/* 태양광 시뮬레이션 레퍼런스 — 2026-10-08
   디자인 근거: Stitch 시안 3안 중 «엔지니어링 원장»(사례를 표로) 채택 + 1안의 남색 신청 영역.
   토큰 정본 = www/docs/simulation-DESIGN.md. 브랜드 = energy 본 사이트(남색 #0d2b5e · 빨강 계열 CTA). */

@font-face { font-family: 'GmarketSans'; font-weight: 500; font-display: swap; src: url('../../fonts/GmarketSansMedium.woff') format('woff'); }
@font-face { font-family: 'GmarketSans'; font-weight: 700; font-display: swap; src: url('../../fonts/GmarketSansBold.woff') format('woff'); }
@font-face { font-family: 'Pretendard'; font-weight: 400; font-display: swap; src: url('../../fonts/Pretendard-Regular.woff2') format('woff2'); }
@font-face { font-family: 'Pretendard'; font-weight: 500; font-display: swap; src: url('../../fonts/Pretendard-Medium.woff2') format('woff2'); }
@font-face { font-family: 'Pretendard'; font-weight: 600; font-display: swap; src: url('../../fonts/Pretendard-SemiBold.woff2') format('woff2'); }
@font-face { font-family: 'Pretendard'; font-weight: 700; font-display: swap; src: url('../../fonts/Pretendard-Bold.woff2') format('woff2'); }

:root {
    --ink: #0d2b5e;          /* 브랜드 남색 — 제목·표 머리·지도 진한 쪽 */
    --ink-deep: #081a3d;
    --text: #16243d;
    --muted: #55606f;
    --soft: #5b6676;
    --paper: #f7f9fc;
    --panel: #eef1f6;
    --line: #d5dce8;
    --line-soft: #e6ebf3;
    --cta: #c8303a;          /* 브랜드 #ff5057 계열 — 흰 글자 대비 5.4:1 (#ff5057 3.1:1 · #e5363f 4.3:1 은 미달, 10-08 감사 실측) */
    --cta-hover: #a8242d;
    --focus: #2563eb;
    --head: 'GmarketSans', 'Pretendard', 'Noto Sans KR', sans-serif;
    --body: 'Pretendard', 'Noto Sans KR', 'Malgun Gothic', sans-serif;
    --wrap: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
body {
    margin: 0; background: var(--paper); color: var(--text);
    font: 400 16px/1.65 var(--body);
    word-break: keep-all; overflow-wrap: break-word;
}
img { max-width: 100%; }
a { color: var(--ink); }
h1, h2, h3 { font-family: var(--head); color: var(--ink); margin: 0; line-height: 1.3; letter-spacing: -0.01em; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 2px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--ink); color: #fff; padding: 10px 14px; z-index: 50; }
.skip:focus { left: 8px; }
.num { text-align: right; font-variant-numeric: tabular-nums; }

/* 버튼 — 탭 영역 44px 이상 */
.btn {
    display: inline-flex; align-items: center; justify-content: center; min-height: 44px;
    padding: 0 20px; border-radius: 4px; font: 600 15px/1 var(--body); text-decoration: none; cursor: pointer;
    border: 1px solid transparent;
}
.btn-cta { background: var(--cta); color: #fff; }
.btn-cta:hover { background: var(--cta-hover); }
.btn-line { background: #fff; color: var(--ink); border-color: var(--ink); }
.btn-line:hover { background: var(--panel); }
.btn-lg { min-height: 52px; padding: 0 28px; font-size: 17px; }

/* 상단 */
.top { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.top-in { display: flex; align-items: center; gap: 28px; min-height: 64px; }
.brand { display: flex; align-items: center; min-height: 44px; }
.brand img { height: 28px; width: auto; display: block; }
.top-nav { display: flex; gap: 4px; margin-right: auto; }
.top-nav a { display: flex; align-items: center; min-height: 44px; padding: 0 12px; color: var(--muted); text-decoration: none; font-weight: 500; }
.top-nav a:hover { color: var(--ink); }

