/* ============================================================
   นิทานธรรมบท — style.css (Fixed Navbar & Footer)
   ============================================================ */

/* --- CSS Variables --- */
#bg-video {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45); /* ทำให้ข้อความอ่านง่าย */
  z-index: -1;
}
:root {
  /* Colors — Dark Mode (Default) */
  --bg-primary: #0a0a0c;
  --bg-secondary: #121217;
  --bg-tertiary: #1a1a22;
  --bg-glass: rgba(18, 18, 23, 0.95);
  --bg-card: #16161e;
  --bg-card-hover: #1c1c26;

  --accent: #d4af37;
  --accent-hover: #e5c04a;
  --accent-muted: rgba(212, 175, 55, 0.15);
  --accent-glow: rgba(212, 175, 55, 0.25);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #fde68a;

  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --border-accent: rgba(212, 175, 55, 0.3);

  /* Typography */
  --font-body: 'Sarabun', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Cormorant Garamond', Georgia, serif;

  /* Layout */
  --max-width: 1280px;
  --navbar-height: 64px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 0.2s;
  --duration-normal: 0.35s;
}

/* Light Theme */
.light-theme {
  --bg-primary: #fafafa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.95);
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;

  --accent: #b8860b;
  --accent-hover: #996f09;
  --accent-muted: rgba(184, 134, 11, 0.1);
  --accent-glow: rgba(184, 134, 11, 0.15);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-accent: #854d0e;

  --border: rgba(0, 0, 0, 0.06);
  --border-hover: rgba(0, 0, 0, 0.1);
  --border-accent: rgba(184, 134, 11, 0.25);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* Focus styles */
*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Selection */
::selection {
  background: var(--accent-muted);
  color: var(--text-accent);
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 4px; }

/* ============================================================
   UTILITY
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ============================================================
   NAVBAR — Logo Left | Menu Center | Actions Right
   ============================================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  height: var(--navbar-height);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow:
    0 4px 30px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 2rem;
}

/* Logo — ซ้ายสุด */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.nav-logo img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  object-fit: cover;
}

.nav-logo span {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
}

/* Nav Actions — จัดกลุ่ม Search, Menu, ThemeToggle ไว้ฝั่งขวา */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-shrink: 0;
}

/* Nav Menu — ปรับให้ไม่ยืดเต็มพื้นที่ */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-menu a {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--duration-fast) ease;
  white-space: nowrap;
}

.nav-menu a:hover {
  color: var(--text-primary);
  background: var(--accent-muted);
}

.nav-menu a.active {
  color: var(--accent);
  background: var(--accent-muted);
}

/* Search Box */
.nav-search {
  display: flex;
  align-items: center;

  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);

  border: 1px solid rgba(255, 255, 255, 0.08);

  border-radius: 50px;
  padding: 0.25rem 0.25rem 0.25rem 0.875rem;
}

.nav-search:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.nav-search input {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 0.875rem;
  width: 150px;
  outline: none;
  padding: 0.25rem;
}

.nav-search input::placeholder {
  color: var(--text-muted);
}

.nav-search button {
  background: var(--accent);
  color: #fff;
  border: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  transition: background var(--duration-fast) ease;
}

.nav-search button:hover {
  background: var(--accent-hover);
}

/* Theme Toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  transition: all var(--duration-fast) ease;
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--accent);
  transform: rotate(15deg);
}

/* Mobile Menu Button */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--duration-normal) var(--ease-out);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}
.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  width: 100%;
  padding: 5rem 1.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  background: url("images/buddha.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}


.hero-content {
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  margin-bottom: 1.5rem;
  padding: 0.375rem 1rem;
  border: 1px solid var(--border-accent);
  border-radius: 50px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.hero-desc {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-full {
  width: 100%;
}

/* ============================================================
   CONTENT SECTIONS
   ============================================================ */
.content {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================================
   DAILY QUOTE
   ============================================================ */
.quote-section {
  padding: 4rem 0;
}

.quote-card {
  max-width: 750px;
  margin: 0 auto;

  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);

  border: 1px solid rgba(255, 255, 255, 0.08);

  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;

  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.15),
    inset 0 1px 0 rgba(255,255,255,0.08);
}
.quote-card::before {
  content: '☸';
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10rem;
  opacity: 0.03;
  color: var(--accent);
  pointer-events: none;
}

.quote-label {
  display: inline-block;
  font-size: 0.72rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 600;
  margin-bottom: 1.5rem;
  padding: 0.25rem 0.875rem;
  border: 1px solid var(--border-accent);
  border-radius: 50px;
}

