:root{--ink:#122221;--forest:#102b2b;--green:#1e6c5b;--mint:#75d6b7;--paper:#f4f5ef;--white:#fff;--line:#dfe4dc;--muted:#71807b;--warn:#d99a42;--shadow:0 16px 45px rgba(15,42,41,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,"Pretendard","Noto Sans KR",system-ui,sans-serif;color:var(--ink);background:var(--paper)}button,input,select{font:inherit}.eyebrow{margin:0 0 8px;font-size:11px;font-weight:800;letter-spacing:.17em;color:var(--green)}[hidden]{display:none!important}
.login-view{min-height:100vh;display:grid;grid-template-columns:1.15fr .85fr;background:var(--forest);position:relative;overflow:hidden}.login-view:before{content:"";position:absolute;width:540px;height:540px;border:1px solid rgba(117,214,183,.18);border-radius:50%;left:-130px;top:-120px;box-shadow:0 0 0 80px rgba(117,214,183,.035),0 0 0 160px rgba(117,214,183,.025)}.login-mark{display:grid;place-items:center;font-family:Georgia,serif;font-size:25vw;color:rgba(117,214,183,.08);z-index:1}.login-card{align-self:center;max-width:470px;background:#f8f8f3;padding:64px 58px;box-shadow:var(--shadow);z-index:2}.login-card h1{font-family:Georgia,"Noto Serif KR",serif;font-size:48px;line-height:1.08;margin:0 0 22px}.login-copy{color:var(--muted);line-height:1.7;margin-bottom:32px}.login-card label{display:block;font-size:13px;font-weight:700;margin:18px 0}.login-card input{display:block;width:100%;margin-top:9px;border:1px solid var(--line);background:white;padding:14px 15px;outline:none}.login-card input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(30,108,91,.1)}.primary-button{width:100%;border:0;background:var(--forest);color:white;padding:15px;font-weight:800;cursor:pointer}.primary-button:hover{background:var(--green)}.form-error{min-height:20px;color:#a43f35;font-size:13px}
.app-shell{min-height:100vh;display:grid;grid-template-columns:238px 1fr}.sidebar{position:fixed;inset:0 auto 0 0;width:238px;background:var(--forest);color:white;padding:28px 22px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;padding:0 8px 34px}.brand-mark{display:grid;place-items:center;width:39px;height:39px;border:1px solid var(--mint);font-family:Georgia,serif;font-size:25px;color:var(--mint)}.brand strong{display:block;letter-spacing:.16em}.brand small{display:block;font-size:9px;color:#91aaa5;letter-spacing:.14em;margin-top:4px}.sidebar nav{display:grid;gap:6px}.nav-item{color:#a7bbb6;text-decoration:none;padding:12px 14px;border-left:2px solid transparent;font-size:14px}.nav-item.active,.nav-item:hover{color:white;background:rgba(255,255,255,.06);border-left-color:var(--mint)}.sidebar-foot{margin-top:auto;border-top:1px solid rgba(255,255,255,.1);padding:19px 8px 2px;color:#9fb5b0;font-size:12px;display:flex;align-items:center;gap:8px}.status-dot{width:7px;height:7px;background:var(--mint);border-radius:50%;box-shadow:0 0 0 4px rgba(117,214,183,.12)}main{grid-column:2;padding:0 42px 38px;max-width:1600px;width:100%;margin:auto}.topbar{height:116px;display:flex;align-items:center;justify-content:space-between}.topbar h1{font-family:Georgia,"Noto Serif KR",serif;font-size:32px;margin:0}.header-actions{display:flex;gap:10px;align-items:center}.clock{color:var(--muted);font-size:13px;margin-right:10px}.icon-button,.text-button{border:1px solid var(--line);background:transparent;padding:9px 12px;cursor:pointer}.icon-button{font-size:21px;line-height:1}.text-button{font-size:12px}.hero-strip{background:var(--forest);color:white;padding:28px 32px;display:flex;justify-content:space-between;align-items:center;box-shadow:var(--shadow)}.hero-strip h2{font-family:Georgia,"Noto Serif KR",serif;margin:10px 