/* ==========================================================================
   BMW REMIX - Design System CSS
   ========================================================================== */

/* ==========================================================================
   CSS VARIABLES
   ========================================================================== */

:root {
  /* BMW Brand Colors */
  --bmw-blue: #1C69D4;
  --bmw-blue-hover: #1558B5;
  --bmw-blue-active: #0E4A9E;
  --bmw-white: #FFFFFF;
  --bmw-black: #000000;
  --bmw-gray-100: #F7F7F7;
  --bmw-gray-200: #E5E5E5;
  --bmw-gray-300: #D1D1D1;
  --bmw-gray-400: #A3A3A3;
  --bmw-gray-500: #6B6B6B;
  --bmw-gray-600: #525252;
  
  /* Background Colors */
  --bg-cream: #F5F0E8;
  --bg-cream-light: #FAF8F5;
  --bg-warm-gray: #E8E4DF;
  --bg-blur: rgba(255, 255, 255, 0.7);
  --bg-blur-heavy: rgba(255, 255, 255, 0.85);
  --bg-gradient: linear-gradient(180deg, #F5F0E8 0%, #FFFFFF 50%, #F5F0E8 100%);
  --bg-gradient-soft: linear-gradient(180deg, #FAF8F5 0%, #F5F0E8 100%);
  
  /* Typography */
  --font-display: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, sans-serif;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  
  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  
  /* Spacing Scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-subtle: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-large: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-button: 0 4px 12px rgba(28, 105, 212, 0.3);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  --transition-spring: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
  
  /* Z-Index Scale */
  --z-base: 0;
  --z-above: 10;
  --z-modal: 100;
  --z-overlay: 200;
  --z-max: 9999;
  
  /* Safe Areas (iOS) */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  
  /* ==========================================================================
     iOS 26 LIQUID GLASS DESIGN SYSTEM
     ========================================================================== */
  
  /* Glass Blur Levels */
  --glass-blur-subtle: 8px;
  --glass-blur-medium: 16px;
  --glass-blur-heavy: 24px;
  --glass-blur-intense: 40px;
  
  /* Glass Background Colors */
  --glass-bg-light: rgba(255, 255, 255, 0.12);
  --glass-bg-medium: rgba(255, 255, 255, 0.18);
  --glass-bg-heavy: rgba(255, 255, 255, 0.25);
  --glass-bg-solid: rgba(255, 255, 255, 0.4);
  --glass-bg-dark: rgba(0, 0, 0, 0.15);
  --glass-bg-dark-medium: rgba(0, 0, 0, 0.25);
  --glass-bg-tinted: rgba(28, 105, 212, 0.15);
  
  /* Glass Border Colors */
  --glass-border-subtle: rgba(255, 255, 255, 0.15);
  --glass-border-medium: rgba(255, 255, 255, 0.25);
  --glass-border-strong: rgba(255, 255, 255, 0.4);
  --glass-border-dark: rgba(0, 0, 0, 0.08);
  
  /* Glass Shadows */
  --glass-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  --glass-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  --glass-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  --glass-shadow-glow: 0 0 20px rgba(28, 105, 212, 0.3);
  --glass-shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);
  
  /* Glass Highlight Gradients */
  --glass-highlight: linear-gradient(135deg, rgba(255, 255, 255, 0.4) 0%, rgba(255, 255, 255, 0) 50%);
  --glass-highlight-edge: linear-gradient(180deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0) 100%);
  --glass-shimmer: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.3) 50%, rgba(255, 255, 255, 0) 100%);
  
  /* Glass Transitions */
  --glass-transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --glass-transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Video Vignette System */
  --vignette-intensity: 0.5;
  --vignette-size: 70%;
  --vignette-center: 50% 40%;
}

/* ==========================================================================
   CSS RESET
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
  /* Prevent iOS bounce */
  overflow: hidden;
  height: 100%;
  /* Use dynamic viewport height for iOS Safari - fills to edges */
  height: 100dvh;
  background: #fff;
}

body {
  /* Fallback, then modern units */
  min-height: 100vh;
  min-height: 100dvh;
  height: 100%;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--bmw-black);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
  overscroll-behavior: none;
  overscroll-behavior-y: none;
  touch-action: manipulation;
  /* Prevent pull-to-refresh and ensure full viewport */
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
}

/* Standalone PWA mode adjustments */
@media (display-mode: standalone) {
  html, body {
    /* In standalone mode, use full dynamic height */
    height: 100dvh;
    min-height: 100dvh;
  }
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--font-bold);
  line-height: 1.2;
  overflow-wrap: break-word;
}

p {
  overflow-wrap: break-word;
}

ul, ol {
  list-style: none;
}

/* ==========================================================================
   BASE TYPOGRAPHY
   ========================================================================== */

h1 {
  font-size: var(--text-4xl);
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--text-3xl);
  letter-spacing: -0.01em;
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

/* ==========================================================================
   LIQUID GLASS UTILITY CLASSES
   ========================================================================== */

/* Base Glass Panel - subtle frosted glass effect */
.glass-panel {
  background: var(--glass-bg-medium);
  backdrop-filter: blur(var(--glass-blur-medium)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--glass-blur-medium)) saturate(180%);
  border: 1px solid var(--glass-border-medium);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow-md);
}

/* Glass Panel Variants */
.glass-panel--light {
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--glass-blur-subtle)) saturate(150%);
  -webkit-backdrop-filter: blur(var(--glass-blur-subtle)) saturate(150%);
  border-color: var(--glass-border-subtle);
  box-shadow: var(--glass-shadow-sm);
}

.glass-panel--heavy {
  background: var(--glass-bg-heavy);
  backdrop-filter: blur(var(--glass-blur-heavy)) saturate(200%);
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy)) saturate(200%);
  border-color: var(--glass-border-strong);
  box-shadow: var(--glass-shadow-lg);
}

.glass-panel--dark {
  background: var(--glass-bg-dark-medium);
  backdrop-filter: blur(var(--glass-blur-medium)) saturate(120%);
  -webkit-backdrop-filter: blur(var(--glass-blur-medium)) saturate(120%);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: var(--glass-shadow-md);
}

/* Glass Button - Primary action glass button */
.glass-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  min-height: 52px;
  background: linear-gradient(135deg, rgba(28, 105, 212, 0.9) 0%, rgba(28, 105, 212, 0.75) 100%);
  backdrop-filter: blur(var(--glass-blur-subtle)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--glass-blur-subtle)) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-full);
  color: var(--bmw-white);
  font-family: var(--font-display);
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
  letter-spacing: 0.02em;
  cursor: pointer;
  overflow: hidden;
  transition: transform var(--glass-transition), 
              box-shadow var(--glass-transition),
              background var(--glass-transition);
  box-shadow: var(--glass-shadow-md), var(--glass-shadow-glow);
}

.glass-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: var(--glass-highlight-edge);
  border-radius: var(--radius-full) var(--radius-full) 0 0;
  pointer-events: none;
}

.glass-button:active {
  transform: scale(0.96);
  box-shadow: var(--glass-shadow-sm), 0 0 10px rgba(28, 105, 212, 0.4);
}

/* Glass Button Secondary */
.glass-button--secondary {
  background: var(--glass-bg-medium);
  color: var(--bmw-black);
  box-shadow: var(--glass-shadow-sm);
  border-color: var(--glass-border-medium);
}

.glass-button--secondary:active {
  background: var(--glass-bg-heavy);
}

/* Glass Pill - Selection pills */
.glass-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  min-height: 44px;
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--glass-blur-subtle)) saturate(150%);
  -webkit-backdrop-filter: blur(var(--glass-blur-subtle)) saturate(150%);
  border: 1px solid var(--glass-border-subtle);
  border-radius: var(--radius-full);
  color: var(--bmw-gray-600);
  font-family: var(--font-body);
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--glass-transition);
  box-shadow: var(--glass-shadow-sm);
}

.glass-pill:active {
  transform: scale(0.96);
}

.glass-pill.active,
.glass-pill--active {
  background: var(--glass-bg-heavy);
  border-color: var(--glass-border-strong);
  color: var(--bmw-black);
  font-weight: var(--font-semibold);
  box-shadow: var(--glass-shadow-md), inset 0 0 0 1px rgba(255, 255, 255, 0.3);
}

