/* ===========================
   DEVA618 Blog — Global Styles
   活着即是迈向死亡 Living is Dying
   =========================== */

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

/* ── DESIGN TOKENS ── */
:root {
  /* Color */
  --color-bg:           #faf9f7;
  --color-surface:      #ffffff;
  --color-border:       #e0dbd3;
  --color-border-light: #edeae4;
  --color-text:         #1a1612;
  --color-text-muted:   #4a4038;
  --color-text-light:   #7a6e62;
  --color-accent:       #6b5a48;
  --color-accent-hover: #4a3a2c;
  --color-gold:         #c4a35a;
  --color-gold-light:   #e8d5a3;
  --color-lotus:        #d4849a;
  --color-lotus-light:  #f5e8ed;
  --color-shadow:       rgba(80, 60, 40, 0.08);

  /* Typography — families */
  --font-serif: 'Noto Serif SC', 'STSong', 'SimSun', Georgia, serif;
  --font-sans:  'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;

  /* Typography — scale (base 17px) */
  --text-xs:   0.71rem;   /* ~12px  标签、辅助说明 */
  --text-sm:   0.82rem;   /* ~14px  元数据、注脚 */
  --text-base: 1rem;      /* 17px   正文 */
  --text-md:   1.06rem;   /* ~18px  引文、摘要 */
  --text-lg:   1.18rem;   /* ~20px  小标题 */
  --text-xl:   1.35rem;   /* ~23px  文章标题 */
  --text-2xl:  1.65rem;   /* ~28px  页面标题 */
  --text-3xl:  2rem;      /* ~34px  主标题 */
  --text-4xl:  2.4rem;    /* ~41px  Hero标题 */

  /* Typography — line heights */
  --leading-tight:   1.3;
  --leading-snug:    1.5;
  --leading-normal:  1.8;
  --leading-relaxed: 2;

  /* Typography — weights */
  --weight-light:   300;
  --weight-regular: 400;
  --weight-medium:  500;
  --weight-semibold:600;
  --weight-bold:    700;

  /* Layout */
  --max-width:     860px;
  --sidebar-width: 280px;
  --gap:           2rem;
}

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

html {
  font-size: 17px;
  scroll-behavior: smooth;
  /* 改善 CJK 字符渲染 */
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* CJK 标点优化 */
  font-feature-settings: "kern" 1, "liga" 1;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover { color: var(--color-accent-hover); text-decoration: underline; }

img { max-width: 100%; height: auto; display: block; }

/* ── SITE HEADER ── */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 12px var(--color-shadow);
}

.header-inner {
  max-width: calc(var(--max-width) + var(--sidebar-width) + 4rem);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 72px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
  text-decoration: none;
}

.site-logo img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-gold-light);
}

.site-logo-text {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.site-logo-cn {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  line-height: var(--leading-tight);
}

.site-logo-en {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  font-weight: var(--weight-light);
}

.site-nav {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

/* ── TOP-LEVEL LIST ── */
.nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0;
}

/* top-level item wrapper */
.nav-item {
  position: relative;
}

/* top-level trigger (link or button) */
.nav-trigger {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 0.75rem;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  border-radius: 4px;
  transition: color 0.18s, background 0.18s;
  white-space: nowrap;
  font-family: var(--font-sans);
  font-weight: var(--weight-regular);
  cursor: pointer;
  background: none;
  border: none;
  line-height: inherit;
  text-decoration: none;
}

.nav-trigger:hover,
.nav-item.open > .nav-trigger,
.nav-trigger.active {
  color: var(--color-accent);
  background: var(--color-border-light);
  text-decoration: none;
}

/* caret arrow */
.nav-caret {
  font-size: var(--text-xs);
  opacity: 0.55;
  transition: transform 0.2s;
  display: inline-block;
  line-height: 1;
  margin-top: 1px;
}
.nav-item.open > .nav-trigger .nav-caret {
  transform: rotate(180deg);
}

/* ── DROPDOWN PANEL ── */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 170px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: 0 8px 28px rgba(80,60,40,0.13);
  padding: 0.4rem 0;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(-4px);
  transition: opacity 0.18s, transform 0.18s;
  z-index: 200;
}

/* dropdown visible only when .open (controlled by JS click) */
.nav-item.open > .nav-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

