:root {
  --bg: #0a0e13;
  --bg-2: #0e141c;
  --panel: #121a24;
  --panel-2: #16202c;
  --line: rgba(255, 255, 255, 0.07);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text: #e8eff7;
  --muted: #8ea0b2;
  --muted-2: #5f7081;

  --hot: #ff8a3d;
  --hot-2: #ffb24d;
  --hot-soft: rgba(255, 138, 61, 0.14);
  --cold: #35c0f0;
  --cold-2: #22d3ee;
  --cold-soft: rgba(53, 192, 240, 0.13);
  --good: #34d399;
  --warn: #fbbf24;
  --bad: #f87171;
  --violet: #a78bfa;

  --r-lg: 16px;
  --r-md: 12px;
  --r-sm: 9px;
  --shadow: 0 18px 40px -24px rgba(0, 0, 0, 0.9);
  --font-display: "Sora", "Segoe UI", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(900px 500px at 82% -8%, rgba(255, 138, 61, 0.10), transparent 60%),
    radial-gradient(820px 520px at 8% 4%, rgba(53, 192, 240, 0.10), transparent 58%),
    var(--bg);
  background-attachment: fixed;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; margin: 0; letter-spacing: -0.01em; }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ---- top bar ---------------------------------------------------------------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 28px;
  padding: 14px 28px;
  background: rgba(8, 12, 17, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: baseline; gap: 12px; }
.brand .mark {
  font-family: var(--font-display); font-weight: 700; letter-spacing: 0.22em;
  text-transform: uppercase; font-size: 15px;
}
.brand .mark b { color: var(--hot); }
.brand .sub {
  font-size: 11px; letter-spacing: 0.32em; text-transform: uppercase;
  color: var(--muted-2); padding-left: 12px; border-left: 1px solid var(--line-strong);
}
.nav { display: flex; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.nav a {
  font-size: 12.5px; color: var(--muted); padding: 7px 12px; border-radius: 999px;
  letter-spacing: 0.02em; transition: all .15s ease;
}
.nav a:hover { color: var(--text); background: var(--panel); }
.status-pill {
  display: inline-flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted);
  padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--panel);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted-2); box-shadow: 0 0 0 0 rgba(52,211,153,.6); }
.dot.live { background: var(--good); animation: pulse 2s infinite; }
.dot.off { background: var(--bad); }
@keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(52,211,153,.5);} 70%{box-shadow:0 0 0 7px rgba(52,211,153,0);} 100%{box-shadow:0 0 0 0 rgba(52,211,153,0);} }

/* ---- layout ----------------------------------------------------------------- */
.wrap { max-width: none; margin: 0; padding: 0 30px 90px; }
section { padding-top: 64px; }
.kicker {
  font-size: 11.5px; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--hot-2); margin-bottom: 10px; font-weight: 600;
}
.section-title { font-size: 26px; margin-bottom: 6px; }
.section-lead { color: var(--muted); max-width: 760px; margin-bottom: 26px; }

.panel {
  background: linear-gradient(180deg, rgba(22, 32, 44, 0.94), rgba(18, 26, 36, 0.94));
  border: 1px solid var(--line); border-radius: var(--r-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(3px);
}
.grid { display: grid; gap: 18px; }

/* ---- hero ------------------------------------------------------------------- */
.hero { padding-top: 56px; }
.hero-card { padding: 40px 38px; position: relative; overflow: hidden;
  background: linear-gradient(180deg, rgba(22, 32, 44, 0.58), rgba(18, 26, 36, 0.55)); }
.hero-card::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px 300px at 88% 18%, var(--hot-soft), transparent 70%);
  pointer-events: none;
}
.hero h1 { font-size: 42px; line-height: 1.05; max-width: 18ch; }
.hero h1 .accent { color: var(--hot); }
.hero p.tag { color: var(--muted); margin-top: 14px; max-width: 60ch; font-size: 15.5px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 28px; position: relative; z-index: 1; }
.hero-meta .item .v { font-family: var(--font-display); font-size: 22px; font-weight: 600; }
.hero-meta a { color: var(--cold-2); text-decoration: underline; }
.hero-meta .item .k { font-size: 11.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted-2); }
.hero-meta .item .v .u { font-size: 13px; color: var(--muted); margin-left: 3px; }

