:root {
  /* Modern Dark Color Palette */
  --main-background-color: #0d1117;
  --secondary-background: #161b22;
  --card-background: #21262d;
  --primary-text: #f0f6fc;
  --secondary-text: #8b949e;
  --accent-blue: #58a6ff;
  --accent-purple: #a5a2ff;
  --accent-cyan: #39d0d8;
  --accent-green: #7ee787;
  --accent-orange: #ffa657;
  --accent-pink: #f85149;
  --success-color: #238636;
  --warning-color: #d29922;
  --error-color: #da3633;
  --active-player: #58a6ff;
  --highlight-glow: rgba(88, 166, 255, 0.15);
  --border-color: #30363d;
  --shadow-dark: rgba(0, 0, 0, 0.4);
  --gradient-primary: linear-gradient(135deg, #58a6ff, #a5a2ff);
  --gradient-success: linear-gradient(135deg, #7ee787, #39d0d8);
  --gradient-winner: linear-gradient(135deg, #ffa657, #f85149);

  /* fonts */
  --main-font-type: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --Player-names-font-fredericka-the-great: "Fredericka the Great";
  --font-bangers: "Bangers";
  --font-header: "Space Grotesk", "Rubik Moonrocks", monospace;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  background-color: var(--main-background-color);
  text-align: center;
}

body {
  color: var(--primary-text);
  min-height: 100vh;
  padding-bottom: 80px;
  font-family: var(--main-font-type);
  background: radial-gradient(ellipse at top, var(--secondary-background) 0%, var(--main-background-color) 70%);
  position: relative;
  display: flex;
  flex-direction: column;
}

/* Main layout */
.game-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  padding: 1rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.info-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  max-width: 80%;
}

.game-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  width: 100%;
  max-width: 80%;
}

.player-names {
  display: flex;
  gap: 1rem;
  width: 100%;
  justify-content: center;
  flex-wrap: nowrap;
}

.dice-controls {
  display: flex;
  gap: 2rem;
  justify-content: center;
}

.dice-display {
  display: flex;
  justify-content: center;
  align-items: center;
}

.scores-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  background: var(--card-background);
  border-radius: 20px;
  padding: 2rem;
  border: 1px solid var(--border-color);
  box-shadow: 0 8px 32px var(--shadow-dark);
  max-width: 800px;
  width: 100%;
}

.player-names-display {
  display: flex;
  justify-content: space-around;
  width: 100%;
  gap: 2rem;
  margin-bottom: 0.5rem;
}

.player-name-label {
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 1;
}

.player-name-label h2 {
  font-size: clamp(1.2rem, 3.5vw, 1.8rem);
  color: var(--accent-cyan);
  font-weight: 700;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.player-name-label h2.player-highlighted {
  color: var(--accent-blue);
  text-shadow: 0 0 12px rgba(20, 26, 33, 0.6);
  transform: scale(1.05);
}

.score-display,
.turn-display {
  display: flex;
  justify-content: space-around;
  width: 100%;
  gap: 2rem;
}

.player-score,
.player-turn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 80%, rgba(88, 166, 255, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(165, 162, 255, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* Base styles for all screen sizes */
a:link,
a:visited,
a:hover,
a:active {
  text-decoration: none;
}

/* Mobile First Approach - Base styles for mobile */
h1 {
  font-size: clamp(1.2rem, 4vw, 2rem);
  font-family: var(--font-header);
  margin: 1rem 0 0.5rem 0;
  padding: 0 1rem;
  line-height: 1.2;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  letter-spacing: -0.02em;
}

/* Pig characters image */
.pig-characters-image {
  width: clamp(120px, 25vw, 200px);
  height: auto;
  margin: 0.5rem auto 1.5rem auto;
  display: block;
}


h2 {
  font-size: clamp(1rem, 3.5vw, 1.8rem);
  margin: 0.5rem 0;
  color: var(--primary-text);
  font-weight: 600;
}

h3 {
  font-size: clamp(0.9rem, 2.5vw, 1.2rem);
  margin: 0.5rem 0;
  color: var(--secondary-text);
  font-weight: 500;
}