/* optional section label inside dropdown */
.nav-dropdown-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.09em;
  color: var(--color-text-light);
  text-transform: uppercase;
  padding: 0.55rem 1rem 0.25rem;
  pointer-events: none;
  font-family: var(--font-sans);
}

.nav-dropdown-divider {
  height: 1px;
  background: var(--color-border-light);
  margin: 0.3rem 0.75rem;
}

.nav-dropdown a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1rem;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: background 0.15s, color 0.15s;
  text-decoration: none;
  white-space: nowrap;
}

.nav-dropdown a:hover,
.nav-dropdown a.active {
  background: var(--color-border-light);
  color: var(--color-accent);
  text-decoration: none;
}

.nav-dropdown a .nav-icon {
  font-size: var(--text-base);
  width: 18px;
  text-align: center;
  flex-shrink: 0;
  opacity: 0.7;
}

/* direct link (no dropdown) */
.nav-direct {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 0.75rem;
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: 500;
  border-radius: 20px;
  border: 1px solid var(--color-gold-light);
  background: #fdf8ee;
  white-space: nowrap;
  transition: all 0.18s;
  text-decoration: none;
  margin-left: 0.25rem;
}
.nav-direct:hover {
  background: var(--color-gold-light);
  border-color: var(--color-gold);
  color: var(--color-accent-hover);
  text-decoration: none;
}

/* ── MOBILE HAMBURGER ── */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  cursor: pointer;
  padding: 0.4rem 0.6rem;
  color: var(--color-text-muted);
  font-size: var(--text-base);
  transition: all 0.18s;
  flex-shrink: 0;
}
.nav-toggle:hover {
  background: var(--color-border-light);
  color: var(--color-accent);
}

/* ── PAGE WRAPPER ── */
.page-wrapper {
  max-width: calc(var(--max-width) + var(--sidebar-width) + 5rem);
  margin: 0 auto;
  padding: 2.5rem 2rem;
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: 3rem;
  align-items: start;
}

.page-wrapper.full-width {
  grid-template-columns: 1fr;
  max-width: var(--max-width);
}

/* ── HERO SECTION (Homepage) ── */
.hero {
  background: linear-gradient(135deg, #f5efe8 0%, #faf9f7 60%, #f0ece6 100%);
  border-bottom: 1px solid var(--color-border);
  padding: 3rem 2rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -80px; right: 10%;
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(196,163,90,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-label {
  display: inline-block;
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 1rem;
  font-family: var(--font-sans);
  font-weight: var(--weight-medium);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  line-height: var(--leading-tight);
  margin-bottom: 0.4rem;
}

.hero-subtitle {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: 1.2rem;
  font-weight: var(--weight-light);
  letter-spacing: 0.05em;
}

.hero-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: 1.8rem;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-accent);
  color: white;
  padding: 0.7rem 1.8rem;
  border-radius: 32px;
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  transition: all 0.25s;
  text-decoration: none;
}
.hero-cta:hover {
  background: var(--color-accent-hover);
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(90, 70, 50, 0.25);
}

.hero-right {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-quote {
  background: rgba(196,163,90,0.06);
  border: 1px solid rgba(196,163,90,0.2);
  border-left: 3px solid var(--color-gold);
  border-radius: 10px;
  padding: 1.8rem 2rem 1.6rem;
  position: relative;
}
.hero-quote::before {
  content: '\201C';
  font-family: var(--font-serif);
  font-size: 4.5rem;
  color: rgba(196,163,90,0.25);
  position: absolute;
  top: -0.6rem;
  left: 1.2rem;
  line-height: 1;
  pointer-events: none;
}
.hero-quote-text {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 2;
  margin: 1rem 0 0.8rem;
}
.hero-quote-cite {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-gold);
  font-style: normal;
  letter-spacing: 0.03em;
}

/* ── ARTICLE ── */
.article-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.1rem 1.25rem;
  margin-bottom: 0.75rem;
  transition: box-shadow 0.2s;
}

.article-card:hover {
  box-shadow: 0 4px 20px var(--color-shadow);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--text-xs);
  color: var(--color-text-light);
  margin-bottom: 0.4rem;
  font-family: var(--font-sans);
}

