/* 계산노트 — 공통 스타일. 색은 모두 토큰으로 관리하고 카테고리마다 포인트 색이 바뀝니다. */
:root {
  --bg: #F3F5F8;
  --surface: #FFFFFF;
  --ink: #16202A;
  --ink2: #506070;
  --line: #DCE2E9;
  --soft: #EBEFF4;
  --c-fin: #2457D6;
  --c-health: #0B8359;
  --c-elec: #B96600;
  --c-life: #7443C4;
  --on-accent: #FFFFFF;
  --ok: #12805A;
  --warn: #A86400;
  --bad: #C93636;
  --font: 'Noto Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0F141A; --surface: #172029; --ink: #E8EDF3; --ink2: #9DABBA; --line: #2A3643; --soft: #1F2A35;
    --c-fin: #7B9DF7; --c-health: #3FC893; --c-elec: #F2A646; --c-life: #B793F3;
    --on-accent: #0E141B; --ok: #3FC893; --warn: #F2A646; --bad: #F07878;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0F141A; --surface: #172029; --ink: #E8EDF3; --ink2: #9DABBA; --line: #2A3643; --soft: #1F2A35;
  --c-fin: #7B9DF7; --c-health: #3FC893; --c-elec: #F2A646; --c-life: #B793F3;
  --on-accent: #0E141B; --ok: #3FC893; --warn: #F2A646; --bad: #F07878;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 16px/1.7 var(--font);
  word-break: keep-all;
  overflow-wrap: break-word;
}
a { color: inherit; }
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent); outline-offset: 2px; }

.page { --accent: var(--ink); }
[hidden] { display: none !important; }
[data-cat="fin"] { --accent: var(--c-fin); }
[data-cat="health"] { --accent: var(--c-health); }
[data-cat="elec"] { --accent: var(--c-elec); }
[data-cat="life"] { --accent: var(--c-life); }

.wrap { max-width: 1120px; margin-inline: auto; padding-inline: 16px; }
@media (min-width: 720px) { .wrap { padding-inline: 24px; } }

/* 헤더 */
.top { background: var(--surface); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: 12px 28px; flex-wrap: wrap; padding-block: 12px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; letter-spacing: -0.02em; text-decoration: none; }
.brand i { width: 22px; height: 22px; border-radius: 6px; background: var(--c-fin); display: grid; place-items: center; }
.brand i::before { content: ""; width: 10px; height: 2px; background: var(--on-accent); box-shadow: 0 -4px 0 var(--on-accent), 0 4px 0 var(--on-accent); }
.nav { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; margin-inline: -4px; padding-inline: 4px; }
.nav::-webkit-scrollbar { display: none; }
.nav a { flex: none; display: inline-flex; align-items: center; gap: 7px; min-height: 40px; padding: 0 12px; border-radius: 999px; font-size: 15px; font-weight: 500; text-decoration: none; color: var(--ink2); }
.nav a svg { width: 18px; height: 18px; color: var(--accent); }
.nav a:hover, .nav a[aria-current="true"] { background: color-mix(in srgb, var(--accent) 12%, var(--surface)); color: var(--ink); }

/* 홈 */
.hero { padding-block: 40px 20px; }
.hero h1 { margin: 0 0 8px; font-size: clamp(1.75rem, 5vw, 2.5rem); line-height: 1.25; letter-spacing: -0.03em; font-weight: 800; text-wrap: balance; }
.hero p { margin: 0 0 20px; color: var(--ink2); max-width: 36em; }
.search { position: relative; max-width: 560px; }
.search input { width: 100%; height: 56px; padding: 0 18px 0 48px; font-size: 18px; border-radius: 14px; border: 1.5px solid var(--line); background: var(--surface); }
.search input:focus { border-color: var(--c-fin); outline: none; box-shadow: 0 0 0 4px color-mix(in srgb, var(--c-fin) 18%, transparent); }
.search svg { position: absolute; left: 16px; top: 17px; width: 22px; height: 22px; color: var(--ink2); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.chip { min-height: 44px; padding: 0 16px; border-radius: 999px; border: 1.5px solid var(--line); background: var(--surface); cursor: pointer; font-weight: 500; }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.group { padding-block: 24px 8px; }
.group h2 { display: flex; align-items: center; gap: 10px; margin: 0 0 14px; font-size: 1.15rem; letter-spacing: -0.02em; }
.group h2 svg { width: 22px; height: 22px; color: var(--accent); }
.cards { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); }
.card { display: flex; flex-direction: column; gap: 4px; min-width: 0; padding: 18px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); text-decoration: none; transition: border-color .15s, transform .15s; }
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card b { font-size: 1.05rem; letter-spacing: -0.02em; }
.card span { color: var(--ink2); font-size: 14.5px; line-height: 1.55; }
.card .ic { width: 40px; height: 40px; margin-bottom: 8px; display: grid; place-items: center; border-radius: 10px; background: color-mix(in srgb, var(--accent) 13%, var(--surface)); color: var(--accent); }
.card .ic svg { width: 22px; height: 22px; }
.none { padding: 32px 0; color: var(--ink2); }

