/* Blog satu kolom. Header kecil, artikel ~65 karakter, tautan sebelumnya/berikutnya di bawah. */
:root {
  --bg: #f4f3ef;
  --panel: #ffffff;
  --fg: #1d2326;
  --muted: #5b6569;
  --line: #dcdcd4;
  --accent: #c7600f;
  --accent-soft: #fbe9d9;
  --ok: #2f7a45;
  --warn: #9a6200;
  --bad: #b3261e;
  --ok-bg: #e3f1e6;
  --warn-bg: #fbefd4;
  --bad-bg: #f9e0dd;
  --lit: #fde7a1;
  --lit-fg: #b87900;
  --pick: #2563eb;
  --pick-soft: #dbe7ff;
  --f-display: "Barlow Semi Condensed", "Arial Narrow", system-ui, sans-serif;
  --f-body: "Source Serif 4", Georgia, "Times New Roman", serif;
  --f-ui: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #15191b; --panel: #1d2326; --fg: #e6e9e6; --muted: #9aa4a6; --line: #333b3e;
    --accent: #f08a3a; --accent-soft: #3a2616; --ok: #6cc585; --warn: #e7b34a; --bad: #f07a70;
    --ok-bg: #1c3224; --warn-bg: #392d13; --bad-bg: #3c1e1b; --lit: #4d3c10; --lit-fg: #ffcf4d; --pick: #6ea8ff; --pick-soft: #16284a; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #15191b; --panel: #1d2326; --fg: #e6e9e6; --muted: #9aa4a6; --line: #333b3e;
  --accent: #f08a3a; --accent-soft: #3a2616; --ok: #6cc585; --warn: #e7b34a; --bad: #f07a70;
  --ok-bg: #1c3224; --warn-bg: #392d13; --bad-bg: #3c1e1b; --lit: #4d3c10; --lit-fg: #ffcf4d; --pick: #6ea8ff; --pick-soft: #16284a; color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--f-body); font-size: 18px; line-height: 1.65; }
/* sidebar kiri + konten tengah; di layar sempit sidebar jadi laci */
.layout { display: grid; grid-template-columns: 270px minmax(0, 1fr); max-width: 1180px; margin: 0 auto; }
.main { min-width: 0; }
.wrap { max-width: 700px; margin: 0 auto; padding-inline: 32px; padding-block: 40px 64px; }
.side { position: sticky; top: 0; height: 100vh; overflow-y: auto; border-right: 1px solid var(--line); padding: 24px 16px 40px; font-family: var(--f-ui); font-size: .95rem; background: var(--bg); }
.side .name { font-family: var(--f-display); font-weight: 700; font-size: 1.25rem; color: var(--fg); text-decoration: none; display: block; line-height: 1.15; }
.side .tag { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin: 4px 0 16px; }
.side ul { list-style: none; padding: 0; margin: 0 0 8px; }
.side li { margin: 0; }
.side a:not(.name) { display: block; padding: 5px 10px; border-radius: 6px; color: var(--fg); text-decoration: none; line-height: 1.3; }
.side a:not(.name):hover { background: var(--panel); }
.side a[aria-current="page"] { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.side .grp { font-family: var(--f-display); font-weight: 600; font-size: .75rem; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); padding: 14px 10px 4px; }
.side details { margin: 0 0 4px 10px; }
.side summary { cursor: pointer; font-size: .85rem; color: var(--muted); padding: 3px 10px; }
.side .sub { border-left: 1px solid var(--line); margin-left: 12px; }
.side .sub a { font-size: .88rem; padding: 3px 10px; }
.topbar { display: none; }
.scrim { position: fixed; inset: 0; background: rgba(0,0,0,.35); z-index: 9; }
.menu-btn { font: inherit; font-family: var(--f-display); font-weight: 600; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--panel); color: var(--fg); cursor: pointer; }
@media (max-width: 900px) {
  .layout { display: block; }
  .wrap { padding-inline: 16px; padding-block: 24px 64px; }
  .topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; position: sticky; top: env(safe-area-inset-top, 0px); z-index: 8; height: 56px; background: var(--bg); border-bottom: 1px solid var(--line); padding: 0 16px; font-family: var(--f-ui); }
  .topbar .name { font-family: var(--f-display); font-weight: 700; font-size: 1.15rem; color: var(--fg); text-decoration: none; }
  .side { position: fixed; top: 0; left: 0; bottom: 0; height: auto; width: min(85vw, 300px); z-index: 10; transform: translateX(-100%); transition: transform .2s; padding-top: calc(24px + env(safe-area-inset-top, 0px)); }
  .side.open { transform: none; box-shadow: 0 0 40px rgba(0,0,0,.3); }
  .status { top: calc(52px + env(safe-area-inset-top, 0px)); }
}
@media (prefers-reduced-motion: reduce) { .side { transition: none; } }
a { color: var(--accent); overflow-wrap: anywhere; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
h1, h2, h3 { font-family: var(--f-display); text-wrap: balance; line-height: 1.15; }
h1 { font-size: 2.3rem; font-weight: 700; margin: 0 0 8px; }
h2 { font-size: 1.5rem; font-weight: 700; margin: 36px 0 8px; }
h3 { font-size: 1.15rem; font-weight: 600; margin: 24px 0 6px; }
p, ul, ol { margin: 0 0 16px; }
ol, ul { padding-left: 1.3em; }
li { margin-bottom: 6px; }
li::marker { font-family: var(--f-mono); color: var(--accent); }
strong { font-weight: 600; }
.lead { font-size: 1.2rem; }
.muted { color: var(--muted); }
.small { font-size: .9rem; }