.article-meta .tag {
  background: var(--color-lotus-light);
  color: var(--color-lotus);
  padding: 0.15rem 0.6rem;
  border-radius: 12px;
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
}

.article-title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  margin-bottom: 0.35rem;
  line-height: var(--leading-snug);
}

.article-title a {
  color: inherit;
  text-decoration: none;
}
.article-title a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.article-excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
  margin-bottom: 0.6rem;
}

.read-more {
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: var(--weight-medium);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.read-more::after { content: '→'; }
.read-more:hover { text-decoration: none; color: var(--color-accent-hover); }

/* ── POST CONTENT ── */
.post-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.post-title {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  line-height: var(--leading-tight);
  margin-bottom: 0.75rem;
}

.post-subtitle {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  font-weight: var(--weight-light);
  margin-bottom: 1rem;
  font-style: italic;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: var(--text-sm);
  color: var(--color-text-light);
  font-family: var(--font-sans);
}

.post-meta .dot { color: var(--color-border); }

.post-content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 2rem 2.5rem;
}

.post-content p {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
  margin-bottom: 1.25rem;
}

.post-content h2 {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  margin: 2rem 0 0.75rem;
  padding-left: 0.75rem;
  border-left: 3px solid var(--color-gold);
}

.post-content h3 {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  margin: 1.5rem 0 0.5rem;
}

.post-content blockquote {
  background: linear-gradient(135deg, var(--color-lotus-light), #faf8f5);
  border-left: 4px solid var(--color-lotus);
  padding: 1.25rem 1.5rem;
  border-radius: 0 6px 6px 0;
  margin: 1.5rem 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
}

.post-content blockquote cite {
  display: block;
  font-style: normal;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: 0.75rem;
  font-family: var(--font-sans);
}

.post-content ul, .post-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.post-content li {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  margin-bottom: 0.25rem;
  color: var(--color-text);
}

/* ── AUDIO GUIDES ── */
.audio-series {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 0.75rem 0;
}

.audio-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  text-decoration: none;
  transition: all 0.2s;
}

.audio-card:hover {
  border-color: var(--color-gold);
  box-shadow: 0 3px 12px var(--color-shadow);
  text-decoration: none;
}

.audio-num {
  width: 36px; height: 36px;
  background: var(--color-gold);
  color: white;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: var(--text-sm);
  font-weight: 600;
  flex-shrink: 0;
}

.audio-info { flex: 1; }

.audio-title {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.2rem;
}

.audio-desc {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

.audio-icon {
  color: var(--color-text-light);
  font-size: var(--text-lg);
  flex-shrink: 0;
}

/* ── PODCAST PLATFORMS ── */
.podcast-platforms {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1rem 0;
}

.platform-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  background: var(--color-surface);
  text-decoration: none;
  transition: all 0.2s;
}
.platform-badge:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
}

/* ── DOWNLOAD LIST ── */
/* ── GURU QUOTE BLOCK ── */
.guru-quote-block {
  background: linear-gradient(135deg, #fdf8f0, #faf6ee);
  border-left: 4px solid var(--color-gold);
  border-radius: 0 8px 8px 0;
  padding: 1.5rem 1.75rem;
  margin-bottom: 2rem;
  position: relative;
}
.guru-quote-block::before {
  content: "\201C";
  position: absolute;
  top: -0.25rem;
  left: 1rem;
  font-family: var(--font-serif);
  font-size: 3rem;
  color: var(--color-gold-light);
  line-height: 1;
  pointer-events: none;
}
.guru-quote-text {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
  margin: 0 0 0.75rem;
}
.guru-quote-cite {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: normal;
}

.download-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin: 1rem 0;
}

.download-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  transition: all 0.2s;
}

.download-item:hover {
  border-color: var(--color-gold);
  box-shadow: 0 2px 8px var(--color-shadow);
}

.download-icon {
  width: 32px; height: 32px;
  background: #e8f0e8;
  color: #4a7a4a;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: var(--text-sm);
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.download-text { flex: 1; }

.download-name {
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 500;
  margin-bottom: 0.2rem;
  line-height: 1.4;
}

.download-meta {
  font-size: var(--text-xs);
  color: var(--color-text-light);
}