/* 계산기 페이지 */
.crumb { padding-block: 18px 0; font-size: 14px; color: var(--ink2); }
.crumb a { text-decoration: none; }
.crumb a:hover { text-decoration: underline; }
.title { padding-block: 8px 4px; }
.title h1 { margin: 0 0 6px; font-size: clamp(1.6rem, 4.6vw, 2.2rem); line-height: 1.25; letter-spacing: -0.03em; font-weight: 800; text-wrap: balance; }
.title p { margin: 0; color: var(--ink2); max-width: 42em; }
.updated { display: inline-block; margin-top: 10px; font-size: 13px; color: var(--ink2); padding: 3px 10px; border-radius: 999px; background: var(--soft); }

.calc { display: grid; gap: 20px; grid-template-columns: minmax(0, 1fr); margin-block: 20px 0; align-items: start; }
@media (min-width: 900px) { .calc { grid-template-columns: minmax(0, 1fr) 400px; gap: 24px; } }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 20px; min-width: 0; }
@media (min-width: 720px) { .panel { padding: 24px; } }
.panel > h2 { margin: 0 0 16px; font-size: 1rem; color: var(--ink2); font-weight: 600; }
.fields { display: grid; gap: 18px 16px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }
.field { min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field > label, .field > .lbl { display: block; margin-bottom: 6px; font-size: 15px; font-weight: 600; }
.inp { position: relative; }
.inp input, .field select, .field input[type="date"] {
  width: 100%; height: 54px; padding: 0 16px; font-size: 18px; font-variant-numeric: tabular-nums;
  background: var(--surface); border: 1.5px solid var(--line); border-radius: 12px;
}
.inp input { padding-right: 52px; text-align: right; }
.inp .unit { position: absolute; right: 16px; top: 0; height: 54px; display: grid; place-items: center; color: var(--ink2); pointer-events: none; font-size: 15px; }
.field select { appearance: none; padding-right: 40px; background-image: linear-gradient(45deg, transparent 50%, var(--ink2) 50%), linear-gradient(135deg, var(--ink2) 50%, transparent 50%); background-position: calc(100% - 20px) 24px, calc(100% - 14px) 24px; background-size: 6px 6px; background-repeat: no-repeat; }
.field input:focus, .field select:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent); }
.hint { min-height: 1.4em; margin-top: 4px; font-size: 13.5px; color: var(--accent); text-align: right; font-variant-numeric: tabular-nums; }
.help { margin-top: 4px; font-size: 13.5px; color: var(--ink2); line-height: 1.5; }
.seg { display: flex; border: 1.5px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--surface); }
.seg label { flex: 1; min-width: 0; position: relative; cursor: pointer; }
.seg input { position: absolute; opacity: 0; inset: 0; }
.seg span { display: grid; place-items: center; min-height: 51px; padding: 0 10px; text-align: center; font-weight: 500; font-size: 16px; line-height: 1.3; }
.seg label + label span { border-left: 1.5px solid var(--line); }
.seg input:checked + span { background: var(--accent); color: var(--on-accent); font-weight: 700; }
.seg input:focus-visible + span { outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent); outline-offset: -3px; }
.actions { margin-top: 20px; display: flex; gap: 10px; }
.btn { min-height: 48px; padding: 0 20px; border-radius: 12px; border: 1.5px solid var(--line); background: var(--surface); font-weight: 600; cursor: pointer; }
.btn:hover { border-color: var(--accent); }

