/* =========================================================
   얼마할까 — 스타일
   ========================================================= */

:root {
  --bg: #f7f7f9;
  --bg-alt: #ffffff;
  --panel: #ffffff;
  --panel-2: #f2f3f6;
  --ink: #16181d;
  --ink-2: #4a4f5a;
  --ink-3: #7b8290;
  --line: #e3e5ea;
  --line-2: #d3d7de;
  --accent: #e0559a;
  --accent-ink: #ffffff;
  --shadow: 0 1px 2px rgba(16, 18, 24, .05), 0 8px 24px rgba(16, 18, 24, .06);
  --shadow-sm: 0 1px 2px rgba(16, 18, 24, .06);
  --radius: 14px;
  --radius-lg: 20px;
  --ok: #2f9e6e;
  --warn: #d9822b;
  --danger: #d1495b;
  --maxw: 1080px;
}

:root[data-theme="dark"] {
  --bg: #0f1115;
  --bg-alt: #14171d;
  --panel: #181c23;
  --panel-2: #1f242c;
  --ink: #eceef2;
  --ink-2: #b3b9c4;
  --ink-3: #7f8798;
  --line: #262b34;
  --line-2: #333a45;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 30px rgba(0, 0, 0, .35);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  --ok: #46b98a;
  --warn: #e6a054;
  --danger: #e2717f;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1115;
    --bg-alt: #14171d;
    --panel: #181c23;
    --panel-2: #1f242c;
    --ink: #eceef2;
    --ink-2: #b3b9c4;
    --ink-3: #7f8798;
    --line: #262b34;
    --line-2: #333a45;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 30px rgba(0, 0, 0, .35);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
    --ok: #46b98a;
    --warn: #e6a054;
    --danger: #e2717f;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard",
    "Malgun Gothic", "맑은 고딕", "Noto Sans KR", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
}

h1, h2, h3 { line-height: 1.3; letter-spacing: -.02em; margin: 0; }
p { margin: 0; }
a { color: inherit; }
b { font-weight: 700; }
small { font-size: .82em; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.wrap.narrow { max-width: 760px; }

.skip {
  position: absolute; left: -9999px;
  background: var(--accent); color: #fff; padding: 10px 16px; border-radius: 8px; z-index: 100;
}
.skip:focus { left: 12px; top: 12px; }

/* ---------- 헤더 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark { font-size: 22px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text b { font-size: 17px; letter-spacing: -.03em; }
.brand-text small { color: var(--ink-3); font-size: 11px; }
.header-nav { display: flex; align-items: center; gap: 4px; }
.header-nav a {
  text-decoration: none; color: var(--ink-2); font-size: 14px; font-weight: 600;
  padding: 8px 10px; border-radius: 9px;
}
.header-nav a:hover { background: var(--panel-2); color: var(--ink); }
.icon-btn {
  border: 1px solid var(--line); background: var(--panel); color: var(--ink);
  width: 36px; height: 36px; border-radius: 10px; cursor: pointer; font-size: 15px; margin-left: 4px;
}
.icon-btn:hover { border-color: var(--line-2); }

@media (max-width: 640px) {
  /* 좁은 화면에서는 핵심 링크(계산기·가이드)만 남긴다.
     나머지는 페이지 내 앵커라 스크롤로 닿고, 푸터에도 전부 있다. */
  .header-nav a { display: none; }
  .header-nav a.nav-key { display: inline-block; white-space: nowrap; padding: 8px 9px; }
  /* 부제가 줄바꿈되어 헤더가 3줄로 깨지던 문제 */
  .brand-text small { display: none; }
  .brand-text b { font-size: 16px; }
  .icon-btn { width: 40px; height: 40px; }
}