/* post meta */
.meta { font-family: var(--f-ui); font-size: .85rem; color: var(--muted); display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 24px; }
.cat { font-family: var(--f-mono); font-size: .7rem; letter-spacing: .06em; text-transform: uppercase; color: var(--accent); background: var(--accent-soft); padding: 2px 8px; border-radius: 4px; }
.back { font-family: var(--f-ui); font-size: .9rem; display: inline-block; margin-bottom: 20px; }

/* home list */
.intro { margin-bottom: 32px; }
.posts { list-style: none; padding: 0; margin: 0; }
.posts li { margin: 0; padding: 20px 0; border-bottom: 1px solid var(--line); }
.posts li:first-child { padding-top: 0; }
.posts a.t { font-family: var(--f-display); font-weight: 700; font-size: 1.35rem; line-height: 1.2; color: var(--fg); text-decoration: none; display: block; margin: 6px 0 4px; }
.posts a.t:hover { color: var(--accent); }
.posts p { margin: 0; color: var(--muted); font-size: 1rem; }
.pin { border: 2px solid var(--accent); border-radius: 10px; padding: 16px 18px; margin-bottom: 32px; background: var(--panel); }
.pin .big { font-family: var(--f-display); font-weight: 700; font-size: 2rem; line-height: 1.1; }

/* tables */
.tbl { overflow-x: auto; margin: 0 0 20px; }
table { border-collapse: collapse; width: 100%; font-family: var(--f-ui); font-size: .95rem; }
th, td { text-align: left; padding: 9px 12px 9px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-family: var(--f-display); font-weight: 600; font-size: .8rem; letter-spacing: .05em; text-transform: uppercase; color: var(--muted); }
td.num, th.num { text-align: right; white-space: nowrap; font-family: var(--f-mono); font-size: .85rem; font-variant-numeric: tabular-nums; }

.note { font-family: var(--f-ui); font-size: .95rem; border-left: 3px solid var(--accent); background: var(--panel); padding: 10px 14px; border-radius: 0 6px 6px 0; margin: 0 0 20px; }
.note.bad { border-left-color: var(--bad); background: var(--bad-bg); }

/* remote */
.remote { display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap; padding: 16px; border-radius: 10px; background: var(--panel); border: 1px solid var(--line); margin: 0 0 20px; font-family: var(--f-ui); }
.key { font-family: var(--f-display); font-weight: 700; padding: 8px 14px; border-radius: 999px; border: 2px solid var(--line); text-align: center; line-height: 1.1; }
.key small { display: block; font-family: var(--f-ui); font-weight: 600; font-size: .72rem; margin-top: 2px; }
.key.no { border-color: var(--bad); color: var(--bad); }
.key.yes { border-color: var(--ok); color: var(--ok); }
.key.mid { border-radius: 50%; width: 60px; height: 60px; display: grid; place-items: center; padding: 0; }

/* prev / next */
.pn { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); font-family: var(--f-ui); }
.pn a { text-decoration: none; color: var(--fg); display: grid; gap: 2px; min-width: 0; }
.pn a span { font-size: .8rem; color: var(--muted); }
.pn a b { font-family: var(--f-display); font-weight: 600; font-size: 1.05rem; line-height: 1.2; }
.pn a:hover b { color: var(--accent); }
.pn .next { text-align: right; grid-column: 2; }

/* catalog */
.products { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.products li { margin: 0; }
.products a { display: grid; grid-template-columns: auto 1fr auto; gap: 2px 12px; align-items: center; text-decoration: none; color: var(--fg); background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; font-family: var(--f-ui); }
.products a:hover { border-color: var(--accent); }
.products .n { font-family: var(--f-display); font-weight: 700; font-size: 1.1rem; }
.products .m { color: var(--muted); font-size: .85rem; grid-column: 2; }
.products .w { font-family: var(--f-mono); font-size: .8rem; text-align: right; grid-row: 1 / 3; grid-column: 3; font-variant-numeric: tabular-nums; }
.specs { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 0 0 24px; font-family: var(--f-ui); }
.spec { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; display: grid; gap: 2px; min-width: 0; }
.spec .k { font-family: var(--f-display); font-weight: 600; font-size: .78rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.spec .v { font-family: var(--f-mono); font-size: 1.3rem; line-height: 1.25; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }

/* checklist */
.todo { display: grid; gap: 14px; margin: 0 0 20px; font-family: var(--f-ui); }
.todo label { display: flex; gap: 12px; align-items: flex-start; cursor: pointer; }
.todo input { width: 22px; height: 22px; margin-top: 3px; accent-color: var(--accent); flex: none; }
.todo input:checked + span { color: var(--muted); text-decoration: line-through; }

