/**
 * SSA English Design System - Events & Photo Albums
 * Event Single & Archive, Photo Album Showcase, Gallery Grids
 * Architecture: Clean BEM, CSS Custom Properties, Modular Template Stylesheet.
 * @package SSA English
 */

/* ==========================================================================
   EVENT DETAIL ARCHITECTURE (single-event.php & archive-event.php)
   ========================================================================== */
.ssa-event-spec-section {
  background: var(--ssa-surface, #F7FAFB);
  border-bottom: 1px solid var(--ssa-border, #D9E3E8);
  padding: 1.5rem 0;
}

.ssa-event-detail-bar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
  background: #ffffff;
  border-radius: 20px;
  padding: 1.35rem 1.75rem;
  border: 1px solid rgba(7, 78, 116, 0.12);
  box-shadow: 0 8px 28px rgba(7, 47, 65, 0.05);
  text-align: left;
}

.ssa-event-detail-bar__item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding-right: 1rem;
  border-right: 1px solid rgba(7, 78, 116, 0.08);
  min-width: 0;
}

.ssa-event-detail-bar__item:last-child {
  padding-right: 0;
  border-right: none;
}

.ssa-event-detail-bar__icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(7, 78, 116, 0.08);
  color: var(--ssa-primary, #074E74);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.ssa-event-detail-bar__item--speaker .ssa-event-detail-bar__icon {
  background: rgba(0, 117, 66, 0.1);
  color: var(--ssa-secondary, #007542);
}

.ssa-event-detail-bar__body {
  min-width: 0;
  flex: 1;
}

.ssa-event-detail-bar__item span {
  font-size: 0.75rem;
  color: #64748b;
  font-weight: var(--ssa-fw-extrabold, 800);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.25rem;
}

.ssa-event-detail-bar__item strong {
  color: var(--ssa-primary, #074E74);
  font-size: 0.95rem;
  font-weight: var(--ssa-fw-bold, 700);
  line-height: 1.4;
  display: block;
}

.ssa-event-detail-bar__item--speaker strong {
  color: var(--ssa-secondary, #007542);
}

@media (max-width: 1024px) {
  .ssa-event-detail-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }
  .ssa-event-detail-bar__item:nth-child(2n) {
    border-right: none;
    padding-right: 0;
  }
}

@media (max-width: 640px) {
  .ssa-event-detail-bar {
    grid-template-columns: 1fr;
    padding: 1.15rem 1.25rem;
    gap: 1rem;
  }
  .ssa-event-detail-bar__item {
    border-right: none;
    padding-right: 0;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid rgba(7, 78, 116, 0.08);
  }
  .ssa-event-detail-bar__item:last-child {
    padding-bottom: 0;
    border-bottom: none;
  }
}

.ssa-event-detail-section {
  padding-top: clamp(2.5rem, 5vw, 4rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.ssa-event-detail-container {
  max-width: var(--ssa-container-max, 1280px);
}

.ssa-event-detail-split {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(380px, 0.95fr);
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 960px) {
  .ssa-event-detail-split {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.ssa-event-detail-media {
  border-radius: var(--ssa-radius-xl, 24px);
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(7, 47, 65, 0.08);
  border: 1px solid rgba(7, 78, 116, 0.08);
  margin-bottom: 2rem;
  background: var(--ssa-surface, #F7FAFB);
}

.ssa-event-detail-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
}

.ssa-event-content-card {
  background: #ffffff;
  border: 1px solid var(--ssa-border, #D9E3E8);
  border-radius: var(--ssa-radius-xl, 24px);
  padding: clamp(1.75rem, 3.5vw, 2.75rem);
  box-shadow: 0 8px 28px rgba(7, 47, 65, 0.04);
}

.ssa-event-detail-prose {
  font-size: 1.05rem;
  line-height: 1.78;
  color: var(--ssa-ink-700, #304954);
}

.ssa-event-detail-prose h2 {
  font-size: clamp(1.45rem, 2.2vw, 1.75rem);
  font-weight: var(--ssa-fw-extrabold, 800);
  color: var(--ssa-primary, #074E74);
  margin: 0 0 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 2px solid rgba(7, 78, 116, 0.08);
}

.ssa-event-detail-prose h3 {
  font-size: 1.25rem;
  font-weight: var(--ssa-fw-extrabold, 800);
  color: var(--ssa-primary, #074E74);
  margin-top: 1.75rem;
  margin-bottom: 1rem;
}