/* Glass Input - Text inputs and textareas */
.glass-input {
  width: 100%;
  padding: 10px 14px;
  min-height: 42px;
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--glass-blur-subtle)) saturate(150%);
  -webkit-backdrop-filter: blur(var(--glass-blur-subtle)) saturate(150%);
  border: 1px solid var(--glass-border-subtle);
  border-radius: var(--radius-md);
  color: var(--bmw-black);
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: all var(--glass-transition);
  box-shadow: var(--glass-shadow-inner);
}

.glass-input::placeholder {
  color: var(--bmw-gray-400);
}

.glass-input:focus {
  outline: none;
  background: var(--glass-bg-medium);
  border-color: var(--glass-border-strong);
  box-shadow: var(--glass-shadow-inner), 0 0 0 3px rgba(28, 105, 212, 0.15);
}

.glass-input:disabled {
  opacity: 0.7;
  cursor: default;
}

/* Glass Ring - Viewfinder and circular elements */
.glass-ring {
  position: relative;
  border-radius: 50%;
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--glass-blur-subtle));
  -webkit-backdrop-filter: blur(var(--glass-blur-subtle));
  border: 3px solid transparent;
  background-image: linear-gradient(var(--glass-bg-light), var(--glass-bg-light)),
                    linear-gradient(135deg, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0.1) 50%, rgba(255, 255, 255, 0.3) 100%);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  box-shadow: var(--glass-shadow-lg),
              inset 0 0 20px rgba(255, 255, 255, 0.1);
}

/* Glass Overlay - For content over media */
.glass-overlay {
  background: linear-gradient(180deg, 
    transparent 0%, 
    rgba(0, 0, 0, 0.02) 30%,
    rgba(0, 0, 0, 0.4) 70%,
    rgba(0, 0, 0, 0.7) 100%
  );
}

/* Glass Shimmer Animation */
@keyframes glass-shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.glass-shimmer {
  position: relative;
  overflow: hidden;
}

.glass-shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(255, 255, 255, 0.4) 50%, 
    transparent 100%
  );
  background-size: 200% 100%;
  animation: glass-shimmer 2s ease-in-out infinite;
  pointer-events: none;
}

/* Glass Glow Effect */
.glass-glow {
  box-shadow: var(--glass-shadow-md), var(--glass-shadow-glow);
}

.glass-glow--subtle {
  box-shadow: var(--glass-shadow-sm), 0 0 12px rgba(28, 105, 212, 0.2);
}

/* ==========================================================================
   GPU ACCELERATION & PERFORMANCE
   ========================================================================== */

/* Force GPU layer creation for animated elements */
.gpu-accelerate {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

/* Will-change hints for actively animating elements */
.will-animate {
  will-change: transform, opacity;
}

/* Remove will-change after animation completes (applied via JS) */
.animation-complete {
  will-change: auto;
}

/* Force hardware acceleration on common animated elements */
.character-media,
.vehicle-media,
.clone-media,
.confetti,
.particle {
  transform: translateZ(0);
  backface-visibility: hidden;
}

/* Animated cards and buttons use GPU-friendly transforms */
.btn-primary,
.btn-secondary,
.character-pill,
.vehicle-pill,
.share-btn {
  transform: translateZ(0);
}

/* ==========================================================================
   APP CONTAINER
   ========================================================================== */

.app-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  /* Prevent pull-to-refresh and bounce */
  overscroll-behavior: none;
  touch-action: pan-x pan-y;
}

/* ==========================================================================
   SCREEN CONTAINER
   ========================================================================== */

.screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  /* Dynamic viewport for iOS Safari - fills to edges */
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #fff;
  
  /* Simple fade transition */
  opacity: 0;
  pointer-events: none;
  transform: translateZ(0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  
  /* Fast, simple fade */
  transition: opacity 200ms ease-out;
  z-index: 1;
}

.screen.active {
  opacity: 1;
  pointer-events: auto;
  z-index: 2;
}

/* Slide transitions for cross-step navigation */
.screen.slide-out-left {
  opacity: 0;
  transform: translateX(-15%);
  transition: opacity 250ms ease-out, transform 250ms ease-out;
}

.screen.slide-out-right {
  opacity: 0;
  transform: translateX(15%);
  transition: opacity 250ms ease-out, transform 250ms ease-out;
}

.screen.slide-in-left {
  transform: translateX(-15%);
  opacity: 0;
}

.screen.slide-in-right {
  transform: translateX(15%);
  opacity: 0;
}

.screen.slide-in-left.active,
.screen.slide-in-right.active {
  transform: translateX(0);
  opacity: 1;
  transition: opacity 250ms ease-out, transform 250ms ease-out;
}

/* Edge shadow for depth during forward slide transitions */
.screen.slide-in-right::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 25px;
  height: 100%;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.12) 0%, rgba(0, 0, 0, 0) 100%);
  opacity: 1;
  pointer-events: none;
  z-index: 1000;
  transition: opacity 250ms ease-out;
}

.screen.slide-in-right.active::before {
  opacity: 0;
}

/* Edge shadow for backward navigation (right edge) */
.screen.slide-in-left::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 25px;
  height: 100%;
  background: linear-gradient(270deg, rgba(0, 0, 0, 0.12) 0%, rgba(0, 0, 0, 0) 100%);
  opacity: 1;
  pointer-events: none;
  z-index: 1000;
  transition: opacity 250ms ease-out;
}

.screen.slide-in-left.active::after {
  opacity: 0;
}

/* Crossfade transition for same-type screens (e.g., face-capture-*) */
.screen.crossfade-out {
  opacity: 0;
  transition: opacity 200ms ease-out;
}

.screen.crossfade-in {
  opacity: 0;
}

.screen.crossfade-in.active {
  opacity: 1;
  transition: opacity 200ms ease-out;
}

/* ========================================================================
   PARALLAX: Background moves at 0.5x speed for depth
   ======================================================================== */

/* Background layer parallax - moves slower */
.screen.slide-out-left > .screen-bg {
  transform: translateX(-7.5%);
  transition: transform 250ms ease-out;
}

.screen.slide-out-right > .screen-bg {
  transform: translateX(7.5%);
  transition: transform 250ms ease-out;
}

.screen.slide-in-left > .screen-bg {
  transform: translateX(-7.5%);
}

.screen.slide-in-right > .screen-bg {
  transform: translateX(7.5%);
}

.screen.slide-in-left.active > .screen-bg,
.screen.slide-in-right.active > .screen-bg {
  transform: translateX(0);
  transition: transform 250ms ease-out;
}

/* Content layer moves at full speed (handled by parent screen transform) */
.screen > .screen-content {
  transform: translateZ(0);
}

.screen-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-gradient);
  z-index: -1;
}

.screen-bg.blurred-bg {
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
}

/* Live Camera Background - Full-screen camera feed */
.screen-bg.camera-bg {
  background: var(--bmw-gray-100);
  overflow: hidden;
}

.camera-bg-feed {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
  opacity: 0;
  transition: opacity 0.4s ease-out;
}

.camera-bg-feed.active {
  opacity: 1;
}

.camera-bg-vignette {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    ellipse 80% 80% at center,
    transparent 30%,
    rgba(0, 0, 0, 0.3) 70%,
    rgba(0, 0, 0, 0.6) 100%
  );
  pointer-events: none;
  z-index: 1;
}

/* Glass overlay for capture screens */
.camera-bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.4) 0%,
    transparent 20%,
    transparent 70%,
    rgba(0, 0, 0, 0.5) 100%
  );
  pointer-events: none;
  z-index: 2;
}

/* ==========================================================================
   UNIFIED VIDEO BACKGROUND COMPONENT
   Full-bleed video backgrounds with soft edge blending
   ========================================================================== */

/* Base video background - fills entire viewport */
.video-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0;
  transition: opacity 0.5s ease-out;
}

.video-bg.loaded {
  opacity: 1;
}

/* Video background container */
.video-bg-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  background: var(--bmw-gray-100);
  z-index: 0;
}

/* Soft edge blending using CSS masks */
.video-bg-blended {
  -webkit-mask-image: linear-gradient(
    to bottom,
    black 0%,
    black 75%,
    transparent 100%
  );
  mask-image: linear-gradient(
    to bottom,
    black 0%,
    black 75%,
    transparent 100%
  );
}

/* Radial vignette for atmospheric depth */
.video-bg-vignette {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    ellipse 70% 60% at 50% 40%,
    transparent 0%,
    transparent 40%,
    rgba(255, 255, 255, 0.15) 70%,
    rgba(255, 255, 255, 0.3) 100%
  );
  pointer-events: none;
  z-index: 1;
}

