* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ===========================
   TOKENS
=========================== */
:root {
  /* Colors - Enhanced modern palette */
  --black: #1a1a1a;
  --white: #FFFFFF;
  --text-dark: #2d3748;
  --text-light: #f7fafc;
  --bg-primary: #667eea;
  --bg-secondary: #764ba2;
  --bg-accent: #4fd1c7;
  
  /* Enhanced gradients */
  --grad-title: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --grad-attr-default: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
  --grad-card: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
  --grad-button: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

  /* Status colors - improved contrast */
  --bg-success: #48bb78;
  --stroke-success: #2f855a;
  --text-success: #ffffff;

  --bg-error: #f56565;
  --stroke-error: #c53030;
  --text-error: #ffffff;

  --bg-warning: #ed8936;
  --stroke-warning: #dd6b20;
  --text-warning: #ffffff;

  --bg-disabled: #e2e8f0;
  --stroke-disabled: #cbd5e0;
  --text-disabled: #a0aec0;

  /* FIXED CARD DIMENSIONS - NEVER CHANGE THESE */
  --card-base-width: 400px;
  --card-base-height: 600px;
  --card-aspect-ratio: calc(var(--card-base-width) / var(--card-base-height));
  
  /* Available space calculations */
  --header-height: 100px;
  --ui-spacing: 80px; /* Instructions + padding */
  --mobile-browser-ui: 0px; /* Account for mobile browser UI */
  --available-height: calc(100vh - var(--header-height) - var(--ui-spacing) - var(--mobile-browser-ui));
  --available-width: 100vw;
  
  /* Single card scaling - uniform scale to fit viewport */
  --single-scale-by-height: calc(var(--available-height) / var(--card-base-height));
  --single-scale-by-width: calc((100vw - 40px) / var(--card-base-width));
  --single-card-scale: min(var(--single-scale-by-height), var(--single-scale-by-width), 1);
  
  /* Comparison view scaling - two cards side by side */
  --comparison-available-width: calc((100vw - 120px) / 2); /* Space for gap and padding */
  --comparison-available-height: calc(100vh - var(--header-height) - 120px);
  --comparison-scale-by-width: calc(var(--comparison-available-width) / var(--card-base-width));
  --comparison-scale-by-height: calc(var(--comparison-available-height) / var(--card-base-height));
  --comparison-card-scale: min(var(--comparison-scale-by-width), var(--comparison-scale-by-height), 0.8);
  
  /* Card styling */
  --radius-card: 24px;
  --radius-block: 16px;
  
  /* Typography */
  --font-title: 'Jockey One', sans-serif;
  --font-body: 'Jockey One', sans-serif;
  --font-footer: 'Inter', sans-serif;
  --fw-heavy: 900;
  --fw-regular: 400;
  
  /* Shadows and effects */
  --shadow-card: 0 20px 40px rgba(0, 0, 0, 0.15), 0 8px 16px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 25px 50px rgba(0, 0, 0, 0.25), 0 12px 24px rgba(0, 0, 0, 0.15);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-quick: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* 3D Card Effect Variables */
  --card-rotation-x: 0deg;
  --card-rotation-y: 0deg;
  --card-perspective: 1000px;
  --card-max-rotation: 15deg;
  
  /* Subtle Shine Effect Variables */
  --shine-x: 50%;
  --shine-y: 50%;
  --shine-opacity: 0;
  --shine-angle: 0deg;
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--text-dark);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(10px, 3vw, 20px);
    position: relative;
}

.hidden {
    display: none !important;
}

/* Welcome Screen */
.welcome-content {
    text-align: center;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: clamp(40px, 8vh, 80px) clamp(30px, 6vw, 60px);
    border-radius: 24px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.15), 0 8px 32px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.welcome-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--grad-title);
}

.welcome-content h1 {
    font-size: clamp(2.5rem, 8vw, 4rem);
    margin-bottom: 15px;
    color: var(--text-dark);
    font-weight: bold;
    font-family: var(--font-title);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.welcome-content h2 {
    font-size: clamp(1.2rem, 4vw, 2rem);
    margin-bottom: 40px;
    color: var(--bg-primary);
    font-weight: 600;
}