0 5px;font-size:27px}.hero-strip p{margin:0;color:#a9bcb8;font-size:13px}.live-pill{color:var(--mint);font-size:10px;font-weight:800;letter-spacing:.13em}.live-pill i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--mint);margin-right:6px}.hero-strip dl{display:flex;margin:0}.hero-strip dl div{min-width:125px;padding:4px 22px;border-left:1px solid rgba(255,255,255,.12)}.hero-strip dt{font-size:10px;color:#8da6a0;letter-spacing:.08em}.hero-strip dd{font-family:Georgia,serif;margin:8px 0 0;font-size:21px}.section-block{margin-top:34px}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:17px}.section-heading h2{font-family:Georgia,"Noto Serif KR",serif;font-size:25px;margin:0}.muted{color:var(--muted);font-size:12px}.sensor-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.sensor-card{background:var(--white);padding:22px;border-top:3px solid var(--green);box-shadow:0 6px 24px rgba(15,42,41,.05);min-height:152px}.sensor-card .sensor-name{font-size:12px;color:var(--muted);font-weight:700}.sensor-card .reading{font-family:Georgia,serif;font-size:34px;margin:20px 0 8px}.sensor-card .unit{font-family:Inter,sans-serif;font-size:13px;color:var(--muted);margin-left:3px}.sensor-card time{font-size:11px;color:#8b9692}.placeholder-card{border-top-color:var(--line);display:flex;align-items:center;justify-content:center;color:var(--muted);text-align:center;line-height:1.6}.chart-panel,.records-panel{background:white;padding:26px 28px;box-shadow:0 6px 24px rgba(15,42,41,.045)}.filters{display:flex;gap:12px}.filters label{font-size:11px;color:var(--muted);font-weight:700}.filters select{display:block;margin-top:6px;border:1px solid var(--line);background:white;padding:8px 32px 8px 10px}.chart-wrap{position:relative;height:310px;border-top:1px solid var(--line);padding-top:18px}.chart-wrap canvas{width:100%;height:100%}.empty-overlay{position:absolute;inset:18px 0 0;display:grid;place-items:center;background:linear-gradient(180deg,rgba(244,245,239,.35),rgba(244,245,239,.7));color:var(--muted);font-size:13px}.chart-legend{display:flex;gap:18px;flex-wrap:wrap;margin-top:15px;font-size:11px;color:var(--muted)}.legend-swatch{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}.secondary-button{border:1px solid var(--forest);color:var(--forest);padding:9px 13px;text-decoration:none;font-size:12px;font-weight:800}.table-wrap{overflow:auto}.records-panel table{width:100%;border-collapse:collapse;font-size:12px}.records-panel th{text-align:left;color:var(--muted);font-size:10px;letter-spacing:.08em;border-bottom:1px solid var(--line);padding:12px 10px}.records-panel td{border-bottom:1px solid #edf0eb;padding:13px 10px;white-space:nowrap}.value-chips{display:flex;gap:5px;flex-wrap:wrap}.value-chip{background:#edf4f0;color:var(--green);padding:4px 7px;font-weight:700}.global-empty{text-align:center;padding:55px 20px;color:var(--muted)}.global-empty strong{display:block;color:var(--ink);font-family:Georgia,"Noto Serif KR",serif;font-size:21px;margin-bottom:10px}.global-empty p{max-width:550px;margin:auto;line-height:1.7}footer{text-align:center;color:#929c98;font-size:10px;margin-top:32px;letter-spacing:.06em}
@media(max-width:1050px){.sensor-grid{grid-template-columns:repeat(2,1fr)}.hero-strip{align-items:flex-start;gap:25px}.hero-strip dl{display:grid;grid-template-columns:1fr 1fr}.hero-strip dl div{padding:5px 18px;margin:3px 0}.clock{display:none}}
