/* ---- Variables de color ---- */
:root,
[data-bs-theme="light"] {
  --card-bg: #fff;
  --card-bg-soft: #f8fafc;
  --card-border: #e2e8f0;
  --card-text: #0f172a;
  --card-link-bg: rgba(60, 60, 60, 0.05);
  --card-link-hover: rgba(60, 60, 60, 0.12);
  --shadow: rgba(0, 0, 0, 0.08);
  --badge-bg: #e2e8f0;
  --badge-border: #cbd5e1;
  --badge-text: #0f172a;
}

/* Dark mode de Bootstrap */
[data-bs-theme="dark"] {
  --card-bg: linear-gradient(135deg, #0f172a 0%, #111827 40%, #0b1020 100%);
  --card-bg-soft: #0b1020;
  --card-border: rgba(255, 255, 255, 0.12);
  --card-text: #e5e7eb;
  --card-link-bg: rgba(255, 255, 255, 0.08);
  --card-link-hover: rgba(255, 255, 255, 0.15);
  --shadow: rgba(0, 0, 0, 0.25);
  --badge-bg: rgba(255, 255, 255, 0.08);
  --badge-border: rgba(255, 255, 255, 0.15);
  --badge-text: #e5e7eb;
}

/* ---- Card principal ---- */
.container .card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 1.25rem;
  box-shadow: 0 10px 28px var(--shadow);
  backdrop-filter: blur(10px);
  transition: all 0.25s ease-in-out;
  color: var(--card-text);
}

/* Header */
.container .card-header {
  background: transparent;
  border-bottom: 1px solid var(--card-border);
  font-weight: 600;
  color: var(--card-text);
  backdrop-filter: blur(6px);
}

/* ---- Cards internos ---- */
.container .card .card {
  background: var(--card-bg);
  border-radius: 1.1rem;
  border: 1px solid var(--card-border);
  box-shadow: 0 4px 10px var(--shadow);
  text-align: center;
  transition: all 0.25s ease;
}

.container .card .card:hover {
  transform: translateY(-3px);
  background: var(--card-bg-soft);
  box-shadow: 0 6px 16px var(--shadow);
}

/* Imagen del card */
.container .card .card img {
  max-height: 130px;
  filter: drop-shadow(0 2px 2px rgba(0,0,0,0.05));
  transition: transform 0.25s ease, filter 0.25s ease;
}

.container .card .card:hover img {
  transform: scale(1.05);
  filter: brightness(1.08);
}

/* ---- Texto / Botón ---- */
.container .card .card p a {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  background: var(--card-link-bg);
  border-radius: 0.5rem;
  color: var(--card-text);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.25s ease;
}

.container .card .card p a:hover {
  background: var(--card-link-hover);
  transform: scale(1.05);
}

/* Badges coherentes con tema */
.theme-badge,
.badge.theme-badge {
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--badge-text);
}