/* Top gradient for header/status bar blending */
.video-bg-gradient-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.6) 0%,
    rgba(255, 255, 255, 0.3) 50%,
    transparent 100%
  );
  pointer-events: none;
  z-index: 2;
}

/* Bottom gradient for footer/CTA blending */
.video-bg-gradient-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(
    to top,
    rgba(255, 255, 255, 0.8) 0%,
    rgba(255, 255, 255, 0.4) 50%,
    transparent 100%
  );
  pointer-events: none;
  z-index: 2;
}

/* Combined soft edges - use mask for feathered borders */
.video-soft-edges {
  -webkit-mask-image: 
    linear-gradient(to bottom, transparent 0%, black 5%, black 90%, transparent 100%),
    linear-gradient(to right, transparent 0%, black 3%, black 97%, transparent 100%);
  -webkit-mask-composite: destination-in;
  mask-image: 
    linear-gradient(to bottom, transparent 0%, black 5%, black 90%, transparent 100%),
    linear-gradient(to right, transparent 0%, black 3%, black 97%, transparent 100%);
  mask-composite: intersect;
}

.screen-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 0 var(--space-5);
  padding-top: calc(var(--safe-top) + var(--space-5));
  padding-bottom: calc(var(--safe-bottom) + var(--space-5));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

/* Screen layout sections */
.screen-header {
  flex-shrink: 0;
  margin-bottom: var(--space-4);
}

.screen-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 0;
}

.screen-footer {
  flex-shrink: 0;
  margin-top: auto;
  padding-top: var(--space-4);
}

/* ==========================================================================
   SCREEN TITLE & SUBTITLE
   ========================================================================== */

.screen-title {
  font-family: var(--font-display);
  /* Fluid typography: scales from 24px on small screens to 32px on larger */
  font-size: clamp(1.5rem, 6vw, 2.25rem);
  font-weight: var(--font-bold);
  color: var(--bmw-black);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: var(--space-2);
}

.screen-subtitle {
  font-family: var(--font-body);
  /* Fluid: 14px to 16px */
  font-size: clamp(0.875rem, 3.5vw, 1rem);
  font-weight: var(--font-normal);
  color: var(--bmw-gray-500);
  line-height: 1.5;
  max-width: 32ch;
}

/* ==========================================================================
   BUTTONS - PRIMARY (Liquid Glass Style)
   ========================================================================== */

.btn-primary {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  min-height: 44px;
  /* Glass effect with BMW blue tint */
  background: linear-gradient(135deg, 
    rgba(28, 105, 212, 0.95) 0%, 
    rgba(28, 105, 212, 0.85) 100%
  );
  backdrop-filter: blur(var(--glass-blur-subtle)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--glass-blur-subtle)) saturate(180%);
  color: var(--bmw-white);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  letter-spacing: 0.01em;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: 
    transform 150ms cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 150ms ease-out,
    background 150ms ease-out;
  box-shadow: 
    var(--glass-shadow-md),
    0 0 20px rgba(28, 105, 212, 0.3);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  touch-action: manipulation;
  overflow: hidden;
}

/* Glass highlight on top edge */
.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.25) 0%, transparent 100%);
  border-radius: var(--radius-full) var(--radius-full) 0 0;
  pointer-events: none;
}

/* Desktop hover */
@media (hover: hover) {
  .btn-primary:hover {
    background: linear-gradient(135deg, 
      rgba(28, 105, 212, 1) 0%, 
      rgba(21, 88, 181, 0.95) 100%
    );
    transform: scale(1.02);
    box-shadow: 
      var(--glass-shadow-lg),
      0 0 30px rgba(28, 105, 212, 0.4);
  }
}

.btn-primary:active {
  transform: scale(0.96);
  box-shadow: 
    var(--glass-shadow-sm),
    0 0 12px rgba(28, 105, 212, 0.4);
  transition-duration: 100ms;
}

.btn-primary:disabled {
  background: var(--glass-bg-medium);
  border-color: var(--glass-border-subtle);
  color: var(--bmw-gray-400);
  box-shadow: var(--glass-shadow-sm);
  cursor: not-allowed;
  transform: none;
}

.btn-primary.btn-full {
  width: 100%;
}

/* Ripple effect */
.btn-primary .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: scale(0);
  animation: ripple 400ms ease-out forwards;
  pointer-events: none;
}

@keyframes ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ==========================================================================
   BUTTONS - SECONDARY (Glass Pills)
   ========================================================================== */

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  min-height: 44px;
  background: var(--glass-bg-medium);
  backdrop-filter: blur(var(--glass-blur-subtle)) saturate(150%);
  -webkit-backdrop-filter: blur(var(--glass-blur-subtle)) saturate(150%);
  color: var(--bmw-black);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  border: 1px solid var(--glass-border-medium);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: 
    transform 150ms cubic-bezier(0.34, 1.56, 0.64, 1),
    background 150ms ease-out,
    box-shadow 150ms ease-out;
  box-shadow: var(--glass-shadow-sm);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  white-space: nowrap;
  touch-action: manipulation;
}

@media (hover: hover) {
  .btn-secondary:hover {
    background: var(--glass-bg-heavy);
    transform: scale(1.02);
    box-shadow: var(--glass-shadow-md);
  }
}

.btn-secondary:active {
  transform: scale(0.96);
}

.btn-secondary.btn-compact {
  min-height: 36px;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
}
  transition-duration: 100ms;
}

.btn-secondary.active {
  background: var(--glass-bg-heavy);
  border-color: var(--bmw-black);
  font-weight: var(--font-semibold);
  animation: pillSelect 200ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes pillSelect {
  0% { transform: scale(0.95); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

.btn-secondary:disabled {
  color: var(--bmw-gray-400);
  border-color: var(--bmw-gray-200);
  cursor: not-allowed;
  transform: none;
}

/* ==========================================================================
   CARD - BLUR (Frosted Glass)
   ========================================================================== */

.card-blur {
  background: var(--bg-blur);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow-subtle);
}

.card-blur-heavy {
  background: var(--bg-blur-heavy);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: var(--shadow-medium);
}

/* ==========================================================================
   INPUT FIELD
   ========================================================================== */

.input-field {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  min-height: 52px;
  background: var(--bmw-white);
  color: var(--bmw-black);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  border: 1px solid var(--bmw-gray-200);
  border-radius: var(--radius-full);
  outline: none;
  transition: 
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

.input-field::placeholder {
  color: var(--bmw-gray-400);
}

.input-field:focus {
  border-color: var(--bmw-blue);
  box-shadow: 0 0 0 3px rgba(28, 105, 212, 0.15);
}

.input-field:disabled {
  background: var(--bmw-gray-100);
  color: var(--bmw-gray-400);
  cursor: not-allowed;
}

/* Large input variant for scene description */
.input-field.input-large {
  padding: var(--space-4) var(--space-5);
  min-height: 64px;
  font-size: var(--text-lg);
  border-radius: var(--radius-lg);
}

/* Textarea variant */
textarea.input-field {
  resize: none;
  border-radius: var(--radius-lg);
  min-height: 120px;
  line-height: 1.6;
}

/* ==========================================================================
   PAGINATION DOTS
   ========================================================================== */

.pagination-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.pagination-dots .dot {
  width: 8px;
  height: 8px;
  background: var(--bmw-gray-300);
  border-radius: var(--radius-full);
  transition: 
    background-color 200ms ease,
    transform 200ms cubic-bezier(0.34, 1.56, 0.64, 1),
    width 200ms ease;
  cursor: default;
}

.pagination-dots .dot.active {
  background: var(--bmw-black);
  transform: scale(1.25);
  animation: dotPop 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.pagination-dots .dot.completed {
  background: var(--bmw-gray-500);
}

/* Pill-style variant (active dot extends to pill) */
.pagination-dots.pill-style .dot.active {
  width: 24px;
  transform: scale(1);
  background: var(--bmw-blue);
}

/* Entry animation for dots */
.pagination-dots.animate-in .dot {
  opacity: 0;
  transform: scale(0.5);
  animation: dotEnter 300ms ease forwards;
}

.pagination-dots.animate-in .dot:nth-child(1) { animation-delay: 0ms; }
.pagination-dots.animate-in .dot:nth-child(2) { animation-delay: 30ms; }
.pagination-dots.animate-in .dot:nth-child(3) { animation-delay: 60ms; }
.pagination-dots.animate-in .dot:nth-child(4) { animation-delay: 90ms; }
.pagination-dots.animate-in .dot:nth-child(5) { animation-delay: 120ms; }
.pagination-dots.animate-in .dot:nth-child(6) { animation-delay: 150ms; }
.pagination-dots.animate-in .dot:nth-child(7) { animation-delay: 180ms; }
.pagination-dots.animate-in .dot:nth-child(8) { animation-delay: 210ms; }
.pagination-dots.animate-in .dot:nth-child(9) { animation-delay: 240ms; }