.quote-card blockquote {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.quote-card cite {
  font-family: var(--font-body);
  font-style: normal;
  font-size: 0.9rem;
  color: var(--accent);
}

/* ============================================================
   CATEGORIES
   ============================================================ */
.categories-section {
  padding: 4rem 0;

  background: transparent;

  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 1.25rem;
  max-width: 800px;
  margin: 0 auto;
}

.category-card {
  background: rgba(255, 255, 255, 0.02);

  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);

  border: 1px solid rgba(255, 255, 255, 0.08);

  border-radius: var(--radius-lg);
  padding: 1.5rem 1rem;

  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;

  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;

  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.12),
    inset 0 1px 0 rgba(255,255,255,0.08);
}

.category-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.cat-icon {
  font-size: 2rem;
  line-height: 1;
}

.cat-name {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-primary);
}

/* ============================================================
   STORIES GRID
   ============================================================ */
.stories-section {
  padding: 4rem 0;
}

.stories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

/* Story Card */
.story-card {
  background: rgba(255,255,255,0.02);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
  display: flex;
  flex-direction: column;
  box-shadow:
    0 8px 32px rgba(0,0,0,.15),
    inset 0 1px 0 rgba(255,255,255,.08);
}

.story-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-accent);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.card-banner {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.banner-lotus   { background: linear-gradient(135deg, #2d1b3d 0%, #1a0f24 100%); }
.banner-jade    { background: linear-gradient(135deg, #1b2d24 0%, #0f1a15 100%); }
.banner-crimson { background: linear-gradient(135deg, #2d1b1b 0%, #1a0f0f 100%); }
.banner-gold    { background: linear-gradient(135deg, #2d261b 0%, #1a160f 100%); }
.banner-blue    { background: linear-gradient(135deg, #1b242d 0%, #0f151a 100%); }
.banner-earth   { background: linear-gradient(135deg, #261b1b 0%, #1a110f 100%); }

.card-body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.reading-time {
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 0.125rem 0.625rem;
  border-radius: 50px;
}

.fav-btn {
  font-size: 1.1rem;
  filter: grayscale(1);
  opacity: 0.5;
  transition: all var(--duration-fast) ease;
  padding: 0.25rem;
}

.fav-btn:hover { opacity: 1; }
.fav-btn.active {
  filter: grayscale(0);
  opacity: 1;
  transform: scale(1.15);
}

.card-number {
  font-size: 0.7rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.card-lesson {
  font-size: 0.8rem;
  color: var(--accent);
  font-style: italic;
  margin-bottom: 0.75rem;
}

.card-excerpt {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}

.card-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-tag {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
}

.read-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.375rem 1rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all var(--duration-fast) ease;
}

.read-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-muted);
}

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-overlay.open {
  display: flex;
  animation: fadeIn 0.3s ease;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  max-width: 700px;
  width: 100%;
  max-height: 85vh;
  border-radius: var(--radius-lg);
  overflow-y: auto;
  position: relative;
  animation: slideUp 0.3s var(--ease-out);
}

.modal-header {
  padding: 2rem 1.5rem 1.25rem;
  border-bottom: 1px solid var(--border);
  text-align: center;
  position: relative;
}

.modal-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 0.5rem;
}

.modal-num {
  font-size: 0.72rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.modal-lesson {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: all var(--duration-fast) ease;
}

.modal-close:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.modal-body {
  padding: 1.5rem;
}

.modal-body p {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text-primary);
  margin-bottom: 1rem;
  text-indent: 2rem;
}

.modal-body p:last-of-type {
  margin-bottom: 0;
}

.moral-box {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--bg-tertiary);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.moral-label {
  font-size: 0.72rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.moral-text {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.6;
}

/* ============================================================
   FOOTER — Fixed Layout
   ============================================================ */
.site-footer {
  width: 100%;

  background: rgba(255,255,255,0.005);

  backdrop-filter: blur(50px);
  -webkit-backdrop-filter: blur(50px);

  border-top: 1px solid rgba(255,255,255,0.12);

  padding: 3rem 0;
  margin-top: auto;

  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.15),
    0 -10px 50px rgba(0,0,0,0.08);
}

.site-footer .container {
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.footer-wheel {
  font-size: 1.5rem;
}

.footer-brand strong {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--accent);
}

.footer-desc {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.footer-copy {
  color: var(--text-muted);
  font-size: 0.75rem;
  opacity: 0.6;
}

/* ============================================================
   AUTH PAGE
   ============================================================ */
.auth-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.auth-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
}

