile-menu-btn:hover{background:var(--primary-hover);transform:scale(1.05)}.mobile-menu-btn.active span:nth-child(1){transform:rotate(45deg) translate(8px,8px)}.mobile-menu-btn.active span:nth-child(2){opacity:0}.mobile-menu-btn.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-7px)}.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:#000000b3;z-index:1050;opacity:0;transition:opacity .3s}.mobile-menu-overlay.active{display:block;opacity:1}.mobile-menu-content{position:absolute;top:0;right:-300px;width:300px;height:100%;background:var(--card-bg);box-shadow:-2px 0 10px #0003;transition:right .3s;display:flex;flex-direction:column;overflow-y:auto}.mobile-menu-overlay.active .mobile-menu-content{right:0}.mobile-menu-header{padding:20px;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}.mobile-menu-header h2{font-size:18px;color:var(--primary-color);margin:0}.close-mobile-menu{background:none;border:none;font-size:32px;color:var(--text-secondary);cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;line-height:1}.close-mobile-menu:hover{color:var(--text-color)}.mobile-menu-user{padding:15px 20px;background:var(--bg-color);border-bottom:1px solid var(--border-color);font-size:14px;color:var(--text-secondary)}.mobile-menu-nav{flex:1;padding:10px 0}.mobile-nav-btn{width:100%;padding:15px 20px;background:none;border:none;border-left:3px solid transparent;text-align:left;font-size:15px;color:var(--text-color);cursor:pointer;transition:all .2s}.mobile-nav-btn:hover{background:var(--bg-color)}.mobile-nav-btn.active{background:var(--bg-color);border-left-color:var(--primary-color);color:var(--primary-color);font-weight:600}.mobile-menu-theme{padding:15px 20px;border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}.mobile-menu-theme label{display:block;margin-bottom:8px;font-size:13px;color:var(--text-secondary);font-weight:500}.mobile-theme-selector{width:100%;padding:10px;border:1px solid var(--border-color);border-radius:6px;background:var(--card-bg);color:var(--text-color);font-size:14px}.mobile-logout-btn{margin:15px 20px;padding:12px;background:var(--danger-color);color:#fff;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.mobile-logout-btn:hover{opacity:.9;transform:translateY(-1px)}@media (max-width: 768px){.mobile-menu-btn{display:flex}.header,.nav{display:none}nav-tabs{display:none}.tab-header{display:none}.header .container{flex-direction:column;gap:15px}.nav .container{flex-wrap:wrap}.nav-btn{flex:1;min-width:120px}.data-item,.filters{grid-template-columns:1fr}.modal-content{width:95%}}