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

:root {
  --primary: #ffd700;
  --primary-dark: #b8860b;
  --secondary: #00d4ff;
  --accent: #ff6b9d;
  --bg-dark: #0d0d1a;
  --bg-card: #1a1a2e;
  --bg-elevated: #252540;
  --text-primary: #ffffff;
  --text-secondary: #b0b0c0;
  --success: #4ade80;
  --warning: #fbbf24;
  --error: #f87171;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: linear-gradient(135deg, var(--bg-dark) 0%, #1a1a2e 50%, #0d1a2e 100%);
  color: var(--text-primary);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
}

/* Screens */
.screen {
  display: none;
  min-height: 100vh;
  min-height: 100dvh;
}

.screen.active {
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 1.5rem;
  width: 100%;
}

.container.centered {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 100vh;
  min-height: 100dvh;
}

/* Setup Screen */
#setup-screen {
  justify-content: center;
}

.game-title {
  font-size: 2.5rem;
  font-weight: 800;
  text-align: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
  text-shadow: 0 0 40px rgba(255, 215, 0, 0.3);
}

.subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.setup-section {
  background: var(--bg-card);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-bottom: 2rem;
  border: 1px solid rgba(255, 215, 0, 0.2);
}

.setup-section h2 {
  color: var(--primary);
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

#teams-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.team-input {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.team-name-input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 2px solid var(--bg-elevated);
  border-radius: 0.5rem;
  background: var(--bg-dark);
  color: var(--text-primary);
  font-size: 1rem;
  transition: border-color 0.2s;
}

.team-name-input:focus {
  outline: none;
  border-color: var(--primary);
}

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

/* Buttons */
.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--bg-dark);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover:not(:disabled) {
  background: #303050;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.2rem;
  width: 100%;
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 50%;
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-icon:hover {
  background: #303050;
}

/* Game Screen */
#game-screen {
  display: none;
}

#game-screen.active {
  display: flex;
  flex-direction: column;
}

.game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background: var(--bg-card);
  border-bottom: 1px solid rgba(255, 215, 0, 0.2);
}

.round-info {
  display: flex;
  flex-direction: column;
}

#round-name {
  font-weight: 700;
  color: var(--primary);
  font-size: 1.1rem;
}

#question-counter {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Question Area */
.question-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  overflow-y: auto;
}

.question-meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.category-badge,
.type-badge,
.points-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 2rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.category-badge {
  background: rgba(0, 212, 255, 0.2);
  color: var(--secondary);
}

.type-badge {
  background: rgba(255, 107, 157, 0.2);
  color: var(--accent);
}

.points-badge {
  background: rgba(255, 215, 0, 0.2);
  color: var(--primary);
}

.question-card {
  background: var(--bg-card);
  border-radius: 1rem;
  padding: 1.5rem;
  border: 1px solid rgba(255, 215, 0, 0.2);
  margin-bottom: 1rem;
}

.question-text {
  font-size: 1.3rem;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.options-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
}

.options-container.hidden {
  display: none;
}

.option-btn {
  padding: 1rem;
  background: var(--bg-elevated);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.75rem;
  color: var(--text-primary);
  font-size: 1.1rem;
  text-align: left;
  cursor: default;
  transition: all 0.2s;
}

.option-btn.correct {
  background: rgba(74, 222, 128, 0.2);
  border-color: var(--success);
  color: var(--success);
}

.host-hint {
  margin-top: 1rem;
  padding: 1rem;
  background: rgba(255, 215, 0, 0.1);
  border-radius: 0.5rem;
  border-left: 4px solid var(--primary);
  font-size: 0.95rem;
}

.host-hint.hidden {
  display: none;
}

.host-hint strong {
  color: var(--primary);
}

/* Answer Section */
.answer-section {
  margin-top: 1rem;
}

.answer-section.hidden {
  display: none;
}

.answer-reveal {
  background: linear-gradient(135deg, rgba(74, 222, 128, 0.2) 0%, rgba(0, 212, 255, 0.2) 100%);
  border: 2px solid var(--success);
  border-radius: 1rem;
  padding: 1.5rem;
  text-align: center;
}

