/* ==========================================================================
   SCHWEB TEMPLATE — MAIN STYLESHEET
   ==========================================================================
   สารบัญ (Table of Contents)
   1.  CSS Variables & Theme Tokens
   2.  Font Faces / Google Fonts Fallback Stack
   3.  Reset & Base Typography
   4.  Utility Classes (spacing, text, shadow, blur, gradient)
   5.  Buttons
   6.  Topbar
   7.  Navbar / Navigation
   8.  Hero Section (with background image + blur overlay)
   9.  Marquee / News Ticker
   10. Section Titles
   11. News Cards & List Items
   12. Banner Grid (admin)
   13. Stats Section
   14. Call To Action Section
   15. Footer
   16. Preview Mode Banner
   17. Admin Layout (sidebar, topnav, cards, tables, forms)
   18. Color Picker & Theme Preset Swatches
   19. Animations & Keyframes
   20. Scrollbar Styling
   21. Responsive Breakpoints
   22. Print Styles
   ========================================================================== */


/* ==========================================================================
   1. CSS VARIABLES & THEME TOKENS
   ========================================================================== */

:root {
  /* --- Core theme colors (overridden per-tenant via inline <style> block) --- */
  --color-primary: #0d3b66;
  --color-primary-rgb: 13, 59, 102;
  --color-secondary: #ee9b00;
  --color-secondary-rgb: 238, 155, 0;

  /* --- Derived tones (computed via color-mix, supported in modern browsers) --- */
  --color-primary-light: color-mix(in srgb, var(--color-primary) 25%, white);
  --color-primary-lighter: color-mix(in srgb, var(--color-primary) 10%, white);
  --color-primary-dark: color-mix(in srgb, var(--color-primary) 80%, black);
  --color-secondary-light: color-mix(in srgb, var(--color-secondary) 25%, white);
  --color-secondary-dark: color-mix(in srgb, var(--color-secondary) 80%, black);

  /* --- Neutral palette --- */
  --color-bg: #f7f8fa;
  --color-surface: #ffffff;
  --color-surface-alt: #f1f3f5;
  --color-text: #212529;
  --color-text-muted: #6c757d;
  --color-border: #e9ecef;

  /* --- Typography --- */
  --font-family-base: "Prompt", "Noto Sans Thai", -apple-system, sans-serif;
  --font-size-base: 1rem;
  --line-height-base: 1.7;

  /* --- Effects --- */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.10);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.16);
  --shadow-glow: 0 0 0 4px rgba(var(--color-primary-rgb), 0.15);
  --blur-sm: blur(6px);
  --blur-md: blur(14px);
  --blur-lg: blur(28px);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --radius-pill: 999px;

  /* --- Motion --- */
  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}


/* ==========================================================================
   2. FONT FACES / GOOGLE FONTS
   ==========================================================================
   ฟอนต์เหล่านี้โหลดผ่าน <link> ใน <head> ของ site_template.php ตาม
   tenant['font_family'] ที่แอดมินเลือกไว้ — รายชื่อฟอนต์ที่รองรับ:
   Prompt, Kanit, Mitr, Bai Jamjuree, Chakra Petch, Sarabun, Noto Sans Thai
   ========================================================================== */

.font-prompt        { --font-family-base: "Prompt", "Noto Sans Thai", sans-serif; }
.font-kanit          { --font-family-base: "Kanit", "Noto Sans Thai", sans-serif; }
.font-mitr           { --font-family-base: "Mitr", "Noto Sans Thai", sans-serif; }
.font-bai-jamjuree   { --font-family-base: "Bai Jamjuree", "Noto Sans Thai", sans-serif; }
.font-chakra-petch   { --font-family-base: "Chakra Petch", "Noto Sans Thai", sans-serif; }
.font-sarabun        { --font-family-base: "Sarabun", "Noto Sans Thai", sans-serif; }


/* ==========================================================================
   3. RESET & BASE TYPOGRAPHY
   ========================================================================== */