@keyframes dotPop {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.4);
  }
  100% {
    transform: scale(1.25);
  }
}

@keyframes dotEnter {
  0% {
    opacity: 0;
    transform: scale(0.5);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* ==========================================================================
   AVATAR CIRCLE (Face Capture Viewfinder)
   ========================================================================== */

.avatar-circle {
  position: relative;
  width: 200px;
  height: 200px;
  border-radius: var(--radius-full);
  border: 3px solid var(--bmw-white);
  box-shadow: var(--shadow-medium);
  overflow: hidden;
  background: var(--bmw-gray-100);
}

.avatar-circle img,
.avatar-circle video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-circle.avatar-large {
  width: 280px;
  height: 280px;
}

.avatar-circle.avatar-small {
  width: 120px;
  height: 120px;
}

/* Viewfinder ring animation */
.avatar-circle.viewfinder {
  border: 4px solid rgba(255, 255, 255, 0.8);
  box-shadow: 
    0 0 0 8px rgba(255, 255, 255, 0.3),
    var(--shadow-large);
}

.avatar-circle.viewfinder::after {
  content: '';
  position: absolute;
  top: -8px;
  left: -8px;
  right: -8px;
  bottom: -8px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-full);
  pointer-events: none;
}

/* ==========================================================================
   ICON CONTAINERS
   ========================================================================== */

.icon-circle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: var(--bg-blur-heavy);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-subtle);
}

.icon-circle svg {
  width: 32px;
  height: 32px;
  color: var(--bmw-gray-500);
}

.icon-circle.icon-large {
  width: 80px;
  height: 80px;
}

.icon-circle.icon-large svg {
  width: 40px;
  height: 40px;
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

/* Flex utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-center { align-items: center; justify-content: center; }
.flex-between { justify-content: space-between; }
.flex-1 { flex: 1; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

/* Text utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-muted { color: var(--bmw-gray-500); }
.text-sm { font-size: var(--text-sm); }
.text-lg { font-size: var(--text-lg); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

/* Spacing utilities */
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.py-3 { padding-top: var(--space-3); padding-bottom: var(--space-3); }

/* Width utilities */
.w-full { width: 100%; }
.max-w-sm { max-width: 320px; }
.max-w-md { max-width: 400px; }

/* Visibility */
.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   LOADING STATES
   ========================================================================== */

.loading {
  position: relative;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

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

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

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

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.animate-fade-in {
  animation: fadeIn var(--transition-slow) ease forwards;
}

.animate-fade-in-up {
  animation: fadeInUp var(--transition-slow) ease forwards;
}

.animate-scale-in {
  animation: scaleIn var(--transition-slow) ease forwards;
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* Title Pop Animation - for headlines with slight overshoot */
.title-pop {
  opacity: 0;
  transform: scale(0.95);
  animation: titlePop 400ms cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes titlePop {
  0% {
    opacity: 0;
    transform: scale(0.95);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* Text Stagger Animation - fade in characters sequentially */
.stagger-text {
  display: inline-block;
}

.stagger-text > span {
  opacity: 0;
  display: inline-block;
  animation: staggerFadeIn 0.3s ease forwards;
}

.stagger-text > span:nth-child(1) { animation-delay: 0.02s; }
.stagger-text > span:nth-child(2) { animation-delay: 0.04s; }
.stagger-text > span:nth-child(3) { animation-delay: 0.06s; }
.stagger-text > span:nth-child(4) { animation-delay: 0.08s; }
.stagger-text > span:nth-child(5) { animation-delay: 0.10s; }
.stagger-text > span:nth-child(6) { animation-delay: 0.12s; }
.stagger-text > span:nth-child(7) { animation-delay: 0.14s; }
.stagger-text > span:nth-child(8) { animation-delay: 0.16s; }
.stagger-text > span:nth-child(9) { animation-delay: 0.18s; }
.stagger-text > span:nth-child(10) { animation-delay: 0.20s; }
.stagger-text > span:nth-child(11) { animation-delay: 0.22s; }
.stagger-text > span:nth-child(12) { animation-delay: 0.24s; }

@keyframes staggerFadeIn {
  0% {
    opacity: 0;
    transform: translateY(8px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Text Swap Animation - for dynamic status messages */
.text-swap-container {
  position: relative;
}

.text-swap-out {
  animation: textSwapOut 200ms ease forwards;
}

.text-swap-in {
  animation: textSwapIn 200ms ease forwards;
}

@keyframes textSwapOut {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(-10px);
  }
}

@keyframes textSwapIn {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Prevent text blur during transforms */
.no-blur-text {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translateZ(0);
}

/* ==========================================================================
   SCROLL & GESTURE UTILITIES
   ========================================================================== */

/* Native-feeling horizontal scroll container */
.scroll-horizontal {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.scroll-horizontal::-webkit-scrollbar {
  display: none;
}

.scroll-horizontal > * {
  scroll-snap-align: start;
  flex-shrink: 0;
}

/* Scroll snap variations */
.scroll-snap-center > * {
  scroll-snap-align: center;
}

.scroll-snap-none {
  scroll-snap-type: none;
}

/* Overscroll control */
.no-overscroll {
  overscroll-behavior: contain;
}

.allow-overscroll {
  overscroll-behavior: auto;
}

/* Touch feedback - immediate response on press */
.touch-feedback {
  transition: transform 100ms ease, opacity 100ms ease;
}

.touch-feedback:active {
  transform: scale(0.97);
  opacity: 0.9;
}

/* Disable touch-action for specific gestures */
.pan-x-only {
  touch-action: pan-x;
}

.pan-y-only {
  touch-action: pan-y;
}

.no-pan {
  touch-action: none;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */

/* Tablet and up */
@media (min-width: 768px) {
  :root {
    --text-4xl: 2.75rem;
    --text-5xl: 3.5rem;
  }
  
  .screen-content {
    padding: var(--space-7);
    max-width: 600px;
    margin: 0 auto;
  }
  
  .screen-title {
    font-size: var(--text-5xl);
  }
  
  .avatar-circle {
    width: 240px;
    height: 240px;
  }
  
  .avatar-circle.avatar-large {
    width: 320px;
    height: 320px;
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .screen-content {
    max-width: 720px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ==========================================================================
   HTMX STATES
   ========================================================================== */

.htmx-request {
  opacity: 0.7;
  pointer-events: none;
}

.htmx-settling {
  opacity: 1;
}

/* ==========================================================================
   LANDING SCREEN
   ========================================================================== */

#screen-landing {
  background: #fff;
}

.landing-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bmw-gray-100);
  overflow: hidden;
}

/* Hero video background */
.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  object-fit: cover;
  z-index: 0;
}

/* Fallback when video fails or on low power mode */
.hero-video-fallback {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.landing-bg-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    linear-gradient(180deg, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0) 30%, rgba(255,255,255,0) 50%, rgba(255,255,255,0.6) 100%),
    radial-gradient(ellipse 80% 50% at 50% 120%, rgba(28, 105, 212, 0.1) 0%, transparent 50%);
  z-index: 1;
  pointer-events: none;
}

.landing-bg img,
.landing-bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.landing-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  height: 100%;
  padding: var(--space-5);
  padding-top: calc(var(--safe-top) + var(--space-6));
}

.landing-header {
  max-width: 280px;
  /* Staggered fade-in animation */
  animation: landing-fade-up 800ms cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  animation-delay: 200ms;
  opacity: 0;
}

@keyframes landing-fade-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.landing-title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 12vw, 3.5rem);
  font-weight: var(--font-bold);
  color: var(--bmw-white);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: var(--space-3);
  text-shadow: 
    0 2px 4px rgba(0, 0, 0, 0.5),
    0 4px 16px rgba(0, 0, 0, 0.4),
    0 8px 32px rgba(0, 0, 0, 0.3);
}

.landing-subtitle {
  font-family: var(--font-body);
  font-size: clamp(1rem, 4.5vw, 1.25rem);
  font-weight: var(--font-medium);
  color: var(--bmw-white);
  line-height: 1.5;
  max-width: 26ch;
  text-shadow: 
    0 1px 3px rgba(0, 0, 0, 0.5),
    0 2px 8px rgba(0, 0, 0, 0.4);
  animation: landing-fade-up 800ms cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  animation-delay: 400ms;
  opacity: 0;
}

