/* 251204목 공통 스타일 */

/* 박스 모델 통일 */
* {
  box-sizing: border-box;
}

/* =============================
   기본 타이포 & 반응형 글자 크기
   ============================= */
html {
  font-size: 16px; /* PC 기본 rem 기준 */
}

@media (max-width: 600px) {
  html {
    font-size: 15px; /* 모바일은 전체 스케일 자연스럽게 감소 */
  }
}

body {
  margin: 0;
  padding: 0;
  background: #fff;
  color: #111;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, "Apple SD Gothic Neo", "Noto Sans KR", "맑은 고딕", sans-serif;
  line-height: 1.5;
  word-break: keep-all;
}

/* 링크 기본 */
a {
  text-decoration: none;
  color: inherit;
}

/* =============================
   전역 헤딩 계층
   ============================= */

/* 페이지 제목: 사이트 전체에서 최우선 */
body h1 {
  font-size: 2.2rem;
  margin: 28px 0 18px;
  text-align: center !important;
  color: #111;
  font-weight: 700;
}

/* 큰 섹션 제목 */
body h2 {
  font-size: 1.6rem;
  margin: 28px 0 12px;
  color: #222;
  font-weight: 700;
}

/* 중간 소제목 */
body h3 {
  font-size: 1.4rem;
  margin: 20px 0 10px;
  color: #222;
  font-weight: 600;
}

/* 소단락 제목 */
body h4 {
  font-size: 1.2rem;
  margin: 16px 0 8px;
  color: #333;
  font-weight: 600;
}

/* =============================
   본문 텍스트 (1.1rem로 상향)
   ============================= */

body p,
body li,
body div,
body span {
  font-size: 1.1rem;
  line-height: 1.65;
  color: #333;
}

body p {
  margin: 14px 0;
}

body li {
  margin: 4px 0;
  line-height: 1.55;
}

ul, ol {
  margin: 12px 0 18px;
  padding-left: 22px;
}

body .muted {
  font-size: 0.95rem;
  color: #666;
}

/* =============================
   예외 클래스(local-*)
   ============================= */

.local-h2 { font-size: 1.3rem !important; }
.local-h3 { font-size: 1.1rem !important; }
.local-large { font-size: 1.2rem !important; }
.local-small { font-size: 0.9rem !important; }
.local-tight { margin-bottom: 6px !important; }
.local-accent { color: #0051a8 !important; }

/* =============================
   레이아웃 공통
   ============================= */

.shell {
  max-width: 880px;
  margin: 0 auto;
}

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 24px 16px;
}

.sub {
  margin: 0.25rem 0 0;
  font-size: 1rem;
  color: #555;
}

/* 상단 헤더 */
.site-header {
  background: #fff;
  border-bottom: 1px solid #e8e8ef;
}

.site-header .shell {
  padding: 16px;
}

/* 섹션 카드 */
.section {
  border: 1px solid #e5e5e5;
  border-radius: 12px;
  padding: 20px 22px;
  margin: 18px 0;
  background: #fff;
}

/* 내부 카드 */
.card {
  border: 1px solid #e5e5e5;
  border-radius: 10px;
  padding: 14px 16px;
  margin: 14px 0;
  background: #fafafa;
}

/* =============================
   레이아웃 유틸
   ============================= */

.row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.row.between { justify-content: space-between; }
.row.gap { gap: 10px; }

.grid {
  display: grid;
  gap: 12px;
}

.grid.two { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid.three { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }

@media (max-width: 640px) {
  .row { flex-wrap: wrap; align-items: flex-start; }
  .grid.two, .grid.three { grid-template-columns: 1fr; }
}

/* =============================
   버튼 스타일
   ============================= */

.btn {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid #222;
  font-weight: 600;
  font-size: 1rem;
  color: #111;
  background: #fff;
  cursor: pointer;
}

.btn + .btn { margin-left: 10px; }
.btn:hover { background: #f3f4f6; }

.btn.primary { background: #111; color: #fff; }
.btn.primary:hover { background: #000; }

.btn.ghost { background: #f9fafb; border-color: #d4d4d8; }
.btn.ghost:hover { background: #eef2ff; }

.btn-desc {
  font-size: 1rem;
  margin: 6px 0 18px;
  color: #333;
}

.btn-lightgrey {
  padding: 8px 14px;
  border-radius: 10px;
  background: #f3f4f6;
  border: 1px solid #d4d4d8;
}

/* 메인으로 돌아가기 */
.home-link-wrap {
  max-width: 880px;
  margin: 16px auto 0;
  padding: 0 16px;
  display: flex;
  justify-content: flex-start;
  gap: 8px;
  flex-wrap: wrap;
}

.btn-home {
  padding: 8px 16px;
  border: 1px solid #d1d5db;
  border-radius: 999px;
  background: #f9fafb;
  font-size: 1rem;
  white-space: nowrap;
}

.btn-home:hover {
  background: #eef2ff;
}

/* =============================
   푸터
   ============================= */

.site-footer {
  border-top: 1px solid #e8e8ef;
  margin-top: 32px;
  padding: 16px 0 20px;
  color: #444;
  font-size: 1rem;
}

.site-footer p { margin: 4px 0; }

/* =============================
   입력 UI
   ============================= */

input,
select,
button,
textarea {
  font: inherit;
}

input[type="text"],
input[type="number"],
input[type="time"],
input[type="date"],
select,
textarea {
  padding: 10px 12px;
  border: 1px solid #d9d9e3;
  border-radius: 12px;
  background: #f9fafb;
  outline: none;
  min-width: 0;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.02);
}

input:focus,
select:focus,
textarea:focus {
  border-color: #b4b4d0;
  box-shadow: 0 0 0 2px rgba(180, 180, 208, 0.25);
  background: #fff;
}

input:disabled,
select:disabled,
textarea:disabled {
  background: #f6f7fb;
  color: #888;
}

.numeric { text-align: right; }

/* =============================
   구분선(hr)
   ============================= */

hr {
  border-top: 1px solid #ddd;
  margin: 26px 0;
  opacity: 0.9;
}

body h2 + hr {
  margin-top: 10px !important;
}

/* =============================
   테이블 스타일
   ============================= */

.table-wrap,
.table-wrapper {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 12px 0;
  padding-bottom: 6px;
}

.table-wrap table,
.table-wrapper table {
  min-width: 800px;
  border-collapse: collapse;
}

.sheetlike {
  width: 100%;
  border-collapse: collapse;
  font-size: 1rem;
  background: #fff;
}

.sheetlike th,
.sheetlike td {
  border: 1px solid #e5e7eb;
  padding: 8px 10px;
}

.sheetlike th {
  background: #f9fafb;
  font-weight: 600;
}

.note {
  margin-top: 8px;
  font-size: 1rem;
  color: #555;
}

/* =============================
   header/footer 레이아웃 통일
   ============================= */

.site-header .shell,
.site-footer .shell {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 16px;
}