.game-info {
    margin: 30px 0;
    line-height: 1.6;
}

.game-info p {
    margin: 10px 0;
    color: #555;
    font-size: 1.1rem;
}

/* Rotate Screen */
.rotate-content {
    text-align: center;
    background: white;
    padding: 80px 60px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    max-width: 600px;
}

.rotate-content h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #333;
}

.rotate-content h2 {
    font-size: 3rem;
    margin-bottom: 30px;
    color: #667eea;
    font-weight: bold;
}

.rotate-content p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    color: #666;
}

/* Buttons */
.btn-primary {
    background: var(--grad-button);
    color: white;
    border: none;
    padding: clamp(12px, 3vh, 18px) clamp(30px, 6vw, 50px);
    font-size: clamp(1rem, 3vw, 1.3rem);
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.5);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:active {
    transform: translateY(-1px) scale(1.01);
    transition: var(--transition-quick);
}

/* Game Screen */
#game-screen {
    flex-direction: column;
    align-items: stretch;
    padding: 0;
}

.game-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: clamp(12px, 2.5vh, 20px) clamp(15px, 4vw, 30px); /* Reduced padding for mobile */
    border-bottom: 1px solid rgba(102, 126, 234, 0.2);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: relative;
}

.game-header::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--grad-title);
}

.player-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-weight: 600;
    font-size: clamp(0.9rem, 2.5vw, 1.2rem);
    color: var(--text-dark);
}

.turn-info {
    text-align: center;
    font-size: clamp(1rem, 3vw, 1.3rem);
    color: var(--bg-primary);
    font-weight: bold;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.game-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.phase-content {
    width: 100%;
    max-width: 1200px;
}

/* ===========================
   CARD
=========================== */
.card-container {
  display: flex;
  justify-content: center;
  margin-bottom: clamp(15px, 4vh, 25px);
  width: 100%;
  /* Add perspective for 3D effect */
  perspective: var(--card-perspective);
  perspective-origin: center center;
}

.card {
  /* FIXED DIMENSIONS - NEVER CHANGE */
  width: var(--card-base-width);
  height: var(--card-base-height);
  
  /* Responsive scaling applied via transform - 3D rotation handled by hover state */
  transform: scale(var(--single-card-scale));
  transform-origin: center center;
  transform-style: preserve-3d;
  
  position: relative;
  background: var(--grad-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  transition: transform 0.1s ease-out, box-shadow 0.3s ease;
  border: 2px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  backdrop-filter: blur(10px);
  cursor: pointer;
  will-change: transform, box-shadow;
}

/* Subtle Shine Background */
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    calc(var(--shine-angle) * 1deg),
    transparent 30%,
    rgba(255, 255, 255, 0.4) var(--shine-x),
    transparent 70%
  );
  opacity: var(--shine-opacity);
  mix-blend-mode: overlay;
  pointer-events: none;
  z-index: 1;
  border-radius: var(--radius-card);
  transition: opacity 0.3s ease;
}

/* Secondary Shine Layer */
.card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at var(--shine-x) var(--shine-y),
    rgba(200, 200, 200, 0.8) 0%,
    rgba(200, 200, 200, 0.4) 25%,
    transparent 80%
  );
  opacity: calc(var(--shine-opacity) * 0.7);
  mix-blend-mode: soft-light;
  pointer-events: none;
  z-index: 2;
  border-radius: var(--radius-card);
  transition: opacity 0.3s ease;
}

/* Enhanced Shine Glare */
.card .shine-glare {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    calc(var(--shine-angle) * 1deg),
    transparent 40%,
    rgba(255, 255, 255, 0.3) 50%,
    transparent 60%
  );
  opacity: calc(var(--shine-opacity) * 0.8);
  mix-blend-mode: overlay;
  pointer-events: none;
  z-index: 3;
  border-radius: var(--radius-card);
  transition: opacity 0.2s ease;
}


/* Card Footer Text */
.card .card-footer {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  font-family: var(--font-footer);
  font-style: italic;
  font-weight: var(--fw-regular);
  text-align: center;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
  opacity: 0.8;
  z-index: 4;
  pointer-events: none;
}