/* 도입 */
.intro { display: grid; grid-template-columns: 1fr 360px; gap: 40px; align-items: end; padding-top: 56px; padding-bottom: 32px; }
.intro h1 { font-size: clamp(30px, 4.2vw, 46px); font-weight: 700; }
.lead { margin: 14px 0 0; font-size: 18px; color: var(--muted); max-width: 40em; }
.notice { border-left: 3px solid var(--ink); background: #fff; padding: 14px 18px; font-size: 14px; color: var(--muted); }
.notice p { margin: 0; }
.notice strong { color: var(--text); }

/* 검토 규모 — 칸 사이 선 하나, 테두리 상자 남발 안 함 */
.totals-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; border-top: 2px solid var(--ink); border-bottom: 1px solid var(--line); background: #fff; }
.totals-grid > div { padding: 20px 22px; border-left: 1px solid var(--line-soft); }
.totals-grid > div:first-child { border-left: 0; }
.totals-grid dt { font-size: 14px; color: var(--muted); }
.totals-grid dd { margin: 6px 0 0; font: 700 36px/1.1 var(--head); color: var(--ink); font-variant-numeric: tabular-nums; }
.totals-grid small { font: 500 15px var(--body); color: var(--muted); margin-left: 4px; }

.status { margin-top: 24px; color: var(--muted); }
.status:empty { display: none; }
.status.err { background: #fff; border: 1px solid var(--cta); padding: 14px 18px; color: var(--text); }
.status.err button { margin-left: 12px; }

/* 섹션 머리 */
.sec-head { display: grid; grid-template-columns: 300px 1fr; gap: 32px; align-items: baseline; padding: 64px 0 20px; border-bottom: 1px solid var(--line); margin-bottom: 24px; }
.sec-head h2 { font-size: 26px; }
.sec-head p { margin: 0; color: var(--muted); max-width: 46em; }

/* 검토 화면 갤러리 — «실제로 모델링했다»는 증거. 4열(휴대폰 2열) */
.gal { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.gal a { display: block; text-decoration: none; color: var(--text); background: #fff; border: 1px solid var(--line); }
.gal a:hover { border-color: var(--ink); }
.gal img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: var(--panel); }
.gal-cap { display: block; padding: 10px 12px; font-size: 13px; color: var(--muted); }
.gal-cap b { color: var(--ink); font-family: var(--head); margin-right: 4px; }

/* 지역 */
.regions-body { display: grid; grid-template-columns: minmax(280px, 420px) 1fr; gap: 40px; align-items: start; }
.map { margin: 0; }
.map-svg svg { width: 100%; height: auto; display: block; }
.map-svg path { stroke: #fff; stroke-width: .8; vector-effect: non-scaling-stroke; cursor: pointer; fill: #edf0f5; }
.map-svg path.nodata { cursor: default; fill: #fff; stroke: #b9c4d6; }   /* 최저 구간 색과 헷갈리지 않게 흰 바탕 */
.map-svg path:hover:not(.nodata), .map-svg path.on { stroke: var(--cta); stroke-width: 2; }
.legend { display: flex; align-items: center; gap: 10px; margin-top: 12px; font-size: 13px; color: var(--muted); flex-wrap: wrap; }
.legend .ramp { display: flex; }
.legend .ramp i { width: 28px; height: 10px; display: block; }
.rank { list-style: none; margin: 0; padding: 0; columns: 2; column-gap: 32px; }
.rank li { break-inside: avoid; }
.rank button {
    width: 100%; display: grid; grid-template-columns: 1fr auto; align-items: baseline; gap: 4px 12px;
    min-height: 52px; padding: 10px 4px; background: none; border: 0; border-bottom: 1px solid var(--line-soft);
    font: inherit; color: inherit; text-align: left; cursor: pointer;
}
.rank button:hover, .rank button[aria-pressed="true"] { background: #fff; }
.rank button[aria-pressed="true"] { box-shadow: inset 3px 0 0 var(--cta); }
.rank .r-name { font-weight: 600; color: var(--text); }
.rank .r-hours { font: 700 20px var(--head); color: var(--ink); font-variant-numeric: tabular-nums; }
.rank .r-hours small { font: 500 13px var(--body); color: var(--muted); margin-left: 2px; }
.rank .r-meta { grid-column: 1 / -1; font-size: 13px; color: var(--soft); }