.landing-cta {
  position: absolute;
  bottom: calc(var(--safe-bottom) + var(--space-6));
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  padding: 0 var(--space-5);
  animation: landing-fade-up 600ms cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  animation-delay: 600ms;
  opacity: 0;
}

.landing-cta .btn-primary {
  min-width: 200px;
  box-shadow: 
    var(--glass-shadow-lg),
    0 0 40px rgba(28, 105, 212, 0.35);
}

/* Responsive adjustments */
@media (min-width: 768px) {
  .landing-title {
    font-size: var(--text-5xl);
  }
  
  .landing-header {
    max-width: 360px;
  }
}

/* ==========================================================================
   CAMERA PERMISSION SCREEN
   ========================================================================== */

.permission-content {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--space-6);
  padding-top: calc(var(--safe-top) + var(--space-8));
}

.permission-header {
  text-align: left;
  margin-bottom: var(--space-4);
}

.permission-header .screen-subtitle {
  max-width: 28ch;
}

.permission-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
}

.permission-prompt {
  font-size: var(--text-base);
  color: var(--bmw-gray-500);
  text-align: center;
  max-width: 24ch;
}

.permission-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding-bottom: calc(var(--safe-bottom) + var(--space-6));
}

.permission-cta .btn-primary {
  min-width: 220px;
}

.btn-link {
  background: none;
  border: none;
  color: var(--bmw-gray-500);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  cursor: pointer;
  padding: var(--space-2);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.btn-link:hover {
  color: var(--bmw-gray-600);
}

/* ==========================================================================
   FACE CAPTURE SCREENS
   ========================================================================== */

.capture-content {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  padding: var(--space-6);
  padding-top: calc(var(--safe-top) + var(--space-8));
}

.capture-instruction {
  text-align: center;
  margin-bottom: var(--space-4);
  color: var(--bmw-white);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  animation: instruction-enter 400ms ease-out;
}

@keyframes instruction-enter {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.capture-instruction.transition-out {
  animation: instruction-exit 200ms ease-in forwards;
}

@keyframes instruction-exit {
  to {
    opacity: 0;
    transform: translateY(10px);
  }
}

.capture-viewfinder {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.viewfinder-ring {
  position: relative;
  width: 260px;
  height: 260px;
  border-radius: var(--radius-full);
  border: 3px solid transparent;
  overflow: hidden;
  background-image: 
    linear-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.1)),
    linear-gradient(135deg, rgba(255, 255, 255, 0.6) 0%, rgba(255, 255, 255, 0.2) 50%, rgba(255, 255, 255, 0.4) 100%);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  box-shadow: 
    0 0 0 1px rgba(255, 255, 255, 0.3),
    0 0 40px rgba(255, 255, 255, 0.15),
    0 8px 32px rgba(0, 0, 0, 0.3),
    inset 0 0 20px rgba(255, 255, 255, 0.1);
  /* Tap-to-capture interaction */
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  transition: transform 150ms ease-out;
}

.viewfinder-ring:active {
  transform: scale(0.95);
}

/* Animated scanning ring */
.viewfinder-ring::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: var(--radius-full);
  border: 3px solid transparent;
  border-top-color: var(--bmw-blue);
  animation: scan-rotate 2s linear infinite;
  z-index: 10;
  pointer-events: none;
}

@keyframes scan-rotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Pulsing outer glow */
.viewfinder-ring::after {
  content: '';
  position: absolute;
  top: -12px;
  left: -12px;
  right: -12px;
  bottom: -12px;
  border-radius: var(--radius-full);
  border: 2px solid var(--bmw-blue);
  opacity: 0.3;
  animation: ring-pulse 2s ease-in-out infinite;
  z-index: 5;
  pointer-events: none;
}

@keyframes ring-pulse {
  0%, 100% { 
    opacity: 0.2;
    transform: scale(1);
  }
  50% { 
    opacity: 0.4;
    transform: scale(1.02);
  }
}

/* Face detected state - green ring */
.viewfinder-ring.face-detected::before {
  border-top-color: #22c55e;
}

.viewfinder-ring.face-detected::after {
  border-color: #22c55e;
}

/* Capture success state */
.viewfinder-ring.capture-success {
  border-color: #22c55e;
}

.viewfinder-ring.capture-success::before {
  animation: none;
  border-top-color: transparent;
}

/* Shutter flash effect */
.viewfinder-shutter {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bmw-white);
  opacity: 0;
  pointer-events: none;
  z-index: 20;
  border-radius: var(--radius-full);
}

.viewfinder-shutter.flash {
  animation: shutter-flash 300ms ease-out;
}

@keyframes shutter-flash {
  0% { opacity: 0; }
  20% { opacity: 1; }
  100% { opacity: 0; }
}

/* Success checkmark overlay */
.capture-success-indicator {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 60px;
  height: 60px;
  background: rgba(34, 197, 94, 0.9);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 25;
  opacity: 0;
  pointer-events: none;
}

.capture-success-indicator.show {
  animation: success-appear 400ms ease-out forwards;
}

@keyframes success-appear {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
  }
  100% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

.capture-success-indicator svg {
  width: 32px;
  height: 32px;
  fill: var(--bmw-white);
}

.camera-feed {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
}

.capture-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
  transform: scaleX(-1);
}

.capture-countdown {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  color: var(--bmw-white);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
}

.capture-countdown.visible {
  opacity: 1;
  animation: countdownPulse 1s ease-out;
}

@keyframes countdownPulse {
  0% {
    transform: translate(-50%, -50%) scale(0.5);
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    transform: translate(-50%, -50%) scale(1.2);
    opacity: 0;
  }
}

.capture-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  padding-bottom: calc(var(--safe-bottom) + var(--space-4));
  background: transparent;
  margin: 0 -24px;
  width: calc(100% + 48px);
}

.capture-footer .btn-primary {
  min-width: 160px;
  transition: transform 200ms ease, background-color 200ms ease;
}

.capture-footer .btn-primary:active {
  transform: scale(0.95);
}

/* Demo mode placeholder for camera */
.viewfinder-ring.demo-mode {
  background: linear-gradient(135deg, var(--bg-cream) 0%, var(--bg-warm-gray) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.viewfinder-ring.demo-mode::after {
  content: '👤';
  font-size: 80px;
  opacity: 0.3;
  position: static;
  border: none;
  animation: none;
}

/* Capture screens use pill-style pagination dots - handled by main pagination styles with .pill-style modifier */

/* Responsive */
@media (min-width: 768px) {
  .viewfinder-ring {
    width: 320px;
    height: 320px;
  }
}

/* ==========================================================================
   CLONE PREVIEW SCREEN
   ========================================================================== */

.preview-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  padding: var(--space-6);
  padding-top: calc(var(--safe-top) + var(--space-8));
}

/* Title reveal animation */
.clone-title.reveal-ready {
  opacity: 0;
  transform: translateY(-20px) scale(0.9);
}

.clone-title.reveal-animate {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition: opacity 400ms ease-out, transform 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.clone-display {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 100%;
  min-height: 0;
}

.clone-media {
  max-height: 55vh;
  max-width: 100%;
  object-fit: contain;
}

/* Clone image/video reveal animation */
.clone-reveal.reveal-ready {
  opacity: 0;
  transform: scale(0.9);
}

.clone-reveal.reveal-animate {
  opacity: 1;
  transform: scale(1);
  transition: opacity 800ms ease-out, transform 800ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.clone-loading {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: transparent;
  transition: opacity 300ms ease;
}

.clone-loading.hidden {
  opacity: 0;
  pointer-events: none;
}

.clone-loading.fade-out {
  animation: clone-loading-fadeout 300ms ease-out forwards;
}

@keyframes clone-loading-fadeout {
  to {
    opacity: 0;
    transform: scale(0.95);
  }
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--bmw-gray-200);
  border-top-color: var(--bmw-blue);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
}

.loading-text {
  color: var(--bmw-gray-500);
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  animation: loading-pulse 2s ease-in-out infinite;
}

@keyframes loading-pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* Input container reveal */
.preview-input-container {
  width: 100%;
  padding: var(--space-3) 0;
}

.preview-input-container.reveal-ready {
  opacity: 0;
  transform: translateY(20px);
}

.preview-input-container.reveal-animate {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 400ms ease-out, transform 400ms ease-out;
  transition-delay: 500ms;
}

/* Footer reveal */
.preview-footer {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding-bottom: calc(var(--safe-bottom) + var(--space-4));
}

.preview-footer.reveal-ready {
  opacity: 0;
  transform: translateY(20px);
}

.preview-footer.reveal-animate {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 400ms ease-out, transform 400ms ease-out;
  transition-delay: 600ms;
}

.preview-footer .btn-primary {
  min-width: 180px;
}

/* ==========================================================================
   CHARACTER SELECTION SCREEN
   ========================================================================== */

.character-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
  padding: var(--space-5);
  padding-top: calc(var(--safe-top) + var(--space-4));
  padding-bottom: calc(var(--safe-bottom) + var(--space-4));
  position: relative;
  z-index: 2;
}

/* Dark text over light gradient backgrounds */
.character-content .screen-title,
.vehicle-content .screen-title {
  color: var(--bmw-black);
  text-shadow: none;
}

.character-display {
  /* Video container - occupies top portion, video contained within */
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  /* Leave space for UI at bottom - video occupies top 65% */
  height: 65%;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: visible;
}

/* Video/image stack for crossfade transitions */
.character-video-stack {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: visible;
}

.character-media {
  /* Video sized to fit naturally, anchored to bottom */
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) translateZ(0);
  width: auto;
  height: 100%;
  max-width: 100vw;
  object-fit: contain;
  object-position: bottom center;
  opacity: 0;
  transition: opacity 400ms ease;
  pointer-events: none;
  backface-visibility: hidden;
}

.character-media.active {
  opacity: 1;
  pointer-events: auto;
}

.character-media.fading-out {
  opacity: 0;
}

.character-media.fading-in {
  opacity: 1;
}

/* Skeleton for character video stack */
.character-skeleton {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
  transition: opacity 200ms ease;
}

.character-skeleton.hidden {
  opacity: 0;
  pointer-events: none;
}

/* Extended bottom gradient for character screen UI elements */
.character-gradient-bottom {
  height: 60%;
  background: linear-gradient(
    to top,
    rgba(255, 255, 255, 0.95) 0%,
    rgba(255, 255, 255, 0.8) 30%,
    rgba(255, 255, 255, 0.4) 60%,
    transparent 100%
  );
}

/* Video element specific styles */
.character-display video,
.vehicle-display video {
  background: transparent;
}

/* Swipe hint indicator */
.character-display,
.vehicle-display {
  position: relative;
  touch-action: pan-y;
  cursor: grab;
}

.character-display:active,
.vehicle-display:active {
  cursor: grabbing;
}

.character-selector-container {
  width: 100%;
  padding: var(--space-2) 0;
}

.character-selector {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 2px var(--space-4);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.character-selector::-webkit-scrollbar {
  display: none;
}

.character-pill {
  flex-shrink: 0;
  padding: 8px 16px;
  background: transparent;
  color: var(--bmw-gray-500);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: var(--font-medium);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  white-space: nowrap;
  transition: all 200ms ease;
  -webkit-tap-highlight-color: transparent;
  opacity: 0.7;
}

.character-pill:active {
  transform: scale(0.97);
}

.character-pill.active {
  background: var(--bmw-blue);
  color: var(--bmw-white);
  font-weight: var(--font-semibold);
  box-shadow: 0 2px 8px rgba(0, 102, 179, 0.4);
  opacity: 1;
  transform: scale(1.05);
}

/* Customize toggle button */
.character-customize-toggle,
.scene-customize-toggle,
.clone-customize-toggle {
  display: flex;
  justify-content: center;
  padding: var(--space-2) 0;
}

.customize-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(0, 0, 0, 0.08);
  border: none;
  border-radius: var(--radius-full);
  color: var(--bmw-gray-600);
  font-size: var(--text-xs);
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 200ms ease;
}

.customize-btn:hover {
  background: rgba(0, 0, 0, 0.15);
}

.customize-btn svg {
  opacity: 0.7;
}

.character-input-container,
.clone-input-container {
  width: 100%;
  padding: var(--space-2) 0;
  position: relative;
}

.character-input-container.hidden,
.scene-input-container.hidden,
.clone-input-container.hidden {
  display: none;
}

.input-close-btn {
  position: absolute;
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.1);
  border: none;
  border-radius: var(--radius-full);
  color: var(--bmw-gray-600);
  cursor: pointer;
  transition: all 150ms ease;
}

.input-close-btn:hover {
  background: rgba(0, 0, 0, 0.2);
}

.character-footer {
  padding: var(--space-3) 0;
  padding-bottom: calc(var(--safe-bottom) + var(--space-4));
}

/* ==========================================================================
   VEHICLE SELECTION SCREEN
   ========================================================================== */

.vehicle-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
  padding: var(--space-5);
  padding-top: calc(var(--safe-top) + var(--space-4));
  padding-bottom: calc(var(--safe-bottom) + var(--space-4));
  position: relative;
  z-index: 2;
}

.vehicle-display {
  /* Vehicle container - fills top portion of screen */
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  /* Leave space for UI at bottom - vehicle occupies top 65% */
  height: 65%;
  z-index: 1;
  overflow: hidden;
}

/* Video/image stack for crossfade transitions */
.vehicle-video-stack {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.vehicle-media {
  /* Image fills container, anchored to top */
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  opacity: 0;
  transition: opacity 400ms ease;
  pointer-events: none;
  transform: translateZ(0);
  backface-visibility: hidden;
}

.vehicle-media.active {
  opacity: 1;
  pointer-events: auto;
}

.vehicle-media.fading-out {
  opacity: 0;
}

.vehicle-media.fading-in {
  opacity: 1;
}

/* Skeleton for vehicle video stack */
.vehicle-skeleton {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
  transition: opacity 200ms ease;
}

.vehicle-skeleton.hidden {
  opacity: 0;
  pointer-events: none;
}

/* Extended bottom gradient for vehicle screen UI elements */
.vehicle-gradient-bottom {
  height: 60%;
  background: linear-gradient(
    to top,
    rgba(255, 255, 255, 0.95) 0%,
    rgba(255, 255, 255, 0.8) 30%,
    rgba(255, 255, 255, 0.4) 60%,
    transparent 100%
  );
}

.vehicle-selector-container {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding: var(--space-3) 0;
  margin: 0 calc(-1 * var(--space-6));
  width: calc(100% + var(--space-6) * 2);
}

/* Edge fade gradients */
.vehicle-selector-container::before,
.vehicle-selector-container::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 40px;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 200ms ease;
}

.vehicle-selector-container::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-cream) 0%, transparent 100%);
}

.vehicle-selector-container::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-cream) 0%, transparent 100%);
}

.vehicle-selector-container.scroll-left::before {
  opacity: 1;
}

.vehicle-selector-container.scroll-right::after {
  opacity: 1;
}

.vehicle-selector {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 2px var(--space-4);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.vehicle-selector::-webkit-scrollbar {
  display: none;
}

.vehicle-pill {
  flex-shrink: 0;
  padding: 8px 16px;
  background: transparent;
  color: var(--bmw-gray-500);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  white-space: nowrap;
  transition: all 200ms ease;
  -webkit-tap-highlight-color: transparent;
  opacity: 0.7;
}

.vehicle-pill:active {
  transform: scale(0.97);
}

.vehicle-pill.active {
  background: var(--bmw-blue);
  color: var(--bmw-white);
  box-shadow: 0 2px 8px rgba(0, 102, 179, 0.4);
  opacity: 1;
  transform: scale(1.05);
}

.vehicle-footer {
  padding: var(--space-3) 0;
  padding-bottom: calc(var(--safe-bottom) + var(--space-4));
}

/* ==========================================================================
   SCENE INPUT SCREEN
   ========================================================================== */

.scene-content {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--space-5);
  padding-top: calc(var(--safe-top) + var(--space-6));
}

/* Scene selector pills - vertical stacked layout */
.scene-selector-container {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: var(--space-3) 0;
}

.scene-selector {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.scene-pill {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: var(--space-3);
  background: var(--bmw-white);
  border: 1px solid var(--bmw-gray-200);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 200ms ease;
  text-align: left;
}

.scene-pill:hover {
  border-color: var(--bmw-gray-300);
  background: var(--bmw-gray-50);
}

.scene-pill.active {
  border-color: var(--bmw-blue);
  background: rgba(28, 105, 212, 0.03);
}

.scene-brand {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--bmw-gray-500);
}

.scene-pill.active .scene-brand {
  color: var(--bmw-blue);
}

.scene-title {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--bmw-gray-900);
}

.scene-input-container {
  width: 100%;
  padding: var(--space-3) 0;
  position: relative;
}

