:root{
  --bg:#0e1626; --panel:#15203a; --panel2:#1b2942; --line:#27365a;
  --text:#e7edf7; --muted:#8aa0c4; --accent:#3b82f6; --accent2:#34d399;
  --warn:#fbbf24; --bad:#f87171; --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  background:var(--bg); color:var(--text);
  font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
a{color:var(--accent);text-decoration:none}
.layout{display:flex;min-height:100vh}

/* sidebar */
.sidebar{
  width:220px;flex:0 0 220px;background:var(--panel);
  border-right:1px solid var(--line);display:flex;flex-direction:column;padding:18px 14px;
}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 18px}
.bolt{font-size:26px}
.brand-title{font-weight:700;font-size:18px}
.brand-sub{color:var(--muted);font-size:12px}
nav{display:flex;flex-direction:column;gap:4px}
.nav-item{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;
  color:var(--text);font-weight:500;
}
.nav-item:hover{background:var(--panel2)}
.nav-item.active{background:var(--accent);color:#fff}
.ico{width:20px;text-align:center}
.sidebar-foot{margin-top:auto;display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;padding:8px}
.dot{width:9px;height:9px;border-radius:50%}
.dot-green{background:var(--accent2);box-shadow:0 0 8px var(--accent2)}
.dot-gray{background:#5b6b8a}
.dot-red{background:var(--bad)}

/* content */
.content{flex:1;padding:26px 30px;max-width:1280px}
.page-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:18px}
.page-head h1{margin:0;font-size:24px}
.updated{color:var(--muted);font-size:13px}

.grid{display:grid;gap:16px;margin-bottom:16px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:1.2fr 1fr 1fr}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:16px}
.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;gap:12px;flex-wrap:wrap}
.head-right{display:flex;align-items:center;gap:12px}
.card-label{color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.04em;font-weight:600}
.mini-label{color:var(--muted);font-size:12px;margin-bottom:4px}
.stat-big{font-size:38px;font-weight:700;line-height:1.1;margin:6px 0}
.stat-big small{font-size:16px;color:var(--muted);margin-left:6px;font-weight:500}
.stat-sub{color:var(--muted);font-size:13px}
.stat-row{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid var(--line)}
.stat-row:last-child{border-bottom:0}

/* gauge */
.big-gauge .gauge-wrap{position:relative;display:flex;justify-content:center}
.gauge-value{position:absolute;bottom:6px;left:0;right:0;text-align:center;font-size:40px;font-weight:700}
.gauge-value small{font-size:16px;color:var(--muted);margin-left:4px}

/* banner */
.banner{background:#3a2a12;border:1px solid #6b4d1c;color:#f7d999;padding:12px 16px;border-radius:10px;margin-bottom:16px}
.hidden{display:none}

/* buttons / forms */
.btn{background:var(--panel2);border:1px solid var(--line);color:var(--text);padding:8px 14px;border-radius:9px;cursor:pointer;font-weight:600}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn:disabled{opacity:.5;cursor:default}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(max-width:760px){.form-grid{grid-template-columns:1fr}}
.form-grid label{display:flex;flex-direction:column;gap:5px;font-size:13px;color:var(--muted)}
.form-grid input{background:var(--bg);border:1px solid var(--line);color:var(--text);padding:9px 11px;border-radius:8px;font-size:14px}
.row-actions{display:flex;align-items:center;gap:12px;margin-top:14px}
.inline-field{display:flex;flex-direction:column;gap:6px;font-size:14px;margin:6px 0;max-width:420px}
.inline-field input{background:var(--bg);border:1px solid var(--line);color:var(--text);padding:9px 11px;border-radius:8px;font-size:14px}
.small{font-size:12px}
.btn.slim{padding:4px 10px;font-size:13px}

/* appliance table */
.table-wrap{overflow-x:auto}
.appliance-table{width:100%;border-collapse:collapse;font-size:14px}
.appliance-table th{text-align:left;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.03em;font-weight:600;padding:8px 10px;border-bottom:1px solid var(--line)}
.appliance-table td{padding:10px;border-bottom:1px solid var(--line)}
.appliance-table tr:last-child td{border-bottom:0}
.appliance-table tr:hover td{background:var(--panel2)}
.tag.warn{background:#3a2f12;color:var(--warn)}