.ssa-event-detail-prose ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.ssa-event-detail-prose ul li {
  position: relative;
  padding: 0.85rem 1.1rem 0.85rem 2.75rem;
  background: var(--ssa-surface, #F7FAFB);
  border: 1px solid rgba(7, 78, 116, 0.08);
  border-radius: 14px;
  line-height: 1.65;
  color: var(--ssa-ink-900, #132A36);
  font-weight: 500;
}

.ssa-event-detail-prose ul li::before {
  content: "✓";
  position: absolute;
  left: 1rem;
  top: 0.9rem;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(0, 117, 66, 0.12);
  color: var(--ssa-secondary, #007542);
  font-size: 0.8rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.ssa-event-detail-sticky {
  position: sticky;
  top: 96px;
}

.ssa-event-detail-card {
  background: #ffffff;
  border-radius: var(--ssa-radius-xl, 24px);
  padding: clamp(1.75rem, 3vw, 2.25rem);
  border: 1px solid rgba(7, 78, 116, 0.14);
  box-shadow: 0 14px 36px rgba(7, 47, 65, 0.08);
  position: relative;
  overflow: hidden;
}

.ssa-event-detail-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--ssa-primary, #074E74) 0%, var(--ssa-secondary, #007542) 100%);
}

.ssa-event-detail-card__tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: var(--ssa-fw-extrabold, 800);
  color: var(--ssa-secondary, #007542);
  background: rgba(0, 117, 66, 0.09);
  padding: 5px 12px;
  border-radius: var(--ssa-radius-pill, 9999px);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.ssa-event-detail-card__title {
  font-size: 1.35rem;
  font-weight: var(--ssa-fw-extrabold, 800);
  color: var(--ssa-primary, #074E74);
  margin: 0 0 0.65rem;
  line-height: 1.3;
}

.ssa-event-detail-card__desc {
  font-size: 0.92rem;
  color: var(--ssa-text-muted, #5B7079);
  line-height: 1.6;
  margin-bottom: 1.35rem;
}

.ssa-event-cf7-wrap .ssa-cf7-grid {
  gap: 14px;
}

.ssa-event-cf7-wrap .ssa-cf7-row {
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 540px) {
  .ssa-event-cf7-wrap .ssa-cf7-row {
    grid-template-columns: 1fr;
  }
}

.ssa-event-cf7-wrap .ssa-cf7-field {
  gap: 5px;
  margin-bottom: 0;
}

.ssa-event-cf7-wrap .ssa-cf7-label {
  margin-bottom: 0;
  font-size: 0.82rem;
}

.ssa-event-cf7-wrap .ssa-cf7-input,
.ssa-event-cf7-wrap select.ssa-cf7-input,
.ssa-event-cf7-wrap .ssa-cf7-textarea {
  padding: 10px 14px;
  font-size: 0.9rem;
  min-height: 44px;
}

.ssa-event-cf7-wrap .ssa-cf7-textarea {
  min-height: 76px;
}

.ssa-event-cf7-wrap .ssa-cf7-submit-wrap {
  margin-top: 6px;
}

.ssa-event-cf7-wrap .ssa-cf7-submit-wrap input[type="submit"],
.ssa-event-cf7-wrap .ssa-cf7-submit-wrap button[type="submit"] {
  background: var(--ssa-secondary, #007542);
  box-shadow: 0 6px 18px rgba(0, 117, 66, 0.25);
}

.ssa-event-cf7-wrap .ssa-cf7-submit-wrap input[type="submit"]:hover,
.ssa-event-cf7-wrap .ssa-cf7-submit-wrap button[type="submit"]:hover {
  background: #005a33;
  box-shadow: 0 8px 22px rgba(0, 117, 66, 0.35);
}

.ssa-event-detail-card__btn {
  width: 100%;
  padding: 14px;
  background: var(--ssa-secondary, #007542);
  color: #ffffff;
  border: none;
  border-radius: var(--ssa-radius-pill, 9999px);
  font-size: 1rem;
  font-weight: var(--ssa-fw-extrabold, 800);
  cursor: pointer;
  transition: background 0.2s;
  box-shadow: 0 4px 14px rgba(0, 117, 66, 0.3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.ssa-event-detail-card__btn:hover {
  background: #005a33;
}

.ssa-event-detail-card__info {
  margin-top: 1.35rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--ssa-slate-200, #E2E8F0);
  font-size: 0.85rem;
  color: #475569;
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.ssa-event-detail-card__info-row {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.ssa-event-detail-card__info-row svg {
  color: var(--ssa-primary, #074E74);
  flex-shrink: 0;
  margin-top: 2px;
}