/* ---------- 히어로 ---------- */
.hero { padding: 64px 0 48px; text-align: center; }
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .02em;
  color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent);
  padding: 5px 12px; border-radius: 999px; margin-bottom: 18px;
}
.hero h1 { font-size: clamp(30px, 6.5vw, 50px); font-weight: 800; letter-spacing: -.04em; }
.hero h1 em { font-style: normal; color: var(--accent); }
.lead { margin-top: 18px; color: var(--ink-2); font-size: clamp(15px, 2.4vw, 17px); }
.hero-points {
  list-style: none; padding: 0; margin: 28px auto 30px; display: flex; flex-wrap: wrap;
  gap: 10px; justify-content: center; max-width: 780px;
}
.hero-points li {
  background: var(--panel); border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 16px; font-size: 14px; color: var(--ink-2); box-shadow: var(--shadow-sm);
}
.hero-points b { color: var(--ink); }
.hero-note { margin-top: 16px; font-size: 13px; color: var(--ink-3); }

/* ---------- 버튼 ---------- */
.btn {
  display: inline-block; border: 1px solid transparent; border-radius: 12px;
  padding: 11px 20px; font-size: 15px; font-weight: 700; cursor: pointer;
  text-decoration: none; font-family: inherit; transition: transform .08s ease, filter .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.07); }
.btn-lg { padding: 14px 30px; font-size: 16px; border-radius: 14px; }
.btn-ghost { background: var(--panel); border-color: var(--line-2); color: var(--ink-2); }
.btn-ghost:hover { color: var(--ink); border-color: var(--ink-3); }
.btn-ghost.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, var(--line)); }

/* ---------- 섹션 ---------- */
.section { padding: 64px 0; }
.section.alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-title { font-size: clamp(22px, 4vw, 30px); font-weight: 800; letter-spacing: -.03em; }
.section-sub { margin-top: 10px; color: var(--ink-2); font-size: 15px; max-width: 720px; }

/* ---------- 계산기 레이아웃 ---------- */
.calc-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 24px; align-items: start; }
@media (max-width: 900px) { .calc-layout { grid-template-columns: 1fr; } }

.panel {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow);
}
.result-col { position: sticky; top: 76px; }
@media (max-width: 900px) { .result-col { position: static; } }

.panel-title { font-size: 15px; font-weight: 800; display: flex; align-items: center; gap: 9px; margin-bottom: 22px; }
.panel-title.mt { margin-top: 34px; padding-top: 24px; border-top: 1px dashed var(--line-2); }
.step-dot {
  width: 22px; height: 22px; border-radius: 7px; background: var(--accent); color: var(--accent-ink);
  display: grid; place-items: center; font-size: 12px; font-weight: 800;
}

/* ---------- 폼 ---------- */
.field { border: 0; padding: 0; margin: 0 0 22px; }
.field legend { font-size: 14px; font-weight: 700; color: var(--ink); padding: 0; margin-bottom: 10px; }
.field-help { font-size: 12.5px; color: var(--ink-3); margin-top: 8px; line-height: 1.55; }
.field-help b { color: var(--ink-2); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  --chip-accent: var(--accent);
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--panel-2); border: 1px solid var(--line);
  color: var(--ink-2); border-radius: 11px; padding: 9px 13px;
  font-size: 13.5px; font-weight: 600; cursor: pointer; font-family: inherit;
  transition: all .13s ease;
}
.chip:hover { border-color: var(--line-2); color: var(--ink); }
.chip.on {
  background: color-mix(in srgb, var(--chip-accent) 14%, var(--panel));
  border-color: var(--chip-accent); color: var(--ink);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--chip-accent) 40%, transparent);
}
.chip-icon { font-size: 15px; }
.chips.small .chip { padding: 8px 12px; font-size: 13px; }

.select-wrap { position: relative; }
.select-wrap::after {
  content: "▾"; position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  pointer-events: none; color: var(--ink-3); font-size: 13px;
}
select {
  width: 100%; appearance: none; background: var(--panel-2); color: var(--ink);
  border: 1px solid var(--line); border-radius: 11px; padding: 12px 38px 12px 14px;
  font-size: 14.5px; font-family: inherit; font-weight: 600; cursor: pointer;
}
select:focus-visible, .chip:focus-visible, .btn:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