/* ---- explainer / cycle ------------------------------------------------------ */
.cycle-grid { grid-template-columns: 1.25fr 1fr; align-items: stretch; }
.cycle-wrap { padding: 26px; display: flex; align-items: center; justify-content: center; }
.cycle-wrap svg { width: 100%; height: auto; }
.explain { padding: 26px 28px; }
.explain h3 { font-size: 18px; margin-bottom: 10px; }
.explain p { color: var(--muted); font-size: 14.5px; margin: 0 0 14px; }
.legend { display: flex; flex-direction: column; gap: 10px; margin-top: 6px; }
.legend .row { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px; }
.legend .swatch { width: 12px; height: 12px; border-radius: 3px; margin-top: 3px; flex: none; }
.flow-dot { animation: flow 3.2s linear infinite; }

/* ---- forms ------------------------------------------------------------------ */
.cols-2 { grid-template-columns: 1fr 1fr; }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.form-card { padding: 24px 26px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label { font-size: 12px; letter-spacing: 0.04em; color: var(--muted); text-transform: uppercase; }
.field .hint { font-size: 11.5px; color: var(--muted-2); }
input, select {
  width: 100%; padding: 10px 12px; border-radius: var(--r-sm);
  background: #0c141d; border: 1px solid var(--line-strong); color: var(--text);
  font-family: var(--font-body); font-size: 14px; outline: none; transition: border-color .15s;
}
input:focus, select:focus { border-color: var(--hot); }
input[type="range"] { padding: 0; accent-color: var(--hot); }
.row-inline { display: flex; gap: 14px; }
.row-inline .field { flex: 1; }

.btn {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  font-family: var(--font-display); font-weight: 600; font-size: 13.5px;
  padding: 10px 18px; border-radius: var(--r-sm); border: 1px solid transparent;
  background: var(--hot); color: #15100a; transition: transform .08s ease, filter .15s ease;
}
.btn:hover { filter: brightness(1.07); }
.btn:active { transform: translateY(1px); }
.btn.ghost { background: transparent; border-color: var(--line-strong); color: var(--text); }
.btn.ghost:hover { background: var(--panel); }
.btn.cold { background: var(--cold); color: #04141c; }
.btn.icon { padding: 10px 13px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---- config readout + schematic --------------------------------------------- */
.config-grid { grid-template-columns: 1fr 1.1fr; align-items: stretch; }
.spec-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 22px; margin-top: 6px; }
.spec { display: flex; flex-direction: column; gap: 2px; }
.spec .k { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted-2); }
.spec .v { font-family: var(--font-mono); font-size: 16px; }
.spec .v .u { color: var(--muted); font-size: 12px; margin-left: 2px; }
.schematic-card { padding: 22px; display: flex; flex-direction: column; }
.schematic-card .cap { font-size: 12px; color: var(--muted); margin-bottom: 8px; letter-spacing: 0.04em; }
.schematic-card svg { width: 100%; height: auto; flex: 1; }
.desc { color: var(--muted); font-size: 13.5px; margin-top: 12px; }