/* Container adjustments */

/* Input styling */
input.playernames {
  width: calc(100% - 0.5rem);
  min-width: 180px;
  border: 2px solid var(--border-color);
  background: var(--card-background);
  backdrop-filter: blur(10px);
  resize: none;
  outline: none;
  font-family: var(--Player-names-font-fredericka-the-great);
  font-size: 0.9rem;
  color: var(--primary-text);
  text-align: center;
  padding: 0.75rem 0.25rem;
  border-radius: 12px;
  margin: 0.25rem;
  box-sizing: border-box;
  display: block;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px var(--shadow-dark);
}

input.playernames::placeholder {
  color: var(--secondary-text);
}

input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px var(--highlight-glow), 0 4px 12px var(--shadow-dark);
  transform: translateY(-1px);
}

/* Button styling */
.btn {
  font-size: clamp(0.8rem, 3vw, 1.2rem);
  padding: 0.75rem 1.5rem;
  margin: 0.5rem;
  border-radius: 12px;
  font-weight: 600;
  min-height: 48px;
  min-width: 80px;
  touch-action: manipulation;
  border: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s;
}

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

.btn-outline-light {
  background: var(--card-background);
  color: var(--primary-text);
  border: 2px solid var(--border-color);
  box-shadow: 0 2px 8px var(--shadow-dark);
}

.btn-outline-light:hover {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(88, 166, 255, 0.3);
}

.btn-outline-success {
  background: var(--gradient-success);
  color: var(--main-background-color);
  border: none;
  box-shadow: 0 2px 8px var(--shadow-dark);
}

.btn-outline-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(126, 231, 135, 0.3);
}

.btn-outline-warning {
  background: var(--accent-orange);
  color: var(--main-background-color);
  border: none;
  box-shadow: 0 2px 8px var(--shadow-dark);
}

.btn-outline-warning:hover {
  background: var(--warning-color);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 166, 87, 0.3);
}

.btn-outline-info {
  background: var(--accent-cyan);
  color: var(--main-background-color);
  border: none;
  box-shadow: 0 2px 8px var(--shadow-dark);
}

.btn-outline-info:hover {
  background: var(--accent-blue);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(57, 208, 216, 0.3);
}

#newGame-button {
  margin: 2rem auto;
  font-size: clamp(1rem, 3.5vw, 1.4rem);
}

.set-names-button {
  font-size: clamp(0.7rem, 2.5vw, 1rem);
  margin-bottom: 1rem;
}

/* Dice styling */
.dice-image {
  width: clamp(60px, 15vw, 120px);
  height: auto;
  margin: 2vh auto;
  border-radius: 16px;
  box-shadow: 
    0 8px 32px var(--shadow-dark),
    0 0 0 1px var(--border-color);
  filter: brightness(1.1) contrast(1.05);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dice-image:hover {
  transform: scale(1.05) rotate(2deg);
  box-shadow: 
    0 12px 40px var(--shadow-dark),
    0 0 0 1px var(--accent-blue);
}

.dice-image-container {
  margin: 2vh auto;
  padding: 1rem;
  background: var(--card-background);
  border-radius: 20px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 16px var(--shadow-dark);
}


/* Player highlighting */
.player-highlighted {
  background: var(--gradient-primary);
  color: var(--main-background-color);
  border-radius: 12px;
  padding: 0.25rem 0.5rem;
  transform: scale(1.05);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 16px rgba(88, 166, 255, 0.4);
  font-weight: 600;
}

/* Active player name highlighting */
input.playernames.player-highlighted {
  background: var(--accent-cyan);
  border-color: var(--accent-blue);
  color: var(--main-background-color);
  box-shadow: 0 0 0 3px rgba(65, 106, 56, 0.3), 0 4px 16px rgba(26, 123, 128, 0.4);
  transform: scale(1.03);
  font-weight: 700;
}

/* Winner message */
.winner h3 {
  background: var(--gradient-winner);
  padding: 1.5rem;
  margin: 1rem;
  color: var(--main-background-color);
  font-size: clamp(1rem, 4vw, 1.8rem);
  border: none;
  border-radius: 24px;
  box-shadow: 
    0 16px 64px rgba(255, 166, 87, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.1);
  animation: winnerPulse 2s infinite;
  font-weight: 700;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

@keyframes winnerPulse {
  0%, 100% { 
    transform: scale(1);
    box-shadow: 0 16px 64px rgba(255, 166, 87, 0.4);
  }
  50% { 
    transform: scale(1.02);
    box-shadow: 0 20px 80px rgba(255, 166, 87, 0.6);
  }
}

