/*
 * 홍랑이 인연 · 공개 물가 참고 계산
 * 외부 글꼴·이미지 없이 시스템 글꼴과 홍랑이 색(한지·먹·홍·청자·황)만 쓴다.
 */
:root {
  --surface: #f7f4eb;
  --surface-raised: #fffdf7;
  --surface-sunken: #ede7d6;
  --ink: #1a1a1a;
  --ink-muted: #5c574f;
  --line: #ded7c5;
  --hong: #c93b2b;
  --hong-strong: #86251b;
  --hong-soft: #fbedea;
  --cheongja: #567d70;
  --cheongja-soft: #eef4f2;
  --hwang: #8c6a26;
  --hwang-soft: #f6ead0;
  --focus: #6c9a8b;
  --font-sans: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", system-ui, sans-serif;
  --font-serif: "Noto Serif KR", "Nanum Myeongjo", "Batang", serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface: #151413;
    --surface-raised: #1f1e1c;
    --surface-sunken: #0f0e0d;
    --ink: #f7f4eb;
    --ink-muted: #b5ae9f;
    --line: #34312c;
    --hong: #e0574a;
    --hong-strong: #edaba2;
    --hong-soft: #42120d;
    --cheongja: #8fb3a8;
    --cheongja-soft: #1e2c27;
    --hwang: #e2c27f;
    --hwang-soft: #3a2f16;
    --focus: #8fb3a8;
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  word-break: keep-all;
  overflow-wrap: anywhere;
  -webkit-font-smoothing: antialiased;
}

.page {
  max-width: 68rem;
  margin: 0 auto;
  padding: 2rem 1rem 3rem;
}

.masthead {
  max-width: 44rem;
  margin-bottom: 2rem;
}

.brand {
  margin: 0 0 0.5rem;
  color: var(--hong);
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
}

h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 1.2rem + 2.4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.lede {
  margin: 0.75rem 0 0;
  color: var(--ink-muted);
}

.privacy {
  display: inline-block;
  margin: 1rem 0 0;
  padding: 0.5rem 0.875rem;
  border-left: 3px solid var(--cheongja);
  background: var(--cheongja-soft);
  font-size: 0.875rem;
}

.layout {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 960px) {
  .layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: start;
  }
  .results {
    position: sticky;
    top: 1rem;
  }
}

.calc,
.results {
  display: grid;
  gap: 1rem;
  min-width: 0;
}

.group,
.panel {
  margin: 0;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--surface-raised);
  min-width: 0;
}

.group > legend {
  float: left;
  width: 100%;
  margin: 0 0 0.75rem;
  padding: 0;
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
}

.group > legend + * {
  clear: both;
}

.optional {
  color: var(--ink-muted);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 400;
}

.row {
  display: grid;
  gap: 0.875rem;
}

@media (min-width: 560px) {
  .row {
    grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  min-width: 0;
  margin-top: 0.875rem;
}

.row > .field {
  margin-top: 0;
}

label {
  font-size: 0.875rem;
  font-weight: 500;
}

input,
select {
  width: 100%;
  min-width: 0;
  height: 2.75rem;
  padding: 0 0.75rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
}

input::placeholder {
  color: var(--ink-muted);
  opacity: 0.75;
}

input[aria-invalid="true"] {
  border-color: var(--hong);
}

select:disabled {
  opacity: 0.55;
}

input:focus-visible,
select:focus-visible,
button:focus-visible,
summary:focus-visible,
a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.hint,
.error {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.5;
}

.hint {
  color: var(--ink-muted);
}

.error {
  color: var(--hong-strong);
  font-weight: 600;
}

.error[hidden] {
  display: none;
}

.assumptions {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
}

.assumptions summary {
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
}

.assumptions .hint {
  margin-top: 0.5rem;
}

.assumptions .row {
  margin-top: 0.75rem;
}

button {
  font: inherit;
  cursor: pointer;
}

.primary {
  justify-self: start;
  height: 2.75rem;
  padding: 0 1.5rem;
  border: 0;
  border-radius: 0.75rem;
  background: var(--hong);
  color: #fffdf7;
  font-weight: 600;
}

.secondary {
  margin: 0.5rem 0.5rem 0 0;
  height: 2.25rem;
  padding: 0 0.875rem;
  border: 1px solid var(--line);
  border-radius: 0.625rem;
  background: var(--surface);
  color: var(--ink);
  font-size: 0.875rem;
}

.panel h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
}

.panel p {
  margin: 0;
}

.muted {
  color: var(--ink-muted);
}

.small {
  font-size: 0.8125rem;
}

.figure {
  margin: 0.25rem 0 !important;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 1.5rem + 2vw, 2.75rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.figure .unit {
  margin-left: 0.25rem;
  color: var(--ink-muted);
  font-size: 0.5em;
}

.warning {
  padding: 0.625rem 0.875rem;
  border-radius: 0.625rem;
  background: var(--hwang-soft);
  color: var(--ink);
  font-size: 0.875rem;
}

ul.warning {
  padding-left: 1.75rem;
}

.source {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  background: var(--surface-sunken);
  color: var(--ink-muted);
  font-size: 0.8125rem;
}

.source ul {
  margin: 0 0 0.375rem;
  padding-left: 1.125rem;
}

.source a {
  color: inherit;
  text-underline-offset: 2px;
}

.disclaimer {
  margin-bottom: 0.875rem !important;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  font-size: 0.875rem;
}

.candidates {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.candidate {
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: var(--surface);
}

.candidate .amount {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
}

.tag {
  padding: 0.0625rem 0.5rem;
  border-radius: 999px;
  background: var(--surface-sunken);
  color: var(--ink-muted);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
}

.tag-warn {
  background: var(--hwang-soft);
  color: var(--hwang);
}

.notes {
  margin: 0.375rem 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.875rem;
}

.notes li {
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
  margin-top: 0.25rem;
}

.basis {
  flex-shrink: 0;
  padding: 0 0.375rem;
  border-radius: 0.375rem;
  font-size: 0.75rem;
  font-weight: 600;
}

.basis-fact {
  background: var(--cheongja-soft);
  color: var(--cheongja);
}

.basis-opinion {
  border: 1px solid var(--line);
  color: var(--ink-muted);
}

.basis-budget {
  background: var(--hwang-soft);
  color: var(--hwang);
}

.basis-limit {
  background: var(--surface-sunken);
  color: var(--ink-muted);
}

.explain {
  margin-top: 1rem;
}

.explain h3 {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.8125rem;
  font-weight: 700;
}

.explain-fact h3 {
  color: var(--cheongja);
}

.explain ul {
  margin: 0.25rem 0 0;
  padding-left: 1.25rem;
  font-size: 0.875rem;
}

.site-footer {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--ink-muted);
  font-size: 0.8125rem;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: inherit;
  text-underline-offset: 2px;
}

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