/**
 * Apple Minimalist UI Components for DownMe
 * Spotlight search bar, segmented pills, in-app media preview, trimmer dual-slider,
 * album gallery grid, drag & drop overlay, dynamic island, and footer health badges.
 */

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0 24px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #1f1f2e, #0e0e14);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.brand-title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.theme-toggle-btn, .header-icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover, .header-icon-btn:hover {
  background: var(--bg-surface-active);
  color: var(--text-primary);
  border-color: var(--border-hover);
  transform: scale(1.04);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  text-align: center;
  margin: 20px 0 32px;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-blue);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.hero-pill .pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-blue);
  box-shadow: 0 0 8px var(--accent-blue);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.hero-title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2rem, 5.5vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
  margin-bottom: 12px;
  background: linear-gradient(180deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(0.95rem, 2.5vw, 1.125rem);
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.5;
}

/* Supported platforms ribbon */
.platform-badges-ribbon {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.platform-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  transition: color var(--transition-fast);
}

.platform-chip:hover {
  color: var(--text-primary);
}

.platform-chip svg {
  width: 16px;
  height: 16px;
}

/* ==========================================================================
   Spotlight Search & Input Bar
   ========================================================================== */
.spotlight-wrapper {
  position: relative;
  width: 100%;
  margin-bottom: 32px;
}

.spotlight-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 8px 6px 16px;
  background: var(--bg-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
}

.spotlight-bar:focus-within {
  border-color: var(--border-focus);
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--border-focus), 0 0 24px var(--accent-blue-glow);
  background: var(--bg-glass-elevated);
}

.spotlight-platform-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  transition: all var(--transition-normal);
  color: var(--text-tertiary);
}

.spotlight-platform-icon.platform-youtube {
  color: var(--platform-youtube);
  background: rgba(255, 0, 0, 0.12);
}

.spotlight-platform-icon.platform-facebook {
  color: var(--platform-facebook);
  background: rgba(24, 119, 242, 0.12);
}

.spotlight-platform-icon.platform-tiktok {
  color: var(--platform-tiktok);
  background: rgba(0, 242, 254, 0.12);
}

.spotlight-platform-icon.platform-pinterest {
  color: var(--platform-pinterest);
  background: rgba(230, 0, 35, 0.12);
}

.spotlight-input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  color: var(--text-primary);
  line-height: 1.4;
}

.spotlight-input::placeholder {
  color: var(--text-tertiary);
}

.spotlight-status {
  width: 100%;
  margin-top: 14px;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  background: var(--surface-frosted);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  animation: fadeIn 0.25s ease-out;
  transition: all 0.2s ease;
}

.spotlight-status.loading {
  color: var(--text-primary);
  border-color: rgba(0, 113, 227, 0.4);
  background: rgba(0, 113, 227, 0.08);
}

.spotlight-status.error {
  color: #ff453a;
  border-color: rgba(255, 69, 58, 0.4);
  background: rgba(255, 69, 58, 0.08);
}

.spotlight-status.success {
  color: #30d158;
  border-color: rgba(48, 209, 88, 0.4);
  background: rgba(48, 209, 88, 0.08);
}

.spotlight-status.hidden {
  display: none !important;
}

.spotlight-status .status-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.spotlight-status .status-text {
  flex: 1;
  min-width: 0;
  word-break: break-word;
}

.spotlight-status .status-action-btn {
  margin-left: 8px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--apple-blue);
  color: #fff;
  border: none;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.spotlight-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.action-pill-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 42px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  outline: none;
  transition: all var(--transition-fast);
}

.action-pill-btn.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.action-pill-btn.btn-secondary:hover {
  background: var(--bg-surface-active);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.action-pill-btn.btn-primary {
  background: var(--accent-blue);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--accent-blue-glow);
}

.action-pill-btn.btn-primary:hover:not(:disabled) {
  background: var(--accent-blue-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px var(--accent-blue-glow);
}

.action-pill-btn.btn-primary:active:not(:disabled) {
  transform: translateY(1px);
}

.action-pill-btn.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.icon-clear-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-pill);
  background: var(--bg-surface);
  border: none;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.icon-clear-btn:hover {
  background: var(--bg-surface-active);
  color: var(--text-primary);
}

.hidden {
  display: none !important;
}

/* ==========================================================================
   Dynamic Island Floating Clipboard Card
   ========================================================================== */
.dynamic-island-container {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%) translateY(-120%);
  z-index: 1000;
  transition: transform var(--transition-bounce), opacity var(--transition-normal);
  opacity: 0;
  pointer-events: none;
  width: calc(100% - 32px);
  max-width: 440px;
}

.dynamic-island-container.active {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.dynamic-island-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 12px 8px 16px;
  background: var(--bg-island);
  backdrop-filter: var(--glass-blur-lg);
  -webkit-backdrop-filter: var(--glass-blur-lg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-island);
}