.scene-input-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--space-3) 0;
}

.scene-textarea {
  width: 100%;
  flex: 1;
  min-height: 120px;
  padding: var(--space-3);
  border: 1px solid var(--bmw-gray-200);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  line-height: 1.5;
  resize: none;
  background: var(--bmw-white);
}

.scene-textarea:focus {
  outline: none;
  border-color: var(--bmw-blue);
  box-shadow: 0 0 0 3px rgba(28, 105, 212, 0.15);
}

.scene-textarea::placeholder {
  color: var(--bmw-gray-400);
  transition: opacity 200ms ease;
}

.scene-textarea:focus::placeholder {
  opacity: 0.5;
}

/* Character counter */
.scene-char-counter {
  text-align: right;
  font-size: var(--text-sm);
  color: var(--bmw-gray-400);
  padding-top: var(--space-2);
  transition: color 200ms ease;
}

.scene-char-counter.near-limit {
  color: var(--bmw-gray-600);
}

.scene-char-counter.at-limit {
  color: #DC2626;
  font-weight: var(--font-medium);
}

.scene-suggestions {
  padding: var(--space-3) 0;
}

.suggestion-label {
  margin-bottom: var(--space-2);
}

.suggestion-chips {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: var(--space-1);
  margin: 0 calc(-1 * var(--space-6));
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.suggestion-chips::-webkit-scrollbar {
  display: none;
}

.suggestion-chip {
  flex-shrink: 0;
  scroll-snap-align: start;
  padding: var(--space-2) var(--space-3);
  background: var(--bmw-gray-100);
  color: var(--bmw-gray-600);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: 
    background-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
  white-space: nowrap;
}

.suggestion-chip:hover {
  background: var(--bmw-gray-200);
}

.suggestion-chip:active {
  transform: scale(0.95);
}

.suggestion-chip.selected {
  background: var(--bmw-blue);
  color: var(--bmw-white);
  box-shadow: 0 2px 8px rgba(28, 105, 212, 0.3);
}

.scene-footer {
  padding: var(--space-3) 0;
  padding-bottom: calc(var(--safe-bottom) + var(--space-4));
}

/* ==========================================================================
   GENERATING SCREEN
   ========================================================================== */

.generating-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: var(--space-6);
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Floating particles background */
.generating-particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--bmw-blue);
  border-radius: 50%;
  opacity: 0.3;
  animation: particle-float 15s infinite ease-in-out;
}

.particle:nth-child(1) {
  left: 10%;
  top: 20%;
  animation-delay: 0s;
  animation-duration: 12s;
}

.particle:nth-child(2) {
  left: 30%;
  top: 60%;
  animation-delay: -3s;
  animation-duration: 18s;
}

.particle:nth-child(3) {
  left: 50%;
  top: 30%;
  animation-delay: -6s;
  animation-duration: 14s;
}

.particle:nth-child(4) {
  left: 70%;
  top: 70%;
  animation-delay: -9s;
  animation-duration: 16s;
}

.particle:nth-child(5) {
  left: 85%;
  top: 40%;
  animation-delay: -4s;
  animation-duration: 20s;
}

.particle:nth-child(6) {
  left: 20%;
  top: 80%;
  animation-delay: -7s;
  animation-duration: 13s;
}

@keyframes particle-float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.2;
  }
  25% {
    transform: translate(20px, -30px) scale(1.5);
    opacity: 0.4;
  }
  50% {
    transform: translate(-10px, -50px) scale(1);
    opacity: 0.3;
  }
  75% {
    transform: translate(15px, -20px) scale(1.2);
    opacity: 0.35;
  }
}

.generating-animation {
  margin-bottom: var(--space-6);
  position: relative;
  z-index: 1;
}

/* Progress ring container */
.progress-ring-container {
  position: relative;
  width: 140px;
  height: 140px;
  margin: 0 auto var(--space-4);
}

.progress-ring {
  position: absolute;
  top: 0;
  left: 0;
  width: 140px;
  height: 140px;
  transform: rotate(-90deg);
}

.progress-ring-bg {
  fill: none;
  stroke: var(--bmw-gray-200);
  stroke-width: 3;
}

.progress-ring-fill {
  fill: none;
  stroke: var(--bmw-blue);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 402.12;
  stroke-dashoffset: 402.12;
  transition: stroke-dashoffset 0.3s ease;
}

.bmw-roundel-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bmw-roundel {
  width: 80px;
  height: 80px;
}

.bmw-roundel.pulsing {
  animation: roundel-pulse 2s ease-in-out infinite;
}

@keyframes roundel-pulse {
  0%, 100% { 
    transform: scale(1);
    filter: brightness(1);
  }
  50% { 
    transform: scale(1.05);
    filter: brightness(1.1);
  }
}

.progress-percent {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--bmw-black);
  margin: 0;
  letter-spacing: -0.02em;
}

.generating-status {
  margin-bottom: var(--space-6);
  position: relative;
  z-index: 1;
}

.generating-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--bmw-black);
  margin-bottom: var(--space-2);
  transition: opacity 0.3s ease;
}

.generating-title.fade-out {
  opacity: 0;
}

.generating-message {
  color: var(--bmw-gray-500);
  font-size: var(--text-base);
  transition: opacity 0.3s ease;
}

.generating-message.fade-out {
  opacity: 0;
}

.generating-facts {
  max-width: 280px;
  position: relative;
  z-index: 1;
}

.fun-fact {
  font-size: var(--text-sm);
  color: var(--bmw-gray-500);
  font-style: italic;
  line-height: 1.5;
  transition: opacity 0.3s ease;
}

.fun-fact.fade-out {
  opacity: 0;
}

/* ==========================================================================
   RESULT / SHARE SCREEN
   ========================================================================== */

#screen-result {
  background: #fff;
}

.result-video-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bmw-gray-100);
}

.result-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  z-index: 2;
  opacity: 1;
  /* GPU acceleration for smooth playback */
  transform: translateZ(0);
  backface-visibility: hidden;
}

.result-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  z-index: 0;
}

.result-placeholder.hidden {
  display: none;
}

.result-placeholder-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.result-placeholder-logo {
  width: 100px;
  height: 100px;
  opacity: 0.8;
}

.result-placeholder-text {
  color: var(--bmw-white);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  opacity: 0.9;
}

.result-placeholder.hidden {
  display: none;
}

.result-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(
    to top,
    rgba(255, 255, 255, 0.95) 0%,
    rgba(255, 255, 255, 0.6) 40%,
    transparent 100%
  );
  pointer-events: none;
  z-index: 3;
}

.result-caption {
  position: absolute;
  top: calc(var(--safe-top) + var(--space-4));
  left: var(--space-5);
  right: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  z-index: 4;
  padding: var(--space-3) var(--space-4);
  background: var(--glass-bg-dark-medium);
  backdrop-filter: blur(var(--glass-blur-medium));
  -webkit-backdrop-filter: blur(var(--glass-blur-medium));
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border-subtle);
}

.caption-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 2px solid var(--bmw-white);
  flex-shrink: 0;
  background: var(--bmw-gray-500);
}

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

.caption-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--bmw-white);
  font-size: var(--text-base);
  font-family: var(--font-body);
  padding: var(--space-2) 0;
}

.caption-input:focus {
  outline: none;
}

.caption-input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.result-actions {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-3) var(--space-5);
  padding-bottom: calc(var(--safe-bottom) + var(--space-3));
  background: var(--glass-bg-dark-medium);
  backdrop-filter: blur(var(--glass-blur-medium));
  -webkit-backdrop-filter: blur(var(--glass-blur-medium));
  border-top: 1px solid var(--glass-border-subtle);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  z-index: 5;
}

/* Drag handle for swipe hint */
.share-panel-handle {
  width: 36px;
  height: 4px;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 2px;
  margin: 0 auto var(--space-2);
  cursor: grab;
}

/* Collapsed state (initially minimized) */
.result-actions.panel-collapsed {
  transform: translateY(calc(100% - 60px));
}

/* Expanded state */
.result-actions.panel-expanded {
  transform: translateY(0);
}

.share-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
}

.share-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 12px;
  background: var(--glass-bg-dark-medium);
  backdrop-filter: blur(var(--glass-blur-medium));
  -webkit-backdrop-filter: blur(var(--glass-blur-medium));
  border: 1px solid var(--glass-border-subtle);
  border-radius: var(--radius-md);
  color: var(--bmw-white);
  cursor: pointer;
  min-width: 70px;
  transition: 
    background-color var(--transition-fast),
    transform var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.share-btn:hover {
  background: var(--glass-bg-dark);
}

