:root {
  --primary-color: #4A90E2;
  --secondary-color: #50E3C2;
  --danger-color: #E94B4B;
  --success-color: #7ED321;
  --warning-color: #F5A623;
  --text-primary: #2C3E50;
  --text-secondary: #7F8C8D;
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8F9FA;
  --border-color: #E1E8ED;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
}

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

html, body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Prevent pull-to-refresh and overscroll */
  overscroll-behavior: none;
  /* Prevent text selection on mobile */
  -webkit-user-select: none;
  user-select: none;
  /* Prevent double-tap zoom */
  touch-action: pan-x pan-y;
}

/* Allow text selection in specific areas */
input, textarea {
  -webkit-user-select: text;
  user-select: text;
}

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.hidden {
  display: none !important;
}

/* Typography */
h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
  text-align: center;
}

h2 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow);
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background-color: #3A7BC8;
}

.btn-secondary {
  background-color: var(--secondary-color);
  color: white;
}

.btn-success {
  background-color: var(--success-color);
  color: white;
}

.btn-danger {
  background-color: var(--danger-color);
  color: white;
}

.btn-warning {
  background-color: var(--warning-color);
  color: white;
}

.btn-warning:hover {
  background-color: #D4921B;
}

.btn-large {
  padding: 16px 32px;
  font-size: 1.25rem;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

input[type="text"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 12px;
  font-size: 1rem;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  transition: border-color 0.3s ease;
  font-family: inherit;
  background-color: white;
}

input[type="text"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary-color);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

/* Cards */
.card {
  background-color: var(--bg-primary);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

/* Game Screens */
.logo {
  width: 120px;
  height: 120px;
  margin-bottom: 2rem;
  animation: float 3s ease-in-out infinite;
}

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

.welcome-screen {
  text-align: center;
}

.welcome-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

/* Mode selection screen */
.mode-select-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.mode-card {
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.mode-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.mode-card h3 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.mode-card p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.mode-card ul {
  list-style: none;
  padding-left: 0;
}

.mode-card li {
  padding: 0.25rem 0;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.mode-card li::before {
  content: "✓ ";
  color: var(--success-color);
  font-weight: bold;
  margin-right: 0.5rem;
}

.room-code {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: 0.5rem;
  margin: 1rem 0;
}

.players-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 2rem 0;
  width: 100%;
  max-width: 400px;
}

/* Use grid layout on larger screens */
@media (min-width: 768px) {
  .players-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    max-width: 800px;
  }
}

.player-card {
  background-color: var(--bg-primary);
  padding: 1rem;
  border-radius: 8px;
  text-align: center;
  box-shadow: var(--shadow);
  position: relative;
  cursor: move;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  user-select: none;
  -webkit-user-select: none;
  /* Allow scrolling but prevent zoom */
  touch-action: pan-y;
}

/* Draggable cards need different touch handling */
.player-card.draggable {
  /* Prevent all default touch actions when draggable */
  touch-action: none;
}

.player-card.dragging {
  opacity: 0.9;
  transform: scale(1.05);
  cursor: grabbing;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.player-card.drag-over {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}



/* Placeholder for touch drag */
.player-card-placeholder {
  background: var(--bg-secondary);
  border: 2px dashed var(--primary-color);
  border-radius: 0.5rem;
  margin: 0.5rem 0;
  transition: all 0.2s;
}

.player-card.host::after {
  content: '👑';
  position: absolute;
  top: -10px;
  right: -10px;
  font-size: 1.5rem;
}

.player-card.draggable:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.player-card.disconnected {
  opacity: 0.6;
  background-color: var(--bg-secondary);
  border: 2px dashed var(--danger-color);
}

.player-name {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.player-score {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.question-display {
  background-color: var(--bg-primary);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  max-width: 600px;
  width: 100%;
  text-align: center;
  margin: 2rem 0;
}

.question-word {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.timer {
  display: inline-block;
  background-color: var(--warning-color);
  color: white;
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: 600;
  margin-bottom: 1rem;
}

.timer.danger {
  background-color: var(--danger-color);
  animation: pulse 1s ease-in-out infinite;
}

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

.answers-grid {
  display: grid;
  gap: 1rem;
  margin: 2rem 0;
  max-width: 800px;
  width: 100%;
}

.answer-option {
  background-color: var(--bg-primary);
  padding: 1.5rem;
  border-radius: 8px;
  border: 2px solid var(--border-color);
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: left;
}

.answer-option:hover {
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.answer-option.selected {
  border-color: var(--primary-color);
  background-color: rgba(74, 144, 226, 0.1);
}

.answer-option.correct {
  border-color: var(--success-color);
  background-color: rgba(126, 211, 33, 0.1);
}

.answer-option.incorrect {
  border-color: var(--danger-color);
  background-color: rgba(233, 75, 75, 0.1);
}

.vote-count {
  display: inline-block;
  background-color: var(--primary-color);
  color: white;
  padding: 4px 12px;
  border-radius: 16px;
  font-size: 0.875rem;
  margin-left: 8px;
}

.scoreboard {
  width: 100%;
  max-width: 600px;
  margin: 2rem 0;
}

.score-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background-color: var(--bg-primary);
  border-radius: 8px;
  margin-bottom: 0.5rem;
  box-shadow: var(--shadow);
}