/* ---- player ----------------------------------------------------------------- */
.player-card { padding: 22px 26px; }
.player-top { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.clock { font-family: var(--font-display); font-weight: 600; font-size: 30px; letter-spacing: 0.01em; }
.clock .date { font-size: 13px; color: var(--muted); font-weight: 400; letter-spacing: 0.04em; }
.player-controls { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.scrub { margin-top: 18px; }
.scrub-row { display: flex; align-items: center; gap: 14px; }
.scrub-row input[type="range"] { flex: 1; }
.speed-row { display: flex; align-items: center; gap: 12px; margin-top: 14px; font-size: 13px; color: var(--muted); }
.speed-row input[type="range"] { width: 200px; }
.tag-weather { display: inline-flex; gap: 16px; flex-wrap: wrap; }
.tag-weather .chip {
  font-size: 12px; color: var(--muted); border: 1px solid var(--line); border-radius: 999px;
  padding: 5px 12px; background: #0c141d;
}
.tag-weather .chip b { color: var(--text); font-family: var(--font-mono); }
.src-badge { font-size: 11px; padding: 3px 9px; border-radius: 999px; letter-spacing: 0.04em; }
.src-badge.live { background: rgba(52,211,153,.14); color: var(--good); }
.src-badge.synthetic { background: rgba(251,191,36,.14); color: var(--warn); }

/* ---- dashboard cards -------------------------------------------------------- */
.cards { grid-template-columns: repeat(4, 1fr); }
.metric { padding: 16px 18px; border-radius: var(--r-md); background: rgba(18, 26, 36, 0.92); border: 1px solid var(--line); position: relative; overflow: hidden; }
.metric .k { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted-2); }
.metric .v { font-family: var(--font-mono); font-size: 27px; margin-top: 6px; font-weight: 500; }
.metric .v .u { font-size: 13px; color: var(--muted); margin-left: 3px; }
.metric.hot { border-color: rgba(255,138,61,.32); }
.metric.hot .v { color: var(--hot-2); }
.metric.cold { border-color: rgba(53,192,240,.30); }
.metric.cold .v { color: var(--cold-2); }
.metric.good .v { color: var(--good); }
.metric .spark { position: absolute; right: 0; bottom: 0; opacity: .5; }

.gauge-row { grid-template-columns: repeat(3, 1fr); }
.gauge-card { padding: 18px; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.gauge-card .label { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.gauge-card svg { width: 100%; max-width: 210px; height: auto; }

.state-banner {
  display: flex; align-items: center; gap: 14px; padding: 14px 20px; border-radius: var(--r-md);
  border: 1px solid var(--line); background: var(--panel); margin-bottom: 18px;
}
.state-banner .led { width: 12px; height: 12px; border-radius: 50%; background: var(--muted-2); }
.state-banner .led.heating { background: var(--hot); box-shadow: 0 0 12px var(--hot); }
.state-banner .led.hot_water { background: var(--cold-2); box-shadow: 0 0 12px var(--cold-2); }
.state-banner .led.defrost { background: var(--violet); box-shadow: 0 0 12px var(--violet); }
.state-banner .led.aux_only { background: var(--warn); box-shadow: 0 0 12px var(--warn); }
.state-banner .led.passive_cooling { background: var(--cold); box-shadow: 0 0 12px var(--cold); }
.state-banner .led.off { background: var(--muted-2); }
.state-banner .txt b { font-family: var(--font-display); }
.state-banner .txt .sub { color: var(--muted); font-size: 13px; }

.chart-grid { grid-template-columns: 1fr 1fr; }
.chart-card { padding: 20px 22px; }
.chart-card h4 { font-size: 14px; margin-bottom: 14px; color: var(--text); }
.chart-card .canvas-box { position: relative; height: 240px; }
.chart-fallback { display: flex; align-items: center; justify-content: center; height: 240px;
  text-align: center; color: var(--muted); font-size: 13px; border: 1px dashed var(--line-strong);
  border-radius: var(--r-md); padding: 0 24px; }