.share-btn:active {
  transform: scale(0.95);
  background: rgba(0, 0, 0, 0.35);
}

.share-icon {
  width: 24px;
  height: 24px;
  filter: brightness(0) invert(1);
}

.share-btn span {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
}

/* Result screen reveal animations */
.result-video-container.reveal-ready {
  opacity: 0;
  transform: scale(0.95);
}

.result-video-container.reveal-animate {
  opacity: 1;
  transform: scale(1);
  transition: opacity 600ms cubic-bezier(0.34, 1.56, 0.64, 1),
              transform 600ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.result-caption.reveal-ready {
  opacity: 0;
  transform: translateY(-20px);
}

.result-caption.reveal-animate {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 400ms ease, transform 400ms ease;
  transition-delay: 200ms;
}

.result-actions.reveal-ready {
  opacity: 0;
  transform: translateY(30px);
}

.result-actions.reveal-animate {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 400ms ease, transform 400ms ease;
  transition-delay: 300ms;
}

.share-btn.reveal-ready {
  opacity: 0;
  transform: translateY(10px);
}

.share-btn.reveal-animate {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 300ms ease, transform 300ms ease;
}

.share-btn.reveal-animate:nth-child(1) { transition-delay: 400ms; }
.share-btn.reveal-animate:nth-child(2) { transition-delay: 500ms; }
.share-btn.reveal-animate:nth-child(3) { transition-delay: 600ms; }

/* Caption input focus animation */
.caption-input {
  transition: border-color 200ms ease, box-shadow 200ms ease;
  border-bottom: 1px solid transparent;
}

.caption-input:focus {
  outline: none;
  border-bottom-color: var(--bmw-blue);
  box-shadow: 0 1px 0 0 var(--bmw-blue);
}

/* Avatar glow effect */
.caption-avatar {
  position: relative;
}

.caption-avatar::after {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--bmw-blue), var(--bmw-white));
  z-index: -1;
  opacity: 0.5;
  filter: blur(4px);
}

/* Flash overlay for reveal */
.result-flash {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bmw-white);
  pointer-events: none;
  opacity: 0;
  z-index: 1000;
}

.result-flash.flash-active {
  animation: result-flash 300ms ease-out;
}

@keyframes result-flash {
  0% { opacity: 0; }
  30% { opacity: 0.8; }
  100% { opacity: 0; }
}

/* Celebration particles */
.celebration-particles {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 999;
}

.confetti {
  position: absolute;
  width: 8px;
  height: 8px;
  opacity: 0;
}

.confetti.animate {
  animation: confetti-fall 2.5s ease-out forwards;
}

@keyframes confetti-fall {
  0% {
    opacity: 1;
    transform: translateY(-100vh) rotate(0deg);
  }
  100% {
    opacity: 0;
    transform: translateY(100vh) rotate(720deg);
  }
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-5);
  min-height: 48px;
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-full);
  color: var(--bmw-white);
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-secondary:active {
  transform: scale(0.99);
}

/* ==========================================================================
   ANIMATION UTILITIES
   ========================================================================== */

/* Skeleton loading effect for placeholders */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bmw-gray-100) 25%,
    var(--bmw-gray-200) 50%,
    var(--bmw-gray-100) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease infinite;
  border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Skeleton Component Variants */
.skeleton-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
}

.skeleton-video--square {
  aspect-ratio: 1;
  max-width: 300px;
  max-height: 50vh;
}

.skeleton-video--portrait {
  aspect-ratio: 9 / 16;
  max-width: 300px;
  max-height: 60vh;
}

.skeleton-text {
  height: 1em;
  border-radius: var(--radius-sm);
}

.skeleton-text--title {
  width: 60%;
  height: 2rem;
  margin-bottom: var(--space-2);
}

.skeleton-text--subtitle {
  width: 80%;
  height: 1rem;
  margin-bottom: var(--space-1);
}

.skeleton-text--body {
  width: 40%;
  height: 0.875rem;
}

.skeleton-button {
  width: 180px;
  height: 48px;
  border-radius: var(--radius-full);
}

.skeleton-pill-row {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
}

.skeleton-pill {
  width: 60px;
  height: 32px;
  border-radius: var(--radius-full);
}

/* Skeleton transition to content */
.skeleton-container {
  position: relative;
}

.skeleton-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  opacity: 1;
  transition: opacity 200ms ease;
}

.skeleton-placeholder.hidden {
  opacity: 0;
  pointer-events: none;
}

.skeleton-content {
  opacity: 0;
  transition: opacity 200ms ease;
}

.skeleton-content.loaded {
  opacity: 1;
}

/* ==========================================================================
   PROGRESSIVE IMAGE LOADING
   ========================================================================== */

.progressive-image {
  position: relative;
  overflow: hidden;
  background: var(--bmw-gray-100);
}

.progressive-image .thumb {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(20px);
  transform: scale(1.1);
  transition: opacity 300ms ease;
  z-index: 1;
}

.progressive-image .full {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 300ms ease;
  z-index: 2;
}

.progressive-image.loaded .thumb {
  opacity: 0;
}

.progressive-image.loaded .full {
  opacity: 1;
}

/* Video poster fallback */
.video-with-poster {
  position: relative;
  background-size: cover;
  background-position: center;
}

.video-with-poster video {
  opacity: 0;
  transition: opacity 200ms ease;
}

.video-with-poster.playing video {
  opacity: 1;
}

/* Lazy loading fade-in */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 300ms ease;
}

img[loading="lazy"].loaded,
img.lazy-loaded {
  opacity: 1;
}

/* Content swap animation (for character/vehicle changes) */
.swapping {
  opacity: 0;
  transition: opacity 200ms ease;
}

.swap-ready {
  opacity: 1;
  transition: opacity 200ms ease;
}

/* Fade in animation */
.fade-in {
  animation: fadeIn 300ms ease forwards;
}

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

/* Fade in up animation */
.fade-in-up {
  animation: fadeInUp 400ms ease forwards;
}

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

/* Scale in animation */
.scale-in {
  animation: scaleIn 300ms cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Staggered children (add .stagger-item to children) */
.stagger-container .stagger-item {
  opacity: 0;
  transform: translateY(10px);
}

.stagger-container.animate .stagger-item {
  animation: staggerIn 300ms ease forwards;
}

.stagger-container.animate .stagger-item:nth-child(1) { animation-delay: 0ms; }
.stagger-container.animate .stagger-item:nth-child(2) { animation-delay: 50ms; }
.stagger-container.animate .stagger-item:nth-child(3) { animation-delay: 100ms; }
.stagger-container.animate .stagger-item:nth-child(4) { animation-delay: 150ms; }
.stagger-container.animate .stagger-item:nth-child(5) { animation-delay: 200ms; }

@keyframes staggerIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Reveal on scroll (intersection observer) */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Hover lift effect for desktop */
@media (hover: hover) {
  .hover-lift {
    transition: transform 200ms ease, box-shadow 200ms ease;
  }
  
  .hover-lift:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
  }
}

/* Touch feedback for mobile */
.touch-feedback {
  transition: transform 100ms ease;
}

.touch-feedback:active {
  transform: scale(0.97);
}

/* Bounce animation (for attention) */
.bounce {
  animation: bounce 600ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Shake animation (for errors) */
.shake {
  animation: shake 400ms ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-5px); }
  40%, 80% { transform: translateX(5px); }
}

/* ==========================================================================
   PRELOADER
   ========================================================================== */

.preloader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  background: var(--bg-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-max);
  transition: opacity 300ms ease-out, visibility 300ms ease-out;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-6);
}

.preloader-logo {
  margin-bottom: var(--space-8);
}

.preloader-roundel {
  width: 100px;
  height: 100px;
  animation: preloaderPulse 2s ease-in-out infinite;
}

@keyframes preloaderPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.85;
  }
}

.preloader-progress {
  width: 200px;
  margin-bottom: var(--space-4);
}

.preloader-bar {
  width: 100%;
  height: 4px;
  background: var(--bmw-gray-200);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: var(--space-2);
}

.preloader-fill {
  height: 100%;
  background: var(--bmw-blue);
  width: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 150ms ease-out;
}

.preloader-percent {
  font-size: var(--text-sm);
  color: var(--bmw-gray-500);
  font-weight: var(--font-medium);
}

.preloader-status {
  font-size: var(--text-sm);
  color: var(--bmw-gray-500);
  max-width: 200px;
}