/* ═══════════════════════════════════════════════
   福伯論壇 — 主樣式
   典雅文人風：米白底、深褐色調
═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+TC:wght@300;400;600;700&family=Noto+Sans+TC:wght@300;400;500&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --cream:   #f5f0e8;
  --cream2:  #fffcf5;
  --tan:     #e8dcc8;
  --tan2:    #d4c4a8;
  --brown1:  #3d2b1f;
  --brown2:  #6b4c38;
  --brown3:  #8b5e3c;
  --brown4:  #a07850;
  --text:    #2d1f14;
  --text2:   #6b5a4e;
  --text3:   #9e8878;
  --white:   #fffcf7;
  --shadow:  rgba(61,43,31,.10);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Serif TC', 'Georgia', '宋體', serif;
  background: var(--cream);
  color: var(--text);
  line-height: 1.85;
  font-size: 15px;
}

a { color: var(--brown3); text-decoration: none; }
a:hover { color: var(--brown1); text-decoration: underline; }

/* ─── 頂部導覽 ─────────────────────────────── */
.site-header {
  background: var(--brown1);
  color: var(--cream);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,.25);
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.site-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: .15em;
  color: var(--cream);
  text-shadow: 0 1px 4px rgba(0,0,0,.3);
}
.site-title a { color: inherit; }
.site-title a:hover { text-decoration: none; }
.site-title span { color: var(--tan2); font-size: .8em; }
.site-nav { display: flex; list-style: none; }
.site-nav a {
  color: var(--tan);
  font-family: 'Noto Sans TC', sans-serif;
  font-size: .88rem;
  font-weight: 400;
  padding: 6px 16px;
  border-radius: 4px;
  transition: background .2s, color .2s;
  letter-spacing: .05em;
}
.site-nav a:hover, .site-nav a.active {
  background: rgba(255,255,255,.12);
  color: #fff;
  text-decoration: none;
}

/* ─── Hero ────────────────────────────────── */
.hero {
  position: relative;
  color: var(--cream);
  text-align: center;
  padding: 72px 24px 56px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-bg.png');
  background-size: cover;
  background-position: center 35%;
  filter: brightness(.85) saturate(.9);
  z-index: 0;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(30,18,8,.82) 0%,
    rgba(45,28,14,.68) 40%,
    rgba(61,43,31,.45) 70%,
    rgba(80,60,35,.30) 100%
  );
}
.hero > *:not(.hero-bg) { position: relative; z-index: 1; }
.hero-subtitle {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: .9rem;
  letter-spacing: .25em;
  color: var(--tan2);
  margin-bottom: 16px;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: .2em;
  line-height: 1.3;
  margin-bottom: 16px;
  text-shadow: 0 2px 8px rgba(0,0,0,.4);
}
.hero-desc {
  font-size: .95rem;
  color: var(--tan);
  max-width: 480px;
  margin: 0 auto 24px;
  line-height: 1.8;
  letter-spacing: .05em;
}
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 32px;
  font-family: 'Noto Sans TC', sans-serif;
  font-size: .82rem;
  color: var(--tan2);
}
.hero-stats span strong {
  display: block;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--cream);
  line-height: 1.1;
}

/* ─── 主版型 ──────────────────────────────── */
.main-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 24px 60px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}
.section-label {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: .78rem;
  letter-spacing: .2em;
  color: var(--text3);
  text-transform: uppercase;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--tan2);
}

/* ─── 文章卡片 ────────────────────────────── */
.post-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.post-card {
  background: var(--white);
  border: 1px solid var(--tan2);
  border-radius: 6px;
  overflow: hidden;
  transition: box-shadow .28s ease, transform .28s ease, background .28s ease, border-color .28s ease;
}
.post-card:hover {
  box-shadow: 0 8px 28px var(--shadow);
  transform: translateY(-3px);
  background: #fffef9;
  border-color: var(--brown4);
}
.post-card a { color: inherit; text-decoration: none; }
.post-card a:hover { text-decoration: none; }
.post-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  background: var(--tan);
  transition: filter .32s ease, transform .32s ease;
}
.post-card:hover .post-card-img {
  filter: brightness(1.10) saturate(1.05);
  transform: scale(1.03);
}
.post-card-img-placeholder {
  width: 100%;
  height: 140px;
  background: linear-gradient(135deg, var(--tan) 0%, var(--tan2) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text3);
  font-size: 2rem;
}
.post-card-body { padding: 18px 20px 20px; }
.post-card-date {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: .75rem;
  color: var(--text3);
  letter-spacing: .08em;
  margin-bottom: 8px;
}
.post-card-title {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--brown1);
  letter-spacing: .03em;
}
.post-card-summary {
  font-size: .85rem;
  color: var(--text2);
  line-height: 1.75;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
}
.post-card-link {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: .78rem;
  color: var(--brown3);
  letter-spacing: .05em;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.post-card-link::after { content: '›'; font-size: 1.1rem; }