@media(max-width:760px){.login-view{display:block;padding:24px}.login-mark{display:none}.login-card{margin:8vh auto;padding:42px 30px}.login-card h1{font-size:39px}.app-shell{display:block}.sidebar{position:static;width:auto;height:69px;padding:14px 18px;flex-direction:row;align-items:center}.brand{padding:0}.sidebar nav{display:none}.sidebar-foot{margin:0 0 0 auto;border:0;padding:0}.app-shell main{padding:0 16px 28px}.topbar{height:92px}.topbar h1{font-size:26px}.hero-strip{display:block;padding:23px}.hero-strip dl{margin-top:22px}.hero-strip dl div:first-child,.hero-strip dl div:nth-child(3){border-left:0;padding-left:0}.sensor-grid{grid-template-columns:1fr 1fr}.controls-heading{align-items:flex-start;gap:18px;flex-direction:column}.filters{width:100%}.filters label{flex:1}.filters select{width:100%}.chart-panel,.records-panel{padding:21px 17px}.chart-wrap{height:250px}.text-button{display:none}}
@media(max-width:460px){.sensor-grid{grid-template-columns:1fr}.hero-strip dl{grid-template-columns:1fr 1fr}.hero-strip dl div{min-width:0}.header-actions{gap:5px}.section-heading h2{font-size:22px}}


.gateway-profiles{margin-top:18px}.gateway-profile-card{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:20px;background:#fff;padding:20px 24px;border:1px solid var(--line);box-shadow:0 6px 24px rgba(15,42,41,.04)}.type-badge{display:grid;place-items:center;width:58px;height:58px;background:var(--green);color:#fff;font-family:Georgia,serif;font-size:23px}.gateway-profile-card h2{font-family:Georgia,"Noto Serif KR",serif;margin:0;font-size:20px}.profile-sensors{display:flex;gap:7px;flex-wrap:wrap;margin-top:10px}.profile-sensors span{background:#edf4f0;color:var(--green);padding:5px 8px;font-size:11px;font-weight:700}.gateway-profile-card dl{margin:0;text-align:right}.gateway-profile-card dt{color:var(--muted);font-size:10px}.gateway-profile-card dd{font-family:Georgia,serif;font-size:31px;margin:4px 0}.gateway-profile-card dd small{font-family:Inter,sans-serif;font-size:11px;margin-left:3px;color:var(--muted)}@media(max-width:600px){.gateway-profile-card{grid-template-columns:auto 1fr}.gateway-profile-card dl{grid-column:1/-1;text-align:left;display:flex;align-items:center;gap:8px}.gateway-profile-card dd{font-size:22px}}
.gateway-management{background:#fff;padding:26px 28px;box-shadow:0 6px 24px rgba(15,42,41,.045)}.management-copy{color:var(--muted);font-size:12px;margin:-5px 0 18px}.gateway-list{display:grid;gap:10px}.gateway-device{display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:16px;padding:16px;border:1px solid var(--line);background:#fafbf8}.device-type{display:grid;place-items:center;width:48px;height:48px;background:var(--forest);color:var(--mint);font-family:Georgia,serif;font-size:18px}.device-title{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.device-main p{margin:6px 0 4px;color:var(--muted);font-size:12px}.device-main small{color:#87938f}.device-state,.approval-state{font-size:9px;font-weight:800;padding:3px 6px;letter-spacing:.04em}.device-state.online{color:var(--green);background:#e2f2eb}.device-state.offline{color:#8b7770;background:#f1ebe8}.approval-state{color:#6c7471;background:#ecefeb}.metric-progress{text-align:right}.metric-progress b{display:block;font-family:Georgia,serif;font-size:22px}.metric-progress span{font-size:9px;color:var(--muted)}.device-action{display:flex;gap:6px;justify-content:flex-end}.device-action button{border:1px solid var(--line);background:white;padding:8px 11px;font-size:11px;font-weight:800;cursor:pointer}.device-action button.detail-button{border-color:var(--green);color:var(--green)}.device-action button.approve{background:var(--green);border-color:var(--green);color:white}.device-action button:disabled,#discoverGateways:disabled{opacity:.55;cursor:wait}.gateway-empty{text-align:center;color:var(--muted);font-size:12px;padding:32px;border:1px dashed var(--line)}@media(max-width:760px){.gateway-management{padding:21px 17px}.gateway-device{grid-template-columns:auto 1fr}.metric-progress{grid-column:1/2;text-align:left}.device-action{grid-column:2/3;text-align:right}}
