@import"https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700&display=swap";:root{font-family:Noto Sans KR,system-ui,sans-serif;color:#203a36;background:#f3f5f1;font-synthesis:none;font-weight:400;font-size:14px}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,.button{cursor:pointer;border:1px solid #d5dfd9;border-radius:9px;padding:10px 16px;background:#fff;color:inherit;text-decoration:none;transition:background .15s}button:hover:not(:disabled){background:#ecf3ec}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #40a78a;outline-offset:3px}input,select{border:1px solid #cbd8d0;padding:10px;border-radius:8px;background:#fff;max-width:100%}label{display:flex;flex-direction:column;gap:8px}small{display:block;color:#71817a;font-size:12px;line-height:1.7}h1{font-size:30px;font-weight:600;letter-spacing:-1px;margin:3px 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#253c2904;margin-bottom:20px}.grid .card{margin:0}.card .eyebrow{margin:0 0 10px}.vent{grid-column:1/-1}.vent .segmented{display:inline-flex;margin-right:20px}.vent small{margin-top:24px}.row{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 0;border-top:1px solid #eff2eb;flex-wrap:wrap}.row b{font-weight:500}.segmented{display:flex;border:1px solid #dfe6da;border-radius:10px;overflow:hidden;flex-shrink:0}.segmented button{border:0;border-radius:0;font-size:12px;padding:9px 14px}.segmented .chosen{background:#e3edce;color:#3e6136}.zone-control{display:flex;align-items:center;gap:5px}.zone-control button{padding:8px;font-size:11px}.zone-control form{display:flex;gap:3px}.zone-control input{width:54px;padding:8px;font-size:12px}.big-state{font-size:26px;color:#2a5746}.primary{background:#204f3e;color:#fff;border-color:#204f3e}button.primary:hover:not(:disabled){background:#32674d}.message{padding:14px 18px;border:1px solid #cddfc9;background:#eaf0df;border-radius:10px;margin:0 0 20px;overflow-wrap:anywhere;display:flex;justify-content:space-between;gap:12px}.message button{padding:0 6px;background:none;border:0}.message.error{background:#f5e9e3;border-color:#ebd3c7;color:#8d4a38}.stale{font-size:12px;color:#9c7a3e}.actions{display:flex;gap:8px}.card form{display:flex;gap:12px;align-items:end;flex-wrap:wrap}.page-note{font-size:11px;color:#9aa69b;margin-top:40px}.welcome{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding:10vw;background:linear-gradient(135deg,#e6efdb,#f8f7ed 70%)}.welcome h1{font-size:clamp(36px,5vw,70px);line-height:1.4;margin:14px 0}.welcome .brand{margin-bottom:60px}.welcome .button{margin:30px 0 18px}.welcome small{max-width:340px}@media(max-width:1100px){.grid{grid-template-columns:1fr}.vent{grid-column:auto}.shell{grid-template-columns:210px 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