/* 살림 계산기 — 배추잎 바탕, 고춧가루 숫자 */
:root {
  --paper: #f3f6ee;      /* 절인 배추 속잎 */
  --sheet: #ffffff;
  --ink: #1f2a1c;
  --muted: #56634f;
  --leaf: #3f6b2e;       /* 배추 겉잎 */
  --leaf-soft: #e2ead6;
  --chili: #b3261e;      /* 고춧가루 */
  --line: #d3dcc7;
  --display: 'Black Han Sans', 'Gothic A1', sans-serif;
  --body: 'Gothic A1', -apple-system, 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  --radius-s: 6px;
  --radius-l: 14px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.65 var(--body);
  word-break: keep-all;
  overflow-wrap: anywhere;
}
a { color: var(--leaf); text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--leaf); outline-offset: 2px; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 8px; background: var(--sheet); padding: 8px 12px; z-index: 10; }

.site-header, main, .site-footer { max-width: 640px; margin: 0 auto; padding: 0 16px; }
.site-header { padding-top: 16px; }
.site-name { font-weight: 700; text-decoration: none; color: var(--leaf); font-size: 15px; }

h1 {
  font: 400 clamp(2.4rem, 11vw, 3.4rem)/1.1 var(--display);
  letter-spacing: -0.01em;
  margin: 28px 0 12px;
}
h2 { font-size: 1.3rem; line-height: 1.35; margin: 48px 0 12px; }
h3 { font-size: 1rem; color: var(--leaf); margin: 20px 0 4px; }
.lead { font-size: 1.08rem; color: var(--muted); margin: 0 0 24px; max-width: 34em; }
.fine, .hint { font-size: 0.9rem; color: var(--muted); }

/* 계산기 */
.calc {
  background: var(--sheet);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 20px 16px 8px;
}
fieldset { border: 0; padding: 0; margin: 0 0 20px; min-width: 0; }
legend { font-weight: 700; font-size: 0.95rem; margin-bottom: 8px; padding: 0; }

.segs { display: grid; gap: 6px; }
.segs-units { grid-template-columns: 1fr 1fr; }
.segs-3 { grid-template-columns: repeat(3, 1fr); }
.seg { position: relative; }
.seg input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.seg span {
  display: flex; align-items: center; justify-content: center; text-align: center;
  min-height: 48px; padding: 6px 8px;
  border: 1.5px solid var(--line); border-radius: var(--radius-s);
  font-size: 0.95rem; line-height: 1.3; background: var(--sheet);
}
.seg input:checked + span { border-color: var(--leaf); background: var(--leaf-soft); font-weight: 700; color: var(--leaf); }
.seg input:focus-visible + span { outline: 3px solid var(--leaf); outline-offset: 2px; }

.amount { margin: 4px 0 24px; }
.amount-label { display: block; font-weight: 700; font-size: 0.95rem; margin-bottom: 8px; }
.stepper { display: grid; grid-template-columns: 56px 1fr auto 56px; align-items: center; gap: 8px; }
.step {
  height: 56px; border-radius: var(--radius-s); border: 1.5px solid var(--leaf);
  background: var(--sheet); color: var(--leaf); font-size: 1.8rem; line-height: 1; cursor: pointer;
}
.step:active { background: var(--leaf-soft); }
.stepper input {
  width: 100%; min-width: 0; height: 56px; text-align: right;
  font: 400 2rem/1 var(--display); color: var(--ink);
  border: 0; border-bottom: 2px solid var(--line); background: transparent; padding: 0 4px;
  -moz-appearance: textfield;
}
.stepper input::-webkit-inner-spin-button, .stepper input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.stepper input:focus { border-bottom-color: var(--leaf); outline: none; }
.suffix { font-weight: 700; color: var(--muted); }
.derived { margin: 10px 0 0; color: var(--muted); font-size: 0.95rem; }

.opt-list { display: flex; flex-wrap: wrap; gap: 8px; }
.opt { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 14px 0 10px; border: 1.5px solid var(--line); border-radius: 999px; background: var(--sheet); cursor: pointer; }
.opt input { width: 20px; height: 20px; accent-color: var(--leaf); margin: 0; }

/* 결과: 시장 메모지처럼 이름 …… 양 */
.results h2 { margin-top: 36px; }
.memo { list-style: none; margin: 0; padding: 0; }
.memo li { display: flex; align-items: baseline; gap: 10px; padding: 8px 0; }
.memo li::after { content: none; }
.memo .name { flex: 0 1 auto; font-weight: 600; }
.memo .name small { display: block; font-weight: 400; color: var(--muted); font-size: 0.82rem; }
.memo li { background: linear-gradient(var(--line), var(--line)) 0 calc(100% - 0px) / 100% 1px no-repeat; }
.qty {
  margin-left: auto; white-space: nowrap;
  font: 400 1.9rem/1 var(--display); color: var(--chili);
}

/* 장보기 목록 */
.checklist { list-style: none; margin: 8px 0 0; padding: 0; background: var(--sheet); border: 1px solid var(--line); border-radius: var(--radius-l); }
.checklist li + li { border-top: 1px solid var(--line); }
.checklist label { display: grid; grid-template-columns: 28px 1fr auto; gap: 10px; align-items: center; padding: 12px 14px; min-height: 52px; cursor: pointer; }
.checklist input { width: 24px; height: 24px; accent-color: var(--leaf); margin: 0; }
.checklist .buy { text-align: right; font-weight: 700; }
.checklist .buy small { display: block; font-weight: 400; color: var(--muted); font-size: 0.8rem; }
.checklist input:checked ~ span { color: var(--muted); text-decoration: line-through; }

.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.btn { min-height: 48px; padding: 0 18px; border-radius: var(--radius-s); border: 0; background: var(--leaf); color: #fff; font: 700 1rem var(--body); cursor: pointer; }
.btn.quiet { background: transparent; color: var(--leaf); border: 1.5px solid var(--line); }
.status { min-height: 1.5em; font-size: 0.9rem; color: var(--leaf); }

/* 표 */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--sheet); border-radius: var(--radius-s); font-size: 0.95rem; }
caption { text-align: left; color: var(--muted); font-size: 0.9rem; padding: 0 0 8px; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; }
th[scope="row"], thead th:first-child { text-align: left; font-weight: 600; }
thead th { background: var(--leaf-soft); font-weight: 700; }

.steps { padding-left: 1.3em; }
.steps li { margin-bottom: 6px; }

details { border-bottom: 1px solid var(--line); padding: 12px 0; }
summary { font-weight: 700; cursor: pointer; }
details p { margin: 8px 0 0; color: var(--muted); }

.related ul { list-style: none; padding: 0; display: grid; gap: 6px; }
.related a { display: block; padding: 12px 14px; background: var(--sheet); border: 1px solid var(--line); border-radius: var(--radius-s); text-decoration: none; font-weight: 600; }

.tool-list { list-style: none; padding: 0; }
.tool-list a { display: block; padding: 18px; background: var(--sheet); border: 1px solid var(--line); border-radius: var(--radius-l); text-decoration: none; color: var(--ink); }
.tool-list strong { display: block; font: 400 1.5rem/1.2 var(--display); color: var(--leaf); margin-bottom: 4px; }
.tool-list span { color: var(--muted); }

.site-footer { margin-top: 64px; padding-top: 16px; padding-bottom: 40px; border-top: 1px solid var(--line); font-size: 0.85rem; color: var(--muted); }

@media (min-width: 560px) {
  .segs-units { grid-template-columns: repeat(4, 1fr); }
  .calc { padding: 24px 24px 8px; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }