.landing {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.landing-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0a0e27 0%, #0d1333 25%, #111940 50%, #0a0e27 100%);
  z-index: 0;
}

.landing-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 30%, rgba(0, 207, 192, 0.08) 0%, transparent 70%);
  z-index: 1;
}

.landing-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 700px;
  padding: 40px;
}

.landing-badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(0, 207, 192, 0.1);
  border: 1px solid rgba(0, 207, 192, 0.3);
  border-radius: 100px;
  color: #00cfc0;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.landing-title {
  margin: 0 0 16px;
  line-height: 1;
}

.title-line {
  display: block;
  font-size: 3.5rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 8px;
}

.title-accent {
  display: block;
  font-size: 5.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, #00cfc0 0%, #00e5d6 50%, #00f0db 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 12px;
  margin-top: 8px;
}

.landing-subtitle {
  color: rgba(255, 255, 255, 0.5);
  font-size: 1rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin: 0 0 32px;
}

.landing-divider {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, transparent, #00cfc0, transparent);
  margin: 0 auto 32px;
}

.landing-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-bottom: 40px;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: #00cfc0;
}

.stat-label {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.4);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.landing-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}

.btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 32px;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-primary {
  background: linear-gradient(135deg, #00cfc0, #00e5d6);
  color: #0a0e27;
  box-shadow: 0 8px 32px rgba(0, 207, 192, 0.3);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 207, 192, 0.5);
}

.btn-vr {
  background: linear-gradient(135deg, rgba(0, 207, 192, 0.15), rgba(0, 229, 214, 0.05));
  color: #00cfc0;
  border: 1.5px solid rgba(0, 207, 192, 0.4);
}

.btn-vr:hover:not(:disabled) {
  background: linear-gradient(135deg, rgba(0, 207, 192, 0.25), rgba(0, 229, 214, 0.15));
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0, 207, 192, 0.2);
}

.btn.loading {
  opacity: 0.6;
  pointer-events: none;
}

.btn-icon {
  font-size: 1.2rem;
}

.landing-features {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-bottom: 48px;
}

.feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  backdrop-filter: blur(8px);
}

.feature-icon {
  font-size: 1.5rem;
}

.feature-text {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.feature-text strong {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.8rem;
}

.feature-text span {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.7rem;
}

.landing-footer {
  color: rgba(255, 255, 255, 0.25);
  font-size: 0.75rem;
  letter-spacing: 1px;
}

.separator {
  margin: 0 8px;
}

/* Mobile */
@media (max-width: 768px) {
  .landing-content {
    padding: 24px;
  }

  .title-line {
    font-size: 2.2rem;
    letter-spacing: 4px;
  }

  .title-accent {
    font-size: 3.5rem;
    letter-spacing: 6px;
  }

  .landing-stats {
    gap: 24px;
  }

  .landing-actions {
    flex-direction: column;
    align-items: center;
  }

  .landing-features {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
}
.hud-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: linear-gradient(180deg, rgba(10, 14, 39, 0.9), rgba(10, 14, 39, 0.4));
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 207, 192, 0.2);
  padding: 20px 24px;
}

.hud-content {
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 32px;
}

.back-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, rgba(0, 207, 192, 0.15), rgba(0, 229, 214, 0.05));
  border: 1.5px solid rgba(0, 207, 192, 0.3);
  border-radius: 12px;
  color: #00cfc0;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 1.4rem;
  font-weight: 700;
  flex-shrink: 0;
}

.back-btn:hover {
  background: linear-gradient(135deg, rgba(0, 207, 192, 0.25), rgba(0, 229, 214, 0.15));
  border-color: #00e5d6;
  color: #00e5d6;
  transform: scale(1.1);
  box-shadow: 0 8px 24px rgba(0, 207, 192, 0.2);
}

.back-icon {
  display: block;
}

.title-section {
  flex: 1;
}

.title-badge {
  font-size: 1.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, #00cfc0 0%, #00e5d6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1.5px;
  margin: 0;
  text-transform: uppercase;
}