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-base);
  font-weight: 600;
  letter-spacing: 0.2px;
  color: var(--color-text);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover { color: var(--color-secondary); }

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

::selection {
  background: var(--color-primary);
  color: #fff;
}


/* ==========================================================================
   4. UTILITY CLASSES
   ========================================================================== */

.bg-brand-primary { background: var(--color-primary) !important; }
.bg-brand-secondary { background: var(--color-secondary) !important; }
.text-brand-primary { color: var(--color-primary) !important; }
.text-brand-secondary { color: var(--color-secondary) !important; }

.bg-gradient-brand {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.bg-gradient-accent {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
}

.shadow-soft { box-shadow: var(--shadow-sm); }
.shadow-medium { box-shadow: var(--shadow-md); }
.shadow-strong { box-shadow: var(--shadow-lg); }

.glass {
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.glass-dark {
  background: rgba(13, 20, 30, 0.45);
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.rounded-soft { border-radius: var(--radius-md); }
.rounded-pill-soft { border-radius: var(--radius-pill); }

.section-py { padding: 4rem 0; }
.section-py-sm { padding: 2rem 0; }

.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.hover-lift:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.hover-zoom-wrap { overflow: hidden; }
.hover-zoom-wrap img {
  transition: transform var(--transition-slow);
}
.hover-zoom-wrap:hover img {
  transform: scale(1.08);
}

.hover-glow {
  transition: box-shadow var(--transition-base);
}
.hover-glow:hover {
  box-shadow: var(--shadow-glow), var(--shadow-md);
}


/* ==========================================================================
   5. BUTTONS
   ========================================================================== */

.btn-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  border: none;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-brand::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.35) 50%, transparent 100%);
  transform: translateX(-120%);
  transition: transform var(--transition-slow);
}

.btn-brand:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  filter: brightness(1.05);
  color: #fff;
}

.btn-brand:hover::after { transform: translateX(120%); }

.btn-brand:active { transform: translateY(-1px) scale(0.98); }

.btn-brand-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  border: 2px solid var(--color-primary);
  background: transparent;
  color: var(--color-primary);
  transition: all var(--transition-base);
}

.btn-brand-outline:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
}


/* ==========================================================================
   6. TOPBAR
   ========================================================================== */

.topbar {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.85rem;
  padding: 0.5rem 0;
  transition: background var(--transition-base);
}

.topbar a { color: inherit; }
.topbar i { color: var(--color-secondary-light); margin-right: 0.35rem; }


/* ==========================================================================
   7. NAVBAR / NAVIGATION
   ========================================================================== */

.site-navbar {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  box-shadow: var(--shadow-sm);
  padding: 0.9rem 0;
  position: sticky;
  top: 0;
  z-index: 1030;
  transition: box-shadow var(--transition-base), padding var(--transition-base);
}

.site-navbar.scrolled {
  box-shadow: var(--shadow-md);
  padding: 0.5rem 0;
}

.site-navbar .navbar-brand img {
  height: 48px;
  margin-right: 0.75rem;
  transition: transform var(--transition-base);
}

.site-navbar .navbar-brand:hover img {
  transform: rotate(-4deg) scale(1.05);
}

.site-navbar .navbar-brand .school-name {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1.15rem;
}

.nav-link-brand {
  position: relative;
  color: var(--color-text) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
}

.nav-link-brand::after {
  content: "";
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 0.15rem;
  height: 2px;
  background: var(--color-secondary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.nav-link-brand:hover::after,
.nav-link-brand.active::after {
  transform: scaleX(1);
}

.nav-link-brand:hover { color: var(--color-primary) !important; }


/* ==========================================================================
   8. HERO SECTION
   ========================================================================== */

.hero-section {
  position: relative;
  min-height: 460px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--color-primary-dark);
  background-size: cover;
  background-position: center;
}

.hero-section .hero-bg-layer {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  filter: saturate(1.05);
  animation: heroKenBurns 24s ease-in-out infinite alternate;
}

.hero-section .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(var(--color-primary-rgb), 0.55) 0%,
    rgba(var(--color-primary-rgb), 0.75) 100%
  );
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
}