/* ---- modbus ----------------------------------------------------------------- */
.modbus-head { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.mb-info { display: inline-flex; gap: 14px; flex-wrap: wrap; }
.mb-info .chip { font-size: 12px; color: var(--muted); border: 1px solid var(--line); border-radius: 8px; padding: 6px 11px; background: #0c141d; }
.mb-info .chip b { color: var(--text); font-family: var(--font-mono); }
.toolbar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar input[type="text"] { width: 280px; }
.toolbar .check { display: inline-flex; gap: 8px; align-items: center; font-size: 13px; color: var(--muted); }
.toolbar select { width: auto; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-md); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  text-align: left; padding: 11px 14px; font-family: var(--font-display); font-weight: 600;
  font-size: 11.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
  background: #0c141d; position: sticky; top: 0; border-bottom: 1px solid var(--line);
}
tbody td { padding: 10px 14px; border-bottom: 1px solid var(--line); }
tbody tr:hover { background: rgba(255,255,255,0.02); }
td.num, th.num { font-family: var(--font-mono); text-align: right; }
.badge { font-size: 10.5px; padding: 2px 7px; border-radius: 5px; letter-spacing: 0.05em; }
.badge.input { background: var(--cold-soft); color: var(--cold-2); }
.badge.holding { background: var(--hot-soft); color: var(--hot-2); }
.badge.live { background: rgba(52,211,153,.15); color: var(--good); margin-left: 6px; }
.pager { display: flex; align-items: center; gap: 14px; justify-content: flex-end; margin-top: 14px; color: var(--muted); font-size: 13px; }

footer { color: var(--muted-2); font-size: 12.5px; text-align: center; padding: 40px 0 10px; border-top: 1px solid var(--line); margin-top: 60px; }
footer b { color: var(--muted); }

@keyframes flow { from { offset-distance: 0%; } to { offset-distance: 100%; } }

/* ---- weather / sun strip (dashboard) --------------------------------------- */
.wx-strip {
  display: flex; flex-wrap: wrap; align-items: center; gap: 26px;
  padding: 16px 20px; margin-bottom: 16px;
}
.wx-item { display: flex; align-items: center; gap: 11px; }
.wx-ic { font-size: 22px; line-height: 1; filter: saturate(1.1); }
.wx-v { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 17px; font-weight: 600; color: var(--text); }
.wx-v.importing { color: var(--hot-2); }
.wx-v.exporting { color: var(--good); }
.wx-k { font-size: 11px; color: var(--muted-2); letter-spacing: 0.03em; text-transform: uppercase; }
.wx-src { margin-left: auto; font-size: 11.5px; color: var(--muted-2); }
.wx-src.live { color: var(--good); }
.wx-src.synthetic { color: var(--warn); }

/* energy chart spans the full width above the paired temp / power charts */
.chart-card.wide { grid-column: 1 / -1; }

/* ---- brand logo + big translucent clock ------------------------------------ */
.brand-logo { height: 34px; width: auto; border-radius: 6px; margin-left: 6px; flex: 0 0 auto; }
.big-clock {
  position: fixed; right: 4vw; bottom: 5vh; z-index: 5; pointer-events: none;
  font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 700;
  font-size: clamp(60px, 13vw, 200px); line-height: 1; letter-spacing: 2px;
  color: var(--text); opacity: 0.07; user-select: none;
}
.big-temp {
  position: fixed; left: 4vw; bottom: 5vh; z-index: 5; pointer-events: none;
  font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 700;
  font-size: clamp(60px, 13vw, 200px); line-height: 1; letter-spacing: 2px;
  color: var(--text); opacity: 0.07; user-select: none;
}

/* ---- weather particle canvas ----------------------------------------------- */
.weather-canvas { position: fixed; inset: 0; z-index: -1; pointer-events: none; }

/* Keep light text on the (possibly bright daytime) page background readable. */
.hero h1, .hero p.tag, .kicker, .section-title, .section-lead, .explain-divider span, footer {
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.55);
}

/* ---- live energy scene ----------------------------------------------------- */
.scene-card { padding: 14px 16px; margin-bottom: 16px; position: relative; }
.scene-card svg { width: 100%; height: auto; display: block; }

