:root{--bg:#0f172a;--surface:#1e293b;--surface-alt:#263548;--border:#334155;--text-primary:#e2e8f0;--text-secondary:#94a3b8;--accent:#22d3ee;--accent-glow:#22d3ee73;--status-good:#34d399;--status-warn:#fbbf24;--status-bad:#f87171;--status-off:#475569;--series-1:#3987e5;--series-2:#d95926;--chart-grid:#94a3b824}*{box-sizing:border-box;margin:0;padding:0}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg);color:var(--text-primary);font-family:Poppins,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}a{color:inherit;text-decoration:none}button{font-family:inherit}.navigation{background:var(--surface);border-bottom:1px solid var(--border);z-index:10;position:sticky;top:0}.nav-container{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;max-width:1280px;margin:0 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h3{color:var(--text-primary);overflow-wrap:break-word;font-size:.98rem;font-weight:600}.device-room{color:var(--text-secondary);font-size:.78rem}.online-pill{white-space:nowrap;border-radius:999px;flex-shrink:0;padding:3px 9px;font-size:.7rem;font-weight:600}.online-pill.online{color:var(--status-good);background:#34d3991f}.online-pill.offline{color:var(--status-bad);background:#f871711f}.device-card-body{flex:1}.device-card-footer{color:var(--text-secondary);border-top:1px solid var(--border);padding-top:10px;font-size:.72rem}.toggle{cursor:pointer;background:0 0;border:none;align-items:center;gap:10px;padding:4px;display:flex}.toggle.disabled{cursor:not-allowed;opacity:.55}.toggle-track{border:1px solid var(--border);background:#475569;border-radius:999px;flex-shrink:0;width:44px;height:24px;transition:background .2s,box-shadow .2s;position:relative}.toggle.on .toggle-track{background:var(--accent);box-shadow:0 0 12px var(--accent-glow)}.toggle-knob{background:#e2e8f0;border-radius:50%;width:18px;height:18px;transition:transform .2s;position:absolute;top:2px;left:2px}.toggle.on .toggle-knob{background:#0f172a;transform:translate(20px)}.toggle-state-label{color:var(--text-secondary);text-align:left;min-width:32px;font-size:.85rem;font-weight:600}.toggle.on .toggle-state-label{color:var(--accent)}.switch-control{flex-direction:column;gap:8px;display:flex}.switch-row{justify-content:space-between;align-items:center;gap:12px;display:flex}.switch-row-label{color:var(--text-secondary);font-size:.85rem}.stat-reading{flex-direction:column;gap:12px;display:flex}.status-pill{border-radius:999px;align-self:flex-start;padding:3px 10px;font-size:.78rem;font-weight:600}.tone-good{color:var(--status-good);background:#34d3991f}.tone-warn{color:var(--status-warn);background:#fbbf241f}.tone-bad{color:var(--status-bad);background:#f871711f}.stat-fields{flex-wrap:wrap;gap:14px;display:flex}.stat-field{flex-direction:column;gap:2px;min-width:70px;display:flex}.stat-field-icon{font-size:1rem}.stat-field-value{color:var(--text-primary);font-size:1.1rem;font-weight:700}.stat-field-unit{color:var(--text-secondary);margin-left:3px;font-size:.7rem;font-weight:500}.stat-field-label{color:var(--text-secondary);font-size:.72rem}.camera-preview{flex-direction:column;gap:10px;display:flex}.camera-thumb{background:var(--surface-alt);border:1px solid var(--border);height:90px;color:var(--text-secondary);border-radius:10px;justify-content:center;align-items:center;font-size:1.8rem;display:flex}.camera-btn{border:1px solid 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var(--border);color:var(--text-primary);padding:8px 14px}.event-log-time{color:var(--text-secondary);font-variant-numeric:tabular-nums}.event-log-table tbody tr:hover{background:var(--surface-alt)}.event-log-empty{text-align:center;color:var(--text-secondary);padding:24px!important}.event-log-pager{color:var(--text-secondary);font-variant-numeric:tabular-nums;justify-content:center;align-items:center;gap:16px;margin-top:14px;font-size:.82rem;display:flex}.event-log-pager button{background:var(--surface-alt);border:1px solid var(--border);color:var(--text-primary);cursor:pointer;border-radius:8px;padding:6px 14px;font-size:.8rem}.event-log-pager button:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.event-log-pager button:disabled{opacity:.4;cursor:not-allowed}.graph-page h1{margin-bottom:16px;font-size:1.5rem}.graph-error{color:var(--status-bad);margin-bottom:12px;font-size:.85rem}.graph-content{transition:opacity 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tr:hover{background:var(--surface-alt)}.preview-row{opacity:.75}.architecture-card{background:var(--surface);border:1px solid var(--border);text-align:center;border-radius:14px;padding:16px}.architecture-image{cursor:zoom-in;border-radius:8px;width:100%;max-width:1100px;height:auto;margin:0 auto;display:block}.architecture-card .section-hint{color:var(--text-secondary);margin-top:10px;font-size:.8rem}.system-page h1{margin-bottom:20px;font-size:1.5rem}.sys-error{color:var(--status-bad);margin-bottom:12px;font-size:.85rem}.sys-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;display:grid}.sys-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;align-items:flex-start;gap:14px;padding:18px 20px;display:flex}.sys-card-icon{font-size:1.5rem;line-height:1}.sys-card-body{flex-direction:column;gap:4px;min-width:0;display:flex}.sys-card-label{color:var(--text-secondary);font-size:.78rem}.sys-card-value{color:var(--text-primary);overflow-wrap:break-word;font-size:1.15rem;font-weight:700}.sys-card-value.tone-good{color:var(--status-good)}.sys-card-value.tone-warn{color:var(--status-warn)}.sys-card-value.tone-bad{color:var(--status-bad)}.sys-card-sub{color:var(--text-secondary);font-size:.74rem}.about-page h1{margin-bottom:6px;font-size:1.5rem}.about-version{color:var(--text-secondary);margin-bottom:24px;font-size:.85rem}.about-section{background:var(--surface);border:1px solid var(--border);border-radius:14px;max-width:640px;margin-bottom:18px;padding:20px 22px}.about-section h2{margin-bottom:10px;font-size:1rem;font-weight:600}.about-section p{color:var(--text-secondary);font-size:.88rem;line-height:1.6}.stack-list{flex-direction:column;gap:8px;list-style:none;display:flex}.stack-list li{color:var(--text-secondary);padding-left:16px;font-size:.85rem;position:relative}.stack-list li:before{content:"•";color:var(--accent);position:absolute;left:0}.developer-card{align-items:center;gap:20px;display:flex}.developer-photo{object-fit:cover;border:2px solid var(--border);border-radius:50%;flex-shrink:0;width:96px;height:96px}.developer-name{color:var(--text-primary);margin-bottom:10px;font-size:1rem;font-weight:700}.developer-contacts{flex-direction:column;gap:6px;list-style:none;display:flex}.developer-contacts li{color:var(--text-secondary);font-size:.85rem}.developer-contacts a{color:var(--text-secondary);text-decoration:none}.developer-contacts a:hover{color:var(--accent);text-decoration:underline}@media (width<=480px){.developer-card{text-align:left;flex-direction:column;align-items:flex-start}}.app-container{background-color:var(--bg);flex-direction:column;min-height:100vh;display:flex}.main-content{flex:1;width:100%;max-width:1280px;margin:0 auto;padding:24px 32px 48px;overflow-y:auto}@media (width<=768px){.main-content{padding:16px 16px 32px}}