.download-btn {
  display: inline-block;
  font-size: var(--text-xs);
  color: var(--color-accent);
  border: 1px solid var(--color-border);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  flex-shrink: 0;
  margin-top: 0.2rem;
  transition: all 0.2s;
}
.download-btn:hover {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
  text-decoration: none;
}
.download-btns {
  display: flex;
  gap: 0.4rem;
  flex-shrink: 0;
  margin-top: 0.2rem;
}

/* ── SIDEBAR ── */
.sidebar { position: sticky; top: 92px; }

.widget {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.widget-title {
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--color-border);
}

/* Book Widget */
.book-widget .book-cover {
  width: 100%;
  border-radius: 6px;
  box-shadow: 2px 4px 16px rgba(80,60,40,0.2);
  margin-bottom: 1rem;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, #8b6a4a, #5c4a35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: var(--font-serif);
  text-align: center;
  padding: 1.5rem;
}

.book-widget .book-cover-title {
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.book-widget .book-cover-subtitle {
  font-size: var(--text-xs);
  opacity: 0.8;
  letter-spacing: 0.1em;
}

.book-widget blockquote {
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  line-height: 1.9;
  color: var(--color-text-muted);
  font-style: italic;
  border-left: 2px solid var(--color-gold-light);
  padding-left: 0.75rem;
  margin: 1rem 0;
}

.book-widget cite {
  display: block;
  font-size: var(--text-xs);
  font-style: normal;
  color: var(--color-text-light);
  text-align: right;
  margin-top: 0.5rem;
}

.btn-download {
  display: block;
  text-align: center;
  background: var(--color-accent);
  color: white;
  padding: 0.6rem 1rem;
  border-radius: 6px;
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all 0.2s;
  text-decoration: none;
  margin-top: 0.75rem;
}
.btn-download:hover {
  background: var(--color-accent-hover);
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(90,70,50,0.25);
}

/* Nav Widget */
.nav-widget ul {
  list-style: none;
}

.nav-widget li + li { border-top: 1px solid var(--color-border-light); }

.nav-widget a {
  display: block;
  padding: 0.6rem 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color 0.2s;
}

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

/* ── SECTION DIVIDER ── */
.section-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.25rem 0 0.75rem;
}

.section-divider-title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

.section-divider-line {
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* ── VIDEO EMBED ── */
.video-embed {
  position: relative;
  padding-top: 56.25%;
  background: #1a1612;
  border-radius: 8px;
  overflow: hidden;
  margin: 1.5rem 0;
}

.video-embed iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: none;
}

.video-placeholder {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  gap: 0.75rem;
}

.video-placeholder .play-btn {
  width: 56px; height: 56px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
}

.video-placeholder p { font-size: var(--text-sm); }

/* ── SHARE BUTTONS ── */
.share-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  background: var(--color-surface);
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}
.share-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
}

/* ── TEACHER PROFILE ── */
.teacher-profile {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.25rem;
  background: var(--color-bg);
  border-radius: 8px;
  margin: 1.5rem 0;
}

.teacher-avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-gold-light);
  flex-shrink: 0;
  background: var(--color-gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
}

.teacher-name {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.3rem;
}

.teacher-role {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: 0.6rem;
}

.teacher-bio {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ── BREADCRUMB ── */
.breadcrumb {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.breadcrumb a { color: var(--color-text-light); }
.breadcrumb a:hover { color: var(--color-accent); text-decoration: none; }
.breadcrumb .sep { color: var(--color-border); }

/* ── FOOTER ── */
.site-footer {
  background: #2c2825;
  color: rgba(255,255,255,0.5);
  padding: 3rem 2rem 2rem;
  margin-top: 5rem;
}

.footer-inner {
  max-width: calc(var(--max-width) + var(--sidebar-width) + 4rem);
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-brand .footer-logo {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.85);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.footer-brand p {
  font-size: var(--text-sm);
  line-height: 1.8;
  max-width: 280px;
}

.footer-col-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.footer-links { list-style: none; }
.footer-links li + li { margin-top: 0.5rem; }
.footer-links a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.45);
  transition: color 0.2s;
}
.footer-links a:hover {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
}

.footer-contact a {
  color: rgba(255,255,255,0.5);
  font-size: var(--text-sm);
}
.footer-contact a:hover {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
}

