/* ========================================================
   DARK WATERS • Halloween 2026 Transformations
   Aesthetic: Minimalist, Abyssal Bioluminescence, Glassmorphism
   ======================================================== */

:root {
  --bg-dark: #03080e;
  --teal-glow: #0bf3c8;
  --teal-dim: rgba(11, 243, 200, 0.2);
  --teal-glow-strong: rgba(11, 243, 200, 0.5);
  --cyan-accent: #00e5ff;
  --deep-abyss: #071520;
  --glass-bg: rgba(7, 21, 32, 0.82);
  --glass-border: rgba(11, 243, 200, 0.22);
  --text-main: #f0f7f9;
  --text-muted: #8ea5b4;
  --text-dim: #5c7484;

  --font-serif: 'Cinzel', Georgia, serif;
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: 0.18s ease;
  --transition-normal: 0.28s ease;
}

/* ========================================================
   BASE RESETS
   ======================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  min-height: 100%;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ========================================================
   AMBIENT BACKGROUND CANVAS & VIGNETTE
   ======================================================== */
.ambient-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: none;
}

.video-vignette {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 35%, rgba(2, 6, 11, 0.92) 100%);
}

/* ========================================================
   LAYOUT & CONTAINER
   ======================================================== */
.app-wrapper {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ========================================================
   SITE HEADER
   ======================================================== */
.site-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.header-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  background: rgba(11, 243, 200, 0.08);
  border: 1px solid var(--glass-border);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal-glow);
  margin-bottom: 0.8rem;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--teal-glow);
  box-shadow: 0 0 8px var(--teal-glow);
}

.site-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: 0.15em;
  color: #fff;
  text-shadow: 0 0 24px rgba(11, 243, 200, 0.35);
  margin-bottom: 0.4rem;
}

.site-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: var(--text-muted);
  font-weight: 300;
  letter-spacing: 0.03em;
  margin-bottom: 1rem;
}

.header-stats {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 2rem;
}

.stat-separator {
  color: var(--glass-border);
}

/* Filter Navigation */
.filter-nav {
  width: 100%;
  display: flex;
  justify-content: center;
}

.filter-pills-scroll {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.4rem 0.2rem;
  max-width: 100%;
  scrollbar-width: none;
}
.filter-pills-scroll::-webkit-scrollbar {
  display: none;
}

.filter-pill {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-full);
  background: rgba(7, 21, 32, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.86rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.filter-pill:hover {
  background: rgba(11, 243, 200, 0.1);
  color: #fff;
  border-color: rgba(11, 243, 200, 0.35);
}

.filter-pill.active {
  background: rgba(11, 243, 200, 0.16);
  border-color: var(--teal-glow);
  color: #fff;
  box-shadow: 0 0 16px rgba(11, 243, 200, 0.25);
}

.pill-count {
  font-size: 0.72rem;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.35);
  color: var(--teal-glow);
}

/* ========================================================
   GALLERY GRID (UNTRANSFORMED BASE)
   ======================================================== */
.gallery-container {
  flex: 1;
  width: 100%;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  width: 100%;
}

@media (max-width: 640px) {
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.9rem;
  }
}

/* Photo Card */
.photo-card {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 3;
  transition: all var(--transition-normal);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.photo-card:hover {
  transform: translateY(-4px);
  border-color: var(--teal-glow);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(11, 243, 200, 0.25);
}

.card-image-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #02060a;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
  will-change: transform;
}

.photo-card:hover .card-img {
  transform: scale(1.04);
}

/* Card Overlays */
.card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(3, 8, 14, 0.9) 0%, rgba(3, 8, 14, 0.2) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 0.85rem;
  opacity: 0.9;
  transition: opacity var(--transition-normal);
}

.card-header-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.card-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  background: rgba(3, 8, 14, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-main);
  backdrop-filter: blur(8px);
}

.card-badge.badge-video {
  border-color: var(--teal-glow);
  color: var(--teal-glow);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.card-time {
  font-size: 0.72rem;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.5);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

.card-footer-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.card-title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8);
}

.card-reveal-hint {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.72rem;
  color: var(--teal-glow);
  font-weight: 600;
  letter-spacing: 0.04em;
  opacity: 0;
  transform: translateY(4px);
  transition: all var(--transition-fast);
}

.photo-card:hover .card-reveal-hint {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 640px) {
  .card-reveal-hint {
    display: none;
  }
}

/* Empty State */
.gallery-empty {
  text-align: center;
  padding: 5rem 1rem;
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.gallery-empty h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.gallery-empty p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* ========================================================
   MODAL / LIGHTBOX
   ======================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(2, 6, 11, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 1;
  transition: opacity var(--transition-normal);
}

.modal-backdrop.hidden {
  opacity: 0;
  pointer-events: none;
}

.modal-container {
  width: 100%;
  max-width: 1040px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 35px rgba(11, 243, 200, 0.15);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  max-height: 94vh;
}