/* ─── 分頁 ──────────────────────────────── */
.pagination {
  margin-top: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  font-family: 'Noto Sans TC', sans-serif;
  font-size: .85rem;
}
.page-btn {
  width: 36px; height: 36px;
  border: 1px solid var(--tan2);
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  background: var(--white);
  color: var(--text2);
  text-decoration: none;
  transition: all .2s;
}
.page-btn:hover, .page-btn.active {
  background: var(--brown1);
  border-color: var(--brown1);
  color: var(--cream);
  text-decoration: none;
}
.page-btn.active { font-weight: 600; }
.page-info { color: var(--text3); font-size: .78rem; margin-left: 8px; }

/* ─── 側欄 ──────────────────────────────── */
.sidebar { display: flex; flex-direction: column; gap: 28px; }
.sidebar-block {
  background: var(--white);
  border: 1px solid var(--tan2);
  border-radius: 6px;
  overflow: hidden;
}
.sidebar-block-title {
  background: var(--brown1);
  color: var(--cream);
  font-family: 'Noto Sans TC', sans-serif;
  font-size: .82rem;
  letter-spacing: .15em;
  padding: 10px 18px;
}
.sidebar-block-body { padding: 16px 18px; }
.about-text {
  font-size: .88rem;
  color: var(--text2);
  line-height: 1.8;
  margin-bottom: 10px;
}
.about-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--tan);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  margin: 0 auto 14px;
  border: 3px solid var(--tan2);
}
.sidebar-section-label {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--text3);
  margin-bottom: 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--tan);
}
.recent-list { list-style: none; }
.recent-list li {
  border-bottom: 1px solid var(--tan);
  padding: 10px 0;
  font-size: .87rem;
}
.recent-list li:last-child { border-bottom: none; }
.recent-list a { color: var(--text); line-height: 1.5; }
.recent-list a:hover { color: var(--brown3); text-decoration: none; }
.recent-list .rdate {
  display: block;
  font-family: 'Noto Sans TC', sans-serif;
  font-size: .72rem;
  color: var(--text3);
  margin-top: 2px;
}
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  background: var(--cream);
  border: 1px solid var(--tan2);
  color: var(--brown2);
  font-family: 'Noto Sans TC', sans-serif;
  font-size: .75rem;
  padding: 4px 12px;
  border-radius: 20px;
  transition: all .2s;
  text-decoration: none;
  display: inline-block;
}
.tag:hover {
  background: var(--brown1);
  border-color: var(--brown1);
  color: var(--cream);
  text-decoration: none;
}
.tag-count {
  margin-left: 4px;
  font-size: .68rem;
  opacity: .7;
}