.island-content {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1;
}

.island-icon {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
}

.island-text {
  min-width: 0;
  flex: 1;
}

.island-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.island-url {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.island-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.island-btn {
  height: 32px;
  padding: 0 12px;
  font-size: 0.75rem;
  font-weight: 700;
}

/* ==========================================================================
   Media Preview Card
   ========================================================================== */
.media-preview-card {
  margin-top: 10px;
  margin-bottom: 32px;
  padding: 24px;
  animation: cardFadeIn 350ms var(--ease-spring);
}

@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.preview-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}

.preview-badge-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.platform-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.platform-pill-badge.youtube {
  background: rgba(255, 0, 0, 0.15);
  color: #ff453a;
}
.platform-pill-badge.facebook {
  background: rgba(24, 119, 242, 0.15);
  color: #2f88ff;
}
.platform-pill-badge.tiktok {
  background: rgba(0, 242, 254, 0.15);
  color: #00f2fe;
}
.platform-pill-badge.pinterest {
  background: rgba(230, 0, 35, 0.15);
  color: #ff3b56;
}

.duration-pill-badge {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-tertiary);
  background: var(--bg-surface);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.preview-title {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.preview-author {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* Instant In-App Media Player Container */
.player-container {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #000000;
  border: 1px solid var(--border-subtle);
  margin-bottom: 24px;
  position: relative;
}

/* Video Player */
.preview-video-wrapper {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.preview-video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Audio Waveform Player */
.preview-audio-wrapper {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--bg-surface-elevated);
}

.audio-thumb-art {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.audio-player-controls {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.audio-play-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.audio-play-toggle-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-blue);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.audio-play-toggle-btn:hover {
  transform: scale(1.08);
}

.audio-time-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
}

.audio-seek-slider {
  width: 100%;
  -webkit-appearance: none;
  height: 4px;
  border-radius: 2px;
  background: var(--bg-surface-active);
  outline: none;
}

.audio-seek-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-blue);
  cursor: pointer;
}

/* Photo Carousel / Lightbox */
.preview-photo-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  max-height: 460px;
  background: #060608;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-photo-wrapper img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.carousel-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 10;
}

.carousel-nav-btn:hover {
  background: rgba(0, 0, 0, 0.85);
  transform: translateY(-50%) scale(1.08);
}

.carousel-prev { left: 12px; }
.carousel-next { right: 12px; }

.carousel-counter-pill {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(10px);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff;
}

/* ==========================================================================
   Segmented Controls & Format Pills
   ========================================================================== */
.controls-section {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.control-group-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-bottom: 8px;
}

.segmented-control {
  display: flex;
  align-items: center;
  background: var(--bg-surface);
  padding: 4px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

.segmented-control::-webkit-scrollbar {
  display: none;
}

.segment-pill {
  flex: 1;
  min-width: max-content;
  text-align: center;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  border: none;
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.segment-pill:hover {
  color: var(--text-primary);
}

.segment-pill.active {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm), 0 0 0 1px var(--border-hover);
}

/* Secondary quality pill rows */
.pills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.quality-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.quality-pill:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.quality-pill.active {
  background: var(--accent-blue);
  color: #ffffff;
  border-color: var(--accent-blue);
  box-shadow: 0 2px 10px var(--accent-blue-glow);
}

.quality-pill.default-indicator::after {
  content: 'DEFAULT';
  font-size: 0.625rem;
  font-weight: 700;
  padding: 1px 4px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.2);
  margin-left: 2px;
}

/* Checkbox option */
.option-toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
  cursor: pointer;
  user-select: none;
}

.option-toggle-row input[type="checkbox"] {
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-xs);
  border: 1.5px solid var(--border-hover);
  background: var(--bg-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.option-toggle-row input[type="checkbox"]:checked {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
}

.option-toggle-row input[type="checkbox"]:checked::after {
  content: '';
  width: 5px;
  height: 9px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) translate(-1px, -1px);
}

.option-toggle-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* Subtitle language dropdown */
.subtitles-select-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.apple-select {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  outline: none;
  cursor: pointer;
}

/* ==========================================================================
   Video & Audio Trimmer Tool
   ========================================================================== */
.trimmer-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-top: 10px;
}

.trimmer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.trimmer-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.trimmer-timecodes {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent-blue);
  font-weight: 600;
}

.dual-slider-container {
  position: relative;
  height: 36px;
  display: flex;
  align-items: center;
  margin: 8px 0;
}

.slider-track {
  position: absolute;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--bg-surface-active);
}

.slider-highlight {
  position: absolute;
  height: 6px;
  border-radius: 3px;
  background: var(--accent-blue);
  box-shadow: 0 0 8px var(--accent-blue-glow);
}

.slider-range-input {
  position: absolute;
  width: 100%;
  pointer-events: none;
  -webkit-appearance: none;
  background: none;
  height: 36px;
  margin: 0;
  outline: none;
}

