:root{font-family:Inter,Pretendard,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#19211c;background:#f4f6f1;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input{font:inherit}.app-shell{width:min(100%,1040px);margin:0 auto;padding:28px 18px 48px}.topbar,.panel-header,.device-title,.summary-card,.setting-row{display:flex;align-items:center}.topbar{justify-content:space-between;gap:16px;margin-bottom:22px}.eyebrow{margin:0 0 6px;color:#557568;font-size:12px;font-weight:800;letter-spacing:0;text-transform:uppercase}h1,h2,h3,p{margin:0}h1{font-size:30px;line-height:1.18}h2{font-size:20px}h3{font-size:16px}.icon-button,.primary-button{border:0;cursor:pointer}.icon-button{width:44px;height:44px;display:grid;place-items:center;border-radius:8px;color:#fff;background:#1f6b58}.primary-button{min-height:40px;display:inline-flex;align-items:center;gap:8px;padding:0 14px;border-radius:8px;color:#fff;background:#1f6b58;font-weight:800}.summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:16px}.summary-card,.panel{border:1px solid #dde5d8;border-radius:8px;background:#fff}.summary-card{gap:12px;min-height:86px;padding:16px}.summary-card svg,.panel-header svg,.device-icon svg{color:#1f6b58}.summary-card span,.device-card p,.device-card small{color:#5e6c63}.summary-card strong{display:block;margin-top:4px;font-size:22px}.panel{padding:18px;margin-top:16px}.panel-header{justify-content:space-between;gap:12px;margin-bottom:16px}.device-list,.setting-list{display:grid;gap:10px}.device-card{display:grid;grid-template-columns:44px 1fr;gap:12px;padding:14px;border-radius:8px;background:#f8faf6}.device-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:8px;background:#e6f0eb}.device-body{min-width:0}.device-title{justify-content:space-between;gap:10px}.device-title span{flex:0 0 auto;padding:5px 8px;border-radius:999px;color:#1f6b58;background:#e6f0eb;font-size:12px;font-weight:800}.device-card p{margin-top:7px}.device-card small{display:block;margin-top:4px}.setting-row{justify-content:space-between;gap:14px;min-height:48px;padding:0 12px;border-radius:8px;background:#f8faf6}.setting-row input{width:18px;height:18px;accent-color:#1f6b58}@media(max-width:720px){.app-shell{padding:22px 14px 36px}.summary-grid{grid-template-columns:1fr}.panel-header{align-items:flex-start}.primary-button{padding:0 12px}.device-title{align-items:flex-start;flex-direction:column}}