input[type="range"] {
  width: 100%; appearance: none; background: transparent; margin: 6px 0 2px; cursor: pointer;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 6px; border-radius: 99px; background: var(--panel-2); border: 1px solid var(--line);
}
input[type="range"]::-webkit-slider-thumb {
  appearance: none; width: 22px; height: 22px; border-radius: 50%; background: var(--accent);
  border: 3px solid var(--panel); box-shadow: var(--shadow-sm); margin-top: -9px;
}
input[type="range"]::-moz-range-track { height: 6px; border-radius: 99px; background: var(--panel-2); }
input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%; background: var(--accent); border: 3px solid var(--panel);
}
.range-scale { display: flex; justify-content: space-between; font-size: 11.5px; color: var(--ink-3); }
.range-label { margin-top: 8px; font-size: 14px; }
.range-label .muted { color: var(--ink-3); font-weight: 600; }

.checkbox-field { background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.check { display: flex; align-items: flex-start; gap: 9px; font-size: 14px; font-weight: 600; cursor: pointer; }
.check input { width: 17px; height: 17px; margin-top: 2px; accent-color: var(--accent); flex: none; }

.form-actions { margin-top: 8px; }

/* ---------- 결과 ---------- */
.result-panel { padding: 0; overflow: hidden; }

.verdict { padding: 22px 24px; border-bottom: 1px solid var(--line); }
.verdict-must   { background: color-mix(in srgb, var(--danger) 10%, var(--panel)); }
.verdict-should { background: color-mix(in srgb, var(--warn) 11%, var(--panel)); }
.verdict-either { background: var(--panel-2); }
.verdict-skip, .verdict-no { background: color-mix(in srgb, var(--ok) 9%, var(--panel)); }

.verdict-head { display: flex; align-items: center; justify-content: space-between; }
.verdict-label { font-size: 12px; font-weight: 800; letter-spacing: .04em; color: var(--ink-3); text-transform: uppercase; }
.verdict-score { font-size: 20px; font-weight: 800; font-variant-numeric: tabular-nums; }
.verdict-score small { font-size: 11px; color: var(--ink-3); font-weight: 700; }
.verdict-answer { font-size: clamp(20px, 3.6vw, 26px); font-weight: 800; letter-spacing: -.03em; margin-top: 4px; }
.verdict-must   .verdict-answer { color: var(--danger); }
.verdict-should .verdict-answer { color: var(--warn); }
.verdict-skip .verdict-answer, .verdict-no .verdict-answer { color: var(--ok); }
.verdict-desc { margin-top: 6px; font-size: 14px; color: var(--ink-2); }
.verdict-why { margin-top: 12px; }
.verdict-why summary { font-size: 13px; font-weight: 700; color: var(--ink-2); cursor: pointer; }
.verdict-why ul { margin: 10px 0 0; padding-left: 0; list-style: none; display: grid; gap: 7px; }
.verdict-why li { font-size: 13px; color: var(--ink-2); padding-left: 20px; position: relative; line-height: 1.55; }
.verdict-why li::before { position: absolute; left: 0; top: 0; font-weight: 800; }
.verdict-why li.up::before { content: "▲"; color: var(--danger); font-size: 9px; top: 4px; }
.verdict-why li.down::before { content: "▼"; color: var(--ok); font-size: 9px; top: 4px; }

.amount-block { padding: 28px 24px; text-align: center; border-bottom: 1px solid var(--line); }
.amount-label { font-size: 13px; font-weight: 700; color: var(--ink-3); }
.amount-main {
  font-size: clamp(48px, 11vw, 68px); font-weight: 800; letter-spacing: -.05em;
  line-height: 1.05; margin-top: 6px; color: var(--accent); font-variant-numeric: tabular-nums;
}
.amount-main span { font-size: .38em; margin-left: 4px; letter-spacing: -.02em; }
.amount-won { font-size: 15px; font-weight: 700; color: var(--ink-2); margin-top: 2px; }
.amount-range { font-size: 13.5px; color: var(--ink-3); margin-top: 12px; }
.amount-range b { color: var(--ink-2); }
.amount-flag {
  display: inline-block; margin-top: 10px; font-size: 12.5px; font-weight: 700;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px; color: var(--ink-2);
}
.btn-save { margin-top: 18px; }

