/* MSF Solar — one light palette, 8 px grid, 1100 px content width */
:root { --bg:#f6f7f9; --card:#ffffff; --ink:#1d2330; --muted:#6b7280; --line:#e5e7eb; --accent:#16a34a; --accent-soft:#e8f5ec;
        --pv:#e8a317; --load:#3b6fd6; --grid:#a855f7; --green:#16a34a; --amber:#d97706; --amber-soft:#fef3e2; --red:#dc2626; --red-soft:#fee2e2; --grey:#9ca3af;
        --radius:10px; --header-h:52px; }
* { box-sizing:border-box; }
html { -webkit-text-size-adjust:100%; }
body { margin:0; background:var(--bg); color:var(--ink); font:14px/1.45 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
a { color:var(--accent); }
h1 { font-size:20px; line-height:28px; margin:0 0 16px; display:flex; flex-wrap:wrap; align-items:center; gap:8px 12px; }
h2 { font-size:15px; margin:32px 0 12px; color:#374151; }
h1 + h2, .strip + h2, .note + h2 { margin-top:16px; }

/* header / main navigation as a tab bar */
header { background:var(--card); border-bottom:1px solid var(--line); position:sticky; top:0; z-index:10; }
header .inner { max-width:1100px; margin:0 auto; padding:0 16px; display:flex; flex-wrap:wrap; align-items:center; gap:0 24px; min-height:var(--header-h); }
header .brand { font-weight:700; color:var(--accent); font-size:16px; padding:12px 0; }
.tabbar { display:flex; gap:24px; overflow-x:auto; scrollbar-width:none; }
.tabbar::-webkit-scrollbar { display:none; }
.tabbar a { color:var(--muted); text-decoration:none; padding:14px 0 12px; border-bottom:2px solid transparent; white-space:nowrap; font-weight:500; }
.tabbar a.active { color:var(--accent); border-color:var(--accent); font-weight:600; }
.tabbar a:hover { color:var(--ink); }
header .meta { margin-left:auto; color:var(--muted); font-size:12px; padding:8px 0; white-space:nowrap; }
@media (max-width:800px) { header .inner { gap:0 16px; } header .meta { width:100%; padding:0 0 8px; margin-left:0; } header .tabbar { gap:16px; flex:1; flex-wrap:wrap; } .tabbar a { padding:12px 0 10px; } }

main { max-width:1100px; margin:0 auto; padding:16px 16px 48px; }
.sub-tabs { margin:0 0 16px; border-bottom:1px solid var(--line); }
.sub-tabs .tabbar a { padding:8px 0 10px; }

/* cards */
.cards { display:grid; grid-template-columns:repeat(auto-fit, minmax(160px, 1fr)); gap:12px; margin-bottom:12px; }
.card { background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:16px; }
.card .k { color:var(--muted); font-size:12px; } .card .v { font-size:22px; font-weight:600; margin-top:4px; line-height:1.2; } .card .u { font-size:13px; color:var(--muted); font-weight:400; }
.card .s { font-size:12px; color:var(--muted); margin-top:4px; }
.chart { background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:16px; height:320px; position:relative; }
.chart.short { height:240px; }

/* tables */
.scroll { overflow-x:auto; }
table { width:100%; border-collapse:collapse; background:var(--card); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; font-size:13px; }
th, td { padding:8px; border-bottom:1px solid var(--line); text-align:right; white-space:nowrap; }
th:first-child, td:first-child { text-align:left; } th.l, td.l { text-align:left; }
th { background:#f1f3f6; color:#374151; font-weight:600; }
tr:hover td { background:#fafbfc; }
tr:last-child td { border-bottom:0; }

/* status */
.dot { display:inline-block; width:10px; height:10px; border-radius:50%; margin-right:6px; vertical-align:middle; }
.green { background:var(--green); } .amber { background:var(--amber); } .red { background:var(--red); } .grey { background:var(--grey); }
.pill { display:inline-block; padding:2px 10px; border-radius:999px; font-size:12px; font-weight:500; color:#fff; line-height:18px; }
.pill.green{background:var(--green)} .pill.amber{background:var(--amber)} .pill.red{background:var(--red)} .pill.grey{background:var(--grey)}
.badge { display:inline-block; padding:1px 8px; border-radius:999px; font-size:12px; line-height:18px; font-weight:500; }
.badge.amber { background:var(--amber-soft); color:var(--amber); } .badge.red { background:var(--red-soft); color:var(--red); } .badge.green { background:var(--accent-soft); color:var(--accent); } .badge.grey { background:#eef0f3; color:var(--muted); }
.bar { display:inline-block; height:8px; background:var(--pv); border-radius:4px; vertical-align:middle; }
.muted { color:var(--muted); } .small { font-size:12px; }
.lvl-Fault { color:var(--red); font-weight:600; } .lvl-Alarm { color:var(--amber); font-weight:600; } .lvl-Tips { color:var(--muted); }
.two { display:grid; grid-template-columns:1fr 1fr; gap:12px; } @media (max-width:800px) { .two { grid-template-columns:1fr; } }
code { background:#eef0f3; padding:1px 4px; border-radius:4px; font-size:12px; }
.note { color:var(--muted); font-size:13px; margin:0 0 16px; }