/* 거르기 */
.filters { display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: end; padding: 16px 18px; background: #fff; border: 1px solid var(--line); }
.f-field { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
.f-field select { min-height: 44px; min-width: 150px; padding: 0 12px; font: 500 15px var(--body); color: var(--text); border: 1px solid var(--line); border-radius: 4px; background: #fff; }
.f-chips { border: 0; margin: 0; padding: 0; display: flex; gap: 0; flex-wrap: wrap; }
.f-chips legend { font-size: 13px; color: var(--muted); padding: 0; margin-bottom: 4px; }
.f-chips button { min-height: 44px; padding: 0 16px; font: 500 15px var(--body); color: var(--text); background: #fff; border: 1px solid var(--line); cursor: pointer; }
.f-chips button + button { border-left: 0; }
.f-chips button:first-of-type { border-radius: 4px 0 0 4px; }
.f-chips button:last-of-type { border-radius: 0 4px 4px 0; }
.f-chips button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.f-reset { min-height: 44px; margin-left: auto; padding: 0 8px; background: none; border: 0; color: var(--muted); font: 500 14px var(--body); text-decoration: underline; cursor: pointer; }
.count { margin: 14px 0 8px; font-size: 14px; color: var(--muted); }

/* 원장 표 — 이 페이지의 주인공 */
.reg { width: 100%; border-collapse: collapse; background: #fff; font-size: 15px; }
.reg > thead > tr > th {
    position: sticky; top: 64px; z-index: 5;
    background: var(--ink); color: #fff; font: 600 13px var(--body); text-align: left;
    padding: 12px 10px; white-space: nowrap;
}
.reg > thead > tr > th.num { text-align: right; }
.reg > tbody > tr > td { padding: 14px 10px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.reg > tbody > tr.row:hover > td { background: #fbfcfe; }
.reg > tbody > tr.row.open > td { background: var(--panel); border-bottom-color: var(--panel); }
.reg .id { font: 700 14px var(--head); color: var(--ink); white-space: nowrap; }
.reg .row-thumb { display: block; width: 88px; height: 60px; object-fit: cover; margin-bottom: 6px; border: 1px solid var(--line-soft); background: var(--panel); }
.pics { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 520px)); gap: 12px; margin: 12px 0 16px; }   /* 한 장이어도 표 폭 전체로 커지지 않게 */
.pics figure { margin: 0; }
.pics img { display: block; width: 100%; height: auto; border: 1px solid var(--line); background: #fff; }
.f-check { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-size: 14px; color: var(--text); cursor: pointer; }
.f-check input { width: 20px; height: 20px; accent-color: var(--ink); }
.reg .multi { display: block; margin-top: 4px; font: 600 12px var(--body); color: var(--cta); white-space: nowrap; }
.reg .where strong { display: block; font-weight: 600; }
.reg .where span { font-size: 13px; color: var(--muted); }
.reg .big { font: 700 17px var(--body); color: var(--ink); font-variant-numeric: tabular-nums; }
.reg .unit { font-size: 12px; color: var(--muted); margin-left: 2px; }
.reg .eq { font-size: 13px; color: var(--muted); line-height: 1.5; }
.reg .eq b { font-weight: 500; color: var(--text); }
.reg .when { font-size: 13px; color: var(--muted); white-space: nowrap; }
.reg .tog {
    min-width: 44px; min-height: 44px; margin: -10px 0; border: 1px solid var(--line); border-radius: 4px;
    background: #fff; color: var(--ink); font: 600 13px var(--body); cursor: pointer; padding: 0 10px; white-space: nowrap;
}
.reg .tog[aria-expanded="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }

/* 펼친 행 — 조건별 비교 */
.reg > tbody > tr.detail > td { background: var(--panel); padding: 4px 10px 24px; border-bottom: 2px solid var(--ink); }
.cmp-wrap { overflow-x: auto; }
.cmp { border-collapse: collapse; background: #fff; min-width: 100%; font-size: 14px; }
.cmp th, .cmp td { padding: 10px 14px; border: 1px solid var(--line-soft); text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.cmp thead th { background: #fff; color: var(--ink); font: 700 14px var(--head); border-bottom: 2px solid var(--ink); }
.cmp tbody th { text-align: left; font-weight: 500; color: var(--muted); background: var(--paper); }
.cmp .best { color: var(--ink); font-weight: 700; }
.detail-foot { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; justify-content: space-between; margin-top: 16px; }
.detail-foot p { margin: 0; font-size: 14px; color: var(--muted); max-width: 46em; }