.ssa-event-detail-card__info-row strong {
  color: var(--ssa-ink-900, #132A36);
  font-weight: var(--ssa-fw-bold, 700);
  margin-right: 4px;
}

.ssa-archive-events-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
}

@media (max-width: 1024px) {
  .ssa-archive-events-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }
}

@media (max-width: 640px) {
  .ssa-archive-events-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

.ssa-archive-pagination-wrap {
  margin-top: 3.5rem;
}

.ssa-archive-empty-card {
  padding: 4rem 1.5rem;
  background: #ffffff;
  border-radius: var(--ssa-radius-lg, 20px);
  border: 1px dashed var(--ssa-border, #D9E3E8);
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.ssa-archive-empty-card__icon {
  display: flex;
  justify-content: center;
  margin-bottom: 0.75rem;
  color: var(--ssa-primary, #074E74);
}

.ssa-archive-empty-card__title {
  font-size: 1.25rem;
  font-weight: var(--ssa-fw-bold, 700);
  color: var(--ssa-primary, #074E74);
  margin-bottom: 0.5rem;
}

.ssa-archive-empty-card__desc {
  color: var(--ssa-ink-700, #304954);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0 auto 1.5rem;
  max-width: 500px;
}

.ssa-cta-partnership-card {
  background: linear-gradient(135deg, var(--ssa-primary, #074E74) 0%, #032b40 100%);
  border-radius: var(--ssa-radius-medallion, 28px);
  padding: clamp(2.5rem, 5vw, 4rem);
  color: #ffffff;
  text-align: center;
  box-shadow: 0 16px 40px rgba(7, 78, 116, 0.18);
}

.ssa-cta-partnership-card__title {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: var(--ssa-fw-extrabold, 800);
  color: #ffffff;
  margin-bottom: 1rem;
}

.ssa-cta-partnership-card__desc {
  max-width: 680px;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
  opacity: 0.9;
  line-height: 1.6;
}

.ssa-cta-partnership-card__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Ensure outline buttons on dark background cards maintain high contrast (WCAG AA compliant) */
:is(.ssa-cta-partnership-card, .ssa-card--mau-2, .ssa-archive-cta) .ssa-btn--outline {
  color: #ffffff !important;
  border-color: rgba(255, 255, 255, 0.35) !important;
  background: rgba(255, 255, 255, 0.08) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

:is(.ssa-cta-partnership-card, .ssa-card--mau-2, .ssa-archive-cta) .ssa-btn--outline:hover,
:is(.ssa-cta-partnership-card, .ssa-card--mau-2, .ssa-archive-cta) .ssa-btn--outline:focus-visible {
  color: #ffffff !important;
  border-color: rgba(255, 255, 255, 0.65) !important;
  background: rgba(255, 255, 255, 0.18) !important;
}

/* ==========================================================================
   PHOTO ALBUM ARCHITECTURE (single-photo_album.php & archive-photo_album.php)
   ========================================================================== */
.ssa-album-detail-meta {
  font-size: 1rem;
  color: var(--ssa-text-muted, #5B7079);
  margin: 0.5rem 0 0;
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.ssa-hero--inner .ssa-album-detail-meta {
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 0.5rem 1rem;
  border-radius: var(--ssa-radius-pill, 9999px);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.ssa-album-detail-meta__sep {
  margin: 0 6px;
  opacity: 0.65;
}

.ssa-album-detail-meta__count {
  font-weight: var(--ssa-fw-bold, 700);
  color: var(--ssa-secondary, #007542);
}

.ssa-hero--inner .ssa-album-detail-meta__count {
  color: #6ee7b7;
}

.ssa-album-detail-container {
  max-width: 1200px;
}

.ssa-album-load-more {
  text-align: center;
  margin-top: 3.5rem;
}

.ssa-album-load-btn {
  background: var(--ssa-primary, #074E74);
  color: #ffffff;
  border: none;
  padding: 14px 32px;
  border-radius: var(--ssa-radius-pill, 9999px);
  font-size: 1rem;
  font-weight: var(--ssa-fw-extrabold, 800);
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  box-shadow: 0 4px 14px rgba(7, 78, 116, 0.25);
}

.ssa-album-load-btn:hover {
  background: #053b58;
  transform: translateY(-2px);
}