.side { display: grid; gap: 20px; min-width: 0; }
.result { border-top: 4px solid var(--accent); padding-top: 20px; }
@media (min-width: 900px) { .result { position: sticky; top: 16px; } }
.r-label { font-size: 15px; color: var(--ink2); font-weight: 500; }
.r-value { margin-top: 2px; font-size: clamp(2rem, 8vw, 2.6rem); line-height: 1.2; font-weight: 800; letter-spacing: -0.03em; color: var(--accent); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.r-sub { margin-top: 2px; font-size: 14px; color: var(--ink2); }
.status { margin-top: 12px; padding: 10px 14px; border-radius: 10px; font-size: 15px; font-weight: 600; line-height: 1.5; }
.status.ok { color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, var(--surface)); }
.status.warn { color: var(--warn); background: color-mix(in srgb, var(--warn) 13%, var(--surface)); }
.status.bad { color: var(--bad); background: color-mix(in srgb, var(--bad) 12%, var(--surface)); }
.rows { margin: 16px 0 0; padding: 0; }
.rows div { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 9px 0; border-top: 1px solid var(--line); font-size: 15px; }
.rows dt { color: var(--ink2); }
.rows dd { margin: 0; font-weight: 600; text-align: right; font-variant-numeric: tabular-nums; }
.rows .total dt { color: var(--ink); font-weight: 600; }
.rows .total dd { font-weight: 800; }
.notes { margin: 14px 0 0; padding: 0; list-style: none; font-size: 13.5px; color: var(--ink2); line-height: 1.55; }
.notes li + li { margin-top: 4px; }
.empty { padding: 24px 4px; color: var(--ink2); }
.bar { display: flex; height: 14px; margin-top: 16px; border-radius: 7px; overflow: hidden; background: var(--soft); }
.bar i { display: block; height: 100%; }
.legend { margin: 8px 0 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 13px; color: var(--ink2); }
.legend li { display: flex; align-items: center; gap: 6px; }
.legend li::before { content: ""; width: 10px; height: 10px; border-radius: 3px; background: var(--sw); }
.b0 { --sw: var(--accent); background: var(--accent); }
.b1 { --sw: color-mix(in srgb, var(--ink) 55%, var(--surface)); background: var(--sw); }
.b2 { --sw: color-mix(in srgb, var(--ink) 35%, var(--surface)); background: var(--sw); }
.b3 { --sw: color-mix(in srgb, var(--ink) 20%, var(--surface)); background: var(--sw); }
.gauge { margin-top: 18px; }
.g-track { position: relative; display: flex; gap: 3px; padding-top: 12px; }
.g-seg { flex: 1; height: 12px; border-radius: 4px; background: var(--soft); }
.g-seg.on { background: var(--accent); }
.g-pin { position: absolute; top: 0; width: 0; height: 0; margin-left: -6px; border-left: 6px solid transparent; border-right: 6px solid transparent; border-top: 9px solid var(--ink); }
.g-labels { display: flex; gap: 3px; margin-top: 6px; }
.g-labels span { flex: 1; min-width: 0; text-align: center; font-size: 12px; line-height: 1.3; color: var(--ink2); }
.g-labels span.on { color: var(--ink); font-weight: 700; }

/* 광고 자리. 실제 애드센스 코드가 들어가면 점선 표시는 사라집니다. */
.ad { margin-block: 24px; min-height: 100px; display: grid; place-items: center; text-align: center; overflow: hidden; }
.ad--preview { border: 1.5px dashed var(--line); border-radius: 12px; color: var(--ink2); font-size: 13px; background: color-mix(in srgb, var(--soft) 55%, transparent); }
.ad--mid { min-height: 250px; }
.ad--side { min-height: 250px; margin: 0; display: none; }
@media (min-width: 900px) { .ad--side { display: grid; } }

/* 설명 글 */
.article { max-width: 760px; margin-block: 8px 24px; }
.article h2 { margin: 36px 0 10px; font-size: 1.35rem; line-height: 1.35; letter-spacing: -0.025em; text-wrap: balance; }
.article h3 { margin: 24px 0 6px; font-size: 1.05rem; }
.article p { margin: 0 0 14px; }
.article ul, .article ol { margin: 0 0 14px; padding-left: 1.3em; }
.article li { margin-bottom: 6px; }
.formula { margin: 0 0 16px; padding: 14px 16px; background: var(--soft); border-radius: 12px; font-size: 15.5px; line-height: 1.8; overflow-x: auto; font-variant-numeric: tabular-nums; }
.formula b { font-weight: 700; }
.tbl { overflow-x: auto; margin: 0 0 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.tbl table { width: 100%; border-collapse: collapse; font-size: 15px; font-variant-numeric: tabular-nums; }
.tbl th, .tbl td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
.tbl th { background: var(--soft); font-weight: 600; }
.tbl tr:last-child td { border-bottom: 0; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 14px 4px; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 1.3rem; line-height: 1.2; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0 0 14px; padding-inline: 4px; color: var(--ink2); }
.related { margin-block: 8px 0; }
.related h2 { margin: 24px 0 12px; font-size: 1.15rem; }

