/* ===================================================
   justmakehabit - Standard Editorial Design System
   규격 원칙:
   1. 상단 헤더: JMH 뱃지 + justmakehabit 볼드 로고 영구 고정
   2. 전체 레이아웃: 콘텐츠 영역 + 우측 거시경제 배너(250px) 2단 고정
   3. 본문 너비: 아티클 620px (티스토리 표준) / 인덱스 800px / 계산기 760px
   4. 오버플로우 0% 보장 (box-sizing, keep-all, anywhere)
   =================================================== */

:root {
  --bg-canvas: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-subtle: #F1F5F9;
  --border-color: #E2E8F0;
  --border-dark: #0F172A;
  
  --text-primary: #0F172A;
  --text-secondary: #334155;
  --text-muted: #64748B;
  --text-light: #94A3B8;

  --accent-blue: #2563EB;
  --accent-blue-bg: #EFF6FF;
  --accent-gold: #D97706;
  --accent-gold-bg: #FEF3C7;
  --accent-green: #059669;
  --accent-green-bg: #ECFDF5;
  --accent-danger: #DC2626;

  --font-sans: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-serif: 'Playfair Display', Georgia, serif;

  --header-height: 60px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ===================================================
   1. 상단 글로벌 헤더 (초기 버전 고정)
   =================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-color);
}

.header-container {
  max-width: 1100px;
  margin: 0 auto;
  height: 100%;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-badge {
  background: var(--border-dark);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  padding: 3px 7px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
}

.logo-text {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

.h-nav-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

.h-nav-link:hover, .h-nav-link.active {
  color: var(--accent-blue);
}

/* ===================================================
   2. 표준 2단 레이아웃 (CSS Grid 기반 - 절대 겹침 방지)
   =================================================== */
.standard-layout {
  max-width: 1080px;
  margin: 32px auto 80px;
  padding: 0 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: 24px;
  align-items: start;
}

/* 본문 영역 규격 */
.main-content-area {
  min-width: 0;
  width: 100%;
}

/* 본문 타입별 최대 너비 */
.main-content-area.type-index {
  max-width: 800px;
}

.main-content-area.type-article {
  max-width: 620px; /* 티스토리 표준 황금비율 */
  margin: 0 auto;
}

.main-content-area.type-tools {
  max-width: 760px;
}

/* 우측 배너 (폭 250px 고정, 겹침 0% 보장) */
.sidebar-right {
  width: 250px;
  min-width: 250px;
}

.macro-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.02);
}

.macro-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.macro-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}

.macro-badge {
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-subtle);
  padding: 2px 6px;
  border-radius: 4px;
}

.macro-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.macro-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}

.macro-item .m-label {
  color: var(--text-muted);
}

.macro-item .m-val {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-primary);
}

.macro-item .m-val.highlight {
  color: var(--accent-gold);
}

.macro-footer {
  font-size: 11px;
  color: var(--text-light);
  line-height: 1.45;
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px dashed var(--border-color);
}

/* ===================================================
   3. 인덱스(홈) 전용 컴포넌트
   =================================================== */
.intro-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-bottom: 28px;
}

.intro-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--accent-blue);
  background: var(--accent-blue-bg);
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 10px;
}

.intro-box h1 {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.35;
}

.intro-box p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  margin: 0;
}

/* 인덱스 카테고리 보드 (2열) */
.index-boards-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.deck-board {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
}

.deck-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border-dark);
  margin-bottom: 12px;
}

.deck-head h2 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.deck-more {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-decoration: none;
}

.deck-more:hover {
  color: var(--accent-blue);
}

.deck-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.deck-list li {
  border-bottom: 1px dashed var(--bg-subtle);
}

.deck-list li:last-child {
  border-bottom: none;
}

.deck-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 6px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  gap: 12px;
  transition: all 0.15s;
}

.deck-item:not(.disabled):hover {
  background: var(--bg-subtle);
}

.deck-item:not(.disabled):hover .di-title {
  color: var(--accent-blue);
}

.di-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.di-date {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-light);
  flex-shrink: 0;
}

.deck-item.disabled {
  opacity: 0.65;
  cursor: default;
}

/* ===================================================
   4. 아티클(글) 전용 컴포넌트 (티스토리 620px 뷰)
   =================================================== */
.article-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px 44px;
}

.art-category {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  margin-bottom: 14px;
}

.art-badge {
  background: var(--accent-blue-bg);
  color: var(--accent-blue);
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
}

.art-sub {
  color: var(--text-muted);
}

.art-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 16px;
}

.art-meta {
  font-size: 12px;
  color: var(--text-light);
  padding-bottom: 24px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border-color);
}

/* 리드 인용구 카드 */
.lead-quote {
  background: var(--bg-subtle);
  border-left: 3px solid var(--accent-blue);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 18px 22px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 32px;
}

.lead-quote strong {
  color: var(--text-primary);
}

.art-body h2 {
  font-size: 19px;
  font-weight: 800;
  color: var(--text-primary);
  margin: 36px 0 14px;
}

.art-body p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 18px;
}

/* 3대 컨셉 리스트 */
.concept-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 20px 0 28px;
}

.concept-row {
  background: var(--bg-canvas);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
}

.concept-row .cr-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  color: var(--accent-blue);
  margin-bottom: 4px;
}

.concept-row h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.concept-row p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}

/* 사다리 계단 */
.ladder-stack {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 20px 0 28px;
}