.ssa-album-empty-card {
  text-align: center;
  padding: 4rem 1.5rem;
  background: var(--ssa-surface, #F7FAFB);
  border-radius: var(--ssa-radius-lg, 20px);
  border: 1px dashed var(--ssa-border, #D9E3E8);
  max-width: 600px;
  margin: 0 auto;
}

.ssa-album-empty-card__icon {
  display: flex;
  justify-content: center;
  margin-bottom: 0.75rem;
  color: var(--ssa-primary, #074E74);
}

.ssa-album-empty-card__title {
  font-size: 1.15rem;
  font-weight: var(--ssa-fw-bold, 700);
  color: var(--ssa-ink-900, #132A36);
  margin-bottom: 0.5rem;
}

.ssa-album-empty-card__desc {
  font-size: 0.95rem;
  color: var(--ssa-ink-500, #5B7582);
  margin: 0;
}

.ssa-archive-albums-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
}

@media (max-width: 1024px) {
  .ssa-archive-albums-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }
}

@media (max-width: 640px) {
  .ssa-archive-albums-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

/* ==========================================================================
   SINGLE PHOTO ALBUM MASONRY GALLERY & FULL-SCREEN LIGHTBOX
   ========================================================================== */

/* Prevent page scrolling when lightbox is open */
body.ssa-lightbox-open {
  overflow: hidden !important;
  touch-action: none;
}

/* 1. MASONRY GALLERY GRID */
.ssa-gallery-masonry {
  column-count: 3;
  column-gap: 1.5rem;
}

@media (max-width: 991px) {
  .ssa-gallery-masonry {
    column-count: 2;
    column-gap: 1.25rem;
  }
}

@media (max-width: 520px) {
  .ssa-gallery-masonry {
    column-count: 2;
    column-gap: 0.75rem;
  }
}

.ssa-gallery-item {
  break-inside: avoid;
  margin-bottom: 1.5rem;
  position: relative;
  border-radius: var(--ssa-radius-lg, 16px);
  overflow: hidden;
  background: var(--ssa-surface, #F7FAFB);
  border: 1px solid var(--ssa-border-subtle, rgba(7, 78, 116, 0.08));
  box-shadow: 0 4px 16px rgba(7, 47, 65, 0.06);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.35s ease;
}

@media (max-width: 520px) {
  .ssa-gallery-item {
    margin-bottom: 0.75rem;
    border-radius: var(--ssa-radius-md, 12px);
  }
}

.ssa-gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px -8px rgba(7, 47, 65, 0.16);
  border-color: rgba(7, 78, 116, 0.22);
}

.ssa-gallery-link {
  display: block;
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.ssa-gallery-link:focus-visible {
  outline: 3px solid var(--ssa-primary, #074E74);
  outline-offset: 3px;
}

.ssa-gallery-link img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.ssa-gallery-link:hover img,
.ssa-gallery-link:focus-visible img {
  transform: scale(1.05);
}

/* Interactive Hover Overlay */
.ssa-gallery-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1rem;
  background: linear-gradient(180deg, rgba(7, 47, 65, 0.05) 0%, rgba(7, 47, 65, 0.15) 50%, rgba(7, 47, 65, 0.85) 100%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.ssa-gallery-link:hover .ssa-gallery-overlay,
.ssa-gallery-link:focus-visible .ssa-gallery-overlay {
  opacity: 1;
}

.ssa-gallery-zoom-badge {
  align-self: flex-end;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--ssa-radius-circle, 50%);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ssa-primary, #074E74);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transform: scale(0.85);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.ssa-gallery-link:hover .ssa-gallery-zoom-badge {
  transform: scale(1);
}

.ssa-gallery-item-name {
  color: #FFFFFF;
  font-family: var(--ssa-font-family);
  font-size: 0.85rem;
  font-weight: var(--ssa-fw-semi, 600);
  line-height: 1.35;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  transform: translateY(6px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ssa-gallery-link:hover .ssa-gallery-item-name {
  transform: translateY(0);
}

/* 2. ADVANCED FULL-SCREEN LIGHTBOX OVERLAY */
.ssa-lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999999;
  background: rgba(5, 22, 31, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  flex-direction: column;
  justify-content: space-between;
  align-items: stretch;
  animation: rvLightboxFadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}

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

/* Top Control Bar */
.ssa-lightbox-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: rgba(7, 35, 48, 0.65);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 20;
}