.more { text-align: center; padding: 24px 0 0; }

/* 읽는 법 */
.glossary { padding-top: 64px; padding-bottom: 72px; }
.glossary h2 { font-size: 22px; margin-bottom: 18px; }
.glossary dl { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 40px; margin: 0; }
.glossary dl > div { padding: 16px 0; border-top: 1px solid var(--line); }
.glossary dt { font-weight: 700; color: var(--ink); }
.glossary dd { margin: 4px 0 0; color: var(--muted); font-size: 15px; }

/* 마무리 신청 */
.closing { background: var(--ink); color: #dfe6f1; }
.closing-in { display: flex; flex-wrap: wrap; gap: 24px 48px; align-items: center; justify-content: space-between; padding-top: 56px; padding-bottom: 56px; }
.closing h2 { color: #fff; font-size: clamp(24px, 3vw, 32px); }
.closing p { margin: 10px 0 0; max-width: 36em; }
.closing-act { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.closing .tel { color: #fff; display: inline-flex; align-items: center; min-height: 44px; font-weight: 500; }

.foot { background: var(--ink-deep); color: #a9b6cc; font-size: 13px; padding: 24px 0; }
.foot p { margin: 4px 0; }
.foot a { color: #dfe6f1; }

/* 태블릿 */
@media (max-width: 1080px) {
    .reg .col-met { display: none; }
}
@media (max-width: 900px) {
    .intro { grid-template-columns: 1fr; gap: 20px; padding-top: 36px; }
    .totals-grid { grid-template-columns: repeat(2, 1fr); }
    .totals-grid > div:nth-child(3) { border-left: 0; }
    .totals-grid > div:nth-child(n+3) { border-top: 1px solid var(--line-soft); }
    .sec-head { grid-template-columns: 1fr; gap: 8px; padding-top: 48px; }
    .regions-body { grid-template-columns: 1fr; gap: 24px; }
    .map { max-width: 420px; margin: 0 auto; width: 100%; }
    .glossary dl { grid-template-columns: 1fr; }
    .top-nav { display: none; }
    .top-in { justify-content: space-between; }
}

/* 휴대폰 — 표를 사례 카드로 */
@media (max-width: 720px) {
    .wrap { padding: 0 16px; }
    .totals-grid dd { font-size: 28px; }
    .rank { columns: 1; }
    .gal { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .reg .row-thumb { width: 100%; height: auto; aspect-ratio: 16 / 9; }
    .top-cta { padding: 0 14px; font-size: 14px; }
    .filters { padding: 14px; }
    .f-field { flex: 1 1 140px; }
    .f-field select { width: 100%; min-width: 0; }
    .f-reset { margin-left: 0; }
    .reg > thead { display: none; }
    .reg, .reg > tbody { display: block; }
    .reg tbody tr.row {
        display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px 12px;
        padding: 16px; border: 1px solid var(--line); border-top: 3px solid var(--ink); margin-bottom: 12px; background: #fff;
    }
    .reg tbody tr.row td { display: block; padding: 0; border: 0; background: none !important; }
    .reg tbody tr.row td.c-id { grid-column: 1 / 2; }
    .reg tbody tr.row td.c-where { grid-column: 2 / 4; }
    .reg tbody tr.row td.c-met { display: block; grid-column: 1 / -1; }
    .reg tbody tr.row td.c-when { grid-column: 1 / 3; align-self: center; }
    .reg tbody tr.row td.c-tog { grid-column: 3 / 4; text-align: right; }
    .reg tbody tr.row td[data-label]::before { content: attr(data-label); display: block; font-size: 12px; color: var(--soft); margin-bottom: 2px; }
    .reg > tbody > tr > td.num { text-align: left; }
    .reg .tog { margin: 0; }
    .reg tbody tr.row.open { margin-bottom: 0; border-bottom: 0; }
    .reg > tbody > tr.detail { display: block; margin-bottom: 12px; }
    .reg > tbody > tr.detail > td { display: block; border: 1px solid var(--line); border-top: 0; border-bottom: 2px solid var(--ink); padding: 12px; }
    .closing-act { width: 100%; }
    .closing .btn-lg { width: 100%; }
}

.reg > tbody > tr > td.empty { padding: 40px 16px; text-align: center; color: var(--muted); }