/* Modal Header */
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.modal-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.badge-theme {
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-full);
  background: rgba(11, 243, 200, 0.15);
  border: 1px solid var(--teal-glow);
  color: var(--teal-glow);
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
}

.modal-time {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.modal-actions-top {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.icon-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-muted);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.icon-btn:hover {
  background: rgba(11, 243, 200, 0.15);
  color: #fff;
  border-color: var(--teal-glow);
}

.icon-btn.close-btn:hover {
  background: rgba(255, 77, 77, 0.2);
  border-color: #ff4d4d;
  color: #ff4d4d;
}

/* Collapsible Prompt Drawer */
.prompt-drawer {
  background: rgba(3, 8, 14, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0.75rem 1.4rem;
  max-height: 120px;
  overflow-y: auto;
  transition: all var(--transition-fast);
}

.prompt-drawer.hidden {
  display: none;
}

.prompt-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--teal-glow);
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 0.2rem;
}

.prompt-text {
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--text-muted);
  font-style: italic;
}

/* View Mode Bar */
.view-mode-bar {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  background: rgba(2, 6, 11, 0.4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mode-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mode-pill:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.mode-pill.active {
  background: rgba(11, 243, 200, 0.15);
  border-color: var(--teal-glow);
  color: #fff;
}

.mode-pill.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* ========================================================
   COMPARISON STAGE
   ======================================================== */
.stage-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  padding: 0.75rem 0.85rem;
  background: #02060a;
}

.comparison-stage {
  position: relative;
  flex: 1;
  width: 100%;
  max-width: 800px;
  aspect-ratio: 4 / 3;
  max-height: min(60vh, 560px);
  margin: 0 auto;
  border-radius: var(--radius-md);
  overflow: hidden;
  user-select: none;
  touch-action: none;
  background: #000;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
}

/* Media Layers */
.layer-base,
.layer-transformed {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.stage-media {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.layer-base {
  z-index: 5;
}

.layer-transformed {
  z-index: 10;
  clip-path: inset(0 calc(100% - var(--slider-pos)) 0 0);
  will-change: clip-path;
}

.comparison-stage.full-video-mode {
  aspect-ratio: 16 / 9;
  max-width: 900px;
}

/* In pure video mode, hide base image overlay, handle and badges */
.comparison-stage.full-video-mode .layer-base,
.comparison-stage.full-video-mode .slider-handle,
.comparison-stage.full-video-mode .layer-badge {
  display: none !important;
}

.comparison-stage.full-video-mode .layer-transformed {
  clip-path: none !important;
}

/* Clickable Layer Badges (Snap to 0% Original / 100% Transformed) */
.layer-badge {
  position: absolute;
  top: 1rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
  z-index: 35;
  cursor: pointer;
  pointer-events: auto;
  transition: all var(--transition-fast);
  outline: none;
}

.badge-orig {
  left: 1rem;
  background: rgba(3, 8, 14, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
}

.badge-orig:hover {
  background: rgba(147, 51, 234, 0.35);
  border-color: #a855f7;
  box-shadow: 0 0 14px rgba(168, 85, 247, 0.5);
  transform: translateY(-1px);
}

.badge-orig.active {
  background: rgba(147, 51, 234, 0.45);
  border-color: #c084fc;
  box-shadow: 0 0 16px rgba(168, 85, 247, 0.65);
}

.badge-trans {
  right: 1rem;
  background: rgba(7, 21, 32, 0.85);
  border: 1px solid var(--teal-glow);
  color: var(--teal-glow);
  box-shadow: 0 0 10px rgba(11, 243, 200, 0.3);
}

.badge-trans:hover {
  background: rgba(11, 243, 200, 0.25);
  border-color: #fff;
  box-shadow: 0 0 16px rgba(11, 243, 200, 0.6);
  color: #fff;
  transform: translateY(-1px);
}

.badge-trans.active {
  background: rgba(11, 243, 200, 0.35);
  border-color: #fff;
  box-shadow: 0 0 18px rgba(11, 243, 200, 0.75);
  color: #fff;
}

/* Slider Handle & Divider Line */
.slider-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--slider-pos);
  width: 40px;
  margin-left: -20px;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: ew-resize;
  touch-action: none;
}

.handle-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #fff;
  box-shadow: 0 0 12px var(--teal-glow), 0 0 4px #fff;
}

.handle-grip {
  position: relative;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--deep-abyss);
  border: 2px solid var(--teal-glow);
  box-shadow: 0 0 16px rgba(11, 243, 200, 0.6), 0 4px 12px rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal-glow);
  transition: transform var(--transition-fast);
}

.slider-handle:hover .handle-grip,
.slider-handle.dragging .handle-grip {
  transform: scale(1.15);
  background: #020b12;
  border-color: #fff;
  color: #fff;
}

/* Chevron Nav Buttons (Positioned outwards, beside the stage) */
.nav-chevron {
  position: relative;
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(7, 21, 32, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 20;
  backdrop-filter: blur(8px);
  transition: all var(--transition-fast);
}

