:root{--nav:#173b59;--nav2:#245a82;--bg:#edf2f6;--panel:#fff;--line:#d7e0e7;--text:#20303d;--muted:#6d7b87;--danger:#b42318;--ok:#157347;--gas:#e89919;--water:#168aad;--mix:#6b7280}*{box-sizing:border-box}body{margin:0;font:14px/1.45 Arial,sans-serif;background:var(--bg);color:var(--text)}.app{display:grid;grid-template-columns:220px minmax(0,1fr) 300px;min-height:100vh}.sidebar{background:var(--nav);color:#fff;padding:20px 14px}.brand{font-size:28px;font-weight:800}.version{opacity:.7;margin-bottom:22px}.sidebar a{display:block;color:#fff;text-decoration:none;padding:10px 12px;border-radius:8px;margin:3px 0}.sidebar a:hover,.sidebar a.active{background:var(--nav2)}main{min-width:0}.toolbar{height:66px;background:#fff;border-bottom:1px solid var(--line);padding:0 18px;display:flex;align-items:center;justify-content:space-between}.content{padding:18px}.details{background:#fff;border-left:1px solid var(--line);padding:18px}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:16px;box-shadow:0 2px 8px #173b5910}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stat strong{font-size:28px;display:block}.muted{color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:9px 12px;border:1px solid var(--line);border-radius:8px;background:#fff;color:inherit;text-decoration:none;cursor:pointer}.btn.primary{background:var(--nav2);border-color:var(--nav2);color:#fff}.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}.actions{display:flex;gap:8px;flex-wrap:wrap}.notice{padding:12px;border-radius:8px;margin-bottom:14px;background:#e8f5ee;color:var(--ok)}.notice.error{background:#fdecec;color:var(--danger)}table{width:100%;border-collapse:collapse}th,td{padding:10px;border-bottom:1px solid var(--line);text-align:left}th{background:#f5f8fa}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-grid label{font-weight:700}.form-grid input,.form-grid select,.form-grid textarea{width:100%;padding:10px;margin-top:5px;border:1px solid var(--line);border-radius:8px;font:inherit}.form-grid textarea{min-height:90px}.full{grid-column:1/-1}.login,.installer{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card,.install-card{width:min(760px,100%);background:#fff;padding:28px;border-radius:14px;box-shadow:0 12px 35px #0002}.login-card{width:min(430px,100%)}.login-card input{width:100%;padding:12px;border:1px solid var(--line);border-radius:8px;margin:6px 0 14px}.timeline-wrap{overflow:auto;border:1px solid var(--line);border-radius:10px}.timeline{display:grid;grid-template-columns:330px repeat(52,32px);min-width:1994px;background:#fff}.cell{height:42px;border-right:1px solid #e8edf1;border-bottom:1px solid #e8edf1;display:flex;align-items:center;justify-content:center;font-size:11px}.head{font-weight:bold;background:#f4f7f9}.project-info{position:sticky;left:0;background:#fff;z-index:2;justify-content:flex-start;padding:0 10px}.project-info.head{z-index:3;background:#f4f7f9}.bar{height:28px;margin:7px 1px;border-radius:5px;color:#fff;display:flex;align-items:center;padding:0 5px;font-size:10px;font-weight:bold;white-space:nowrap;overflow:hidden}.bar.gas{background:var(--gas)}.bar.water{background:var(--water)}.bar.mixed{background:var(--mix)}@media(max-width:1050px){.app{grid-template-columns:190px minmax(0,1fr)}.details{display:none}.grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:700px){.app{display:block}.sidebar nav{display:flex;overflow:auto}.sidebar a{white-space:nowrap}.content{padding:10px}.grid,.form-grid{grid-template-columns:1fr}.full{grid-column:auto}}