/* ---- Densho / cards destacadas ---- */
.densho-card {
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--card-border);
  box-shadow: 0 12px 30px var(--shadow);
}
[data-bs-theme="dark"] .densho-card {
  background: var(--card-bg);
  color: var(--card-text);
}
[data-bs-theme="light"] .densho-card {
  background: var(--card-bg-soft);
  color: var(--card-text);
}
.densho-card .card-header {
  background: transparent;
}
.densho-card .nav-pills .nav-link {
  color: var(--card-text);
  border-radius: 999px;
  padding: 0.6rem 1.2rem;
  font-weight: 600;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}
.densho-card .nav-pills .nav-link.active {
  background: #2563eb;
  border-color: #2563eb;
  color: #fff;
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
}
.densho-card .nav-pills .nav-link:hover {
  color: #fff;
  border-color: rgba(203, 213, 225, 0.3);
}
.densho-card .back-link {
  color: var(--bs-secondary-color);
  transition: color 0.2s ease, transform 0.2s ease;
}
.densho-card .back-link:hover {
  color: var(--card-text);
  transform: translateX(-2px);
}
[data-bs-theme="dark"] .densho-card .card-body {
  background: var(--card-bg-soft);
}
[data-bs-theme="light"] .densho-card .card-body {
  background: #fff;
}
.densho-tile {
  border: 1px solid var(--card-border);
  color: var(--card-text);
  background: var(--card-bg-soft);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.densho-tile:hover {
  transform: translateY(-2px);
  border-color: rgba(37,99,235,0.6);
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}
.book-card {
  background: var(--card-bg-soft);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  color: var(--card-text);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.book-card:hover {
  transform: translateY(-2px);
  border-color: rgba(37,99,235,0.6);
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}
.book-card .btn-primary {
  border-radius: 12px;
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  border: none;
  box-shadow: 0 12px 30px rgba(37,99,235,0.35);
}
.book-card .btn-primary:hover {
  filter: brightness(1.05);
}
.modern-modal {
  background: var(--card-bg-soft);
  color: var(--card-text);
}
.modern-modal .modal-header {
  border-bottom: 1px solid var(--card-border);
}
@media (max-width: 576px) {
  .densho-card .nav-pills .nav-link {
    padding: 0.5rem 1rem;
  }
}

/* Captcha responsive */
.captcha-wrapper {
  display: flex;
  justify-content: center;
  max-width: 100%;
}
.captcha-wrapper .g-recaptcha {
  transform-origin: 0 0;
}
@media (max-width: 480px) {
  .captcha-wrapper .g-recaptcha {
    transform: scale(0.9);
  }
}
@media (max-width: 360px) {
  .captcha-wrapper .g-recaptcha {
    transform: scale(0.82);
  }
}

/* Admin tiles */
.admin-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  box-shadow: 0 12px 28px var(--shadow);
}
.admin-tile {
  display: block;
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  background: var(--card-bg-soft);
  color: var(--card-text);
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.admin-tile:hover {
  transform: translateY(-2px);
  border-color: rgba(37,99,235,0.6);
  box-shadow: 0 10px 26px rgba(0,0,0,0.25);
}
.admin-tile .badge {
  border-radius: 12px;
}

/* Gallery tiles */
.gallery-tile {
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 0.75rem;
  background: var(--card-bg-soft);
  color: var(--card-text);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.gallery-tile:hover {
  transform: translateY(-2px);
  border-color: rgba(37,99,235,0.6);
  box-shadow: 0 10px 26px rgba(0,0,0,0.25);
}
.gallery-image-wrapper {
  position: relative;
  width: 100%;
  padding-top: 70%;
  overflow: hidden;
  border-radius: 10px;
  background: var(--card-bg);
}
.gallery-image-wrapper img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.2s ease;
}
.gallery-image-wrapper:hover img {
  transform: scale(1.03);
}

/* ---- Grilla responsive ---- */
.row.row-cols-1.row-cols-md-2.g-2 {
  row-gap: 1.25rem;
  column-gap: 1.25rem;
}

@media (max-width: 768px) {
  .row.row-cols-1.row-cols-md-2.g-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
}

@media (max-width: 576px) {
  .row.row-cols-1.row-cols-md-2.g-2 {
    grid-template-columns: 1fr;
  }
}

/* Hover global sutil */
.row.row-cols-1.row-cols-md-2.g-2:hover .card:not(:hover) {
  opacity: 0.93;
  transform: scale(0.99);
}

body.light-mode,
    body.dark-mode {
      position: relative;
    }

    body.light-mode::after,
    body.dark-mode::after {
      content: '';
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: url('/storage/bg_base.webp') no-repeat center center;
      background-size: cover;
      opacity: 0.07;
      pointer-events: none;
      z-index: -1;
    }

    .fade-in {
      opacity: 0;
      animation: fadeInAnimation 0.3s ease-in forwards;
    }

    @keyframes fadeInAnimation {
      from {
        opacity: 0;
      }

      to {
        opacity: 1;
      }
    }