.nav-chevron:hover {
  background: rgba(11, 243, 200, 0.2);
  border-color: var(--teal-glow);
  color: var(--teal-glow);
  box-shadow: 0 0 16px rgba(11, 243, 200, 0.45);
  transform: scale(1.08);
}

.nav-chevron:active {
  transform: scale(0.96);
}

@media (max-width: 640px) {
  .stage-wrapper {
    gap: 0.35rem;
    padding: 0.5rem 0.35rem;
  }
  .nav-chevron {
    width: 36px;
    height: 36px;
  }
}

/* Stage Loader */
.stage-loader {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 11, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  z-index: 50;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(11, 243, 200, 0.2);
  border-top-color: var(--teal-glow);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Video Control Bar */
.video-controls-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1.4rem;
  background: rgba(3, 8, 14, 0.8);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.btn-play-pause,
.btn-loop {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

.btn-play-pause:hover,
.btn-loop:hover {
  color: var(--teal-glow);
}

.btn-loop.active {
  color: var(--teal-glow);
}

.video-slider-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 0 0.5rem;
}

/* Custom interactive video time scrubber */
.video-time-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.video-time-slider:hover {
  background: rgba(255, 255, 255, 0.25);
}

.video-time-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--teal-glow);
  border: 2px solid #fff;
  box-shadow: 0 0 10px var(--teal-glow);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.video-time-slider::-webkit-slider-thumb:hover,
.video-time-slider:active::-webkit-slider-thumb {
  transform: scale(1.25);
  box-shadow: 0 0 16px var(--teal-glow);
}

.video-time-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--teal-glow);
  border: 2px solid #fff;
  box-shadow: 0 0 10px var(--teal-glow);
  cursor: pointer;
}

.video-time {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

/* Stage Instruction Hints */
.stage-instructions {
  text-align: center;
  padding: 0.4rem 1rem;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.mobile-hint { display: none; }
@media (max-width: 640px) {
  .desktop-hint { display: none; }
  .mobile-hint { display: inline; }
}

/* ========================================================
   MODAL DOWNLOAD ACTION BAR
   ======================================================== */
.modal-download-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  padding: 1rem 1.4rem;
  background: rgba(3, 8, 14, 0.95);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

@media (max-width: 640px) {
  .modal-download-bar {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn-download {
  position: relative;
}

/* Download Original: Eerie Violet */
.btn-download.dl-violet {
  background: rgba(147, 51, 234, 0.14);
  border-color: rgba(168, 85, 247, 0.45);
  color: #e9d5ff;
}

.btn-download.dl-violet:hover {
  background: rgba(147, 51, 234, 0.28);
  border-color: #a855f7;
  box-shadow: 0 0 16px rgba(168, 85, 247, 0.4);
  color: #fff;
}

/* Download Transformed: Blue */
.btn-download.dl-blue {
  background: rgba(14, 165, 233, 0.14);
  border-color: rgba(14, 165, 233, 0.45);
  color: #bae6fd;
}

.btn-download.dl-blue:hover {
  background: rgba(14, 165, 233, 0.28);
  border-color: #0284c7;
  box-shadow: 0 0 16px rgba(14, 165, 233, 0.4);
  color: #fff;
}

/* Download Video: Eerie Green */
.btn-download.dl-green {
  background: rgba(16, 185, 129, 0.14);
  border-color: rgba(16, 185, 129, 0.45);
  color: #6ee7b7;
}

.btn-download.dl-green:hover {
  background: rgba(16, 185, 129, 0.28);
  border-color: #10b981;
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.45);
  color: #fff;
}

/* Download Video: Red (Fallback) */
.btn-download.dl-red {
  background: rgba(239, 68, 68, 0.14);
  border-color: rgba(239, 68, 68, 0.45);
  color: #fecaca;
}

.btn-download.dl-red:hover {
  background: rgba(239, 68, 68, 0.28);
  border-color: #ef4444;
  box-shadow: 0 0 16px rgba(239, 68, 68, 0.4);
  color: #fff;
}

.btn-download.disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.04);
}

.dl-size {
  font-size: 0.7rem;
  opacity: 0.65;
  font-weight: 400;
}

/* ========================================================
   TOAST NOTIFICATION
   ======================================================== */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(7, 21, 32, 0.95);
  border: 1px solid var(--teal-glow);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.8), 0 0 15px rgba(11, 243, 200, 0.3);
  color: #fff;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-full);
  font-size: 0.86rem;
  font-weight: 500;
  z-index: 200;
  transition: all var(--transition-normal);
}

.toast.hidden {
  opacity: 0;
  transform: translate(-50%, 15px);
  pointer-events: none;
}

/* ========================================================
   FOOTER
   ======================================================== */
.site-footer {
  text-align: center;
  padding-top: 3rem;
  color: var(--text-dim);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

/* Helper hidden class */
.hidden {
  display: none !important;
}