.ladder-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
}

.ladder-item.current {
  background: var(--accent-gold-bg);
  border-color: var(--accent-gold);
}

.li-badge {
  font-size: 11px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 20px;
  background: var(--bg-subtle);
  color: var(--text-secondary);
}

.ladder-item.current .li-badge {
  background: var(--accent-gold);
  color: #FFFFFF;
}

.li-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.li-info strong {
  font-size: 13px;
  color: var(--text-primary);
}

.li-info span {
  font-size: 11px;
  color: var(--text-muted);
}

/* 반응형 비디오 임베드 (16:9) */
.video-responsive-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 비율 */
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: #0F172A;
  margin: 20px 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.video-responsive-wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* 테이블 */
.table-wrap {
  overflow-x: auto;
  margin: 20px 0 28px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.art-table {
  width: 100%;
  border-collapse: collapse;
}

.art-table th {
  background: var(--bg-canvas);
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.art-table td {
  padding: 14px;
  font-size: 13px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--bg-subtle);
  vertical-align: middle;
}

.art-table tr:last-child td {
  border-bottom: none;
}

.pill-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 20px;
}

.pill-tag.blue { background: var(--accent-blue-bg); color: var(--accent-blue); }
.pill-tag.amber { background: var(--accent-gold-bg); color: var(--accent-gold); }
.pill-tag.green { background: var(--accent-green-bg); color: var(--accent-green); }

/* 하단 카테고리 진입 덱 (아티클 끝에서 다른 카테고리로 넘어가기) */
.category-nav-deck {
  margin-top: 48px;
  padding-top: 28px;
  border-top: 2px solid var(--border-dark);
}

.deck-section-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.deck-cards-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.deck-shortcut-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-canvas);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  text-decoration: none;
  transition: all 0.15s;
}

.deck-shortcut-card:hover {
  border-color: var(--accent-blue);
  background: var(--bg-card);
}

.dsc-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.dsc-icon {
  font-size: 20px;
}

.dsc-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}

.dsc-arrow {
  font-size: 13px;
  color: var(--accent-blue);
  font-weight: 700;
}

/* 댓글 */
.comment-box {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.cb-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.cb-head h3 {
  font-size: 16px;
  font-weight: 700;
}

.cb-count {
  font-size: 12px;
  color: var(--text-muted);
}

.cb-input {
  width: 100%;
  max-width: 240px;
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 8px;
}

.cb-textarea {
  width: 100%;
  min-height: 80px;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 13px;
  line-height: 1.5;
  resize: vertical;
  margin-bottom: 10px;
}

.cb-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cb-tip {
  font-size: 11px;
  color: var(--text-light);
}

.cb-btn {
  background: var(--border-dark);
  color: #FFFFFF;
  border: none;
  font-size: 12px;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.cb-list {
  margin-top: 20px;
}

.empty-comment {
  font-size: 13px;
  color: var(--text-light);
  text-align: center;
  padding: 24px 0;
}

/* ===================================================
   5. 실전 도구 (계산기 760px - 이전 2열 컴팩트 버전 복원)
   =================================================== */
.calculator-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
}

.calc-grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 24px;
}

.calc-panel {
  background: var(--bg-canvas);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
}

.panel-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.c-form-group {
  margin-bottom: 16px;
}

.c-form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.c-input-box {
  position: relative;
  display: flex;
  align-items: center;
}

.c-field {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: #FFFFFF;
}

.c-unit {
  position: absolute;
  right: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.c-hint {
  display: block;
  font-size: 11px;
  color: var(--text-light);
  margin-top: 4px;
}

/* 결과 패널 */
.result-panel {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.net-display {
  background: var(--accent-blue-bg);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 16px;
  text-align: center;
}

.net-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-blue);
  display: block;
  margin-bottom: 4px;
}

.net-val {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 800;
  color: var(--accent-blue);
}

.deduct-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 12px;
}

.d-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
}

.d-row.highlight {
  font-weight: 700;
  color: var(--text-primary);
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-color);
}

.d-row.total {
  font-weight: 700;
  color: var(--accent-danger);
  padding-top: 6px;
  border-top: 1px solid var(--border-color);
}

.calc-disclaimer {
  font-size: 11px;
  color: var(--text-light);
  line-height: 1.45;
  margin-top: 16px;
}

/* 홈 하단 소개 페이지(About) 배너 안내 */
.about-lead-deck {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 22px 28px;
  gap: 20px;
}

.ald-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ald-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--accent-blue);
  background: var(--accent-blue-bg);
  padding: 2px 6px;
  border-radius: 4px;
  width: fit-content;
}

.ald-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.ald-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0 !important;
}

.ald-btn {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
  background: var(--bg-subtle);
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.15s;
}

.ald-btn:hover {
  background: var(--border-dark);
  color: #FFFFFF;
}

/* 푸터 */
.site-footer {
  padding: 28px 0;
  border-top: 1px solid var(--border-color);
  background: #FFFFFF;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-light);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--text-primary);
}

/* 반응형 */
@media (max-width: 860px) {
  .standard-layout {
    grid-template-columns: 1fr;
  }
  .sidebar-right {
    width: 100%;
    min-width: 100%;
  }
}

@media (max-width: 640px) {
  .index-boards-grid,
  .calc-grid-2col,
  .deck-cards-row {
    grid-template-columns: 1fr;
  }
  .article-box, .calculator-box, .intro-box {
    padding: 24px 20px;
  }
}