/* 3D Hover Effect - Proper 3D rotation */
.card {
  /* CSS variables for 3D rotation */
  --rotate-x: 0deg;
  --rotate-y: 0deg;
  --scale: 1;
}

.card.card-3d-hover {
  /* Apply 3D effect that preserves layout */
  transform-style: preserve-3d;
  /* Apply scaling and 3D rotation based on CSS variables */
  transform: perspective(1000px) 
             rotateX(var(--rotate-x)) 
             rotateY(var(--rotate-y)) 
             scale(var(--scale));
  transition: transform 0.1s ease-out;
}

/* Ensure comparison cards also get 3D effect */
.cards-comparison .card.card-3d-hover {
  transform: perspective(1000px) 
             rotateX(var(--rotate-x)) 
             rotateY(var(--rotate-y)) 
             scale(var(--comparison-card-scale));
}

/* Enhanced shadow on hover */
.card.card-3d-hover {
  box-shadow: var(--shadow-hover);
}

/* Main shine overlay for mouse tracking */
.shine-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 5;
  border-radius: var(--radius-card);
  background: linear-gradient(
    55deg,
    transparent,
    rgba(255, 255, 255, 0.1) var(--shine-x),
    transparent
  );
  opacity: var(--shine-opacity);
  transition: opacity 0.2s ease-out;
}

/* Comparison cards maintain shine effects and 3D rotation */
.cards-comparison .card {
  /* Use base dimensions with comparison scaling and 3D rotation */
  width: var(--card-base-width);
  height: var(--card-base-height);
  transform: scale(var(--comparison-card-scale));
  transform-origin: center center;
}

/* ===========================
   HEADER - FIXED POSITIONING
=========================== */
.card-header {
  position: absolute;
  left: 25px;
  top: 25px;
  width: 350px;
  height: 80px;
  padding: 16px 20px;
  background: var(--grad-title);
  border-radius: var(--radius-block);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  /* Ensure header stays in place during 3D effects */
  transform: translateZ(0);
  backface-visibility: hidden;
}

.card-header h3 {
  margin: 0;
  color: var(--text-light);
  font-size: 28px;
  font-family: var(--font-title);
  font-weight: var(--fw-heavy);
  text-align: center;
  line-height: 1.1;
  word-wrap: break-word;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.card-header h4 {
  margin: 0 0 8px 0;
  color: var(--text-light);
  font-size: 14px;
  font-family: var(--font-body);
  font-weight: var(--fw-regular);
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===========================
   IMAGE - FIXED POSITIONING
=========================== */
.card-image {
  position: absolute;
  left: 25px;
  top: 125px;
  width: 350px;
  height: 200px;
  border-radius: var(--radius-block);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.1);
  /* CRITICAL: Maintain image position during 3D effects */
  transform: translateZ(0);
  backface-visibility: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}


/* ===========================
   ATTRIBUTES - FIXED POSITIONING
=========================== */
.card-attributes {
  position: absolute;
  left: 25px;
  top: 345px;
  width: 350px;
  height: 190px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  /* CRITICAL: Maintain attributes position and ensure clickability */
  transform: translateZ(0);
  backface-visibility: hidden;
  pointer-events: auto;
}

.attribute-row {
  width: 100%;
  height: 32px;
  padding: 12px 18px;
  margin-bottom: 6px;
  background: var(--grad-attr-default);
  border-radius: var(--radius-block);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  border: 2px solid transparent;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  /* CRITICAL: Ensure attributes remain clickable during 3D effects */
  pointer-events: auto;
  z-index: 10;
  transform: translateZ(0);
}

.attribute-row:hover {
  transform: translateZ(0) translateX(4px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  border-color: rgba(102, 126, 234, 0.3);
}

.attribute-row:last-child {
  margin-bottom: 0;
}

.attribute-row:active {
  transform: translateZ(0) translateX(2px);
  transition: var(--transition-quick);
}