.callout { margin: 16px 24px; padding: 14px 16px; border-radius: 12px; font-size: 13.5px; line-height: 1.6; }
.callout.warn {
  background: color-mix(in srgb, var(--danger) 10%, var(--panel));
  border: 1px solid color-mix(in srgb, var(--danger) 35%, transparent);
}
.callout b { display: block; margin-bottom: 5px; font-size: 14px; }
.callout p { color: var(--ink-2); }

/* ---------- 계산 과정 ---------- */
.calc-steps { border-bottom: 1px solid var(--line); }
.calc-steps > summary {
  padding: 16px 24px; font-size: 14px; font-weight: 700; cursor: pointer;
  background: var(--panel-2); list-style: none;
}
.calc-steps > summary::-webkit-details-marker { display: none; }
.calc-steps > summary::after { content: " ▾"; color: var(--ink-3); }
.calc-steps[open] > summary::after { content: " ▴"; }

.steps { list-style: none; margin: 0; padding: 6px 24px 0; counter-reset: s; }
.step { padding: 13px 0; border-bottom: 1px dashed var(--line); }
.step:last-child { border-bottom: 0; }
.step-top { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.step-name { font-size: 13.5px; font-weight: 700; flex: 1 1 auto; min-width: 40%; }
.step-factor {
  font-size: 12px; font-weight: 700; color: var(--ink-2); background: var(--panel-2);
  border: 1px solid var(--line); border-radius: 7px; padding: 2px 8px; font-variant-numeric: tabular-nums;
}
.step-result { font-size: 13.5px; font-weight: 800; color: var(--accent); font-variant-numeric: tabular-nums; min-width: 62px; text-align: right; }
.step-why { font-size: 12.5px; color: var(--ink-3); margin-top: 5px; line-height: 1.6; }
.step-base .step-name::before { content: "① "; color: var(--ink-3); }
.step-snap { background: color-mix(in srgb, var(--accent) 5%, transparent); border-radius: 10px; padding: 13px 12px; margin: 0 -12px; }
.step-floor { background: color-mix(in srgb, var(--warn) 10%, transparent); border-radius: 10px; padding: 13px 12px; margin: 0 -12px; }
.steps-formula {
  margin: 4px 24px 18px; padding: 11px 13px; background: var(--panel-2); border-radius: 10px;
  font-size: 12px; color: var(--ink-3); font-weight: 600; text-align: center;
}

/* ---------- 노트 ---------- */
.notes { padding: 20px 24px; border-bottom: 1px solid var(--line); }
.notes-title { font-size: 13px; font-weight: 800; color: var(--ink-3); letter-spacing: .02em; margin-bottom: 12px; }
.note { display: flex; gap: 10px; padding: 9px 0; border-bottom: 1px dashed var(--line); }
.note:last-child { border-bottom: 0; }
.note-icon { flex: none; font-size: 14px; line-height: 1.7; }
.note p { font-size: 13px; color: var(--ink-2); line-height: 1.62; }

.used-sources { padding: 20px 24px 24px; }
.src-all { display: inline-block; margin-top: 12px; font-size: 13px; font-weight: 700; color: var(--accent); text-decoration: none; }

/* ---------- 출처 칩 ---------- */
.src-chips { display: inline-flex; flex-wrap: wrap; gap: 5px; margin-top: 7px; }
.src-chips.big { gap: 6px; }
.src-chip {
  font-size: 11px; font-weight: 700; text-decoration: none; padding: 2px 8px;
  border-radius: 999px; border: 1px solid var(--line-2); color: var(--ink-3); white-space: nowrap;
}
.src-chip::before { content: "📎 "; }
.src-chip:hover { color: var(--ink); border-color: var(--ink-3); }
.src-chip.tier-law { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 45%, transparent); }
.src-chip.tier-survey { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.src-ref { font-size: 12px; color: var(--accent); text-decoration: none; font-weight: 700; }

