:root{--bg: #f2f4f8;--panel: #ffffff;--panel-muted: #f7f8fb;--border: #e4e8f0;--text: #1f2937;--text-muted: #7c8798;--brand: #fc4c02;--brand-dark: #d94100;--rail-bg: #14213d;--rail-icon: #7c8bab;--rail-icon-active: #ffffff;--status-live: #22b573;--status-idle: #f5a623;--status-offline: #b0b8c4;--status-alert: #e5484d;--font-display: "Inter", sans-serif;--font-body: "Inter", sans-serif;--font-mono: "IBM Plex Mono", monospace;--shadow-card: 0 1px 2px rgba(20, 33, 61, .06), 0 2px 8px rgba(20, 33, 61, .04)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:var(--font-body);-webkit-font-smoothing:antialiased}button,input{font-family:inherit}:focus-visible{outline:2px solid var(--brand);outline-offset:2px}.app-root{display:flex;flex-direction:column;height:100vh}.brand-banner{height:56px;flex-shrink:0;background:var(--panel);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 24px}.brand-banner-logo{height:26px;width:auto}.app-shell{display:grid;grid-template-columns:64px 1fr;flex:1;height:100vh;overflow:hidden}.icon-rail{background:var(--rail-bg);display:flex;flex-direction:column;align-items:center;padding:16px 0}.icon-rail .brand-mark-logo{width:32px;height:32px;border-radius:8px;object-fit:contain;margin-bottom:24px}.rail-btn{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--rail-icon);background:transparent;border:none;cursor:pointer;margin-bottom:6px}.rail-btn:hover{color:#fff;background:#ffffff0f}.rail-btn.active{color:var(--rail-icon-active);background:#ffffff1f}.rail-spacer{flex:1}.app-main{display:grid;grid-template-rows:60px 1fr;height:100%;overflow:hidden}.topbar{display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:var(--panel);border-bottom:1px solid var(--border)}.topbar-brand-logo{height:26px;width:auto}.topbar-status{display:flex;align-items:center;gap:14px}.pill{padding:4px 11px;border-radius:999px;background:var(--panel-muted);border:1px solid var(--border);font-size:12px;color:var(--text-muted);font-weight:500}.pill.live{color:var(--status-live);border-color:#22b5734d;background:#22b57314}.user-chip{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text);font-weight:500}.user-avatar{width:28px;height:28px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}.logout-btn{background:transparent;border:1px solid var(--border);color:var(--text-muted);padding:6px 12px;border-radius:8px;font-size:12px;cursor:pointer;font-weight:500}.logout-btn:hover{color:var(--text);border-color:var(--text-muted)}.main-layout{display:grid;grid-template-columns:320px 1fr;height:100%;overflow:hidden}.sidebar{background:var(--bg);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden}.sidebar-header{padding:16px 18px 12px;border-bottom:1px solid var(--border)}.sidebar-header h2{font-family:var(--font-display);font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);font-weight:700;margin:0 0 10px}.search-input{width:100%;background:var(--panel-muted);border:1px solid var(--border);color:var(--text);padding:9px 12px;border-radius:8px;font-size:13px}.search-input:focus{background:var(--panel)}.device-list{overflow-y:auto;flex:1}.device-row{padding:12px 14px;border-radius:10px;cursor:pointer;display:flex;flex-direction:column;gap:6px;margin-bottom:4px;border:1px solid transparent}.device-row:hover{background:var(--panel-muted)}.device-row.selected{background:var(--panel-muted);border-color:var(--border)}.device-row-top{display:flex;align-items:center;justify-content:space-between}.device-name{font-size:13.5px;font-weight:600;color:var(--text)}.status-badge{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.03em;padding:2px 8px;border-radius:999px}.status-badge.live{color:var(--status-live);background:#22b5731f}.status-badge.idle{color:var(--status-idle);background:#f5a62324}.status-badge.offline{color:var(--text-muted);background:var(--panel-muted)}.status-badge.alert{color:var(--status-alert);background:#e5484d1f}.status-dot{width:7px;height:7px;border-radius:50%;display:inline-block;margin-right:6px}.status-dot.live{background:var(--status-live)}.status-dot.idle{background:var(--status-idle)}.status-dot.offline{background:var(--status-offline)}.telemetry-strip{font-family:var(--font-mono);font-size:11px;color:var(--text-muted);display:flex;align-items:center;justify-content:space-between;gap:10px}.telemetry-strip span{white-space:nowrap}.map-area{position:relative;background:var(--panel-muted)}.leaflet-container{height:100%;width:100%;background:var(--panel-muted)}.map-panel{position:absolute;bottom:16px;left:16px;right:16px;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:14px 