/* load checker */
.calc { font-family: var(--f-ui); display: grid; gap: 16px; }
.status { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 3; background: var(--bg); padding-block: 10px; display: grid; gap: 6px; border-bottom: 1px solid var(--line); }
.status-top { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.total { font-family: var(--f-mono); font-size: 1.5rem; font-variant-numeric: tabular-nums; }
.left { font-size: .85rem; color: var(--muted); margin-left: auto; }
.gauge { position: relative; height: 12px; border-radius: 4px; overflow: hidden; display: flex; }
.gauge .z { height: 100%; }
.z-ok { background: var(--ok-bg); } .z-edge { background: var(--warn-bg); } .z-heat { background: var(--bad-bg); } .z-fast { background: var(--bad); opacity: .45; }
.mark { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--fg); opacity: .55; }
.range { position: absolute; top: 3px; height: 6px; background: var(--fg); border-radius: 3px; transition: left .2s, width .2s; }
.calc .msg { font-size: .9rem; }
@media (prefers-reduced-motion: reduce) { .range { transition: none; } }
.chip { display: inline-block; font-family: var(--f-display); font-weight: 700; font-size: .85rem; letter-spacing: .04em; text-transform: uppercase; padding: 2px 10px; border-radius: 999px; white-space: nowrap; }
.chip.ok { background: var(--ok-bg); color: var(--ok); }
.chip.warn { background: var(--warn-bg); color: var(--warn); }
.chip.bad { background: var(--bad-bg); color: var(--bad); }
.presets { display: flex; flex-wrap: wrap; gap: 6px; }
.btn { font: inherit; font-size: .9rem; font-family: var(--f-display); font-weight: 600; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--panel); color: var(--fg); cursor: pointer; }
.btn[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); }
.ctl { display: grid; gap: 6px; }
.lbl { font-family: var(--f-display); font-weight: 600; font-size: .78rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg label { cursor: pointer; padding: 7px 11px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); font-size: .9rem; line-height: 1.2; }
.seg label small { display: block; font-family: var(--f-mono); font-size: .68rem; color: var(--muted); }
.seg input:checked + label { border-color: var(--accent); background: var(--accent-soft); font-weight: 600; }
.seg input:focus-visible + label { outline: 2px solid var(--accent); outline-offset: 2px; }
.stepper { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--panel); width: max-content; }
.stepper button { font: inherit; font-size: 1.2rem; width: 44px; height: 38px; border: 0; background: transparent; color: var(--fg); cursor: pointer; }
.stepper output { min-width: 3em; text-align: center; font-family: var(--f-mono); }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 6px; }
.tile { font: inherit; text-align: left; cursor: pointer; display: grid; gap: 1px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); color: var(--fg); min-width: 0; }
.tile .nm { font-weight: 600; font-size: .92rem; line-height: 1.2; }
.tile .pr { font-size: .72rem; font-weight: 600; display: flex; align-items: center; gap: 5px; }
.tile .pr::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; flex: none; }
.tile[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); }
.tile[aria-pressed="true"] .nm::before { content: "✓ "; color: var(--accent); }
.tile[aria-pressed="true"] .pr { color: var(--muted); }
.tile[aria-pressed="true"] .pr::before { display: none; }
.pr.ok { color: var(--ok); } .pr.warn { color: var(--warn); } .pr.bad { color: var(--bad); }

/* cek beban: langkah dan hasil */
.setting-line { font-family: var(--f-ui); font-size: .95rem; margin: 0; }
.step { display: grid; gap: 12px; }
.step h2 { margin: 12px 0 0; display: flex; align-items: center; gap: 10px; }
.step-n { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: var(--bg); font-family: var(--f-mono); font-size: .95rem; flex: none; }
.small-tiles { grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); }
.tile:disabled { cursor: default; opacity: .55; }
.tile:disabled .pr { color: var(--muted); }
.tile:disabled .pr::before { display: none; }
.result { position: sticky; bottom: 0; z-index: 3; background: var(--panel); border: 2px solid var(--line); border-radius: 12px; padding: 14px 16px calc(14px + env(safe-area-inset-bottom, 0px)); display: grid; gap: 8px; box-shadow: 0 -8px 24px rgba(0,0,0,.08); margin-top: 8px; }
.res-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.res-top .chip { font-size: 1rem; padding: 4px 14px; }
.res-title { font-family: var(--f-display); font-weight: 700; font-size: 1.2rem; line-height: 1.2; }
.res-amps { font-family: var(--f-mono); font-size: 1.05rem; font-variant-numeric: tabular-nums; }
.fix { margin: 0; padding-left: 1.2em; font-size: .92rem; }
.fix:empty { display: none; }
.fix li { margin: 2px 0; }
.fix .fix-h { list-style: none; margin-left: -1.2em; font-weight: 600; }

/* ikon dan pencarian katalog */
.ico { width: 26px; height: 26px; color: var(--accent); flex: none; }
.products .ico { grid-row: 1 / 3; grid-column: 1; width: 34px; height: 34px; padding: 5px; border-radius: 8px; background: var(--accent-soft); }
.products .n { grid-column: 2; }
.products li[hidden] { display: none; }
.products .w span { display: block; }
.prod-head { display: flex; gap: 14px; align-items: flex-start; }
.ico.big { width: 56px; height: 56px; padding: 10px; border-radius: 12px; background: var(--accent-soft); margin-top: 4px; }
.search { display: grid; gap: 6px; margin: 0 0 16px; font-family: var(--f-ui); position: sticky; top: 0; z-index: 5; background: var(--bg); padding-block: 10px; border-bottom: 1px solid var(--line); }
.search input { font: inherit; font-size: 1rem; padding: 11px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); color: var(--fg); width: 100%; }
.search input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.search .count { font-size: .8rem; color: var(--muted); }