/* 푸터 */
.foot { margin-top: 48px; padding-block: 28px; border-top: 1px solid var(--line); background: var(--surface); font-size: 14px; color: var(--ink2); }
.foot .wrap { display: grid; gap: 12px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.foot p { margin: 0; max-width: 46em; }
.legal { max-width: 760px; padding-block: 28px; }
.legal h1 { font-size: 1.8rem; letter-spacing: -0.03em; margin: 0 0 12px; }
.legal h2 { font-size: 1.2rem; margin: 28px 0 8px; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* 모바일: 결과를 화면 아래에 고정 */
.mini { display: none; }
@media (max-width: 899px) {
  .mini {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 20;
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px));
    background: var(--surface); border-top: 3px solid var(--accent);
    box-shadow: 0 -6px 20px color-mix(in srgb, var(--ink) 10%, transparent);
    text-decoration: none; min-height: 64px;
  }
  .mini[hidden] { display: none !important; }
  .mini span { font-size: 13px; color: var(--ink2); line-height: 1.3; }
  .mini b { display: block; font-size: 1.35rem; line-height: 1.25; color: var(--accent); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
  .mini em { font-style: normal; font-size: 14px; font-weight: 600; color: var(--ink); white-space: nowrap; }
  .has-mini { padding-bottom: 76px; }
}

/* 결과 해석용 기준표 (계산기 바로 아래) */
.quick { margin-block: 20px 0; }
.quick > h2 { margin: 0 0 14px; font-size: 1.05rem; letter-spacing: -0.02em; }
.quick-grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.quick-grid > div { min-width: 0; }
.quick .cap { margin: 0 0 8px; font-size: 14px; font-weight: 600; color: var(--ink2); }
.quick .tbl { margin: 0; }
.quick .help { margin: 14px 0 0; }
.tbl tr.hl td { background: color-mix(in srgb, var(--accent) 15%, var(--surface)); color: var(--ink); font-weight: 700; }
.caution { margin-top: 12px; padding: 10px 14px; border-radius: 10px; font-size: 14px; line-height: 1.55; color: var(--ink); background: var(--soft); }

/* 홈: 즐겨찾기 별표, 자주 찾는 계산기, 쿠팡 배너 자리 */
.card-wrap { position: relative; display: flex; min-width: 0; }
.card-wrap .card { flex: 1; padding-right: 56px; }
.fav { position: absolute; top: 10px; right: 10px; width: 44px; height: 44px; display: grid; place-items: center; border: 0; border-radius: 12px; background: transparent; color: var(--ink2); cursor: pointer; }
.fav:hover { background: var(--soft); }
.fav svg { width: 22px; height: 22px; }
.fav[aria-pressed="true"] { color: var(--accent); }
.fav[aria-pressed="true"] svg { fill: currentColor; }
.pop { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; margin-top: 18px; font-size: 15px; }
.pop span { color: var(--ink2); font-weight: 500; }
.pop a { display: inline-flex; align-items: center; min-height: 40px; padding: 0 14px; border-radius: 999px; background: color-mix(in srgb, var(--accent) 11%, var(--surface)); color: var(--ink); text-decoration: none; font-weight: 500; }
.pop a:hover { background: color-mix(in srgb, var(--accent) 20%, var(--surface)); }
.cp { margin-block: 20px 4px; text-align: center; color: var(--ink2); font-size: 13px; }
.cp p { margin: 8px 0 0; }
.cp-ph { min-height: 110px; display: grid; place-items: center; border: 1.5px dashed var(--line); border-radius: 12px; background: color-mix(in srgb, var(--soft) 55%, transparent); }
.mrow { display: flex; align-items: center; gap: 10px; margin: 0 0 8px; min-width: 0; }
.mt { flex: none; font-size: 13px; font-weight: 700; color: var(--ink2); min-width: 52px; }
.mlist { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; flex: 1; min-width: 0; padding: 2px 0; }
.mlist::-webkit-scrollbar { display: none; }
.mchip { flex: none; font-size: 14px; font-weight: 600; padding: 7px 12px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); color: inherit; text-decoration: none; white-space: nowrap; }
#mine { margin: 4px 0 18px; }
#mine:empty { margin: 0; }
.tools { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.btn.sm { min-height: 44px; padding: 0 14px; font-size: 15px; display: inline-flex; align-items: center; gap: 8px; }
.btn.sm svg { width: 18px; height: 18px; color: var(--accent); }
.btn.sm[aria-pressed="true"] svg { fill: currentColor; }
.share-url { flex: 1 1 100%; max-width: 460px; height: 44px; padding: 0 14px; border: 1.5px solid var(--accent); border-radius: 12px; background: var(--surface); font-size: 15px; }