/* ─── 文章詳情頁 ──────────────────────────── */
.post-page { max-width: 1100px; margin: 0 auto; padding: 40px 24px 60px; display: grid; grid-template-columns: 1fr 300px; gap: 40px; align-items: start; }
.post-article { background: var(--white); border: 1px solid var(--tan2); border-radius: 6px; padding: 40px 48px; }
.post-header { border-bottom: 1px solid var(--tan); padding-bottom: 24px; margin-bottom: 28px; }
.post-title { font-size: 1.7rem; font-weight: 700; color: var(--brown1); line-height: 1.4; letter-spacing: .05em; margin-bottom: 16px; }
.post-meta { font-family: 'Noto Sans TC', sans-serif; font-size: .8rem; color: var(--text3); display: flex; gap: 20px; flex-wrap: wrap; }
.post-images { margin-bottom: 28px; }
.post-images img { width: 100%; max-height: 440px; object-fit: cover; border-radius: 6px; margin-bottom: 12px; display: block; }
.post-images.multi { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.post-images.multi img { max-height: 260px; margin-bottom: 0; }
.post-images.multi-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
.post-images.multi-3 img { max-height: 200px; margin-bottom: 0; }
.post-content { font-size: .97rem; line-height: 2.1; color: var(--text); letter-spacing: .03em; white-space: pre-wrap; }
/* ─── 訂閱表單 ──────────────────────────────── */
.subscribe-desc { font-size: .8rem; color: var(--text2); margin: 0 0 10px 0; line-height: 1.6; }
.subscribe-input-wrap { display: flex; gap: 6px; }
.fubowu-subscribe-form input[type="email"] {
  flex: 1; padding: 7px 10px; border: 1px solid var(--tan2);
  border-radius: 5px; font-size: .82rem; background: var(--white);
  color: var(--text); font-family: 'Noto Sans TC', sans-serif;
  box-sizing: border-box; outline: none; transition: border-color .2s;
}
.fubowu-subscribe-form input[type="email"]:focus { border-color: var(--brown3); }
.fubowu-subscribe-form input[type="email"]::placeholder { color: var(--text3); }
.subscribe-submit-btn {
  padding: 7px 14px; background: var(--brown2); color: var(--cream);
  border: none; border-radius: 5px; font-size: .82rem; font-weight: 600;
  font-family: 'Noto Sans TC', sans-serif; cursor: pointer;
  transition: background .2s; white-space: nowrap;
}
.subscribe-submit-btn:hover { background: var(--brown1); }
.subscribe-success {
  font-size: .83rem; color: var(--brown2); margin: 0;
  padding: 8px 10px; background: var(--cream); border: 1px solid var(--tan);
  border-radius: 5px;
}
/* 隱藏 MailerLite 預設樣式衝突 */
#mlb2-38721864 { all: unset; display: block; }

/* ─── 分享按鈕 ──────────────────────────────── */
.share-section { margin-top: 36px; padding: 20px 0; border-top: 1px solid var(--tan); text-align: center; }
.share-buttons { display: inline-flex; gap: 14px; justify-content: center; align-items: center; }
.share-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%; border: none; cursor: pointer;
  text-decoration: none; transition: opacity .2s, transform .15s;
  color: #fff; flex-shrink: 0;
}
.share-btn svg { width: 18px; height: 18px; display: block; }
.share-btn:hover { opacity: .82; transform: translateY(-2px); text-decoration: none; color: #fff; }
.share-btn:active { transform: translateY(0); opacity: 1; }
.share-fb      { background: #1877F2; }
.share-ig      { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.share-threads { background: #000; }
.share-x       { background: #000; }
.share-toast {
  display: none; margin-top: 10px;
  font-family: 'Noto Sans TC', sans-serif; font-size: .78rem;
  color: var(--brown2); background: var(--cream); border: 1px solid var(--tan);
  padding: 6px 12px; border-radius: 6px; display: none;
}
.share-toast.show { display: inline-block; }

.post-footer { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--tan); }
.back-link { font-family: 'Noto Sans TC', sans-serif; font-size: .85rem; color: var(--brown3); display: inline-flex; align-items: center; gap: 4px; }
.back-link::before { content: '‹'; font-size: 1.1rem; }
.back-link:hover { color: var(--brown1); text-decoration: none; }

/* ─── 頁尾 ──────────────────────────────── */
.site-footer {
  background: var(--brown1);
  color: var(--tan);
  text-align: center;
  padding: 28px 24px;
  font-family: 'Noto Sans TC', sans-serif;
  font-size: .82rem;
  letter-spacing: .08em;
  line-height: 2;
}
.site-footer a { color: var(--tan2); }

/* ─── 搜尋框（Sidebar）─────────────────────── */
.search-form .search-input-wrap {
  display: flex;
  gap: 6px;
}
.search-input {
  flex: 1;
  padding: 6px 10px;
  border: 1px solid var(--tan2);
  border-radius: 4px;
  background: var(--cream2);
  font-family: 'Noto Sans TC', sans-serif;
  font-size: .85rem;
  color: var(--text);
  outline: none;
  transition: border-color .2s;
}
.search-input:focus { border-color: var(--brown3); }
.search-btn {
  padding: 6px 12px;
  background: var(--brown3);
  color: var(--white);
  border: none;
  border-radius: 4px;
  font-family: 'Noto Sans TC', sans-serif;
  font-size: .82rem;
  cursor: pointer;
  transition: background .2s;
  white-space: nowrap;
}
.search-btn:hover { background: var(--brown1); }