/* STATES */
.attribute-row.selected {
  background: linear-gradient(135deg, var(--bg-warning) 0%, #f6ad55 100%);
  border-color: var(--stroke-warning);
  color: var(--text-warning);
  transform: translateZ(0) translateX(6px) scale(1.02);
  box-shadow: 0 6px 20px rgba(237, 137, 54, 0.3);
}

.attribute-row.winner {
  background: linear-gradient(135deg, var(--bg-success) 0%, #38a169 100%);
  border-color: var(--stroke-success);
  color: var(--text-success);
  transform: translateZ(0) translateX(6px) scale(1.02);
  box-shadow: 0 6px 20px rgba(72, 187, 120, 0.3);
  animation: pulse-success 2s infinite;
}

.attribute-row.loser {
  background: linear-gradient(135deg, var(--bg-error) 0%, #e53e3e 100%);
  border-color: var(--stroke-error);
  color: var(--text-error);
  transform: translateZ(0) translateX(-2px);
  box-shadow: 0 4px 16px rgba(245, 101, 101, 0.3);
  opacity: 0.8;
}

.attribute-row.opponent {
  background: linear-gradient(135deg, var(--bg-warning) 0%, #f6ad55 100%);
  border-color: var(--white);
  color: var(--text-warning);
  box-shadow: 0 4px 16px rgba(237, 137, 54, 0.2);
}

.attribute-row.disabled {
  background: var(--bg-disabled);
  border-color: var(--stroke-disabled);
  color: var(--text-disabled);
  cursor: default;
  opacity: 0.6;
  pointer-events: none;
  transform: none;
}

@keyframes pulse-success {
  0%, 100% { box-shadow: 0 6px 20px rgba(72, 187, 120, 0.3); }
  50% { box-shadow: 0 8px 25px rgba(72, 187, 120, 0.5); }
}

/* ATTRIBUTE TEXT - FIXED SIZING */
.attr-name,
.attr-value {
  font-size: 18px;
  font-family: var(--font-body);
  font-weight: var(--fw-heavy);
  line-height: 1.2;
  transition: var(--transition-quick);
}

.attr-name {
  color: var(--text-dark);
  font-weight: 600;
}

.attr-value {
  text-align: right;
  color: var(--text-dark);
  font-weight: var(--fw-heavy);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Enhanced text colors for different states */
.attribute-row.selected .attr-name,
.attribute-row.selected .attr-value,
.attribute-row.winner .attr-name,
.attribute-row.winner .attr-value,
.attribute-row.loser .attr-name,
.attribute-row.loser .attr-value,
.attribute-row.opponent .attr-name,
.attribute-row.opponent .attr-value {
  color: inherit;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* ===========================
   CARD DRAW ANIMATION
=========================== */
/* Initial state for card draw animation */
.card-draw-enter {
  /* Start from deck position (top-right) */
  transform: translate(50vw, -100vh) rotate(8deg) scale(0.3);
  opacity: 0;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* Animation keyframes for realistic card flip - back to front */
@keyframes cardFlip {
  0% {
    /* Start showing the back (flip card 180deg to reveal back) */
    transform: perspective(1000px) rotateY(180deg) scale(var(--single-card-scale));
    opacity: 1;
  }
  
  50% {
    /* Mid-flip (card on edge) */
    transform: perspective(1000px) rotateY(90deg) scale(calc(var(--single-card-scale) * 1.05));
    opacity: 1;
  }
  
  100% {
    /* End showing the front (normal position) */
    transform: perspective(1000px) rotateY(0deg) scale(var(--single-card-scale));
    opacity: 1;
  }
}


/* Animation classes to trigger the effect */
.card-flip-animation {
  animation: cardFlip 1.2s ease-in-out forwards;
  transform-style: preserve-3d;
  /* Disable hover effects during animation */
  pointer-events: none;
}

/* Card front and back structure for proper flip */
.card-front,
.card-back {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  backface-visibility: hidden;
  border-radius: var(--radius-card);
  transform-style: preserve-3d;
}

/* Card front (normal card content) - starts visible */
.card-front {
  transform: rotateY(0deg);
  z-index: 2;
}

/* Card back design - starts hidden behind */
.card-back {
  transform: rotateY(180deg);
  z-index: 1;
  background-image: url('./card-back.png'); /* Card back image */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(255, 255, 255, 0.3);
  box-shadow: inset 0 0 30px rgba(255, 255, 255, 0.1);
}