/* SG Ready overlaid on the scene, centred under the heat pump */
.sg-overlay {
  position: absolute; left: calc(50% + 1.3cm); bottom: 12px; transform: translateX(-50%);
  display: flex; align-items: center; gap: 16px;
  background: rgba(10, 15, 21, 0.85); border: 1px solid var(--line-strong);
  border-radius: 12px; padding: 8px 16px; backdrop-filter: blur(4px);
  box-shadow: var(--shadow); max-width: 92%;
}
.sg-overlay .sg-logo { height: 34px; }
.sg-overlay .dip-sw { width: 26px; height: 42px; }
.sg-controls { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.sg-controls .sg-title { font-size: 13px; }
.sg-controls .sg-state { text-align: center; }
.sg-controls .sg-switches { margin-left: 0; }
@media (max-width: 760px) { .sg-overlay { position: static; transform: none; margin-top: 12px; max-width: none; } }

/* ---- icon toggle (sound) --------------------------------------------------- */
.icon-toggle {
  background: transparent; border: 1px solid var(--line-strong); border-radius: 8px;
  color: var(--muted); cursor: pointer; font-size: 15px; line-height: 1; padding: 5px 9px;
  transition: background 0.15s, color 0.15s;
}
.icon-toggle:hover { color: var(--text); }
.icon-toggle.on { background: var(--cold-soft); color: var(--cold-2); border-color: var(--cold-2); }

/* live-mode button highlight */
.btn.live-on { background: var(--bad); color: #fff; border-color: var(--bad); }
/* heat-pump-off button highlight */
.btn.hp-off { background: var(--warn); color: #1a1208; border-color: var(--warn); }

/* ---- language switch -------------------------------------------------------- */
.lang-switch { display: inline-flex; gap: 2px; border: 1px solid var(--line-strong); border-radius: 7px; overflow: hidden; }
.lang-switch button {
  background: transparent; color: var(--muted); border: 0; cursor: pointer;
  font-family: var(--font-mono); font-size: 11.5px; font-weight: 600; letter-spacing: 0.04em;
  padding: 5px 9px; transition: background 0.15s, color 0.15s;
}
.lang-switch button:hover { color: var(--text); }
.lang-switch button.active { background: var(--cold-soft); color: var(--cold-2); }

/* ---- dynamic sky background (irradiance-driven) ---------------------------- */
.sky-layer {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  transition: background 1.2s linear, opacity 1.2s linear;
}

/* ---- three headline dashboards --------------------------------------------- */
.dash-row { grid-template-columns: repeat(3, 1fr); margin-top: 4px; }
.dash-card { padding: 22px 24px; position: relative; overflow: hidden; }
.dash-card::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 4px;
}
.dash-card.grid-dash::before { background: var(--cold-2); }
.dash-card.pv-dash::before { background: var(--good); }
.dash-card.heat-dash::before { background: var(--hot); }
.dash-head { display: flex; align-items: center; gap: 10px; color: var(--muted); }
.dash-clock { margin-left: auto; font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 12px; color: var(--muted); white-space: nowrap; }
.dash-ic { font-size: 20px; }
.dash-title { font-family: var(--font-display); font-size: 14px; letter-spacing: 0.02em; }
.dash-big {
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: 44px; font-weight: 600; line-height: 1.05; margin: 12px 0 2px; color: var(--text);
}
.dash-big .dash-u { font-size: 17px; color: var(--muted); margin-left: 8px; font-weight: 500; }
.dash-big .importing { color: var(--hot-2); }
.dash-big .exporting { color: var(--good); }
.dash-state { font-size: 12.5px; color: var(--muted); min-height: 16px; }
.dash-subs { display: flex; gap: 28px; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); }
.dash-subs > div { display: flex; flex-direction: column; gap: 3px; }
.dash-k { font-size: 10.5px; color: var(--muted-2); letter-spacing: 0.03em; text-transform: uppercase; }
.dash-sv { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 15px; color: var(--text); }

/* partner logo (top-right) */
.partner-link { display: inline-flex; flex: 0 0 auto; }
.partner-logo { background: #fff; padding: 3px 7px; }

/* header date + time */
.header-clock { font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: 13px; color: var(--muted); white-space: nowrap; }