.score-row.winner {
  background-color: rgba(126, 211, 33, 0.1);
  border: 2px solid var(--success-color);
}

.rank {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-right: 1rem;
}

.loading-spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 4px solid var(--border-color);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Game Board */
.game-board-container {
  width: 100%;
  max-width: 1000px;
  margin: 2rem auto;
  padding: 1rem;
}

.game-board {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 4px;
  background-color: var(--border-color);
  padding: 4px;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  max-width: 800px;
  margin: 0 auto;
}

.board-tile {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  position: relative;
  font-weight: 600;
  transition: transform 0.2s ease;
}

.board-tile.home {
  background-color: #F5F5F5;
  border: 2px solid var(--text-secondary);
}

/* Tabletop mode styles */
.vote-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.vote-letter {
  padding: 1.5rem;
  font-size: 1.2rem;
  font-weight: bold;
  border: 2px solid var(--border-color);
  transition: all 0.3s ease;
}

.vote-letter:hover {
  border-color: var(--primary-color);
  transform: scale(1.05);
}

.answer-card {
  position: relative;
  padding: 1.5rem;
}

.answer-card h4 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.waiting-status {
  margin: 2rem 0;
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: 8px;
}

.waiting-status p {
  margin: 0.5rem 0;
}

.board-tile.red {
  background-color: #E94B4B;
  color: white;
}

.board-tile.blue {
  background-color: #4A90E2;
  color: white;
}

.board-tile.green {
  background-color: #7ED321;
  color: white;
}

.board-tile.jump {
  background: linear-gradient(135deg, var(--warning-color) 0%, var(--warning-color) 50%, rgba(0,0,0,0.2) 50%, rgba(0,0,0,0.2) 100%);
  color: white;
  font-size: 1.2rem;
  box-shadow: 0 0 0 2px white inset;
}

.tile-number {
  font-size: 0.9rem;
  position: absolute;
  top: 2px;
  right: 4px;
  opacity: 0.7;
}

.player-piece {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  font-weight: bold;
  color: white;
  transition: all 0.3s ease;
  box-shadow: 0 2px 4px rgba(0,0,0,0.3);
  z-index: 10;
  flex-shrink: 0;
}

.player-pieces-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1px;
  padding: 2px;
}

/* Handle tiles with many players */
.player-pieces-container.many-players {
  gap: 0px;
}

.player-pieces-container.many-players .player-piece {
  width: 20px;
  height: 20px;
  font-size: 0.5rem;
  border-width: 1px;
}

/* Player colors */
.player-piece.player-0 { background-color: #E91E63; }
.player-piece.player-1 { background-color: #9C27B0; }
.player-piece.player-2 { background-color: #3F51B5; }
.player-piece.player-3 { background-color: #009688; }
.player-piece.player-4 { background-color: #FF9800; }
.player-piece.player-5 { background-color: #795548; }
.player-piece.player-6 { background-color: #607D8B; }
.player-piece.player-7 { background-color: #000000; }

/* Responsive */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  
  .room-code {
    font-size: 2.5rem;
  }
  
  .question-word {
    font-size: 2rem;
  }
  
  .players-list {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
  
  .game-board {
    grid-template-columns: repeat(8, 1fr);
  }
  
  .player-piece {
    width: 18px;
    height: 18px;
    font-size: 0.5rem;
  }
  
  .player-pieces-container.many-players .player-piece {
    width: 16px;
    height: 16px;
    font-size: 0.4rem;
  }
}

/* Burger menu */
.burger-menu-container {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1001;
}

.burger-menu-btn {
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  border: 2px solid white;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  padding: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.burger-menu-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.burger-menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: white;
  transition: all 0.3s ease;
}

.menu-dropdown {
  position: absolute;
  top: 50px;
  left: 0;
  min-width: 200px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  overflow: hidden;
}

.menu-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.menu-item {
  padding: 12px 16px;
  cursor: pointer;
  transition: background 0.2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
  font-size: 1rem;
}

.menu-item:hover {
  background: var(--bg-secondary);
}

.menu-divider {
  height: 1px;
  background: var(--bg-secondary);
  margin: 4px 0;
}

.menu-info {
  padding: 12px 16px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  background: var(--bg-secondary);
}

/* Toggle view button */
.btn-toggle-view {
  position: fixed;
  top: 1rem;
  right: 1rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary-color);
  color: white;
  border: 2px solid white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 1000;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-toggle-view:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.btn-toggle-view:active {
  transform: scale(0.95);
}

/* Update mobile styles for toggle button and burger menu */
@media (max-width: 768px) {
  .btn-toggle-view {
    width: 45px;
    height: 45px;
    font-size: 1.3rem;
    top: 0.5rem;
    right: 0.5rem;
  }
  
  .burger-menu-container {
    top: 0.5rem;
    left: 0.5rem;
  }
  
  .burger-menu-btn {
    width: 36px;
    height: 36px;
  }
  
  .burger-menu-btn span {
    width: 18px;
  }
  
  .menu-dropdown {
    top: 45px;
    font-size: 0.95rem;
  }
}