/* Card back content */
.card-back-content {
  text-align: center;
  color: white;
  padding: 40px;
}

.card-back-logo {
  font-size: clamp(28px, 6vw, 42px);
  font-weight: bold;
  font-family: var(--font-title);
  text-shadow: 0 3px 6px rgba(0, 0, 0, 0.5);
  margin-bottom: 20px;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: linear-gradient(45deg, #ffffff, #e2e8f0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card-back-subtitle {
  font-size: clamp(16px, 3.5vw, 22px);
  font-weight: 600;
  opacity: 0.95;
  margin-bottom: 30px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  letter-spacing: 1px;
}

.card-back-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    /* Corner highlights */
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 40%),
    /* Center glow */
    radial-gradient(ellipse at center, rgba(255, 255, 255, 0.05) 0%, transparent 60%),
    /* Subtle grid pattern */
    linear-gradient(0deg, transparent 49%, rgba(255, 255, 255, 0.03) 50%, transparent 51%),
    linear-gradient(90deg, transparent 49%, rgba(255, 255, 255, 0.03) 50%, transparent 51%);
  background-size: 100% 100%, 100% 100%, 100% 100%, 100% 100%, 100% 100%, 50px 50px, 50px 50px;
  pointer-events: none;
  border-radius: var(--radius-card);
}

/* Initial state - both sides visible for 3D flip effect */
.card .card-back {
  display: flex;
}

.card .card-front {
  display: block;
}

/* Non-animating cards: hide back to show only front */
.card:not(.card-flip-animation) .card-back {
  display: none;
}

/* During flip animation - show both for 3D effect */
.card.card-flip-animation .card-back {
  display: flex;
}

.card.card-flip-animation .card-front {
  display: block;
}

/* Prevent 3D hover effects from interfering with card draw animation */
.card-draw-animation-single.card-3d-hover,
.card-draw-animation-comparison.card-3d-hover {
  /* Reset 3D hover variables during draw animation */
  --rotate-x: 0deg !important;
  --rotate-y: 0deg !important;
  /* Let the animation handle the transform */
  transform: unset !important;
}

/* Card stacking effect for multiple cards */
.card-draw-staggered {
  animation-delay: 0.2s;
}

/* Deck position shadow effect */
.card-draw-enter::before {
  opacity: 0.3;
}

/* Ensure smooth transition back to normal state after animation */
.card-draw-complete {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  /* Re-enable pointer events after animation */
  pointer-events: auto;
}

/* Enhanced shadow during draw for depth perception */
.card-draw-animation-single,
.card-draw-animation-comparison {
  /* Maintain enhanced shadows during animation */
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4), 0 12px 24px rgba(0, 0, 0, 0.25);
}

/* Mobile optimizations for card draw */
@media (max-width: 768px) {
  @keyframes cardDrawSingle {
    0% {
      transform: translate(30vw, -100vh) rotate(6deg) scale(0.25);
      opacity: 0;
    }
    40% {
      transform: translate(5vw, -15vh) rotate(-2deg) scale(0.6);
      opacity: 0.8;
    }
    70% {
      transform: translate(-2vw, 0) rotate(0.5deg) scale(var(--single-card-scale));
      opacity: 1;
    }
    85% {
      transform: translate(0, -0.5vh) rotate(-0.3deg) scale(calc(var(--single-card-scale) * 1.01));
    }
    100% {
      transform: translate(0, 0) rotate(0deg) scale(var(--single-card-scale));
      opacity: 1;
    }
  }

  @keyframes cardDrawComparison {
    0% {
      transform: translate(20vw, -100vh) rotate(5deg) scale(0.15);
      opacity: 0;
    }
    40% {
      transform: translate(3vw, -10vh) rotate(-2deg) scale(0.4);
      opacity: 0.8;
    }
    70% {
      transform: translate(-1vw, 0) rotate(0.5deg) scale(var(--comparison-card-scale));
      opacity: 1;
    }
    85% {
      transform: translate(0, -0.3vh) rotate(-0.2deg) scale(calc(var(--comparison-card-scale) * 1.01));
    }
    100% {
      transform: translate(0, 0) rotate(0deg) scale(var(--comparison-card-scale));
      opacity: 1;
    }
  }
}