/* Details and summary */
summary {
  color: var(--accent-purple);
  font-size: clamp(0.7rem, 2vw, 0.9rem);
  cursor: pointer;
  padding: 0.75rem;
  margin: 0.5rem 0;
  background: var(--card-background);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

summary:hover {
  background: var(--secondary-background);
  border-color: var(--accent-purple);
}

details p {
  font-size: clamp(0.7rem, 2vw, 0.9rem);
  padding: 1rem;
  line-height: 1.6;
  background: var(--card-background);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  margin-top: 0.5rem;
  color: var(--secondary-text);
}

aside {
  margin: 1rem auto;
  padding: 0 1rem;
}

/* Google Form iframe */
iframe {
  width: min(100%, 640px);
  height: 400px;
  border-radius: 12px;
  margin: 1rem 0;
  border: 1px solid var(--border-color);
  box-shadow: 0 8px 32px var(--shadow-dark);
}

/* Links */
.summary-link,
.summary-link:active {
  text-decoration: inherit;
  background-color: transparent;
  color: var(--accent-cyan);
  font-weight: 500;
}

.summary-link:hover {
  text-decoration: inherit;
  color: var(--accent-blue);
}

/* Game hints */
.hints {
  margin-top: 3vh;
  font-size: clamp(0.8rem, 2.5vw, 1.1rem);
  padding: 1rem;
  line-height: 1.6;
  background: var(--card-background);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 16px var(--shadow-dark);
  color: var(--secondary-text);
}

/* Footer */
.footer {
  background: var(--card-background);
  color: var(--primary-text);
  font-size: clamp(0.7rem, 2vw, 0.9rem);
  padding: 8px 1.5rem;
  border-top: 1px solid var(--border-color);
  box-shadow: 0 -4px 16px var(--shadow-dark);
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  text-align: center;
}

.footer p,
.footer a {
  color: var(--primary-text);
  background-color: transparent;
}

.footer a:hover {
  color: var(--accent-blue);
}

/* Button size variant */
.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* Utility classes */
.hidden {
  visibility: hidden;
}

.disapper {
  display: none;
}

/* Tablet breakpoint */
@media only screen and (min-width: 576px) {
  input.playernames {
    padding: 0.75rem 0.25rem;
    min-width: 180px;
    font-size: 1rem;
  }
  
  .dice-controls {
    gap: 3rem;
  }
  
  iframe {
    height: 500px;
  }
}

/* Desktop breakpoint */
@media only screen and (min-width: 768px) {
  body {
    padding-bottom: 100px;
  }
  
  h1 {
    font-size: 3rem;
    margin: 2rem 0;
  }
  
  input.playernames {
    font-size: 1.2rem;
    padding: 1rem 0.5rem;
    min-width: 200px;
  }
  
  .btn {
    font-size: 1.4rem;
    padding: 1rem 2rem;
  }
  
  .dice-image {
    width: clamp(80px, 10vw, 150px);
  }
  
  .winner h3 {
    font-size: 2.2rem;
    max-width: 60%;
  }
  
  iframe {
    height: 600px;
  }
  
  .hints {
    font-size: 1.1rem;
  }
  
  .scores-section {
    padding: 3rem 2rem;
  }
}

/* Large desktop breakpoint */
@media only screen and (min-width: 1024px) {
  .game-container {
    gap: 3rem;
  }
  
  .winner h3 {
    font-size: 2.6rem;
    max-width: 50%;
  }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
  .btn {
    min-height: 52px;
    min-width: 100px;
    font-size: 1rem;
  }
  
  input {
    min-height: 48px;
    font-size: 1rem;
  }
  
  .dice-image {
    cursor: default;
  }
  
  .btn::before {
    display: none;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  input {
    border-width: 3px;
  }
  
  .btn {
    border-width: 2px;
  }
  
  .player-highlighted {
    border: 2px solid var(--main-background-color);
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .player-highlighted {
    transition: none;
    transform: none;
  }
  
  .winner h3 {
    animation: none;
  }
  
  .btn {
    transition: none;
  }
  
  .dice-image {
    transition: none;
  }
  
  input {
    transition: none;
  }
}