.hero-section .hero-content {
  position: relative;
  z-index: 2;
  color: #fff;
  padding: 3rem 0;
}

.hero-section .hero-content .glass-card {
  padding: 2rem 2.5rem;
  border-radius: var(--radius-lg);
  max-width: 640px;
}

.hero-section .hero-content h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
}

.hero-section .hero-content p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.05rem;
}

/* --- โหมดพื้นหลังทั้งเว็บ (ตั้งค่าธีม > พื้นหลังหน้าแรก) ---
   body มีรูปพื้นหลังของตัวเองแล้ว (background-attachment:fixed) ส่วนต่างๆ ที่เคยทึบ
   ต้องโปร่งใส/เป็นกระจกฝ้า ให้เห็นพื้นหลังทะลุผ่านได้ */
body.has-site-background { background-color: transparent; }

.has-site-background .marquee-bar {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border-color: rgba(255, 255, 255, 0.4);
}

.hero-section-transparent {
  background: transparent;
  min-height: 320px;
}

.hero-carousel-wrap-transparent {
  background: transparent;
}

/* --- Hero carousel (when no custom background, fall back to banner slides) --- */
.hero-carousel-wrap {
  padding: 1.25rem 0;
  background: linear-gradient(180deg, var(--color-surface-alt) 0%, var(--color-bg) 100%);
}

.hero-carousel {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(var(--color-primary-rgb), 0.12);
  position: relative;
}

.hero-carousel::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25);
  pointer-events: none;
}

.hero-carousel img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
}

.hero-carousel .carousel-caption {
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: var(--blur-sm);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
}

.hero-carousel .carousel-control-prev,
.hero-carousel .carousel-control-next {
  width: 6%;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.hero-carousel:hover .carousel-control-prev,
.hero-carousel:hover .carousel-control-next {
  opacity: 0.85;
}

.hero-carousel .carousel-indicators button {
  border-radius: 50%;
  width: 10px;
  height: 10px;
  transition: transform var(--transition-fast);
}

.hero-carousel .carousel-indicators button.active {
  transform: scale(1.3);
  background: var(--color-secondary);
}

@media (max-width: 767.98px) {
  .hero-carousel { border-radius: var(--radius-md); }
}


/* ==========================================================================
   9. MARQUEE / NEWS TICKER
   ========================================================================== */

.marquee-bar {
  background: var(--color-surface-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 0.6rem 0;
  overflow: hidden;
  position: relative;
}

.marquee-bar::before {
  content: "📢";
  margin-right: 0.6rem;
}

.marquee-bar a {
  font-weight: 500;
  transition: color var(--transition-fast);
}

.marquee-bar a:hover {
  color: var(--color-secondary-dark);
  text-decoration: underline;
}


/* ==========================================================================
   10. SECTION TITLES
   ========================================================================== */

.section-title {
  position: relative;
  margin-bottom: 2.25rem;
  padding-bottom: 0.75rem;
}

.section-title h2 {
  font-size: 1.75rem;
  font-weight: 700;
}

.section-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 64px;
  height: 4px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.section-title.text-center::after {
  left: 50%;
  transform: translateX(-50%);
}


/* ==========================================================================
   11. NEWS CARDS & LIST ITEMS
   ========================================================================== */

.news-item {
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0.25rem;
  transition: background var(--transition-fast), padding-left var(--transition-fast);
  border-radius: var(--radius-sm);
}

.news-item[role="button"] { cursor: pointer; }

.news-item:hover {
  background: var(--color-surface-alt);
  padding-left: 0.75rem;
}

.news-item:last-child { border-bottom: none; }

.news-item .news-title {
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.news-item:hover .news-title { color: var(--color-primary); }

.news-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  height: 100%;
}

.news-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.news-card .news-card-img {
  height: 180px;
  overflow: hidden;
  position: relative;
}

.news-card .news-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.news-card:hover .news-card-img img {
  transform: scale(1.1);
}