/* ===========================
   FOOTER - FIXED POSITIONING
=========================== */
/* Footer moved to card hover effects section above */

/* Player labels above cards */
.player-label {
    text-align: center;
    margin-bottom: clamp(10px, 2vh, 18px);
    color: white;
    font-size: clamp(1.2rem, 4vw, 1.8rem);
    font-family: var(--font-title);
    font-weight: 700;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
    background: rgba(0, 0, 0, 0.3);
    padding: clamp(8px, 2vh, 12px) clamp(16px, 4vw, 24px);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Card Comparison */
.cards-comparison {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    margin-bottom: clamp(15px, 4vh, 25px);
    gap: clamp(20px, 5vw, 40px);
    flex-wrap: wrap;
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    /* Add perspective for comparison cards 3D effect */
    perspective: var(--card-perspective);
    perspective-origin: center center;
}

.card-with-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
}

/* Comparison cards inherit all fixed positioning from base .card styles */

.vs-section {
    text-align: center;
    min-width: clamp(60px, 15vw, 100px);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.vs-text {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: bold;
    color: white;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
    margin-bottom: clamp(10px, 3vh, 20px);
    font-family: var(--font-title);
    letter-spacing: 2px;
}

.result-text {
    font-size: clamp(1rem, 3vw, 1.5rem);
    font-weight: bold;
    padding: clamp(10px, 2vh, 15px) clamp(15px, 4vw, 25px);
    border-radius: 50px;
    color: white;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    transition: var(--transition-smooth);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.result-text.winner {
    background: linear-gradient(135deg, var(--bg-success) 0%, #38a169 100%);
    box-shadow: 0 8px 20px rgba(72, 187, 120, 0.4);
    animation: celebrate 1s ease-out;
}

.result-text.tie {
    background: linear-gradient(135deg, var(--bg-warning) 0%, #d69e2e 100%);
    box-shadow: 0 8px 20px rgba(237, 137, 54, 0.4);
}

@keyframes celebrate {
    0% { transform: scale(0.8); opacity: 0; }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

.instructions {
    text-align: center;
    margin-bottom: clamp(15px, 4vh, 25px);
    padding: clamp(10px, 2vh, 20px);
}

.instructions p {
    font-size: clamp(1.1rem, 3.5vw, 1.4rem);
    color: white;
    font-weight: 600;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.5);
    background: rgba(0, 0, 0, 0.2);
    padding: clamp(12px, 3vh, 20px) clamp(20px, 5vw, 40px);
    border-radius: 50px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: inline-block;
}

.result-actions {
    text-align: center;
}

/* Game Over Screen */
.game-over-content {
    text-align: center;
    background: white;
    padding: 60px 40px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    max-width: 500px;
}

.game-over-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #333;
}

.game-over-content h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: #667eea;
    font-weight: bold;
}

.final-stats {
    margin: 30px 0;
    padding: 20px;
    background: #f8f9ff;
    border-radius: 10px;
}

.final-stats p {
    color: #666;
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Loading */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(102, 126, 234, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    color: white;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-top: 5px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

.loading p {
    font-size: 1.2rem;
    font-weight: 600;
}

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

/* Responsive Design - Scaling Adjustments Only */
@media (max-width: 1200px) {
    :root {
        /* Adjust scaling for medium screens */
        --comparison-available-width: calc((100vw - 100px) / 2);
        --comparison-scale-by-width: calc(var(--comparison-available-width) / var(--card-base-width));
        --comparison-card-scale: min(var(--comparison-scale-by-width), var(--comparison-scale-by-height), 0.75);
    }
    
