/* ==========================================================================
   FERRIS WHEEL GALLERY COMPONENT STYLES
   Aesthetic: Dark Luxury + Technical Telemetry + Physics-Driven 3D Wheel
   ========================================================================== */

.ferris-showcase-wrapper {
  margin-bottom: var(--space-3xl);
  position: relative;
}

/* View Mode Switcher */
.gallery-mode-switch {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  padding: 0.75rem 1.25rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  flex-wrap: wrap;
}

.gallery-mode-pills {
  display: flex;
  gap: var(--space-xs);
}

.mode-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--duration-fast) ease;
}

.mode-pill:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.mode-pill.active {
  background: var(--accent-gold-dim);
  color: var(--accent-gold);
  border-color: var(--border-accent);
  box-shadow: 0 0 15px -3px var(--accent-gold-glow);
}

.gallery-status-telemetry {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-tertiary);
  letter-spacing: 0.06em;
}

.gallery-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal-green);
  box-shadow: 0 0 8px var(--signal-green);
  animation: pulse-telemetry 2s infinite ease-in-out;
}

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

/* Ferris Wheel Main Container */
.ferris-container {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: clamp(2rem, 4vw, 3.5rem);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: radial-gradient(circle at 35% 50%, rgba(229, 169, 60, 0.03) 0%, transparent 70%), var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md, 12px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
  position: relative;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .ferris-container {
    grid-template-columns: 1.15fr 1fr;
  }
}

/* LEFT COLUMN: THE FERRIS WHEEL STAGE */
.ferris-wheel-stage-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.ferris-stage {
  position: relative;
  margin: 0 auto;
  width: 100%;
  max-width: 440px;
  aspect-ratio: 1 / 1;
  user-select: none;
  touch-action: none;
  cursor: grab;
}

.ferris-stage:active {
  cursor: grabbing;
}

/* Top 'ON VIEW' Target Indicator */
.ferris-on-view-label {
  pointer-events: none;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  color: var(--accent-gold);
  z-index: 25;
}

.ferris-on-view-text {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-shadow: 0 0 10px var(--accent-gold-glow);
}

.ferris-on-view-arrow {
  width: 14px;
  height: 14px;
  animation: bounce-subtle 1.8s infinite ease-in-out;
}

@keyframes bounce-subtle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(3px); }
}

/* Triangular Base Support Struts */
.ferris-support-struts {
  pointer-events: none;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: rgba(255, 255, 255, 0.12);
  z-index: 1;
}

/* Rotating Wheel Body */
.ferris-wheel-body {
  position: absolute;
  left: 17%;
  top: 13%;
  width: 66%;
  height: 66%;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.8), inset 0 0 30px rgba(229, 169, 60, 0.04);
  transform-origin: center center;
  will-change: transform;
  z-index: 5;
}

.ferris-wheel-inner-rim {
  position: absolute;
  inset: 6%;
  border-radius: 50%;
  border: 1px dashed rgba(255, 255, 255, 0.1);
  pointer-events: none;
}

/* Perimeter Rim Lights */
.ferris-rim-light {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent-gold);
  box-shadow: 0 0 6px var(--accent-gold);
  transform: translate(-50%, -50%);
  pointer-events: none;
  opacity: 0.75;
}

/* Spoke Lines */
.ferris-spoke {
  position: absolute;
  left: 50%;
  top: 50%;
  height: 1px;
  width: 50%;
  transform-origin: left center;
  background: linear-gradient(to right, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.05));
  pointer-events: none;
}

/* Gondola Anchor Positioning */
.ferris-gondola-anchor {
  position: absolute;
  width: 32%;
  transform-origin: top left;
  z-index: 10;
}

.ferris-gondola-anchor.is-active {
  z-index: 30;
}

/* Counter-Rotating Pivot to keep gondolas upright */
.ferris-counter-rotator {
  position: relative;
  transform-origin: top left;
  will-change: transform;
}

.ferris-gondola-card-wrapper {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  transform: translateX(-50%);
}

/* Pendulum Damping Pivot */
.ferris-pendulum {
  position: relative;
  transform-origin: top center;
  will-change: transform;
}

.ferris-pendulum-pin {
  display: block;
  margin: 0 auto;
  width: 2px;
  height: 8px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.4);
}

/* Gondola Card Button */
.ferris-gondola-btn {
  position: relative;
  display: block;
  width: 100%;
  padding: 4px;
  background: #15151c;
  border: 1px solid var(--border-medium);
  border-radius: 6px;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
  transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}

.ferris-gondola-anchor.is-active .ferris-gondola-btn {
  transform: scale(1.15);
  border-color: var(--accent-gold);
  box-shadow: 0 0 25px -4px var(--accent-gold-glow), 0 12px 30px rgba(0, 0, 0, 0.9);
}

.ferris-gondola-img-box {
  position: relative;
  display: block;
  aspect-ratio: 1.4;
  overflow: hidden;
  border-radius: 3px;
  background: #08080a;
}

.ferris-gondola-img-box img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.ferris-gondola-index {
  display: block;
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-align: center;
  line-height: 1;
  color: var(--text-tertiary);
  font-weight: 500;
}

.ferris-gondola-anchor.is-active .ferris-gondola-index {
  color: var(--accent-gold);
  font-weight: 700;
}

/* Central Hub */
.ferris-center-hub {
  pointer-events: none;
  position: absolute;
  left: 50%;
  top: 46%;
  transform: translate(-50%, -50%);
  width: 18%;
  height: 18%;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 2px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.8), 0 0 15px rgba(229, 169, 60, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 15;
}

.ferris-hub-count {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1;
}

.ferris-hub-label {
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent-gold);
  line-height: 1;
}

.ferris-drag-hint {
  margin-top: var(--space-xs);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
  text-align: center;
}

/* RIGHT COLUMN: DETAIL STUDY VIEWER */
.ferris-detail-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: rgba(17, 17, 22, 0.85);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: clamp(1.25rem, 2.5vw, 2rem);
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* Large Study Image Viewer */
.ferris-active-photo-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  border-radius: var(--radius-xs, 4px);
  background: #08080a;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
  margin-bottom: var(--space-md);
  cursor: zoom-in;
}

.ferris-active-photo-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.35s ease, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.ferris-active-photo-frame:hover img {
  transform: scale(1.03);
}

/* Meta Pill Header */
.ferris-study-meta-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs);
  margin-bottom: 0.65rem;
}

.ferris-study-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.65rem;
  background: var(--accent-gold-dim);
  border: 1px solid var(--border-accent);
  color: var(--accent-gold);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: 4px;
}

.ferris-study-counter {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
}

/* Study Title and Description */
.ferris-study-title {
  font-family: var(--font-sans);
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 0.35rem;
}

.ferris-study-discipline {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}

.ferris-study-narrative {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  border-left: 2px solid var(--border-accent);
  padding-left: 0.85rem;
  font-style: italic;
  margin-bottom: var(--space-lg);
}

/* Navigation Controls Bar */
.ferris-controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

.ferris-arrow-btn-group {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.ferris-nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--duration-fast) ease;
}

.ferris-nav-btn:hover {
  background: var(--accent-gold);
  color: var(--text-inverse);
  border-color: var(--accent-gold);
  box-shadow: 0 0 15px -2px var(--accent-gold-glow);
}

.ferris-autoplay-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.85rem;
  border-radius: 4px;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--duration-fast) ease;
}

.ferris-autoplay-toggle:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.ferris-autoplay-toggle.is-playing {
  background: rgba(52, 211, 153, 0.1);
  border-color: rgba(52, 211, 153, 0.35);
  color: var(--signal-green);
}