:root{
  --bg:#f4f7f6;
  --panel:#ffffff;
  --line:#e6ece9;
  --text:#18201c;
  --muted:#728078;
  --green:#12a84f;
  --green-dark:#0b8c40;
  --green-soft:#e9f8ef;
  --warn:#e3a008;
  --warn-soft:#fff7d6;
  --bad:#dc3545;
  --bad-soft:#fdecef;
  --shadow:0 10px 30px rgba(34,54,44,.06);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
.app-shell{display:flex;min-height:100vh}
.sidebar{width:245px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0}
.brand{padding:22px 20px;display:flex;gap:12px;align-items:center;border-bottom:1px solid var(--line)}
.brand-bars{display:flex;align-items:end;gap:3px;height:26px}
.brand-bars span{display:block;width:5px;background:var(--green);border-radius:4px}
.brand-bars span:nth-child(1){height:10px}.brand-bars span:nth-child(2){height:16px}.brand-bars span:nth-child(3){height:22px}.brand-bars span:nth-child(4){height:26px}
.brand-title{font-weight:800;font-size:15px}.brand-version{font-size:11px;color:var(--muted)}
.side-nav{padding:16px 10px;display:flex;flex-direction:column;gap:4px}
.side-nav a{padding:11px 13px;border-radius:9px;text-decoration:none;color:#344039;font-weight:600;font-size:14px;display:flex;gap:10px}
.side-nav a.active{background:var(--green-soft);color:var(--green-dark)}
.side-nav a.disabled{opacity:.35;pointer-events:none}
.sidebar-bottom{margin-top:auto;padding:18px;border-top:1px solid var(--line)}
.content-wrap{margin-left:245px;width:calc(100% - 245px)}
.topbar{height:70px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:20}
.page{padding:30px;max-width:1600px;margin:0 auto}
.page h1{font-size:28px;margin:0;font-weight:800}
.page-heading p,.muted{color:var(--muted)}
.back-link{text-decoration:none;color:#2f7de1;font-size:14px}
.project-heading{margin-top:10px;margin-bottom:12px}
.heading-meta{display:flex;gap:20px;flex-wrap:wrap;color:var(--muted);margin-top:10px;font-size:14px}
.card-soft{background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
.project-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:18px;margin-top:24px}
.project-card{padding:18px}
.project-hero{display:flex;gap:16px;margin-bottom:18px}
.project-icon{width:70px;height:70px;border-radius:12px;background:linear-gradient(145deg,#eaf8ef,#dbeee4);display:grid;place-items:center;color:var(--green-dark);font-weight:800;font-size:20px}
.project-main{flex:1}.project-main h2{font-size:18px;margin:0 0 4px;font-weight:800}
.project-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:14px;color:#5c6962;font-size:13px}
.form-card{padding:22px}.section-title{font-weight:800;font-size:17px}.card-head{padding:16px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px}
.search-input{max-width:320px}
.project-tabs{display:flex;gap:24px;border-bottom:1px solid var(--line);margin-top:20px}
.project-tabs a{text-decoration:none;color:#4c5a52;padding:12px 2px;font-weight:600}
.project-tabs a.active{color:var(--green-dark);border-bottom:3px solid var(--green)}
.stats-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:22px}
.metric-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:var(--shadow)}
.metric-card strong{display:block;font-size:30px;line-height:1}.metric-card span{display:block;color:var(--muted);margin-top:8px}
.ok-card{border-left:4px solid var(--green)}.warn-card{border-left:4px solid var(--warn)}.bad-card{border-left:4px solid var(--bad)}
.status-pill{display:inline-flex;align-items:center;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:700}
.status-pill.ok{background:var(--green-soft);color:var(--green-dark)}
.status-pill.warn{background:var(--warn-soft);color:#8a6500}
.status-pill.bad{background:var(--bad-soft);color:#b42131}
.status-pill.neutral{background:#eef2f0;color:#526058}
.dot{display:inline-block;width:10px;height:10px;border-radius:50%}
.dot.ok{background:var(--green)}.dot.late{background:var(--warn)}.dot.never{background:var(--bad)}.dot.inactive{background:#aab4af}
.modern-table th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:#6f7b75;background:#fafcfb;border-bottom:1px solid var(--line)}
.modern-table td{border-color:var(--line);font-size:14px}
.summary-list{display:flex;flex-direction:column;gap:0}
.summary-list div{display:flex;justify-content:space-between;gap:20px;padding:11px 0;border-bottom:1px solid var(--line)}
.summary-list span{color:var(--muted)}
.security-note{padding:14px;border-radius:10px;background:#fff7d6;border:1px solid #f1de93;color:#715600}
.mqtt-log{max-height:650px;overflow:auto}
.mqtt-item{padding:16px 18px;border-bottom:1px solid var(--line)}
.mqtt-line{display:flex;justify-content:space-between;gap:15px;align-items:start}
.mqtt-topic{font-weight:800}.mqtt-sub{font-size:12px;color:var(--muted);margin-top:3px}
.mqtt-item pre{margin:10px 0 0;background:#f8faf9;padding:10px;border-radius:8px;white-space:pre-wrap;word-break:break-word;font-size:12px}
.chips{display:flex;gap:7px;flex-wrap:wrap;margin-top:8px}
.chips span{font-size:11px;background:var(--green-soft);color:var(--green-dark);padding:4px 7px;border-radius:999px}
.empty-state{padding:35px;color:var(--muted);text-align:center}
.diag-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}
.diag-card{padding:16px;border:1px solid var(--line);border-radius:12px}
.diag-body{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.diag-body div{display:flex;justify-content:space-between;gap:12px}.diag-body span{color:var(--muted)}
.availability-bar{display:flex;height:22px;border-radius:999px;overflow:hidden;background:#edf1ef}.bar-ok{background:var(--green)}.bar-warn{background:var(--warn)}.bar-bad{background:var(--bad)}
.legend{display:flex;gap:18px;flex-wrap:wrap;color:#5f6b65}.legend-dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:5px}.legend-dot.ok{background:var(--green)}.legend-dot.late{background:var(--warn)}.legend-dot.never{background:var(--bad)}
.big-number{font-size:46px;font-weight:800}
code{color:#35564a;background:#f3f7f5;padding:2px 5px;border-radius:5px}
.form-control,.form-select{border-color:#dbe4df}.form-control:focus,.form-select:focus{border-color:#6fca93;box-shadow:0 0 0 .2rem rgba(18,168,79,.1)}
.btn-success{background:var(--green);border-color:var(--green)}.btn-success:hover{background:var(--green-dark);border-color:var(--green-dark)}
.btn-outline-success{color:var(--green-dark);border-color:#83cca0}.btn-outline-success:hover{background:var(--green);border-color:var(--green)}
@media(max-width:900px){
  .sidebar{width:76px}.brand-title,.brand-version,.side-nav span,.sidebar-bottom{display:none}.brand{justify-content:center}.side-nav a{justify-content:center}.content-wrap{margin-left:76px;width:calc(100% - 76px)}
  .stats-row{grid-template-columns:repeat(2,1fr)}.page{padding:20px}
}
@media(max-width:600px){
  .stats-row{grid-template-columns:1fr 1fr}.content-wrap{margin-left:0;width:100%}.sidebar{display:none}.page{padding:16px}.topbar{height:58px}.project-grid{grid-template-columns:1fr}
}

.auth-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(145deg,#f4f7f6,#eaf5ef)}.auth-wrap{width:min(460px,calc(100% - 32px))}.auth-brand{justify-content:center}.auth-card{padding:28px}.auth-card h1{font-size:24px}