    .cards-comparison {
        gap: 30px;
    }
}

@media (max-width: 768px) {
    :root {
        /* Mobile scaling adjustments - reduced UI spacing for better card positioning */
        --ui-spacing: 60px; /* Reduced from 100px to 60px for better vertical space usage */
        --mobile-browser-ui: 20px; /* Account for mobile browser UI (address bar, etc.) */
        --single-scale-by-height: calc(var(--available-height) / var(--card-base-height));
        --single-scale-by-width: calc((100vw - 20px) / var(--card-base-width));
        --single-card-scale: min(var(--single-scale-by-height), var(--single-scale-by-width), 0.9);
        
        --comparison-available-height: calc(100vh - var(--header-height) - 120px - var(--mobile-browser-ui)); /* Account for mobile UI */
        --comparison-available-width: calc(100vw - 40px);
        --comparison-scale-by-width: calc(var(--comparison-available-width) / var(--card-base-width));
        --comparison-scale-by-height: calc(var(--comparison-available-height) / var(--card-base-height));
        --comparison-card-scale: min(var(--comparison-scale-by-width), var(--comparison-scale-by-height), 0.8);
    }
    
    .cards-comparison {
        flex-direction: column;
        gap: 25px;
        align-items: center;
    }
    
    .vs-section {
        order: 2;
        margin: 20px 0;
    }
    
    .card-with-label:first-child {
        order: 1;
    }
    
    .card-with-label:last-child {
        order: 3;
    }
    
    .welcome-content, .game-over-content {
        padding: 40px 30px;
        margin: 0 10px;
    }
    
    .player-info {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
    
    .game-content {
        padding: 15px 15px 25px 15px; /* Reduced top padding for better card positioning */
    }
    
    .card-container {
        margin-bottom: clamp(10px, 2vh, 15px); /* Reduced bottom margin on mobile */
    }
    
    .instructions {
        margin-bottom: clamp(10px, 2vh, 15px); /* Reduced instruction margin on mobile */
        padding: clamp(8px, 1.5vh, 15px); /* Reduced instruction padding on mobile */
    }
}

@media (max-width: 480px) {
    :root {
        /* Extra small mobile scaling - optimized for very small screens */
        --ui-spacing: 50px; /* Further reduced from 80px to 50px */
        --mobile-browser-ui: 30px; /* More aggressive mobile browser UI compensation */
        --single-scale-by-width: calc((100vw - 10px) / var(--card-base-width));
        --single-card-scale: min(var(--single-scale-by-height), var(--single-scale-by-width), 0.8);
        
        --comparison-available-width: calc(100vw - 20px);
        --comparison-scale-by-width: calc(var(--comparison-available-width) / var(--card-base-width));
        --comparison-card-scale: min(var(--comparison-scale-by-width), var(--comparison-scale-by-height), 0.7);
    }
    
    .screen {
        padding: 5px;
    }
    
    .game-header {
        padding: 10px 15px; /* Further reduced padding for extra small screens */
    }
}

@media (orientation: landscape) and (max-height: 600px) {
    :root {
        /* Landscape scaling adjustments */
        --available-height: calc(100vh - var(--header-height) - 60px);
        --single-scale-by-height: calc(var(--available-height) / var(--card-base-height));
        --single-card-scale: min(var(--single-scale-by-height), var(--single-scale-by-width), 0.85);
        
        --comparison-available-height: calc(100vh - var(--header-height) - 80px);
        --comparison-scale-by-height: calc(var(--comparison-available-height) / var(--card-base-height));
        --comparison-card-scale: min(var(--comparison-scale-by-width), var(--comparison-scale-by-height), 0.7);
    }
    
    .cards-comparison {
        flex-direction: row;
        gap: 20px;
    }
    
    .vs-section {
        order: initial;
    }
    
    .card-with-label:first-child,
    .card-with-label:last-child {
        order: initial;
    }
}

/* ===========================
   DECK VISUALIZATION
=========================== */
.deck-container {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.deck-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 1px;
    background: rgba(255, 255, 255, 0.9);
    padding: 4px 12px;
    border-radius: 12px;
    border: 1px solid rgba(102, 126, 234, 0.2);
    text-align: center;
    min-width: 80px;
}

.deck-stack {
    position: relative;
    width: 60px;
    height: 84px; /* Maintains card aspect ratio (400:600 = 60:84) */
    perspective: 800px;
    perspective-origin: center center;
}