/* modal */
.modal{position:fixed;inset:0;background:rgba(6,10,20,.65);display:flex;align-items:center;justify-content:center;z-index:50}
.modal.hidden{display:none}
.modal-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px;width:min(440px,92vw);box-shadow:0 20px 60px rgba(0,0,0,.5)}
.modal-title{font-size:18px;font-weight:700;margin-bottom:4px}
.modal-card input{width:100%;margin-top:12px;background:var(--bg);border:1px solid var(--line);color:var(--text);padding:10px 12px;border-radius:8px;font-size:15px}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.chip{background:var(--panel2);border:1px solid var(--line);color:var(--text);padding:6px 12px;border-radius:20px;cursor:pointer;font-size:13px}
.chip:hover{border-color:var(--accent);background:var(--accent);color:#fff}

/* routines */
.routine-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px;margin-top:8px}
.routine{display:flex;gap:12px;background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:12px}
.routine-time{font-size:18px;font-weight:700;color:var(--text);white-space:nowrap;min-width:64px}
.routine-body{flex:1;min-width:0}
.routine-name{margin-bottom:2px}
.freqbar{height:5px;background:var(--bg);border-radius:3px;overflow:hidden;margin:6px 0}
.freqbar span{display:block;height:100%;background:linear-gradient(90deg,#34d399,#60a5fa)}

/* currently-running strip */
.active-strip{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:10px 0 2px}
.active-pill{display:inline-flex;align-items:center;gap:7px;background:rgba(52,211,153,.12);border:1px solid #1f5e3f;color:var(--text);padding:5px 11px;border-radius:20px;font-size:13px;cursor:pointer}
.active-pill:hover{border-color:var(--accent2)}

/* scan / diag results */
.result-row,.diag-step{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px;border:1px solid var(--line);border-radius:10px;margin-top:10px;background:var(--panel2)}
.diag{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.diag-step{justify-content:flex-start;gap:12px}
.diag-step.ok{border-color:#1f5e3f}
.diag-step.bad{border-color:#5e2424}
.diag-ic{font-size:18px;width:22px;text-align:center}
.diag-step.ok .diag-ic{color:var(--accent2)}
.diag-step.bad .diag-ic{color:var(--bad)}

.tag{display:inline-block;font-size:11px;font-weight:700;padding:2px 8px;border-radius:20px;text-transform:uppercase;letter-spacing:.03em}
.tag.on{background:#123a2a;color:var(--accent2)}
.tag.off{background:#3a1f1f;color:var(--bad)}

.muted{color:var(--muted)}
code{background:var(--bg);padding:1px 6px;border-radius:5px;font-size:13px}

/* signatures */
.sig-grid{display:grid;grid-template-columns:1fr 2fr;gap:24px;margin-top:8px}
@media(max-width:760px){.sig-grid{grid-template-columns:1fr}}
.lean-list,.suggest-list{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}
.suggest-list li{background:var(--panel2);border-left:3px solid var(--accent);padding:9px 12px;border-radius:8px}
.events{margin-top:14px}
.events summary{cursor:pointer;color:var(--muted)}

/* segmented control */
.seg{display:inline-flex;background:var(--bg);border:1px solid var(--line);border-radius:9px;overflow:hidden}
.seg button{background:none;border:0;color:var(--muted);padding:6px 12px;cursor:pointer;font-weight:600}
.seg button.on{background:var(--accent);color:#fff}

/* heatmap */
.heatmap{display:grid;grid-template-columns:auto repeat(24,1fr);gap:2px;margin-top:10px;font-size:11px}
.heatmap .hm-cell{height:18px;border-radius:3px}
.heatmap .hm-head{color:var(--muted);text-align:center}
.heatmap .hm-row-label{color:var(--muted);padding-right:6px;display:flex;align-items:center}