.auth-card {
  background: rgba(255,255,255,0.02);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  width: 100%;
  max-width: 400px;
  box-shadow:
    0 8px 32px rgba(0,0,0,0.15),
    inset 0 1px 0 rgba(255,255,255,0.08);
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 1rem;
}

.auth-header h1 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.auth-header p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-group label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: all var(--duration-normal) var(--ease-out);
}

.form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group input::placeholder {
  color: var(--text-muted);
}

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.auth-footer a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color var(--duration-fast) ease;
}

.auth-footer a:hover {
  color: var(--accent);
}

.auth-footer .divider {
  color: var(--border-hover);
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.page-header {
  padding: 4rem 1.5rem;
  text-align: center;

  background: transparent;
  border: none;
  box-shadow: none;
  backdrop-filter: none;
}

.page-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  margin-bottom: 1rem;
}

.page-desc {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 0;
}

.about-block {
  margin-bottom: 2.5rem;
}

.about-block h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.about-block p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.9;
  margin-bottom: 1rem;
}

.about-block strong {
  color: var(--text-primary);
  font-weight: 600;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.feature-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.feature-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.feature-list strong {
  display: block;
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 0.125rem;
}

.feature-list p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

.about-mission {
  background: rgba(255,255,255,0.01);

  backdrop-filter: blur(50px) saturate(200%);
  -webkit-backdrop-filter: blur(50px) saturate(200%);

  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);

  padding: 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;

  box-shadow:
    0 10px 40px rgba(0,0,0,0.15),
    inset 0 1px 0 rgba(255,255,255,0.15);
}

.about-mission::before {
  content: '☸';
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 8rem;
  opacity: 0.03;
  color: var(--accent);
}

.mission-text {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .nav-search input {
    width: 120px;
  }
}

@media (max-width: 768px) {
  :root {
    --navbar-height: 56px;
  }

  /* Mobile Nav */
  .nav-menu {
    display: none;
    position: absolute;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 1rem;
    gap: 0.25rem;
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-menu a {
    padding: 0.75rem 1rem;
    width: 100%;
    text-align: left;
  }

  .mobile-toggle {
    display: flex;
  }

  .nav-search {
    display: none;
  }

  /* Mobile Grid */
  .stories-grid {
    grid-template-columns: 1fr;
  }

  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  /* Mobile Hero */
  .hero {
    padding: 3rem 1.25rem;
  }

  /* Mobile Quote */
  .quote-card {
    padding: 2rem 1.25rem;
  }

  /* Mobile Modal */
  .modal {
    margin: 1rem;
    width: auto;
  }

  .modal-body p {
    text-indent: 1.5rem;
  }

  /* Mobile Container */
  .container,
  .content {
    padding: 0 1rem;
  }
}

@media (max-width: 480px) {
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .category-card {
    padding: 1rem 0.75rem;
  }

  .auth-card {
    padding: 2rem 1.25rem;
  }
}


/* Video Page Specific Styles */
 .video-card {
  background: rgba(255, 255, 255, 0.02);  /* เปลี่ยนจาก var(--bg-card) */
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

  .video-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-accent);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
  }

  .video-thumbnail {
    position: relative;
    height: 180px;
    overflow: hidden;
    background: var(--bg-tertiary);
  }

  .video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-normal) var(--ease-out);
  }

  .video-card:hover .video-thumbnail img {
    transform: scale(1.05);
  }

  .play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    transition: background var(--duration-fast) ease;
  }

  .video-card:hover .play-overlay {
    background: rgba(0, 0, 0, 0.5);
  }

  .play-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    transition: transform var(--duration-fast) ease;
  }

  .video-card:hover .play-icon {
    transform: scale(1.1);
  }

  .video-duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
  }

.video-info {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  background: rgba(0, 0, 0, 0.25);  /* เพิ่มบรรทัดนี้ให้อ่านข้อความได้ */
}

  .video-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.4;
  }

  .video-lesson {
    font-size: 0.85rem;
    color: var(--accent);
    font-style: italic;
    margin-bottom: 0.75rem;
  }

  .video-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: auto;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
  }

  .video-views,
  .video-date {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.25rem;
  }

  /* Video Modal */
  .video-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(8px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
  }

  .video-modal.open {
    display: flex;
    animation: fadeIn 0.3s ease;
  }

  .video-modal-content {
    width: 100%;
    max-width: 900px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
  }

  .video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    background: #000;
  }

  .video-wrapper video,
  .video-wrapper iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
  }

  .video-modal-info {
    padding: 1.5rem;
  }

  .video-modal-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
  }

  .video-modal-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
  }

  .video-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--duration-fast) ease;
  }

  .video-modal-close:hover {
    background: var(--accent);
  }