:root{--primary-blue: #1e40af;--dark-blue: #0f172a;--darker-blue: #020617;--light-blue: #3b82f6;--white: #ffffff;--gray: #64748b;--green: #10b981;--yellow: #f59e0b;--red: #ef4444;--offline-gray: #475569}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--darker-blue);color:var(--white);height:100vh;overflow:hidden}.header{background:var(--dark-blue);border-bottom:2px solid var(--primary-blue);padding:15px 30px;display:flex;justify-content:space-between;align-items:center}.back-btn{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:6px;border:none;color:var(--gray);font-size:20px;text-decoration:none;transition:color .2s;flex-shrink:0;margin-right:8px;background:transparent;line-height:1}.back-btn:hover{color:var(--white)}.logo{display:flex;align-items:center;gap:15px}.logo-icon{display:flex;align-items:center;justify-content:center}.logo-icon img{width:42px;height:42px;border-radius:6px;object-fit:cover}.logo-text h1{font-size:24px;font-weight:700;color:var(--white)}.logo-text p{font-size:12px;color:var(--gray)}.system-badge{background:var(--green);padding:6px 15px;border-radius:15px;font-size:12px;font-weight:600}.main-layout{display:flex;height:calc(100vh - 70px)}.sidebar{width:280px;background:var(--dark-blue);border-right:2px solid var(--primary-blue);overflow-y:auto;padding:20px}.sidebar-title{font-size:14px;font-weight:600;color:var(--gray);text-transform:uppercase;letter-spacing:1px;margin-bottom:20px}.vehicle-list{display:flex;flex-direction:column;gap:12px}.vehicle-item{background:var(--darker-blue);border:2px solid transparent;border-radius:10px;padding:15px;cursor:pointer;transition:all .3s;display:flex;align-items:center;gap:12px}.vehicle-item:hover{border-color:var(--light-blue)}.vehicle-item.online{border-left:4px solid var(--green)}.vehicle-item.offline{opacity:.4;border-left:4px solid var(--offline-gray)}.vehicle-item.offline:hover{border-color:var(--light-blue)}.vehicle-item.shutting-down{border-left:4px solid #f59e0b}.vehicle-item.shutting-down:hover{border-color:var(--light-blue)}.vehicle-item.selected{background:var(--primary-blue);border-color:var(--light-blue)}.vehicle-item-icon{display:flex;align-items:center;justify-content:center;width:36px;height:36px;flex-shrink:0;font-size:28px}.vehicle-item-info{flex:1}.vehicle-item-plate{font-size:16px;font-weight:700;color:var(--white)}.vehicle-item-status{font-size:11px;color:var(--gray)}.vehicle-item-indicator{font-size:12px}.vehicle-item-indicator.online{color:var(--green)}.vehicle-item-indicator.offline{color:var(--offline-gray)}.vehicle-item-indicator.shutting-down{color:#f59e0b;animation:indicator-pulse 2s ease-in-out infinite}.vehicle-countdown{font-size:10px;color:#f59e0b;margin-top:1px;font-weight:500;letter-spacing:.3px}@keyframes indicator-pulse{0%,to{opacity:1}50%{opacity:.4}}.content{position:relative;flex:1;overflow-y:auto;padding:30px}.content-title{font-size:18px;font-weight:600;color:var(--white);margin-bottom:20px}.selected-count{color:var(--gray);font-size:14px;font-weight:400}.empty-state{text-align:center;padding:0 20px;color:var(--gray);position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:100%}.empty-state-icon{font-size:80px;margin-bottom:20px;opacity:.3}.selected-panel{background:var(--dark-blue);border-radius:12px;padding:25px;margin-bottom:25px;position:relative}.panel-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.panel-title{font-size:20px;color:var(--white);font-weight:600}.close-btn{background:transparent;border:2px solid var(--gray);color:var(--gray);width:32px;height:32px;border-radius:50%;cursor:pointer;font-size:18px;transition:all .3s}.close-btn:hover{border-color:var(--white);color:var(--white)}.cameras-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.camera-box{background:#000;border:2px solid var(--primary-blue);border-radius:10px;aspect-ratio:4/3;cursor:pointer;position:relative;overflow:hidden;transition:all .3s}.camera-box:hover{border-color:var(--light-blue);transform:scale(1.02)}.camera-box.active{border-color:var(--green);border-width:3px}.camera-box.loading{border-color:var(--light-blue);animation:pulse 1.5s ease-in-out infinite;cursor:wait;pointer-events:none}.camera-box