/* ==========================================================================
   Media Showcase Slider CSS (media-showcase.css)
   Editorial Gallery Experience for Field Explorations & Technical Demonstrations
   ========================================================================== */

/* Section Styling */
.media-showcase-section {
  position: relative;
  overflow: hidden;
}

/* Category Filter Bar */
.media-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.media-filter-btn {
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text-muted);
  font-family: "DM Mono", monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.media-filter-btn:hover {
  background: var(--surface-hover);
  border-color: var(--blue);
  color: var(--text);
}

.media-filter-btn.active {
  background: color-mix(in srgb, var(--blue) 18%, transparent);
  border-color: var(--cyan);
  color: var(--cyan-bright);
  box-shadow: 0 0 12px var(--blue-glow);
}

/* Slider Stage Container */
.media-slider-stage {
  position: relative;
  background: linear-gradient(145deg, var(--surface), var(--surface-card));
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  outline: none;
}

.media-slider-stage:focus-visible {
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px var(--blue-glow), var(--shadow);
}

/* Main Card (Desktop: 2 Columns) */
.media-main-card {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 36px;
  align-items: center;
  min-height: 440px;
}

/* Media Frame Wrapper */
.media-frame-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #020617;
  border: 1px solid var(--line-strong);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.media-frame {
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.media-stage-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.4s ease;
}

.media-stage-video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

/* Presentation / Document Preview Card */
.media-doc-preview-card {
  width: 100%;
  height: 100%;
  position: relative;
  background: radial-gradient(circle at 50% 30%, #1e293b 0%, #090d16 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  cursor: pointer;
  text-align: center;
}

.doc-card-bg-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 40%, var(--blue-glow), transparent 70%);
  pointer-events: none;
}

.doc-card-inner {
  position: relative;
  z-index: 2;
  max-width: 440px;
}

.doc-card-emblem {
  font-size: 40px;
  margin-bottom: 12px;
  filter: drop-shadow(0 4px 12px var(--blue-glow));
}

.doc-card-kicker {
  display: inline-block;
  font-family: "DM Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--cyan-bright);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.doc-card-title {
  font-family: "Manrope", sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: #f8fafc;
  margin: 0 0 10px;
  line-height: 1.3;
}

.doc-card-caption {
  font-size: 13px;
  color: #94a3b8;
  line-height: 1.5;
  margin: 0 0 16px;
}

.doc-card-action .doc-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: #38bdf8;
  font-size: 12px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.media-doc-preview-card:hover .doc-card-action .doc-action-btn {
  background: #38bdf8;
  color: #070913;
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.4);
}

/* Badges Overlay */
.media-badges-overlay {
  position: absolute;
  top: 14px;
  left: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 3;
  pointer-events: none;
}

.media-cat-badge {
  background: rgba(13, 19, 34, 0.85);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--cyan-bright);
  font-family: "DM Mono", monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.media-type-badge {
  background: rgba(13, 19, 34, 0.85);
  border: 1px solid var(--line);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--text-muted);
  font-family: "DM Mono", monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* Zoom / Fullscreen Button */
.media-zoom-btn {
  position: absolute;
  bottom: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(13, 19, 34, 0.85);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--text);
  display: grid;
  place-items: center;
  cursor: pointer;
  z-index: 3;
  transition: all 0.2s ease;
}

.media-zoom-btn:hover {
  background: var(--blue);
  color: #070913;
  border-color: var(--blue);
  transform: scale(1.08);
}

/* Metadata & Story Panel */
.media-metadata-panel {
  display: flex;
  flex-direction: column;
}

.media-meta-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.media-slide-counter {
  font-family: "DM Mono", monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan-bright);
}

.media-date-badge {
  font-family: "DM Mono", monospace;
  font-size: 11px;
  color: var(--text-subtle);
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

.media-title {
  font-family: "Manrope", sans-serif;
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--text);
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.media-caption {
  font-size: 14px;
  color: var(--cyan);
  font-weight: 600;
  line-height: 1.5;
  margin: 0 0 14px;
}

.media-description {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  margin: 0 0 24px;
}

.media-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Slider Controls (Prev / Next & Dots) */
.media-slider-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line-faint);
}