.control-panel{background:#fff;padding:26px 28px;box-shadow:0 6px 24px rgba(15,42,41,.045)}.control-notice{font-size:10px;font-weight:800;color:var(--green);background:#e8f3ee;padding:7px 9px}.actuator-list{display:grid;gap:12px}.actuator-card{display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:18px;padding:19px;border:1px solid var(--line);background:#fafbf8}.actuator-icon{display:grid;place-items:center;width:54px;height:54px;border-radius:50%;background:#edf1ed}.actuator-icon i{width:24px;height:24px;border:3px solid #8b9692;border-radius:50%;position:relative}.actuator-icon i:after{content:"";position:absolute;width:3px;height:13px;background:#8b9692;left:8px;top:-7px;border:2px solid #edf1ed}.actuator-card.on .actuator-icon{background:#dff2e9}.actuator-card.on .actuator-icon i{border-color:var(--green)}.actuator-card.on .actuator-icon i:after{background:var(--green);border-color:#dff2e9}.actuator-main p{margin:6px 0 4px;color:var(--muted);font-size:12px}.actuator-main small{color:#87938f}.actuator-state{text-align:right}.actuator-state span{display:block;color:var(--muted);font-size:9px}.actuator-state b{display:block;margin-top:5px;font-family:Georgia,"Noto Serif KR",serif;font-size:20px}.control-buttons{display:flex;gap:7px}.control-buttons button{min-width:62px;border:1px solid var(--line);padding:10px 12px;font-weight:800;font-size:11px;cursor:pointer}.control-buttons .fan-on{background:var(--green);border-color:var(--green);color:#fff}.control-buttons .fan-off{background:#fff;color:var(--ink)}.control-buttons button:disabled{opacity:.38;cursor:not-allowed}@media(max-width:760px){.control-panel{padding:21px 17px}.actuator-card{grid-template-columns:auto 1fr}.actuator-state{grid-column:1/2;text-align:left}.control-buttons{grid-column:2/3;justify-content:flex-end}}
body.modal-open{overflow:hidden}
.modal-backdrop{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:24px;background:rgba(7,25,24,.72);backdrop-filter:blur(3px)}
.gateway-modal{width:min(980px,100%);max-height:calc(100vh - 48px);overflow:auto;background:#f7f8f3;box-shadow:0 28px 80px rgba(0,0,0,.28)}
.gateway-modal-header{position:sticky;top:0;z-index:2;display:flex;justify-content:space-between;align-items:center;padding:23px 28px;background:#fff;border-bottom:1px solid var(--line)}
.gateway-modal-header h2{margin:0;font-family:Georgia,"Noto Serif KR",serif;font-size:27px}.modal-close{width:40px;height:40px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:26px;line-height:1;cursor:pointer}
.gateway-modal-body{padding:26px 28px 30px}.gateway-detail-summary{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px;padding:20px;background:var(--forest);color:#fff}
.detail-type{display:grid;place-items:center;width:58px;height:58px;border:1px solid var(--mint);color:var(--mint);font-family:Georgia,serif;font-size:21px}
.gateway-detail-summary p{margin:7px 0 5px;color:#b2c3bf;font-size:12px}.gateway-detail-summary small{color:#829e98}.gateway-detail-summary dl{display:flex;margin:0}.gateway-detail-summary dl div{padding:3px 18px;border-left:1px solid rgba(255,255,255,.14);text-align:right}.gateway-detail-summary dt{color:#91aaa5;font-size:9px}.gateway-detail-summary dd{margin:6px 0 0;font-family:Georgia,serif;font-size:22px}