.title-subtitle {
  font-size: 0.75rem;
  color: rgba(0, 207, 192, 0.5);
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-top: 6px;
}

.controls-panel {
  display: flex;
  gap: 24px;
  padding: 0 16px;
  border-left: 2px solid rgba(0, 207, 192, 0.2);
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.control-label {
  font-size: 0.7rem;
  color: rgba(0, 207, 192, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 700;
}

.control-keys {
  display: flex;
  gap: 4px;
}

kbd {
  background: linear-gradient(135deg, rgba(0, 207, 192, 0.15), rgba(0, 229, 214, 0.05));
  border: 1px solid rgba(0, 207, 192, 0.3);
  color: #00cfc0;
  padding: 4px 8px;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-weight: 700;
  font-size: 0.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
}

.control-desc {
  font-size: 0.8rem;
  color: rgba(0, 207, 192, 0.7);
  font-weight: 500;
}

@media (max-width: 1024px) {
  .hud-content {
    gap: 20px;
  }

  .title-badge {
    font-size: 1.3rem;
  }

  .controls-panel {
    gap: 16px;
    border-left-width: 1px;
  }
}

@media (max-width: 768px) {
  .hud-container {
    padding: 12px 16px;
  }

  .hud-content {
    gap: 12px;
  }

  .title-badge {
    font-size: 1.1rem;
    letter-spacing: 1px;
  }

  .controls-panel {
    gap: 12px;
    padding: 0 12px;
    font-size: 0.7rem;
  }

  .back-btn {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }

  kbd {
    min-width: 24px;
    height: 24px;
    font-size: 0.65rem;
    padding: 2px 6px;
  }
}

@media (max-width: 480px) {
  .controls-panel {
    display: none;
  }

  .hud-content {
    gap: 12px;
  }
}
.viewer-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, #0a0e27 0%, #0f1b3c 50%, #0a0e27 100%);
  overflow: hidden;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.canvas-3d {
  flex: 1;
  width: 100%;
  height: 100%;
}

/* Info panel styling */
.info-panel-overlay {
  background: rgba(0, 0, 0, 0.6) !important;
  backdrop-filter: blur(5px) !important;
}

.info-panel {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(20, 35, 60, 0.95)) !important;
  border: 1px solid rgba(0, 207, 192, 0.3) !important;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(0, 207, 192, 0.2) !important;
}

.info-panel h2 {
  background: linear-gradient(135deg, #00cfc0 0%, #00e5d6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px !important;
}

.info-panel p {
  color: #cbd5e1 !important;
  line-height: 1.6;
  font-size: 0.95rem;
}

.info-btn {
  background: linear-gradient(135deg, rgba(0, 207, 192, 0.2), rgba(0, 229, 214, 0.1)) !important;
  border: 1px solid rgba(0, 207, 192, 0.4) !important;
  color: #00cfc0 !important;
  font-weight: 600;
  transition: all 0.3s ease !important;
}

.info-btn:hover {
  background: linear-gradient(135deg, rgba(0, 207, 192, 0.3), rgba(0, 229, 214, 0.2)) !important;
  border-color: #00e5d6 !important;
  color: #00e5d6 !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 207, 192, 0.2);
}

.vr-enter-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  background: linear-gradient(135deg, #00cfc0, #00e5d6);
  color: #0a0e27;
  border: none;
  padding: 16px 32px;
  border-radius: 14px;
  font-weight: 800;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 8px 32px rgba(0, 207, 192, 0.4);
  letter-spacing: 1px;
}

.vr-enter-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 207, 192, 0.6);
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body, #root, #app {
  width: 100%;
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
}

body {
  background: #0a0e27;
  color: #e0e0e0;
}

/* Prevent scrollbar flashing */
#root {
  overflow: hidden;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body, #root {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

body {
  background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 100%);
  color: #e0e0e0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  touch-action: manipulation;
  overflow: hidden;
  position: fixed;
}

#root {
  width: 100vw;
  height: 100vh;
}

/* Prevent scroll on Quest */
body, html {
  position: fixed;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
}

button {
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

/* Prevent pinch zoom */
input, textarea, select {
  font-size: 16px;
}