.slider-nav-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.slider-nav-btn:hover {
  background: var(--surface-hover);
  border-color: var(--blue);
  color: var(--cyan-bright);
  box-shadow: 0 0 12px var(--blue-glow);
}

.slider-pagination-dots {
  display: flex;
  align-items: center;
  gap: 8px;
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--line-strong);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: all 0.25s ease;
}

.slider-dot:hover {
  background: var(--text-muted);
}

.slider-dot.active {
  width: 28px;
  background: var(--cyan-bright);
  box-shadow: 0 0 8px var(--cyan-glow);
}

/* Thumbnails Strip */
.media-thumbnails-strip {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.media-thumbnails-strip::-webkit-scrollbar {
  height: 4px;
}
.media-thumbnails-strip::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border-radius: 4px;
}

.media-thumb-btn {
  flex: 0 0 180px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 6px;
  cursor: pointer;
  text-align: left;
  scroll-snap-align: start;
  transition: all 0.2s ease;
}

.media-thumb-btn:hover {
  background: var(--surface-hover);
  border-color: var(--blue);
}

.media-thumb-btn.active {
  border-color: var(--cyan-bright);
  background: color-mix(in srgb, var(--blue) 12%, transparent);
  box-shadow: 0 0 10px var(--blue-glow);
}

.thumb-img-wrap {
  width: 44px;
  height: 44px;
  border-radius: 6px;
  overflow: hidden;
  background: #020617;
  flex-shrink: 0;
  display: grid;
  place-items: center;
}

.thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.thumb-doc-icon {
  font-size: 18px;
}

.thumb-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.thumb-cat {
  font-family: "DM Mono", monospace;
  font-size: 9px;
  color: var(--cyan);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-transform: uppercase;
}

.thumb-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Fallback Card */
.media-fallback-card {
  text-align: center;
  padding: 40px 20px;
  max-width: 400px;
}

.fallback-icon {
  font-size: 36px;
  margin-bottom: 12px;
}

/* Lightbox Modal */
.media-lightbox-backdrop {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(3, 7, 18, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: lightboxFadeIn 0.2s ease-out;
}

.media-lightbox-backdrop[hidden] {
  display: none !important;
}

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

.media-lightbox-content {
  position: relative;
  width: 100%;
  max-width: 1000px;
  max-height: 90vh;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.media-lightbox-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(13, 19, 34, 0.85);
  border: 1px solid var(--line-strong);
  color: #f8fafc;
  display: grid;
  place-items: center;
  cursor: pointer;
  z-index: 10;
  transition: all 0.2s ease;
}

.media-lightbox-close:hover {
  background: var(--blue);
  color: #070913;
  transform: rotate(90deg);
}

.media-lightbox-body {
  width: 100%;
  max-height: 65vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #020617;
  overflow: hidden;
}

.lightbox-full-img {
  max-width: 100%;
  max-height: 65vh;
  object-fit: contain;
}

.lightbox-full-video {
  max-width: 100%;
  max-height: 65vh;
  outline: none;
}

.lightbox-doc-card {
  padding: 50px 30px;
  text-align: center;
  color: #f8fafc;
}

.lightbox-doc-card .doc-icon {
  font-size: 54px;
  margin-bottom: 16px;
}

.media-lightbox-footer {
  padding: 20px 24px;
  background: var(--surface-card);
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.lightbox-info h4 {
  margin: 0 0 4px;
  font-family: "Manrope", sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.lightbox-info p {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
}

/* Animations */
.slide-in-right {
  animation: slideRight 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.slide-in-left {
  animation: slideLeft 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

@keyframes slideLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Responsive Media Queries */
@media (max-width: 960px) {
  .media-main-card {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .media-frame-wrapper {
    aspect-ratio: 16 / 10;
  }
  .media-slider-stage {
    padding: 24px 18px;
  }
}

@media (max-width: 640px) {
  .media-filter-btn {
    padding: 6px 12px;
    font-size: 10px;
  }
  .media-frame-wrapper {
    aspect-ratio: 4 / 3;
  }
  .media-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .media-actions a {
    justify-content: center;
  }
  .media-thumb-btn {
    flex: 0 0 150px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .slide-in-right,
  .slide-in-left,
  .media-stage-img,
  .slider-dot {
    transition: none !important;
    animation: none !important;
  }
}