/* ---------- 기준표 ---------- */
.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin: 22px 0 14px; }
.tab {
  background: var(--panel); border: 1px solid var(--line); color: var(--ink-2);
  border-radius: 10px; padding: 8px 15px; font-size: 13.5px; font-weight: 700;
  cursor: pointer; font-family: inherit;
}
.tab.on { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.ref-table { width: 100%; border-collapse: collapse; min-width: 480px; font-size: 14px; line-height: 1.4; }
.ref-table th {
  text-align: left; font-size: 12px; font-weight: 800; color: var(--ink-3);
  padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--panel-2);
}
.ref-table td { padding: 9px 16px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.ref-table td.c-amt { width: 34%; }
.ref-table tr:last-child td { border-bottom: 0; }
.ref-table .grp td {
  background: var(--panel-2); font-size: 11.5px; font-weight: 800; color: var(--ink-3);
  letter-spacing: .04em; padding: 7px 16px;
}
.c-rel { font-weight: 600; }
.c-amt b { font-size: 15px; font-weight: 800; }
.c-amt small { display: block; color: var(--ink-3); font-size: 11.5px; font-weight: 600; }
.ob-badge { font-size: 11.5px; font-weight: 700; padding: 3px 10px; border-radius: 999px; white-space: nowrap; display: inline-block; }
.ob-must { background: color-mix(in srgb, var(--danger) 16%, transparent); color: var(--danger); }
.ob-should { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.ob-either { background: var(--panel-2); color: var(--ink-3); }
.ob-skip, .ob-no { background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); }
.table-note { margin-top: 12px; font-size: 12.5px; color: var(--ink-3); }

/* ---------- FAQ ---------- */
.faq-list { margin-top: 24px; display: grid; gap: 10px; }
.faq { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.faq summary {
  padding: 16px 18px; font-size: 15px; font-weight: 700; cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; gap: 12px; align-items: flex-start;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--ink-3); font-weight: 700; font-size: 19px; line-height: 1.1; flex: none; }
.faq[open] summary::after { content: "−"; }
.faq[open] summary { border-bottom: 1px dashed var(--line); }
.faq-a { padding: 14px 18px 18px; }
.faq-a p { font-size: 14px; color: var(--ink-2); line-height: 1.75; }

/* ---------- 기록 ---------- */
.log-list { margin-top: 22px; display: grid; gap: 8px; }
.empty { color: var(--ink-3); font-size: 14px; padding: 22px; text-align: center; background: var(--panel); border: 1px dashed var(--line-2); border-radius: var(--radius); }
.log-item {
  display: flex; align-items: center; gap: 12px; background: var(--panel);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px;
}
.log-icon { font-size: 20px; flex: none; }
.log-body { flex: 1 1 auto; min-width: 0; }
.log-who {
  width: 100%; background: transparent; border: 0; border-bottom: 1px dashed var(--line-2);
  color: var(--ink); font-size: 14.5px; font-weight: 700; font-family: inherit; padding: 2px 0;
}
.log-who::placeholder { color: var(--ink-3); font-weight: 500; }
.log-meta { font-size: 12px; color: var(--ink-3); margin-top: 4px; }
.log-amt { font-size: 15px; font-weight: 800; color: var(--accent); flex: none; font-variant-numeric: tabular-nums; }
.log-del { background: none; border: 0; color: var(--ink-3); cursor: pointer; font-size: 15px; padding: 4px 2px; flex: none; }
.log-del:hover { color: var(--danger); }
.log-actions { margin-top: 16px; display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- 출처 ---------- */
.tier-legend { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 20px; }
.tier { font-size: 11.5px; font-weight: 800; padding: 4px 11px; border-radius: 999px; border: 1px solid var(--line-2); color: var(--ink-3); }
.tier-law { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 45%, transparent); background: color-mix(in srgb, var(--ok) 9%, transparent); }
.tier-survey { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 45%, transparent); background: color-mix(in srgb, var(--accent) 9%, transparent); }
.tier-custom { color: var(--ink-3); background: var(--panel-2); }