.news-card .news-card-body {
  padding: 1.25rem;
}

.badge-draft {
  background: var(--color-secondary);
  color: #fff;
  border-radius: var(--radius-pill);
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-published {
  background: #2a9d8f;
  color: #fff;
  border-radius: var(--radius-pill);
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
}


/* ==========================================================================
   12. BANNER GRID (admin)
   ========================================================================== */

.banner-grid-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  background: var(--color-surface);
}

.banner-grid-item:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--shadow-md);
}

.banner-grid-item .banner-img-wrap {
  overflow: hidden;
  height: 160px;
}

.banner-grid-item .banner-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow), filter var(--transition-slow);
}

.banner-grid-item:hover .banner-img-wrap img {
  transform: scale(1.12);
  filter: brightness(1.05);
}


/* ==========================================================================
   13. STATS SECTION
   ========================================================================== */

.stats-item {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.stats-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.stats-item i {
  font-size: 2rem;
  color: var(--color-secondary);
  margin-right: 0.75rem;
}

.stats-item .stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-primary);
}


/* ==========================================================================
   14. CALL TO ACTION SECTION
   ========================================================================== */

.cta-section {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  padding: 3.5rem 0;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  top: -120px;
  right: -80px;
}

.cta-section::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
  bottom: -100px;
  left: -60px;
}

.cta-section .cta-content { position: relative; z-index: 2; }


/* ==========================================================================
   15. FOOTER
   ========================================================================== */

.site-footer {
  background: linear-gradient(180deg, var(--color-primary-dark) 0%, #05141f 100%);
  color: rgba(255, 255, 255, 0.85);
  padding: 3rem 0 1.5rem;
  margin-top: 3rem;
  position: relative;
}

.site-footer a { color: rgba(255, 255, 255, 0.75); }
.site-footer a:hover { color: var(--color-secondary-light); }

.site-footer h5 {
  color: #fff;
  font-weight: 700;
  margin-bottom: 1rem;
}

.site-footer .social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  margin-right: 0.5rem;
  transition: all var(--transition-base);
}

.site-footer .social-links a:hover {
  background: var(--color-secondary);
  color: #fff;
  transform: translateY(-4px) rotate(8deg);
}

.site-footer hr {
  border-color: rgba(255, 255, 255, 0.15);
}


/* ==========================================================================
   16. PREVIEW MODE BANNER
   ========================================================================== */

.preview-banner {
  background: repeating-linear-gradient(
    45deg,
    var(--color-secondary),
    var(--color-secondary) 12px,
    var(--color-secondary-dark) 12px,
    var(--color-secondary-dark) 24px
  );
  color: #1a1a1a;
  text-align: center;
  font-weight: 700;
  padding: 0.65rem;
  letter-spacing: 0.3px;
  position: sticky;
  top: 0;
  z-index: 2000;
}


/* ==========================================================================
   17. ADMIN LAYOUT
   ========================================================================== */

.admin-body {
  background: var(--color-bg);
  font-family: var(--font-family-base);
}

.admin-sidebar {
  width: 240px;
  min-height: 100vh;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  box-shadow: var(--shadow-md);
}

.admin-sidebar .sidebar-brand {
  color: #fff;
  font-weight: 700;
  padding: 1.25rem 1.25rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.admin-sidebar a {
  color: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.25rem;
  text-decoration: none;
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}

.admin-sidebar a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-left-color: var(--color-secondary);
  padding-left: 1.5rem;
}

.admin-sidebar a.active {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-left-color: var(--color-secondary);
}

.admin-content { flex: 1; padding: 2rem; }

.admin-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  transition: box-shadow var(--transition-base);
}

.admin-card:hover { box-shadow: var(--shadow-md); }

.admin-table {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.admin-table th {
  background: var(--color-surface-alt);
  font-weight: 600;
  border-bottom: 2px solid var(--color-border);
}

.admin-table tbody tr {
  transition: background var(--transition-fast);
}

.admin-table tbody tr:hover {
  background: var(--color-surface-alt);
}

.admin-stat-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-primary);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.admin-stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.admin-form-control {
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.admin-form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
}


