:root{font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,"Apple Color Emoji",Arial,sans-serif,"Segoe UI Emoji",Segoe UI Symbol;line-height:1.5;font-weight:400;color-scheme:light;color:#37352f;background:#fff;min-height:100vh;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:#fff}#root{width:100%;min-height:100vh;background:#fff}.app-container{max-width:900px;margin:0 auto;padding:2rem 1.5rem;min-height:100vh}.header{text-align:left;margin-bottom:3rem;padding-bottom:1.5rem;border-bottom:1px solid #e9e9e7}.header h1{font-size:2.25rem;margin:0 0 .5rem;font-weight:700;color:#37352f;letter-spacing:-.02em}.subtitle{color:#787774;font-size:.95rem;margin:0;font-weight:400}.error-message{background-color:#f7f6f3;color:#37352f;padding:.875rem 1rem;border-radius:3px;margin-bottom:1.5rem;text-align:left;border:1px solid #e9e9e7;font-size:.875rem}.loading{text-align:center;padding:4rem 2rem;font-size:.95rem;color:#787774}.empty-state{text-align:center;padding:4rem 2rem;color:#9b9a97;font-size:.95rem}.controls-section{display:flex;gap:.75rem;margin-bottom:2.5rem;flex-wrap:wrap}.control-button{padding:.5rem 1.25rem;font-size:.875rem;font-weight:500;border:1px solid #e9e9e7;border-radius:3px;cursor:pointer;transition:all .15s ease;background:#fff;color:#37352f;min-width:120px}.control-button-all{font-size:.875rem;padding:.625rem 1.5rem}.control-button-on{background:#37352f;color:#fff;border-color:#37352f}.control-button-on:hover:not(:disabled){background:#2e2d29;border-color:#2e2d29}.control-button-off{background:#fff;color:#37352f;border-color:#e9e9e7}.control-button-off:hover:not(:disabled){background:#f7f6f3;border-color:#d9d9d7}.control-button:disabled{opacity:.4;cursor:not-allowed}.devices-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem;margin-bottom:2rem}.device-card{background:#fff;border-radius:3px;padding:1.25rem;transition:all .15s ease;display:flex;flex-direction:column;gap:1rem;border:1px solid #e9e9e7}.device-card:hover{border-color:#d9d9d7;background:#fafafa}.device-info{display:flex;flex-direction:column;gap:.75rem}.device-name{margin:0;font-size:1rem;font-weight:600;color:#37352f;letter-spacing:-.01em}.device-status{display:flex;align-items:center;gap:.5rem}.status-indicator{width:8px;height:8px;border-radius:50%;display:inline-block}.status-indicator.status-on{background-color:#37352f}.status-indicator.status-off{background-color:#9b9a97}.status-indicator.status-unknown{background-color:#d9d9d7}.status-text{font-size:.8125rem;color:#787774;font-weight:400}.toggle-button{padding:.5rem 1rem;font-size:.875rem;font-weight:500;border:1px solid #e9e9e7;border-radius:3px;cursor:pointer;transition:all .15s ease;width:100%;margin-top:auto;background:#fff;color:#37352f}.toggle-button.toggle-on{background:#37352f;color:#fff;border-color:#37352f}.toggle-button.toggle-on:hover:not(:disabled){background:#2e2d29;border-color:#2e2d29}.toggle-button.toggle-off{background:#fff;color:#37352f;border-color:#e9e9e7}.toggle-button.toggle-off:hover:not(:disabled){background:#f7f6f3;border-color:#d9d9d7}.toggle-button.updating{opacity:.6;cursor:wait}.toggle-button:disabled{opacity:.4;cursor:not-allowed}@media(max-width:768px){.app-container{padding:1.5rem 1rem}.header{margin-bottom:2rem;padding-bottom:1rem}.header h1{font-size:1.875rem}.controls-section{flex-direction:column}.control-button-all{width:100%}.devices-grid{grid-template-columns:repeat(2,1fr);gap:.75rem}.device-card{padding:1rem}}@media(max-width:480px){.app-container{padding:1.25rem .875rem}.header h1{font-size:1.625rem}.subtitle{font-size:.875rem}}