/* ─── Facebook 連結 ─────────────────────── */
.fb-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--cream);
  border: 1px solid var(--tan2);
  border-radius: 6px;
  color: var(--text);
  text-decoration: none;
  transition: background .2s, border-color .2s;
}
.fb-link:hover { background: #e7f0ff; border-color: #4267B2; text-decoration: none; }
.fb-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.fb-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  font-family: 'Noto Sans TC', sans-serif;
  line-height: 1.3;
}
.fb-text strong { font-size: .88rem; color: var(--brown1); }
.fb-text span   { font-size: .75rem; color: var(--text3); }
.fb-arrow { font-size: 1.1rem; color: var(--text3); }

/* ─── 搜尋結果頁 ────────────────────────── */
.search-page-header {
  max-width: 1100px;
  margin: 0 auto 32px;
  padding: 40px 24px 0;
}
.search-page-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--brown1);
  margin-bottom: 20px;
  letter-spacing: .06em;
}
.search-page-form .search-input-wrap {
  display: flex;
  gap: 8px;
  max-width: 480px;
}
.search-input-lg {
  font-size: .95rem;
  padding: 9px 14px;
}
.search-hint {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: .85rem;
  color: var(--text3);
  margin-top: 14px;
  min-height: 1.4em;
}
.search-no-results {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: .9rem;
  color: var(--text2);
  text-align: center;
  padding: 40px 0;
}

/* ─── 關鍵字高亮 ────────────────────────── */
mark {
  background: #fff0a0;
  color: var(--brown1);
  padding: 0 1px;
  border-radius: 2px;
}

/* ─── 漢堡按鈕（預設隱藏，手機才顯示）──── */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 8px;
  margin-left: auto;
}
.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--cream);
  border-radius: 2px;
  transition: transform .2s, opacity .2s;
}

/* ─── 手機側欄抽屜 ──────────────────────── */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 200;
  opacity: 0;
  transition: opacity .3s;
}
.mobile-overlay.open { display: block; opacity: 1; }
.mobile-drawer {
  position: fixed;
  top: 0; right: -320px;
  width: 300px;
  height: 100%;
  background: var(--cream);
  z-index: 201;
  overflow-y: auto;
  transition: right .3s ease;
  display: flex;
  flex-direction: column;
  box-shadow: -4px 0 20px rgba(0,0,0,.2);
}
.mobile-drawer.open { right: 0; }
.mobile-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  background: var(--brown1);
  color: var(--cream);
  font-family: 'Noto Sans TC', sans-serif;
  font-size: .88rem;
  letter-spacing: .12em;
  flex-shrink: 0;
}
.mobile-drawer-close {
  background: none;
  border: none;
  color: var(--cream);
  font-size: 1.3rem;
  cursor: pointer;
  line-height: 1;
  padding: 2px 6px;
}
.mobile-drawer-body { padding: 16px; }
.mobile-drawer-body .sidebar { display: flex !important; }

/* ─── RWD ────────────────────────────────── */
.br-mobile { display: none; }
@media (max-width: 900px) {
  .main-wrap, .post-page { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .menu-toggle { display: flex; }
  /* 手機：副標題"福伯の隨筆"隱藏，避免換行 */
  .site-title a span { display: none; }
  /* 手機："首頁"與標題點擊效果相同，隱藏 */
  .nav-home { display: none; }
  /* 手機：封面隱藏 FuBo's Notes 前綴，探索台灣獨立成行 */
  .hero-notes-prefix { display: none; }
  .br-mobile { display: block; }
}
@media (max-width: 600px) {
  .post-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 16px; }
  .post-article { padding: 24px 20px; }
  .header-inner { flex-direction: row; height: auto; padding: 10px 16px; gap: 8px; }
  .site-nav a { padding: 4px 10px; font-size: .8rem; }
}
/* 很窄的裝置（≤400px）："關於"也隱藏，避免換行，改由漢堡選單存取 */
@media (max-width: 400px) {
  .nav-about { display: none; }
}