/* ==========================================================================
   18. COLOR PICKER & THEME PRESET SWATCHES
   ========================================================================== */

.theme-picker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 1rem;
}

.theme-swatch {
  border-radius: var(--radius-md);
  padding: 1rem 0.75rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-base);
  text-align: center;
  position: relative;
}

.theme-swatch:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.theme-swatch.selected {
  border-color: var(--color-text);
}

.theme-swatch.selected::after {
  content: "✓";
  position: absolute;
  top: 6px;
  right: 10px;
  color: #fff;
  font-weight: 700;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.theme-swatch .swatch-colors {
  display: flex;
  height: 36px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 0.5rem;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.08);
}

.theme-swatch .swatch-colors span { flex: 1; }

.theme-swatch .swatch-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.color-input-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.color-input-row input[type="color"] {
  width: 56px;
  height: 40px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
  background: none;
}

.color-input-row input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
.color-input-row input[type="color"]::-webkit-color-swatch { border: none; border-radius: var(--radius-sm); }

.font-picker-option {
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
}

.font-picker-option:hover {
  border-color: var(--color-secondary);
  transform: translateY(-2px);
}

.font-picker-option.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-lighter);
}

.font-picker-option .font-sample {
  font-size: 1.4rem;
  margin-bottom: 0.35rem;
}


/* ==========================================================================
   19. ANIMATIONS & KEYFRAMES
   ========================================================================== */

@keyframes heroKenBurns {
  0%   { transform: scale(1.0); }
  100% { transform: scale(1.12); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(var(--color-primary-rgb), 0.35); }
  50%      { box-shadow: 0 0 0 12px rgba(var(--color-primary-rgb), 0); }
}

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.animate-fade-in-up {
  animation: fadeInUp var(--transition-slow) both;
}

.animate-fade-in {
  animation: fadeIn var(--transition-slow) both;
}

.animate-float {
  animation: floatY 4s ease-in-out infinite;
}

.animate-pulse-glow {
  animation: pulseGlow 2.4s ease-in-out infinite;
}

.skeleton-loading {
  background: linear-gradient(90deg, var(--color-surface-alt) 25%, var(--color-border) 37%, var(--color-surface-alt) 63%);
  background-size: 400% 100%;
  animation: shimmer 1.4s ease infinite;
}

/* stagger helper classes for list/grid entrance animations */
.stagger-1 { animation-delay: 0.05s; }
.stagger-2 { animation-delay: 0.1s; }
.stagger-3 { animation-delay: 0.15s; }
.stagger-4 { animation-delay: 0.2s; }
.stagger-5 { animation-delay: 0.25s; }
.stagger-6 { animation-delay: 0.3s; }


/* ==========================================================================
   20. SCROLLBAR STYLING
   ========================================================================== */

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--color-surface-alt); }
::-webkit-scrollbar-thumb {
  background: var(--color-primary-light);
  border-radius: var(--radius-pill);
}
::-webkit-scrollbar-thumb:hover { background: var(--color-primary); }


/* ==========================================================================
   21. RESPONSIVE BREAKPOINTS
   ========================================================================== */

@media (max-width: 991.98px) {
  .hero-section { min-height: 360px; }
  .admin-sidebar { width: 200px; }
}

@media (max-width: 767.98px) {
  .hero-section { min-height: 300px; }
  .hero-section .hero-content .glass-card { padding: 1.25rem 1.5rem; }
  .site-navbar .navbar-brand img { height: 36px; }
  .admin-content { padding: 1.25rem; }
  .theme-picker-grid { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); }
}

@media (max-width: 575.98px) {
  .hero-section { min-height: 240px; }
  .news-card .news-card-img { height: 140px; }
}


/* ==========================================================================
   22. PRINT STYLES
   ========================================================================== */

@media print {
  .site-navbar, .site-footer, .preview-banner, .admin-sidebar { display: none !important; }
  body { background: #fff; }
}