/* top-right weather block */
.wx-block { position: fixed; top: 70px; right: 16px; z-index: 6; width: 210px;
  padding: 12px 14px; font-size: 12.5px; }
.wx-block-title { font-family: var(--font-display); font-size: 12px; letter-spacing: 0.05em;
  text-transform: uppercase; color: var(--muted-2); margin-bottom: 8px; }
.wx-block .wx-row { display: flex; justify-content: space-between; gap: 10px; padding: 3px 0; color: var(--muted); }
.wx-block .wx-row b { color: var(--text); font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.wx-block .wx-row.datetime { margin-top: 6px; border-top: 1px solid var(--line); padding-top: 6px; }
.wx-block .wx-row.datetime b { color: var(--text); }
.wx-block .wx-row.src { margin-top: 6px; color: var(--muted-2); font-size: 11px; }
@media (max-width: 1100px) { .wx-block { display: none; } }

/* SG Ready + DIP switches */
.sg-card { margin-top: 18px; padding: 16px 20px; }
.sg-head { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.sg-logo { height: 54px; width: auto; border-radius: 6px; background: #fff; padding: 4px 6px; }
.sg-meta { display: flex; flex-direction: column; gap: 3px; }
.sg-title { font-family: var(--font-display); font-size: 15px; color: var(--text); }
.sg-state { font-size: 13px; color: var(--good); font-family: var(--font-mono); }
.sg-switches { display: flex; gap: 18px; margin-left: auto; }
.dip { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.dip-num { font-size: 11px; color: var(--muted-2); font-family: var(--font-mono); }
.dip-sw { width: 30px; height: 52px; border-radius: 7px; border: 1px solid var(--line-strong);
  background: #0a0f15; position: relative; cursor: pointer; padding: 0; }
.dip-sw::after { content: ""; position: absolute; left: 4px; right: 4px; height: 20px; border-radius: 4px;
  bottom: 4px; background: var(--muted-2); transition: all 0.15s; }
.dip-sw.on { border-color: var(--good); }
.dip-sw.on::after { bottom: auto; top: 4px; background: var(--good); }
.sg-hint { margin-top: 12px; font-size: 11.5px; color: var(--muted-2); }

/* ---- electricity meter (Stromzähler) --------------------------------------- */
.meter-card { padding: 18px 22px; margin-top: 16px; }
.meter-head { display: flex; align-items: center; gap: 10px; color: var(--muted);
  font-family: var(--font-display); font-size: 14px; margin-bottom: 14px; }
.meter-row { display: flex; flex-wrap: wrap; gap: 16px; }
.meter { flex: 1; min-width: 190px; background: rgba(10, 15, 21, 0.86); border: 1px solid var(--line-strong);
  border-radius: 9px; padding: 12px 15px; }
.meter .lbl { font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--muted-2); margin-bottom: 7px; }
.meter .digits { font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: 25px; font-weight: 600; letter-spacing: 2px; color: #d7f0ff; }
.meter .digits .u { font-size: 12px; color: var(--muted); letter-spacing: 0; margin-left: 7px; }
.meter.import .digits { color: #ffd9b0; }
.meter.export .digits { color: #bff0d0; }
.meter.pv .digits { color: #e9ffce; }

/* ---- explanation divider ---------------------------------------------------- */
.explain-divider {
  display: flex; align-items: center; gap: 18px;
  margin: 56px 0 8px; color: var(--muted-2);
  font-family: var(--font-display); font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase;
}
.explain-divider::before, .explain-divider::after {
  content: ""; flex: 1; height: 1px; background: var(--line-strong);
}

/* ---- responsive ------------------------------------------------------------- */
@media (max-width: 980px) {
  .cycle-grid, .config-grid, .chart-grid, .cols-2 { grid-template-columns: 1fr; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .gauge-row { grid-template-columns: 1fr; }
  .nav { display: none; }
  .hero h1 { font-size: 32px; }
  .wx-strip { gap: 18px; }
  .wx-src { margin-left: 0; width: 100%; }
  .dash-row { grid-template-columns: 1fr; }
}