.source-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; }
.source-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; box-shadow: var(--shadow-sm); scroll-margin-top: 80px;
}
.source-card:target { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
.source-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 10px; }
.source-date { font-size: 11.5px; color: var(--ink-3); font-weight: 700; }
.source-card h3 { font-size: 15px; font-weight: 800; letter-spacing: -.02em; }
.source-pub { font-size: 12.5px; color: var(--ink-3); margin-top: 3px; font-weight: 600; }
.source-detail { font-size: 13px; color: var(--ink-2); margin-top: 10px; line-height: 1.65; }
.source-link { display: inline-block; margin-top: 12px; font-size: 13px; font-weight: 700; color: var(--accent); text-decoration: none; }
.source-link:hover { text-decoration: underline; }

/* ---------- 면책 ---------- */
.disclaimer p { margin-top: 14px; color: var(--ink-2); font-size: 15px; line-height: 1.8; }

/* ---------- 푸터 ---------- */
.site-footer { padding: 40px 0 56px; border-top: 1px solid var(--line); background: var(--bg); }
.site-footer p { font-size: 14px; font-weight: 700; }
.foot-note { margin-top: 10px; font-size: 12.5px; color: var(--ink-3); font-weight: 400; line-height: 1.7; max-width: 720px; }

@media (max-width: 560px) {
  .panel { padding: 18px; }
  .verdict, .amount-block, .notes, .used-sources { padding-left: 18px; padding-right: 18px; }
  .steps { padding-left: 18px; padding-right: 18px; }
  .steps-formula { margin-left: 18px; margin-right: 18px; }
  .callout { margin-left: 18px; margin-right: 18px; }
  .calc-steps > summary { padding-left: 18px; padding-right: 18px; }
  .section { padding: 44px 0; }
  .hero { padding: 44px 0 34px; }
}

/* =========================================================
   광고 슬롯
   ========================================================= */
.ad-slot {
  display: block; margin: 28px auto; max-width: 100%; overflow: hidden;
  text-align: center; clear: both;
}
.ad-slot .adsbygoogle { display: block; width: 100%; }
.ad-label {
  display: block; font-size: 10.5px; font-weight: 700; letter-spacing: .08em;
  color: var(--ink-3); text-transform: uppercase; margin-bottom: 6px; text-align: left;
}
.ad-dev-box {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  height: 100%; min-height: inherit; border: 1px dashed var(--line-2); border-radius: var(--radius);
  background: var(--panel-2); color: var(--ink-3); padding: 20px;
}
.ad-dev-box b { font-size: 13px; font-weight: 700; }
.ad-dev-box span { font-size: 11.5px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

/* 광고와 클릭 요소가 붙지 않도록 최소 간격을 강제한다 (오클릭 방지 · 정책) */
.ad-guard { height: 28px; }
.ad-in-flow { margin: 34px 0; }
.ad-boxed {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 16px; box-shadow: var(--shadow-sm);
}
.ad-sticky { position: sticky; top: 76px; }
@media (max-width: 900px) { .ad-sticky { position: static; } .ad-desktop { display: none; } }
@media (min-width: 901px) { .ad-mobile { display: none; } }

/* =========================================================
   가이드 · 문서 페이지
   ========================================================= */
.breadcrumb { font-size: 12.5px; color: var(--ink-3); padding: 22px 0 0; }
.breadcrumb a { text-decoration: none; font-weight: 600; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { margin: 0 6px; opacity: .5; }

.doc-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 40px; align-items: start; padding: 8px 0 60px; }
@media (max-width: 980px) { .doc-layout { grid-template-columns: 1fr; gap: 0; } }

.doc-head { padding: 18px 0 26px; border-bottom: 1px solid var(--line); margin-bottom: 30px; }
.doc-kicker {
  display: inline-block; font-size: 12px; font-weight: 800; color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent); padding: 4px 11px; border-radius: 999px;
}
.doc-head h1 { font-size: clamp(26px, 5vw, 40px); font-weight: 800; letter-spacing: -.035em; margin-top: 14px; }
.doc-lead { margin-top: 14px; font-size: 16.5px; color: var(--ink-2); line-height: 1.75; }
.doc-meta { margin-top: 16px; font-size: 12.5px; color: var(--ink-3); display: flex; flex-wrap: wrap; gap: 12px; }