.answer-reveal h3 {
  color: var(--success);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.answer-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.fun-fact {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-style: italic;
}

.fun-fact.hidden {
  display: none;
}

/* Timer */
.timer-section {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: auto;
  padding-top: 1rem;
}

.timer-bar {
  flex: 1;
  height: 8px;
  background: var(--bg-elevated);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.timer-bar::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: var(--progress, 100%);
  background: linear-gradient(90deg, var(--success) 0%, var(--warning) 50%, var(--error) 100%);
  border-radius: 4px;
  transition: width 1s linear;
}

.timer-text {
  font-weight: 700;
  font-size: 1.1rem;
  min-width: 3rem;
  text-align: right;
}

/* Game Controls */
.game-controls {
  display: flex;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: var(--bg-card);
  border-top: 1px solid rgba(255, 215, 0, 0.2);
}

.game-controls .btn {
  flex: 1;
}

.game-controls .btn-primary {
  flex: 2;
}

/* Modals */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 100;
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: var(--bg-card);
  border-radius: 1rem;
  width: 100%;
  max-width: 500px;
  max-height: 80vh;
  overflow-y: auto;
  border: 1px solid rgba(255, 215, 0, 0.3);
}

.modal-small {
  max-width: 400px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-header h2 {
  color: var(--primary);
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Scoreboard */
.scoreboard-content {
  padding: 1.5rem;
}

.score-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: var(--bg-elevated);
  border-radius: 0.75rem;
  margin-bottom: 0.75rem;
}

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

.score-row.leader {
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.2) 0%, rgba(255, 107, 157, 0.2) 100%);
  border: 1px solid var(--primary);
}

.team-name {
  font-weight: 600;
  font-size: 1.1rem;
}

.team-score {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
}

.crown {
  margin-left: 0.5rem;
}

/* Score Input Modal */
.score-buttons {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.score-team-btn {
  padding: 1rem 1.5rem;
  background: var(--bg-elevated);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.75rem;
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.score-team-btn:hover {
  border-color: var(--success);
  background: rgba(74, 222, 128, 0.1);
}

.score-team-btn .add-points {
  color: var(--success);
  font-weight: 700;
}

/* Round Complete Screen */
.round-scores {
  width: 100%;
  max-width: 400px;
  margin: 2rem 0;
}

#round-complete-title {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

/* Game Complete Screen */
.winner-title {
  font-size: 2.5rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.final-standings {
  width: 100%;
  max-width: 400px;
  margin: 1rem 0 2rem;
}

.winner-announcement {
  font-size: 1.5rem;
  margin-bottom: 2rem;
}

.winner-name {
  color: var(--primary);
  font-weight: 800;
}

.celebration {
  font-size: 3rem;
  margin-bottom: 2rem;
  display: flex;
  gap: 1rem;
}

.confetti {
  animation: bounce 1s ease-in-out infinite;
}

.confetti:nth-child(2) {
  animation-delay: 0.2s;
}

.confetti:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

/* Utility Classes */
.hidden {
  display: none !important;
}

/* Lightning Round Styling */
.lightning-mode .question-card {
  border-color: var(--warning);
  animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(251, 191, 36, 0.4);
  }
  50% {
    box-shadow: 0 0 20px 10px rgba(251, 191, 36, 0.2);
  }
}

/* Responsive */
@media (max-width: 480px) {
  .game-title {
    font-size: 2rem;
  }

  .question-text {
    font-size: 1.15rem;
  }

  .game-controls {
    flex-wrap: wrap;
  }

  .game-controls .btn-secondary {
    flex: 1;
  }

  .game-controls .btn-primary {
    flex: 100%;
    order: -1;
  }
}

/* Print Styles for Question Sheet */
@media print {
  body {
    background: white;
    color: black;
  }

  .screen {
    display: block !important;
    page-break-after: always;
  }

  .btn, .modal, .timer-section, .game-controls {
    display: none !important;
  }
}