video{width:100%;height:100%;object-fit:contain}.camera-label{position:absolute;top:10px;left:10px;background:#000c;padding:5px 12px;border-radius:5px;font-size:12px;font-weight:600;z-index:10}.camera-status{position:absolute;top:10px;right:10px;background:#000c;padding:5px 10px;border-radius:5px;font-size:11px;z-index:10}.camera-status.loading{color:var(--light-blue)}.camera-status.active{color:var(--green)}.camera-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--gray);font-size:14px}.camera-placeholder-icon{font-size:40px;margin-bottom:10px;opacity:.3}.expanded-section{background:var(--dark-blue);border-radius:12px;margin-top:20px;overflow:hidden;animation:fadeIn .3s ease-in}.expanded-header{background:var(--primary-blue);padding:15px 25px;display:flex;justify-content:space-between;align-items:center}.expanded-info{font-size:16px;font-weight:600}.expanded-controls{display:flex;gap:10px;align-items:center}.close-expanded-btn,.popup-btn{background:#fff3;border:none;color:var(--white);width:36px;height:36px;border-radius:6px;cursor:pointer;font-size:18px;font-weight:600;transition:all .3s;display:flex;align-items:center;justify-content:center}.close-expanded-btn:hover,.popup-btn:hover{background:#ffffff59;transform:scale(1.05)}.close-expanded-btn:active,.popup-btn:active{transform:scale(.95)}.expanded-video-container{background:#000;position:relative;width:100%;aspect-ratio:3/2;display:flex;align-items:center;justify-content:center}.expanded-video-container video{width:100%;height:100%;object-fit:fill;display:block}.expanded-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--gray)}.expanded-placeholder-icon{font-size:80px;margin-bottom:20px;opacity:.3}.expanded-placeholder-text{font-size:18px;color:var(--gray)}.expanded-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;padding:20px}.metric-card{text-align:center;padding:15px;background:var(--darker-blue);border-radius:8px}.metric-card h4{font-size:11px;color:var(--gray);text-transform:uppercase;margin-bottom:8px;letter-spacing:1px}.metric-card .value{font-size:20px;font-weight:700;color:var(--light-blue)}.metric-card .unit{font-size:11px;color:var(--gray)}.hidden{display:none!important}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--darker-blue)}::-webkit-scrollbar-thumb{background:var(--primary-blue);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--light-blue)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes fadeIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.vehicle-item-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.voice-btn{background:transparent;border:1.5px solid var(--gray);color:var(--gray);width:32px;height:32px;border-radius:7px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;flex-shrink:0;position:relative;overflow:hidden}.voice-btn svg{width:16px;height:16px;transition:all .2s}.voice-btn:hover{border-color:var(--green);color:var(--green)}.voice-btn:hover svg{color:var(--green)}.voice-btn.active{border-color:var(--green);background:var(--green);color:#fff;box-shadow:0 0 12px #10b98173}.voice-btn.active svg{color:#fff}.voice-btn.connecting{border-color:var(--green);color:var(--green);animation:voicePulse .9s ease-in-out infinite;pointer-events:none}.voice-btn.connecting svg{color:var(--green)}@keyframes voicePulse{0%,to{box-shadow:0 0 #10b98180;border-color:var(--green)}50%{box-shadow:0 0 0 5px #10b98100;border-color:#34d399}}.mobile-menu-btn{position:fixed;top:12px;left:10px;z-index:1001;background:var(--primary-blue);border:none;color:var(--white);width:44px;height:44px;border-radius:8px;font-size:24px;cursor:pointer;transition:all .3s;display:none}.mobile-menu-btn:active{transform:scale(.95)}.sidebar-overlay{position:fixed;inset:0;background:#000000b3;z-index:999;opacity:0;transition:opacity .3s;pointer-events:none}.sidebar-overlay.active{opacity:1;pointer-events:auto}.sidebar-close-btn{display:none}@media (max-width: 768px){.header{position:sticky;top:0;z-index:3001}.sidebar-overlay{z-index:3000}.sidebar{z-index:3002}.logo-text h1{font-size:20px}.logo-text p{font-size:10px}.system-badge{font-size:10px;padding:4px 10px}.mobile-menu-btn{display:block}.main-layout{position:relative}.sidebar{position:fixed;top:0;left:-280px;height:100vh;z-index:1000;transition:left .3s ease;border-right:none;box-shadow:2px 0 10px #00000080;padding:0;display:flex;flex-direction:column}.sidebar-title{margin-top:0;padding:10px 12px;min-height:56px;display:grid;grid-template-columns:52px 1fr;align-items:center;gap:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-title:before{content:none;display:none}.sidebar-title span{overflow:hidden;text-overflow:ellipsis}.sidebar-close-btn{width:40px;height:40px;border:none;background:#ffffff0f;color:inherit;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:20px;cursor:pointer}.vehicle-list{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:12px}.sidebar.active{left:0}.content{width:100%;padding:20px}.cameras-grid,.expanded-metrics{grid-template-columns:repeat(2,1fr);gap:12px}.popup-btn{display:none}}@media (max-width: 480px){.header{position:sticky;top:0;z-index:3001;padding:10px 12px;display:grid;grid-template-columns:52px 1fr auto;align-items:center;gap:10px}.mobile-menu-btn{position:static;width:40px;height:40px;justify-self:center;align-self:center;z-index:auto}.logo{width:auto;display:flex;flex:1 1 auto;min-width:0;gap:8px;align-items:center}.logo-icon img{width:32px;height:32px}.logo-text{flex:1;min-width:0}.logo-text h1{font-size:14px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.logo-text p{display:none}.system-badge{align-self:center;margin-left:0;padding:6px 10px;font-size:12px;white-space:nowrap;flex:0 0 auto}.sidebar-overlay{z-index:3000}.sidebar{z-index:3002;padding-top:0}.sidebar-title{position:sticky;top:0;z-index:3003;margin-top:0;padding:10px 12px;min-height:56px;display:grid;grid-template-columns:44px 1fr;align-items:center;gap:6px;background:inherit;border-bottom:1px solid rgba(255,255,255,.04);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-title:before{content:none;display:none}.sidebar-title span{overflow:hidden;text-overflow:ellipsis}.sidebar-close-btn{width:40px;height:40px;border:none;border-radius:12px;background:#ffffff0f;color:inherit;display:inline-flex;align-items:center;justify-content:center;font-size:20px;cursor:pointer}.sidebar-close-btn:hover{background:#ffffff1a}body.sidebar-open .system-badge{visibility:hidden}.vehicle-list{flex:1;overflow-y:auto;padding:10px;display:flex;flex-direction:column;gap:12px}.content{padding:15px}.content-title{font-size:16px}.selected-panel{padding:15px}.panel-title{font-size:16px}.close-btn{width:40px;height:40px;font-size:20px}.cameras-grid{grid-template-columns:1fr;gap:12px}.camera-box{min-height:200px}.camera-label,.camera-status{font-size:10px;padding:4px 8px}.expanded-section{margin-top:15px}.expanded-header{padding:12px 15px}.expanded-info{font-size:14px}.close-expanded-btn{width:40px;height:40px;font-size:20px}.expanded-video-container{aspect-ratio:3/2}.expanded-metrics{grid-template-columns:repeat(2,1fr);gap:10px;padding:15px}.metric-card{padding:12px}.metric-card h4{font-size:10px}.metric-card .value{font-size:16px}.empty-state{padding:60px 15px}.empty-state-icon{font-size:60px}.empty-state h3{font-size:16px}.empty-state p{font-size:13px}}@media (max-width: 768px) and (orientation: landscape){.expanded-video-container{height:85vh;aspect-ratio:auto}.expanded-metrics{grid-template-columns:repeat(4,1fr);padding:10px}.metric-card{padding:8px}.metric-card h4{font-size:9px}.metric-card .value{font-size:14px}}.camera-skeleton{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f172a,#1e293b,#0f172a);background-size:200% 200%;animation:skeletonShimmer 2s ease-in-out infinite,pulse 1.5s ease-in-out infinite;gap:10px;z-index:1}.skeleton-icon{font-size:36px;opacity:.25}.skeleton-text{font-size:12px;color:var(--gray);letter-spacing:.5px}@keyframes skeletonShimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.camera-status.error{color:var(--red)}.camera-box .reconnect-overlay{position:absolute;bottom:8px;right:8px;background:transparent;display:flex;align-items:center;z-index:5;pointer-events:none}.reconnect-overlay .reconnect-spinner{width:14px;height:14px;border:2px solid rgba(255,255,255,.2);border-top-color:#3b82f6;border-radius:50%;animation:spin .8s linear infinite}.reconnect-overlay .reconnect-text{display:none}@keyframes spin{to{transform:rotate(360deg)}}