.slider-range-input::-webkit-slider-thumb {
  pointer-events: auto;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--accent-blue);
  cursor: grab;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
  transition: transform var(--transition-fast);
}

.slider-range-input::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.slider-range-input::-webkit-slider-thumb:active {
  cursor: grabbing;
  transform: scale(1.25);
}

.slider-range-input::-moz-range-thumb {
  pointer-events: auto;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--accent-blue);
  cursor: grab;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

.trimmer-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
}

.trimmer-summary {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.trimmer-preview-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.trimmer-preview-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
}

/* ==========================================================================
   Multi-Photo Album Gallery (ZIP)
   ========================================================================== */
.album-gallery-wrapper {
  margin-top: 24px;
}

.album-gallery-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.album-gallery-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
}

.album-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.album-photo-tile {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  background: #09090b;
}

.album-photo-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-fast);
}

.album-photo-tile:hover img {
  transform: scale(1.05);
}

.album-tile-overlay {
  position: absolute;
  top: 8px;
  right: 8px;
}

.album-tile-checkbox {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  border: 1.5px solid #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.album-photo-tile.selected .album-tile-checkbox {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
}

.album-photo-tile.selected .album-tile-checkbox::after {
  content: '✓';
  color: #fff;
  font-size: 11px;
  font-weight: 700;
}

/* ==========================================================================
   Download Primary CTA & Feedback
   ========================================================================== */
.download-cta-section {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.download-primary-btn {
  width: 100%;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--accent-blue);
  color: #ffffff;
  border: none;
  outline: none;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: pointer;
  box-shadow: 0 4px 16px var(--accent-blue-glow);
  transition: all var(--transition-fast);
}

.download-primary-btn:hover:not(:disabled) {
  background: var(--accent-blue-hover);
  box-shadow: 0 6px 22px var(--accent-blue-glow);
  transform: translateY(-1px);
}

.download-primary-btn:active:not(:disabled) {
  transform: translateY(1px);
}

.download-primary-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.download-progress-container {
  width: 100%;
  height: 4px;
  background: var(--bg-surface-active);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 4px;
}

.download-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--accent-blue);
  transition: width 200ms ease;
}

.status-message {
  font-size: 0.8125rem;
  text-align: center;
  color: var(--text-secondary);
  min-height: 20px;
}

.status-message.error {
  color: var(--accent-red);
}

.status-message.success {
  color: var(--accent-green);
}

/* ==========================================================================
   Drag & Drop Link Overlay
   ========================================================================== */
.drag-drop-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: var(--glass-blur-lg);
  -webkit-backdrop-filter: var(--glass-blur-lg);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.drag-drop-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.drag-drop-content {
  width: calc(100% - 64px);
  max-width: 520px;
  padding: 48px 24px;
  border-radius: var(--radius-xl);
  border: 2px dashed var(--accent-blue);
  box-shadow: 0 0 40px var(--accent-blue-glow);
  background: var(--bg-island);
  text-align: center;
  animation: glowPulse 2s infinite ease-in-out;
}

@keyframes glowPulse {
  0%, 100% { border-color: var(--accent-blue); box-shadow: 0 0 30px var(--accent-blue-glow); }
  50% { border-color: #00f2fe; box-shadow: 0 0 50px rgba(0, 242, 254, 0.45); }
}

.drag-drop-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  color: var(--accent-blue);
}

.drag-drop-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.drag-drop-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Footer & Platform Health Badges
   ========================================================================== */
.site-footer {
  margin-top: auto;
  padding-top: 40px;
  border-top: 1px solid var(--border-divider);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.health-badges-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.health-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.health-badge:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--border-hover);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.health-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green-glow);
  transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.health-dot.status-operational {
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green-glow);
}

.health-dot.status-degraded {
  background: var(--accent-amber);
  box-shadow: 0 0 8px var(--accent-amber-glow);
}

.health-dot.status-down {
  background: var(--accent-red);
  box-shadow: 0 0 8px var(--accent-red-glow);
}

.health-latency {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-tertiary);
}

.footer-credits {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-credits a {
  color: var(--text-secondary);
  text-decoration: none;
}

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

/* Latency Popover Tooltip */
.health-popover {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--bg-island);
  backdrop-filter: var(--glass-blur-sm);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 0.6875rem;
  color: var(--text-secondary);
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-fast);
  z-index: 100;
}

.health-badge:hover .health-popover {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ==========================================================================
   Responsive Viewport Constraints
   ========================================================================== */
@media (max-width: 480px) {
  .site-header {
    padding: 8px 0 16px;
  }
  .hero-section {
    margin: 12px 0 20px;
  }
  .spotlight-bar {
    padding: 4px 6px 4px 12px;
    gap: 8px;
  }
  .action-pill-btn {
    height: 38px;
    padding: 0 12px;
    font-size: 0.8125rem;
  }
  .preview-header {
    flex-direction: column;
    gap: 8px;
  }
  .media-preview-card {
    padding: 16px;
  }
  .album-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}