:root{--amber: #c07820;--amber-l: #f0e4cc;--amber-m: #e8c880;--dark: #2e1e08;--gray: #7a6a54;--bg: #f5ede0;--card: #fffaf3;--border: #e0d0b0;--green: #b5d6a7;--red: #b04030;--font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}button,input,select,textarea{font-family:inherit}html,body{height:100%}body{font-family:var(--font-system);background:var(--bg);color:var(--dark);height:100vh;height:100dvh;overflow:hidden;-webkit-font-smoothing:antialiased}#app{height:100dvh;max-width:920px;margin:0 auto;box-shadow:0 0 20px #0000000a;overflow:hidden;display:flex;flex-direction:column}.app-shell{display:flex;flex-direction:column;height:100%;min-height:0;flex:1}.sidebar{width:100%;box-sizing:border-box;flex-shrink:0;background:var(--card);border-bottom:1px solid 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var(--border);background:#fffdf8;cursor:pointer}.device-opt.on{border-color:var(--amber);background:var(--amber-l)}.device-opt-icon{width:32px;height:32px;border-radius:8px;background:var(--bg);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;color:var(--amber);flex-shrink:0}.device-opt-name{font-size:13px;font-weight:700;color:var(--dark)}.device-opt-loc{font-size:11px;color:var(--gray);margin-top:2px}.device-opt-check{width:16px;height:16px;border-radius:50%;border:2px solid var(--border);flex-shrink:0}.device-opt.on .device-opt-check{border-color:var(--amber);background:var(--amber);box-shadow:inset 0 0 0 3px #fffdf8}.wifi-state{display:none;flex-direction:column;align-items:center;text-align:center;gap:10px;padding:24px 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