.toc { background: var(--panel-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 34px; }
.doc-body .toc h2 {
  font-size: 13px; font-weight: 800; color: var(--ink-3);
  margin: 0 0 10px; padding-top: 0; letter-spacing: 0;
}
.doc-body .toc ol { margin: 0; padding-left: 20px; display: grid; gap: 6px; }
.doc-body .toc li { margin: 0; }
.doc-body .toc a { font-size: 14px; color: var(--ink-2); text-decoration: none; font-weight: 600; }
.doc-body .toc a:hover { color: var(--accent); text-decoration: none; }

.doc-body { font-size: 16px; line-height: 1.85; color: var(--ink-2); }
.doc-body h2 {
  font-size: clamp(20px, 3.4vw, 26px); font-weight: 800; color: var(--ink);
  margin: 48px 0 16px; padding-top: 8px; letter-spacing: -.03em; scroll-margin-top: 76px;
}
.doc-body h3 { font-size: 17.5px; font-weight: 800; color: var(--ink); margin: 30px 0 10px; letter-spacing: -.02em; }
.doc-body p { margin: 14px 0; }
.doc-body ul, .doc-body ol { margin: 14px 0; padding-left: 22px; }
.doc-body li { margin: 7px 0; }
.doc-body b, .doc-body strong { color: var(--ink); }
.doc-body a { color: var(--accent); text-decoration: none; font-weight: 600; }
.doc-body a:hover { text-decoration: underline; }
.doc-body hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }

.doc-body table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14.5px; line-height: 1.5; }
.doc-body th {
  text-align: left; font-size: 12.5px; font-weight: 800; color: var(--ink-3);
  background: var(--panel-2); padding: 10px 14px; border-bottom: 1px solid var(--line-2);
}
.doc-body td { padding: 10px 14px; border-bottom: 1px solid var(--line); }
.doc-body td b { font-weight: 800; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.table-wrap table { margin: 0; min-width: 420px; }

.doc-body blockquote {
  margin: 22px 0; padding: 16px 20px; background: var(--panel-2);
  border-left: 3px solid var(--accent); border-radius: 0 var(--radius) var(--radius) 0;
}
.doc-body blockquote p { margin: 0; font-size: 15px; }
.doc-body blockquote cite { display: block; margin-top: 8px; font-size: 12.5px; color: var(--ink-3); font-style: normal; }

.key-box {
  background: var(--panel); border: 1px solid var(--line-2); border-radius: var(--radius);
  padding: 18px 20px; margin: 24px 0; box-shadow: var(--shadow-sm);
}
.key-box h3 { margin-top: 0; font-size: 15px; }
.key-box ul { margin-bottom: 0; }

.cta-calc {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  background: color-mix(in srgb, var(--accent) 9%, var(--panel));
  border: 1px solid color-mix(in srgb, var(--accent) 32%, transparent);
  border-radius: var(--radius-lg); padding: 20px 22px; margin: 34px 0;
}
.cta-calc p { margin: 0; font-size: 14.5px; color: var(--ink-2); }
.cta-calc b { display: block; font-size: 16px; color: var(--ink); margin-bottom: 3px; }

.doc-aside { display: grid; gap: 20px; }
@media (max-width: 980px) { .doc-aside { margin-top: 40px; } }
.aside-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow-sm); }
.aside-card h2 { font-size: 13px; font-weight: 800; color: var(--ink-3); margin-bottom: 12px; }
.aside-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.aside-links a {
  display: block; text-decoration: none; font-size: 14px; font-weight: 600; color: var(--ink-2);
  padding: 8px 10px; border-radius: 9px; line-height: 1.45;
}
.aside-links a:hover { background: var(--panel-2); color: var(--ink); }
.aside-links a.on { background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--ink); }

/* 가이드 허브 카드 */
.hub-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; margin-top: 28px; }
.hub-card {
  display: block; text-decoration: none; background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-sm); transition: border-color .14s ease, transform .1s ease;
}
.hub-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.hub-icon { font-size: 24px; }
.hub-card h3 { font-size: 16.5px; font-weight: 800; margin-top: 10px; letter-spacing: -.02em; }
.hub-card p { font-size: 13.5px; color: var(--ink-3); margin-top: 7px; line-height: 1.6; }
.hub-card .hub-more { display: inline-block; margin-top: 12px; font-size: 13px; font-weight: 700; color: var(--accent); }

