:root{--bg: #0f1221;--panel: #161a2e;--muted: #8b92a9;--text: #e9ecf4;--accent: #6ea8fe;--border: #242844;--hover: #1c2140;--green: #2ecc71;--red: #ff6b6b}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji"}.appShell{display:flex;flex-direction:column;height:100vh}.appHeader{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);background:#0003}.brand{font-weight:700;letter-spacing:.3px}.status{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}.dot{width:8px;height:8px;border-radius:999px;display:inline-block}.dot.online{background:var(--green)}.dot.offline{background:var(--red)}.muted{color:var(--muted)}.accent{color:var(--accent)}.content{flex:1;display:grid;grid-template-columns:320px 1fr;min-height:0}.sidebar{border-right:1px solid var(--border);background:var(--panel);display:flex;flex-direction:column;min-height:0}.sidebarHeader{padding:12px;border-bottom:1px solid var(--border);display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center}.searchInput{width:100%;padding:8px 10px;border-radius:8px;border:1px solid var(--border);background:#0f1326;color:var(--text);outline:none}.searchInput:focus{border-color:var(--accent);box-shadow:0 0 0 2px #6ea8fe33}.count{font-size:12px;color:var(--muted)}.machineList{list-style:none;margin:0;padding:8px;overflow:auto;display:flex;flex-direction:column;gap:8px}.machineItem{display:grid;grid-template-columns:1fr auto;align-items:center;gap:8px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:#12162a;cursor:pointer}.machineItem:hover{background:var(--hover)}.machineItem.selected{border-color:var(--accent);box-shadow:0 0 0 2px #6ea8fe33 inset}.machineId{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.connectBtn{appearance:none;border:1px solid var(--border);background:#0f1326;color:var(--text);padding:6px 10px;border-radius:8px;cursor:pointer;font-size:13px}.connectBtn:hover{border-color:var(--accent);color:var(--accent)}.empty{text-align:center;padding:24px 0;color:var(--muted);border:1px dashed var(--border);border-radius:10px}.main{display:flex;flex-direction:column;min-width:0;min-height:0}.mainHeader{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border);background:#0000001a}.title{font-weight:600}.hints{font-size:12px}.videoWrap{position:relative;flex:1;min-height:0;padding:16px;display:flex}.video{width:100%;height:100%;max-height:100%;object-fit:contain;border-radius:12px;background:#0b0e1d;border:1px solid var(--border);outline:none;touch-action:none;cursor:crosshair}@media (max-width: 900px){.content{grid-template-columns:1fr}.sidebar{order:2}.main{order:1}}