.gateway-detail-section{margin-top:28px}.detail-section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:14px}.detail-section-heading h3{margin:0;font-family:Georgia,"Noto Serif KR",serif;font-size:22px}.detail-section-heading>span{color:var(--muted);font-size:10px}.detail-copy{margin:-3px 0 15px;color:var(--muted);font-size:11px}
.gateway-sensor-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.detail-sensor-card{padding:16px;background:#fff;border-top:3px solid var(--green);box-shadow:0 5px 18px rgba(15,42,41,.04)}.detail-sensor-card.waiting{border-top-color:var(--line)}
.detail-sensor-heading{display:flex;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px solid #edf0eb}.detail-sensor-heading span{color:var(--muted);font-size:10px}.detail-sensor-values{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 18px;padding-top:13px}.detail-sensor-values div{display:flex;justify-content:space-between;align-items:baseline;gap:8px}.detail-sensor-values span{color:var(--muted);font-size:11px}.detail-sensor-values b{font-family:Georgia,serif;font-size:21px}.detail-sensor-values small{margin-left:3px;color:var(--muted);font-family:Inter,sans-serif;font-size:10px}.waiting-value{grid-column:1/-1;margin:8px 0;color:var(--muted);font-size:12px}
@media(max-width:760px){.modal-backdrop{padding:0;place-items:stretch}.gateway-modal{width:100%;max-height:100vh}.gateway-modal-header,.gateway-modal-body{padding:19px 17px}.gateway-detail-summary{grid-template-columns:auto 1fr}.gateway-detail-summary dl{grid-column:1/-1}.gateway-detail-summary dl div{flex:1;text-align:left;border-left:0;border-top:1px solid rgba(255,255,255,.14);padding:13px 0 0}.gateway-sensor-grid{grid-template-columns:1fr}.detail-section-heading{align-items:flex-start;gap:10px}.detail-section-heading>span{text-align:right}.gateway-modal .actuator-card{grid-template-columns:auto 1fr}.gateway-modal .actuator-state{grid-column:1/2;text-align:left}.gateway-modal .control-buttons{grid-column:2/3;justify-content:flex-end}}

.gateway-remove-zone{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:30px;padding:20px;border:1px solid #e6cfca;background:#fff8f6}.gateway-remove-zone strong{display:block;font-size:14px;color:#8e342c}.gateway-remove-zone p{margin:6px 0 0;color:var(--muted);font-size:11px;line-height:1.6}.gateway-remove-zone button{flex:none;border:1px solid #a64036;background:#fff;color:#a64036;padding:10px 14px;font-size:11px;font-weight:800;cursor:pointer}.gateway-remove-zone button:hover{background:#a64036;color:#fff}.gateway-remove-zone button:disabled{opacity:.5;cursor:wait}@media(max-width:600px){.gateway-remove-zone{align-items:flex-start;flex-direction:column}.gateway-remove-zone button{width:100%}}
.records-panel table{min-width:980px}.records-panel th:nth-child(1){width:142px}.records-panel th:nth-child(2){width:110px}.records-panel th:nth-child(3){width:190px}.gateway-model{display:inline-grid;place-items:center;min-width:40px;padding:5px 8px;background:var(--forest);color:#fff;font-weight:800}.gateway-record-id{font-size:11px;letter-spacing:.03em}.cycle-values{display:flex;align-items:stretch;gap:7px;flex-wrap:nowrap}.cycle-sensor{min-width:145px;padding:8px 10px;background:#edf4f0;border-left:3px solid var(--green)}.cycle-sensor>strong{display:block;margin-bottom:5px;color:var(--green);font-size:10px;letter-spacing:.04em}.cycle-sensor>div{display:flex;align-items:center;gap:5px}.cycle-sensor span{color:var(--ink);font-size:11px}.cycle-sensor span b{color:var(--muted);font-size:9px}.cycle-sensor i{color:#a4afab;font-style:normal}.cycle-sensor.missing{background:#f3f4f1;border-left-color:var(--line)}.cycle-sensor.missing>strong,.cycle-sensor.missing span{color:#98a29e}