/* ===== 기본 변수 ===== */
:root {
  --bg: #fdfcfb;
  --bg-elevated: #ffffff;
  --text: #1a1a1a;
  --text-muted: #6b6b6b;
  --accent: #d97757;
  --accent-hover: #c2653f;
  --border: #ececec;
  --radius: 12px;
  --max-width: 720px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Pretendard", "Noto Sans KR", Roboto, sans-serif;
  --font-serif: Georgia, "Noto Serif KR", serif;
}

[data-theme="dark"] {
  --bg: #16151a;
  --bg-elevated: #1f1e24;
  --text: #f2f0eb;
  --text-muted: #a3a0a0;
  --border: #2e2d33;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.7;
  transition: background 0.2s ease, color 0.2s ease;
}

img {
  max-width: 100%;
  border-radius: var(--radius);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* ===== 레이아웃 ===== */
.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

header.site-header {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

header.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
}

.brand:hover {
  text-decoration: none;
  color: var(--accent);
}

nav.site-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

nav.site-nav a {
  color: var(--text-muted);
  font-size: 0.95rem;
}

nav.site-nav a:hover {
  color: var(--text);
  text-decoration: none;
}

#theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  width: 34px;
  height: 34px;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
}

#theme-toggle:hover {
  border-color: var(--accent);
}

main {
  padding: 48px 0 80px;
  min-height: 60vh;
}

footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ===== 히어로 ===== */
.hero {
  margin-bottom: 48px;
}

.hero h1 {
  font-size: 2rem;
  margin: 0 0 8px;
}

.hero p {
  color: var(--text-muted);
  margin: 0;
  font-size: 1.05rem;
}

/* ===== 포스트 목록 ===== */
.post-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.post-card {
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.post-card:last-child {
  border-bottom: none;
}

.post-card .post-date {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.post-card h2 {
  margin: 0 0 8px;
  font-size: 1.35rem;
}

.post-card h2 a {
  color: var(--text);
}

.post-card h2 a:hover {
  color: var(--accent);
  text-decoration: none;
}

.post-card p {
  margin: 0 0 10px;
  color: var(--text-muted);
}

.tag {
  display: inline-block;
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-muted);
  margin-right: 6px;
}

/* ===== 포스트 상세 ===== */
.post-header {
  margin-bottom: 32px;
}

.post-header h1 {
  font-size: 2rem;
  margin: 12px 0;
}

.post-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.post-content {
  font-size: 1.05rem;
}

.post-content h2 {
  margin-top: 40px;
  font-size: 1.4rem;
}

.post-content h3 {
  margin-top: 28px;
  font-size: 1.15rem;
}

.post-content pre {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  overflow-x: auto;
}

.post-content code {
  background: var(--bg-elevated);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

.post-content pre code {
  background: none;
  padding: 0;
}

.post-content blockquote {
  margin: 24px 0;
  padding: 4px 20px;
  border-left: 3px solid var(--accent);
  color: var(--text-muted);
}

.back-link {
  display: inline-block;
  margin-bottom: 24px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ===== 365일 성경 ===== */
.month-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0;
}

.month-tab {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-size: 0.9rem;
  cursor: pointer;
}

.month-tab:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--text);
}

.month-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.month-tab:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.bible-progress {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.bible-empty {
  padding: 40px 0;
  text-align: center;
  color: var(--text-muted);
}

#day-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bible-day {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  overflow: hidden;
}

.bible-day summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 18px;
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.bible-day summary::-webkit-details-marker {
  display: none;
}

.bible-day-num {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 52px;
}

.bible-day-title {
  font-weight: 600;
  flex: 1;
}

.bible-day-ref {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.bible-day-body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--border);
}

.bible-day-body p {
  margin: 14px 0 0;
}

.bible-story {
  line-height: 1.8;
}

.bible-think,
.bible-pray {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.bible-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ===== 반응형 ===== */
@media (max-width: 600px) {
  .hero h1 {
    font-size: 1.6rem;
  }

  nav.site-nav {
    gap: 12px;
  }

  nav.site-nav a {
    font-size: 0.85rem;
  }
}