.deck-card {
    position: absolute;
    width: 60px;
    height: 84px;
    background: var(--grad-card);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8px;
    font-weight: bold;
    color: var(--text-light);
    text-align: center;
    line-height: 1.2;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    transform-style: preserve-3d;
}

/* Stack positioning - each card slightly offset for 3D effect */
.deck-card:nth-child(1) {
    transform: translateZ(0px) translateX(0px) translateY(0px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    z-index: 1;
}

.deck-card:nth-child(2) {
    transform: translateZ(-2px) translateX(-1px) translateY(1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 2;
}

.deck-card:nth-child(3) {
    transform: translateZ(-4px) translateX(-2px) translateY(2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
    z-index: 3;
}

.deck-card:nth-child(4) {
    transform: translateZ(-6px) translateX(-3px) translateY(3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    z-index: 4;
}

.deck-card:nth-child(5) {
    transform: translateZ(-8px) translateX(-4px) translateY(4px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
    z-index: 5;
}

/* Card back design - same as flip animation */
.deck-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 8px;
    z-index: 1;
}

.deck-card::after {
    content: 'ST';
    position: relative;
    z-index: 2;
    font-size: 10px;
    font-weight: bold;
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* Hover effect for deck */
.deck-stack:hover .deck-card {
    transform: scale(1.05);
}

.deck-stack:hover .deck-card:nth-child(1) {
    transform: translateZ(2px) translateX(1px) translateY(-1px) scale(1.05);
}

.deck-stack:hover .deck-card:nth-child(2) {
    transform: translateZ(0px) translateX(0px) translateY(0px) scale(1.05);
}

.deck-stack:hover .deck-card:nth-child(3) {
    transform: translateZ(-2px) translateX(-1px) translateY(1px) scale(1.05);
}

.deck-stack:hover .deck-card:nth-child(4) {
    transform: translateZ(-4px) translateX(-2px) translateY(2px) scale(1.05);
}

.deck-stack:hover .deck-card:nth-child(5) {
    transform: translateZ(-6px) translateX(-3px) translateY(3px) scale(1.05);
}

/* Animation for card leaving deck */
.deck-card.leaving {
    animation: cardLeaving 0.8s ease-in-out forwards;
    z-index: 10;
}

@keyframes cardLeaving {
    0% {
        transform: translateZ(2px) translateX(1px) translateY(-1px) scale(1.05);
        opacity: 1;
    }
    30% {
        transform: translateZ(10px) translateX(20px) translateY(-10px) scale(1.1) rotate(5deg);
        opacity: 0.9;
    }
    70% {
        transform: translateZ(20px) translateX(100px) translateY(-30px) scale(0.8) rotate(15deg);
        opacity: 0.5;
    }
    100% {
        transform: translateZ(30px) translateX(200px) translateY(-50px) scale(0.3) rotate(25deg);
        opacity: 0;
    }
}

/* Animation for deck size changes */
.deck-stack {
    transition: transform 0.3s ease;
}

.deck-card.entering {
    animation: cardEntering 0.5s ease-out forwards;
}

@keyframes cardEntering {
    0% {
        transform: translateZ(-20px) translateX(-10px) translateY(10px) scale(0.8);
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

/* Responsive adjustments for deck */
@media (max-width: 768px) {
    .deck-container {
        top: 15px;
        right: 15px;
        scale: 0.9;
    }
    
    .deck-label {
        font-size: 10px;
        padding: 3px 8px;
        min-width: 70px;
    }
    
    .deck-stack {
        width: 50px;
        height: 70px;
    }
    
    .deck-card {
        width: 50px;
        height: 70px;
        border-radius: 6px;
    }
    
    .deck-card::after {
        font-size: 8px;
    }
}

@media (max-width: 480px) {
    .deck-container {
        top: 10px;
        right: 10px;
        scale: 0.8;
    }
    
    .deck-label {
        font-size: 9px;
        padding: 2px 6px;
        min-width: 60px;
    }
}

/* Hide deck on welcome and rotate screens */
#welcome-screen .deck-container,
#rotate-screen .deck-container,
#game-over-screen .deck-container {
    display: none;
}