18px;box-shadow:var(--shadow-card);z-index:500}.history-controls{display:flex;align-items:center;gap:12px}.history-controls input[type=range]{flex:1;accent-color:var(--brand)}.history-controls button{background:var(--panel-muted);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:7px 12px;cursor:pointer;font-size:12px;font-weight:500}.history-controls button:hover{border-color:var(--brand);color:var(--brand)}.history-meta{font-family:var(--font-mono);font-size:11px;color:var(--text-muted);margin-top:8px}.login-screen{height:100vh;display:grid;grid-template-columns:1fr 1fr;background:var(--panel)}.login-form-side{display:flex;align-items:center;justify-content:center;padding:40px}.login-visual-side{position:relative;background:linear-gradient(160deg,#14213d8c,#2f6fed59),radial-gradient(circle at 30% 20%,#fc4c02 0%,transparent 45%),radial-gradient(circle at 80% 75%,#22b573 0%,transparent 40%),#14213d;overflow:hidden}.login-visual-side:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:radial-gradient(circle at 60% 50%,black 0%,transparent 70%);mask-image:radial-gradient(circle at 60% 50%,black 0%,transparent 70%)}.login-visual-badge{position:absolute;top:48px;left:48px;display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:15px}.login-visual-content{position:absolute;bottom:48px;left:48px;right:48px;color:#fff}.login-visual-content h2{font-size:26px;font-weight:700;margin:0 0 8px;max-width:380px}.login-visual-content p{font-size:14px;color:#ffffffbf;max-width:340px;line-height:1.5;margin:0}@media (max-width: 900px){.login-screen{grid-template-columns:1fr}.login-visual-side{display:none}}.login-card{width:100%;max-width:380px;background:var(--panel);padding:8px}.login-brand-logo{width:44px;height:44px;border-radius:10px;margin-bottom:18px;object-fit:contain}.login-brand-logo-small{width:26px;height:26px;border-radius:6px;object-fit:contain}.login-card h1{font-family:var(--font-display);font-size:21px;margin:0 0 4px;font-weight:700}.login-card p.subtitle{color:var(--text-muted);font-size:13px;margin:0 0 24px}.field{margin-bottom:16px}.field label{display:block;font-size:12px;color:var(--text-muted);margin-bottom:6px;font-weight:500}.field input:not([type=checkbox]){width:100%;background:var(--panel-muted);border:1px solid var(--border);color:var(--text);padding:10px 12px;border-radius:8px;font-size:13px}.field input:focus{background:var(--panel)}.login-submit{width:100%;background:var(--brand);border:none;color:#fff;font-weight:600;padding:11px;border-radius:8px;cursor:pointer;margin-top:6px;font-size:13.5px}.login-submit:hover{background:var(--brand-dark)}.login-submit:disabled{opacity:.6;cursor:default}.login-error{background:#e5484d14;border:1px solid rgba(229,72,77,.25);color:#c0292e;font-size:12px;padding:9px 11px;border-radius:8px;margin-bottom:16px}.sidebar-header-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.add-device-btn{width:26px;height:26px;border-radius:7px;border:none;background:var(--brand);color:#fff;font-size:16px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:1}.add-device-btn:hover{background:var(--brand-dark)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#14213d73;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-card{width:400px;background:var(--panel);border-radius:16px;padding:28px;box-shadow:var(--shadow-card)}.modal-card h3{margin:0 0 6px;font-size:18px}.modal-subtitle{color:var(--text-muted);font-size:12.5px;margin:0 0 18px;line-height:1.5}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:8px}.btn-secondary{background:var(--panel-muted);border:1px solid var(--border);color:var(--text);padding:10px 16px;border-radius:8px;font-size:13px;font-weight:500;cursor:pointer}.btn-secondary:hover{border-color:var(--text-muted)}.device-row-menu{position:relative}.menu-item{display:block;width:100%;text-align:left;border:none;background:transparent;padding:9px 14px;font-size:12.5px;cursor:pointer;color:var(--text)}.menu-item:hover{background:var(--panel-muted)}.menu-item.danger{color:var(--status-alert)}.device-delete-btn{border:none;background:transparent;color:var(--text-muted);cursor:pointer;font-size:11px;padding:2px 6px;border-radius:6px}.device-delete-btn:hover{color:var(--status-alert);background:#e5484d14}.detail-panel{position:absolute;top:16px;right:16px;width:240px;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:14px 16px;box-shadow:var(--shadow-card);z-index:500}.empty-state{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-muted);font-size:13px;flex-direction:column;gap:8px}