/* forms */
input, select, button { font:inherit; }
input[type=text], input[type=number], input[type=password], input[type=date], input[type=time], input:not([type]), select {
  height:32px; padding:0 8px; border:1px solid var(--line); border-radius:6px; background:#fff; color:var(--ink); }
input:focus, select:focus { outline:none; border-color:var(--accent); box-shadow:0 0 0 3px rgba(22,163,74,.15); }
button { height:32px; padding:0 14px; border:1px solid var(--accent); background:var(--accent); color:#fff; border-radius:6px; cursor:pointer; font-weight:500; }
button.secondary { background:#fff; color:var(--ink); border-color:var(--line); }
button.danger { background:#fff; color:var(--red); border-color:var(--line); }
button:disabled { opacity:.5; cursor:default; }
form.range { display:flex; gap:8px 16px; align-items:center; margin-bottom:16px; flex-wrap:wrap; }
input[type=checkbox] { width:18px; height:18px; accent-color:var(--accent); margin:0; vertical-align:middle; cursor:pointer; }
.switch { position:relative; display:inline-flex; align-items:center; gap:8px; cursor:pointer; user-select:none; font-size:13px; }
.switch input { position:absolute; opacity:0; width:0; height:0; }
.switch .track { width:36px; height:20px; border-radius:999px; background:#cbd5e1; position:relative; transition:background .15s; flex:none; }
.switch .track::after { content:""; position:absolute; top:2px; left:2px; width:16px; height:16px; border-radius:50%; background:#fff; transition:left .15s; box-shadow:0 1px 2px rgba(0,0,0,.2); }
.switch input:checked + .track { background:var(--accent); } .switch input:checked + .track::after { left:18px; }
.switch input:focus-visible + .track { box-shadow:0 0 0 3px rgba(22,163,74,.25); }
.switch input:disabled + .track { opacity:.5; }
table.kv { background:transparent; border:0; } table.kv td { text-align:left; white-space:normal; border:0; padding:6px 8px 6px 0; vertical-align:middle; } table.kv td:first-child { width:280px; color:var(--muted); }
@media (max-width:800px) { table.kv td:first-child { width:130px; } }

/* summary strip */
.strip { display:flex; flex-wrap:wrap; gap:8px 32px; padding:12px 16px; background:var(--card); border:1px solid var(--line); border-radius:var(--radius); margin-bottom:16px; }
.strip .item .k { display:block; font-size:12px; color:var(--muted); } .strip .item .v { font-weight:600; }

/* rule groups and cards */
.group { position:sticky; top:var(--header-h); z-index:3; background:var(--bg); display:flex; align-items:center; gap:12px; padding:12px 0 8px; margin-top:32px; border-bottom:1px solid var(--line); cursor:pointer; }
.group.first { margin-top:8px; }
.group h2 { margin:0; flex:1; }
.group .count { color:var(--muted); font-size:13px; }
.group .chev { width:8px; height:8px; border-right:2px solid var(--muted); border-bottom:2px solid var(--muted); transform:rotate(45deg); transition:transform .15s; margin:0 4px 4px 0; }
.group.collapsed .chev { transform:rotate(-45deg); margin-bottom:0; }
.grp-body { padding-top:12px; } .grp-body.hidden { display:none; }
.rule { display:grid; grid-template-columns:minmax(0, 40%) minmax(0, 1fr); gap:12px 16px; background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:16px; margin-bottom:12px; align-items:start; transition:opacity .15s; }
.rule.off { opacity:.6; } .rule.na { color:var(--muted); background:#f3f4f6; }
.rule .who { display:flex; gap:10px; align-items:flex-start; min-width:0; }
.rule .who input[type=checkbox] { margin-top:2px; flex:none; }
.rule .title { font-weight:600; line-height:20px; } .rule .desc { color:var(--muted); font-size:12px; margin-top:4px; overflow:hidden; text-overflow:ellipsis; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; }
.rule.na .desc { -webkit-line-clamp:unset; }
.rule .controls { display:flex; flex-wrap:wrap; gap:8px 16px; align-items:center; min-width:0; }
.thr { display:inline-flex; align-items:center; gap:6px; font-size:13px; color:var(--muted); white-space:nowrap; }
.field { position:relative; display:inline-flex; align-items:center; }
.field input { text-align:right; color:var(--ink); }
.field .unit { position:absolute; right:8px; font-size:12px; color:var(--muted); pointer-events:none; }
.rule .reason { color:var(--muted); font-size:13px; }
.saved { font-size:12px; color:var(--accent); opacity:0; transition:opacity .4s; margin-left:auto; } .saved.show { opacity:1; }
@media (max-width:800px) { .rule { grid-template-columns:1fr; gap:12px; } .group { position:static; } main { padding:12px 12px 48px; } .cards { grid-template-columns:repeat(auto-fit, minmax(140px, 1fr)); } }