/* 다음 글 */
.next-nav { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; margin-top: 30px; }
.next-nav a {
  text-decoration: none; background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px 18px;
}
.next-nav a:hover { border-color: var(--accent); }
.next-nav small { display: block; font-size: 11.5px; color: var(--ink-3); font-weight: 700; }
.next-nav b { display: block; font-size: 15px; margin-top: 4px; letter-spacing: -.02em; }

/* .doc-body a 가 버튼·카드 링크 색까지 덮어쓰지 않도록 되돌린다 */
.doc-body .btn-primary { color: var(--accent-ink); }
.doc-body .btn-primary:hover { text-decoration: none; }
.doc-body .btn-ghost { color: var(--ink-2); }
.doc-body .next-nav a { color: var(--ink-2); }
.doc-body .next-nav a:hover { text-decoration: none; }
.doc-body .next-nav a b { color: var(--ink); }

/* 푸터 확장 */
.footer-nav { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-bottom: 18px; }
.footer-nav a { font-size: 13.5px; font-weight: 600; color: var(--ink-2); text-decoration: none; }
.footer-nav a:hover { color: var(--accent); }

/* =========================================================
   모바일 고정 결과 바
   ---------------------------------------------------------
   모바일에서는 입력 폼이 길어 결과 패널이 2,500px 아래에 놓인다.
   그래서 입력을 바꿔도 답이 보이지 않는다.
   화면 하단에 요약을 띄우고, 탭하면 전체 결과로 이동시킨다.
   결과 패널이 화면에 들어오면 스스로 사라진다.
   ========================================================= */
.mobile-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  display: none; align-items: center; gap: 12px;
  width: 100%; border: 0; border-top: 1px solid var(--line-2);
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px));
  font-family: inherit; text-align: left; cursor: pointer;
  box-shadow: 0 -4px 22px rgba(0, 0, 0, .16);
  transform: translateY(100%); transition: transform .22s ease;
}
.mobile-bar.on { transform: translateY(0); }
.mb-main { flex: 1 1 auto; min-width: 0; }
.mb-verdict { display: block; font-size: 11.5px; font-weight: 800; letter-spacing: .02em; line-height: 1.3; }
.mb-verdict.v-must { color: var(--danger); }
.mb-verdict.v-should { color: var(--warn); }
.mb-verdict.v-either { color: var(--ink-3); }
.mb-verdict.v-skip, .mb-verdict.v-no { color: var(--ok); }
.mb-amount {
  display: block; font-size: 20px; font-weight: 800; color: var(--ink);
  letter-spacing: -.03em; line-height: 1.25; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis;
}
.mb-amount small { font-size: 12.5px; font-weight: 700; color: var(--ink-3); margin-left: 6px; letter-spacing: 0; }
.mb-cta {
  flex: none; font-size: 13px; font-weight: 800; color: var(--accent-ink);
  background: var(--accent); border-radius: 10px; padding: 10px 14px; white-space: nowrap;
}

@media (max-width: 900px) {
  .mobile-bar { display: flex; }
  /* 바가 푸터 마지막 줄을 가리지 않도록 여백 확보 */
  body.has-mobile-bar { padding-bottom: 76px; }
}

/* =========================================================
   모바일 터치 최적화
   ========================================================= */
@media (max-width: 640px) {
  /* 탭 타겟 최소 44px (기존 40px) */
  .chip { min-height: 44px; padding: 11px 14px; }
  .chips.small .chip { min-height: 42px; padding: 10px 13px; }
  .btn { min-height: 46px; }
  .log-del { min-width: 40px; min-height: 40px; }
  .tab { min-height: 42px; }

  /* 결과 금액이 화면을 덜 잡아먹도록 */
  .amount-main { font-size: 46px; }
  .amount-block { padding: 22px 18px; }

  /* 가로 스크롤 표에 스크롤 가능하다는 힌트 */
  .table-scroll, .table-wrap { -webkit-overflow-scrolling: touch; }
}