/* HP */
@media (max-width: 600px) {
  body { font-size: 17px; }
  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.3rem; }
  .step h2 { font-size: 1.2rem; }
  .result { padding: 10px 12px calc(10px + env(safe-area-inset-bottom, 0px)); gap: 6px; }
  .res-title { font-size: 1.05rem; }
  .res-amps { font-size: .95rem; }
  .products a { grid-template-columns: auto 1fr; }
  .products .w { grid-row: auto; grid-column: 2; text-align: left; font-size: .75rem; }
  .products .w span { display: inline; }
  .products .w span + span::before { content: " · "; }
  .ico.big { width: 46px; height: 46px; padding: 8px; }
}

.saved { font-size: .82rem; color: var(--muted); margin: -4px 0 0; }
.linkbtn { font: inherit; background: none; border: 0; padding: 0; color: var(--accent); text-decoration: underline; cursor: pointer; }

/* denah lampu */
.plan-wrap { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 8px; }
.plan { display: block; width: 100%; height: auto; }
.plan .room { cursor: pointer; outline: none; }
.plan .room rect { fill: var(--panel); stroke: var(--fg); stroke-width: 5; transition: fill .15s; }
.plan .room:hover rect { fill: var(--bg); }
.plan .room:focus-visible rect { stroke: var(--accent); stroke-width: 9; }
.plan .room text { font-family: var(--f-ui); font-weight: 600; font-size: 48px; fill: var(--fg); text-anchor: middle; }
.plan .sym { fill: none; stroke: var(--muted); stroke-width: 4; }
.plan .glow { fill: var(--lit-fg); opacity: 0; }
.plan .room.on rect { fill: var(--lit); }
.plan .room.on .sym { stroke: var(--lit-fg); }
.plan .room.on .sym circle { fill: var(--lit-fg); fill-opacity: .25; }
.plan .room.on .glow { opacity: .22; }
.lamp-list { font-size: .85rem; color: var(--muted); margin: 6px 0 0; }
@media (prefers-reduced-motion: reduce) { .plan .room rect { transition: none; } }

/* layar dengan bar atas: pencarian menempel tepat di bawah bar */
@media (max-width: 900px) { .search { top: calc(56px + env(safe-area-inset-top, 0px)); } }

/* kartu kalkulator dengan ikon */
.calc .tile { grid-template-columns: auto 1fr; column-gap: 8px; align-items: center; }
.calc .tile .ico { width: 22px; height: 22px; grid-row: 1 / 3; color: var(--muted); }
.calc .tile .nm, .calc .tile .pr { grid-column: 2; }
.calc .tile[aria-pressed="true"] .ico { color: var(--accent); }
.calc .tile[aria-pressed="true"] .nm::before { content: none; }
/* denah pilihan lampu */
.plan .room.pick rect { fill: var(--pick-soft); stroke: var(--pick); stroke-width: 7; }
.plan .room.pick .sym { stroke: var(--pick); }
.plan .room.pick text { fill: var(--pick); }
.plan .room[aria-disabled="true"] { cursor: default; }

.lbl { display: inline-flex; align-items: center; gap: 6px; }
.ico.sm { width: 18px; height: 18px; color: var(--muted); }

/* tombol terapkan */
.res-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 4px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--bg); font-size: 1rem; padding: 8px 16px; }
.btn.primary:disabled { background: var(--panel); border-color: var(--line); color: var(--muted); cursor: default; }
.applied { font-size: .85rem; color: var(--muted); }