.footer-verse {
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.83rem;
  color: rgba(245,237,224,0.38);
  line-height: 2;
  letter-spacing: 0.04em;
  padding: 1.5rem 2rem 0.5rem;
  border-top: 1px solid rgba(255,255,255,0.07);
}

/* ── PAGE HERO (inner pages) ── */
.page-hero {
  background: linear-gradient(135deg, #f5efe8 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
  padding: 3rem 2rem 2.5rem;
  text-align: center;
}

.page-hero h1 {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.page-hero p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ── NOTICE/CALLOUT ── */
.callout {
  background: #f5f0e8;
  border: 1px solid var(--color-gold-light);
  border-left: 4px solid var(--color-gold);
  border-radius: 0 6px 6px 0;
  padding: 1rem 1.25rem;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin: 1.25rem 0;
}

/* ── UPLOAD STATUS ── */
/* ── TOOLS PAGE ── */
.tools-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
@media (max-width: 600px) {
  .tools-grid { grid-template-columns: 1fr; }
}

.tool-card {
  display: flex;
  gap: 1rem;
  padding: 1.1rem 1.2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  transition: all 0.2s;
}
.tool-card:hover {
  border-color: var(--color-gold);
  box-shadow: 0 2px 10px var(--color-shadow);
}
.tool-card.tool-coming {
  opacity: 0.8;
}
.tool-icon {
  font-size: 1.6rem;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 0.1rem;
}
.tool-body { flex: 1; }
.tool-name {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  margin-bottom: 0.3rem;
}
.tool-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 0.5rem;
}
.tool-badge {
  display: inline-block;
  font-size: var(--text-xs);
  background: var(--color-gold-light);
  color: var(--color-accent);
  padding: 0.1rem 0.55rem;
  border-radius: 10px;
  font-weight: var(--weight-medium);
}

.upload-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--color-lotus-light);
  color: var(--color-lotus);
  padding: 0.3rem 0.85rem;
  border-radius: 20px;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-top: 1rem;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .page-wrapper {
    grid-template-columns: 1fr;
  }
  .sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  /* ── Hero: single column on tablet/phone ── */
  .hero { padding: 2.5rem 1.5rem 2rem; }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 1.8rem;
  }
  .hero-left {
    align-items: center;
    text-align: center;
  }
  .hero-desc { text-align: center; }
  .hero-right { width: 100%; }
  .hero-quote {
    border-left-width: 1px;   /* tone down the left accent on small screens */
    padding: 1.4rem 1.5rem 1.2rem;
  }

  .nav-toggle { display: flex; align-items: center; }

  .site-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0; right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 6px 20px rgba(80,60,40,0.1);
    padding: 0.5rem 0 1rem;
    z-index: 199;
    flex-direction: column;
    align-items: stretch;
  }
  .site-nav.open { display: flex; }

  .nav-list { flex-direction: column; gap: 0; }
  .nav-item { width: 100%; }

  /* mobile: trigger spans full width */
  .nav-trigger {
    width: 100%;
    padding: 0.65rem 1.25rem;
    border-radius: 0;
    justify-content: space-between;
    font-size: var(--text-base);
  }

  /* mobile: dropdown is static (no absolute), shown inline */
  .nav-dropdown {
    position: static;
    transform: none !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    box-shadow: none;
    border: none;
    border-left: 3px solid var(--color-border);
    border-radius: 0;
    padding: 0;
    margin: 0 0 0 1.5rem;
    background: transparent;
    display: none;
  }
  .nav-item.open > .nav-dropdown { display: block; }

  .nav-dropdown a {
    padding: 0.5rem 1rem;
    font-size: var(--text-sm);
  }

  .nav-dropdown-label { padding: 0.4rem 1rem 0.15rem; }
  .nav-dropdown-divider { margin: 0.2rem 0.75rem; }

  .nav-direct {
    margin: 0.5rem 1.25rem 0;
    justify-content: center;
    border-radius: 6px;
  }
}

@media (max-width: 640px) {
  .site-header { padding: 0 1rem; }
  .header-inner { gap: 1rem; }

  .hero { padding: 1.8rem 1rem; }
  .hero-title { font-size: var(--text-2xl); }

  .page-wrapper { padding: 1.5rem 1rem; }
  .post-content { padding: 1.5rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }

  .post-title { font-size: var(--text-2xl); }
}