.ssa-lightbox-counter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.12);
  padding: 0.35rem 0.85rem;
  border-radius: var(--ssa-radius-pill, 999px);
  color: #FFFFFF;
  font-family: var(--ssa-font-family);
  font-size: 0.875rem;
  font-weight: var(--ssa-fw-semi, 600);
  letter-spacing: 0.02em;
}

.ssa-lightbox-counter__icon {
  display: flex;
  align-items: center;
  opacity: 0.85;
}

.ssa-lightbox-counter__cur {
  color: var(--ssa-orange, #F77F00);
  font-weight: var(--ssa-fw-bold, 700);
}

.ssa-lightbox-counter__sep {
  opacity: 0.45;
}

.ssa-lightbox-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ssa-lightbox-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--ssa-radius-circle, 50%);
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.ssa-lightbox-btn:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.35);
  transform: scale(1.05);
}

.ssa-lightbox-btn:focus-visible {
  outline: 2px solid var(--ssa-orange, #F77F00);
  outline-offset: 2px;
}

.ssa-lightbox-btn--play.is-playing {
  background: var(--ssa-orange, #F77F00);
  border-color: var(--ssa-orange, #F77F00);
  color: #FFFFFF;
}

.ssa-lightbox-btn--close {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.3);
}

.ssa-lightbox-btn--close:hover {
  background: rgba(239, 68, 68, 0.85);
  border-color: rgba(239, 68, 68, 1);
}

/* Slideshow Progress Line */
.ssa-lightbox-progress {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  z-index: 25;
}

.ssa-lightbox-progress__bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--ssa-primary, #0B4F6C) 0%, var(--ssa-orange, #F77F00) 100%);
}

/* Navigation Arrows (Prev / Next) */
.ssa-lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  min-width: 52px;
  min-height: 52px;
  width: 52px;
  height: 52px;
  border-radius: var(--ssa-radius-circle, 50%);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #FFFFFF;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 15;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.ssa-lightbox-nav-btn:hover {
  background: rgba(255, 255, 255, 0.28);
  border-color: rgba(255, 255, 255, 0.45);
  transform: translateY(-50%) scale(1.08);
}

.ssa-lightbox-nav-btn:focus-visible {
  outline: 2px solid var(--ssa-orange, #F77F00);
  outline-offset: 3px;
}

.ssa-lightbox-nav-btn--prev {
  left: 1.5rem;
}

.ssa-lightbox-nav-btn--next {
  right: 1.5rem;
}

@media (max-width: 768px) {
  .ssa-lightbox-nav-btn {
    min-width: 44px;
    min-height: 44px;
    width: 44px;
    height: 44px;
  }
  .ssa-lightbox-nav-btn--prev {
    left: 0.5rem;
  }
  .ssa-lightbox-nav-btn--next {
    right: 0.5rem;
  }
}

/* Stage Area (Image Viewport) */
.ssa-lightbox-stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 4.5rem;
  overflow: hidden;
  position: relative;
  touch-action: pan-y;
}

@media (max-width: 768px) {
  .ssa-lightbox-stage {
    padding: 0.5rem 1rem;
  }
}

.ssa-lightbox-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  max-height: 100%;
}

.ssa-lightbox-img-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 90vw;
  max-height: 76vh;
}

.ssa-lightbox-img {
  max-width: 100%;
  max-height: 76vh;
  object-fit: contain;
  border-radius: var(--ssa-radius-md, 12px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  transition: opacity 0.25s ease, transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: block;
}

.ssa-lightbox-img.is-loading {
  opacity: 0.3;
  transform: scale(0.98);
}

.ssa-lightbox-spinner {
  position: absolute;
  width: 42px;
  height: 42px;
  border: 3px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--ssa-orange, #F77F00);
  border-radius: 50%;
  animation: rvSpin 0.75s linear infinite;
  z-index: 5;
}

@keyframes rvSpin {
  to { transform: rotate(360deg); }
}

/* Caption & Hint Area */
.ssa-lightbox-caption-wrap {
  margin-top: 1rem;
  text-align: center;
  max-width: 750px;
}

.ssa-lightbox-caption {
  color: #F1F5F9;
  font-family: var(--ssa-font-family);
  font-size: 1rem;
  font-weight: var(--ssa-fw-semi, 600);
  line-height: 1.45;
  margin: 0;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
}

.ssa-lightbox-mobile-hint {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: #94A3B8;
  font-size: 0.775rem;
  margin-top: 6px;
}

@media (max-width: 768px) {
  .ssa-lightbox-mobile-hint {
    display: inline-flex;
  }
}