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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 10px;
  color: #333;
}

.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 20px;
}

.screen {
  display: none;
}

.screen.active {
  display: block;
  animation: fadeIn 0.3s ease-in;
}

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

h1 {
  color: white;
  text-align: center;
  font-size: 2.5em;
  margin-bottom: 10px;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

h2 {
  color: white;
  text-align: center;
  margin-bottom: 20px;
}

h3 {
  color: white;
  margin: 20px 0 10px;
}

.subtitle {
  text-align: center;
  color: rgba(255,255,255,0.9);
  margin-bottom: 30px;
  font-size: 1.1em;
}

.join-form {
  background: white;
  border-radius: 15px;
  padding: 25px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  margin-bottom: 20px;
}

input[type="text"],
textarea {
  width: 100%;
  padding: 15px;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  font-size: 16px;
  margin-bottom: 20px;
  transition: border-color 0.3s;
}

input[type="text"]:focus,
textarea:focus {
  outline: none;
  border-color: #667eea;
}

.label {
  font-weight: 600;
  color: #555;
  margin-bottom: 10px;
  font-size: 1.1em;
}

.role-selection {
  margin-bottom: 20px;
}

.role-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-top: 10px;
}

.player-join-btn {
  padding: 25px 20px;
  border: 3px solid #e0e0e0;
  background: white;
  border-radius: 15px;
  cursor: pointer;
  transition: all 0.3s;
  text-align: center;
}

.player-join-btn:hover {
  border-color: #667eea;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.player-join-btn:active {
  transform: scale(0.95);
}

.player-join-btn.taken {
  background: #f0f0f0;
  border-color: #ccc;
  position: relative;
}

.player-join-btn.taken::after {
  content: '✓ Taken';
  position: absolute;
  top: 10px;
  right: 10px;
  background: #dc3545;
  color: white;
  padding: 2px 8px;
  border-radius: 5px;
  font-size: 0.75em;
  font-weight: 600;
}

.player-name {
  font-size: 1.5em;
  font-weight: 700;
  color: #667eea;
  margin-bottom: 5px;
}

.player-subtitle {
  font-size: 0.9em;
  color: #999;
  font-weight: 500;
}

.btn {
  width: 100%;
  padding: 15px;
  border: none;
  border-radius: 10px;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  margin-bottom: 10px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.btn-primary:not(:disabled):active {
  transform: scale(0.97);
}

.btn-success {
  background: linear-gradient(135deg, #56ab2f 0%, #a8e063 100%);
  color: white;
}

.btn-success:not(:disabled):active {
  transform: scale(0.97);
}

.btn-secondary {
  background: linear-gradient(135deg, #f09819 0%, #ff512f 100%);
  color: white;
}

.btn-secondary:not(:disabled):active {
  transform: scale(0.97);
}

.host-players-online {
  margin-top: 20px;
  background: white;
  border-radius: 10px;
  padding: 15px;
}

.host-players-online h4 {
  color: #333;
  font-size: 1em;
  margin: 0 0 10px 0;
}

.host-player-status {
  display: flex;
  align-items: center;
  padding: 8px;
  margin: 5px 0;
  background: #f5f5f5;
  border-radius: 5px;
  font-size: 0.9em;
}

.host-player-status.online {
  border-left: 3px solid #56ab2f;
}

.host-player-status .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #56ab2f;
  margin-right: 8px;
}

.host-player-status .player-info {
  flex: 1;
  color: #333;
  font-weight: 600;
}

.players-waiting {
  background: white;
  border-radius: 15px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  margin-bottom: 20px;
}

.players-waiting h3 {
  color: #333;
  margin-top: 0;
}

#playersList {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.player-item {
  background: #f5f5f5;
  padding: 12px;
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.player-name {
  font-weight: 600;
  color: #333;
}

.player-role {
  font-size: 0.9em;
  color: #666;
  background: #e0e0e0;
  padding: 4px 8px;
  border-radius: 5px;
}

#hostControls {
  background: rgba(255,255,255,0.2);
  padding: 15px;
  border-radius: 10px;
  text-align: center;
}

.question-header {
  background: white;
  border-radius: 15px;
  padding: 15px;
  margin-bottom: 20px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.progress-info {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
  color: #667eea;
}

.question-card {
  background: white;
  border-radius: 15px;
  padding: 25px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  margin-bottom: 20px;
}

.question-meta {
  text-align: center;
  color: #764ba2;
  font-weight: 600;
  margin-bottom: 15px;
  font-size: 1.1em;
}

.question-card h2 {
  color: #333;
  font-size: 1.5em;
  margin-bottom: 25px;
}

.options {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.option-btn {
  padding: 15px;
  border: 2px solid #e0e0e0;
  background: white;
  border-radius: 10px;
  font-size: 16px;
  cursor: pointer;
  text-align: left;
  transition: all 0.3s;
}

.option-btn:active {
  transform: scale(0.98);
}

.option-btn.selected {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-color: transparent;
}

.option-key {
  display: inline-block;
  width: 30px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  background: #f0f0f0;
  border-radius: 50%;
  margin-right: 10px;
  font-weight: 600;
}

.option-btn.selected .option-key {
  background: rgba(255,255,255,0.3);
  color: white;
}

.waiting-text {
  text-align: center;
  color: #56ab2f;
  font-weight: 600;
  font-size: 1.1em;
  margin-top: 15px;
}

#hostQuestionControls,
#hostRevealControls,
#hostResultControls {
  background: rgba(255,255,255,0.2);
  padding: 20px;
  border-radius: 15px;
  margin-top: 20px;
}

#hostQuestionControls h3 {
  margin-top: 0;
}

#answersReceived {
  background: white;
  border-radius: 10px;
  padding: 15px;
  margin-top: 10px;
}

.answer-status {
  padding: 8px;
  margin: 5px 0;
  background: #f5f5f5;
  border-radius: 5px;
  color: #333;
}

#answersDisplay {
  background: white;
  border-radius: 15px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.answer-item {
  padding: 15px;
  margin: 10px 0;
  background: #f5f5f5;
  border-radius: 10px;
  border-left: 4px solid #667eea;
}

.answer-player {
  font-weight: 600;
  color: #764ba2;
  margin-bottom: 5px;
}

.answer-text {
  color: #333;
  font-size: 1.1em;
}

.score-buttons {
  margin-top: 10px;
  display: flex;
  gap: 10px;
}

.score-btn {
  flex: 1;
  padding: 8px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-weight: 600;
}

.score-btn.correct {
  background: #56ab2f;
  color: white;
}

.score-btn.incorrect {
  background: #dc3545;
  color: white;
}

#finalScores {
  background: white;
  border-radius: 15px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.score-item {
  padding: 15px;
  margin: 10px 0;
  background: #f5f5f5;
  border-radius: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.1em;
}

.score-item.winner {
  background: linear-gradient(135deg, #56ab2f 0%, #a8e063 100%);
  color: white;
  font-weight: 600;
}

.score-value {
  font-size: 1.5em;
  font-weight: 700;
}

/* Mobile optimizations */
@media (max-width: 480px) {
  body {
    padding: 5px;
  }

  .container {
    padding: 10px;
  }

  h1 {
    font-size: 2em;
  }

  .join-form {
    padding: 20px;
  }

  .role-buttons {
    grid-template-columns: 1fr;
  }
}

/* Prevent zoom on input focus on iOS */
@media screen and (-webkit-min-device-pixel-ratio: 0) {
  select,
  textarea,
  input {
    font-size: 16px;
  }
}