/* ── Star Trek LCARS-Inspired Theme ── */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Share+Tech+Mono&display=swap');

:root {
  --lcars-orange: #ff9900;
  --lcars-gold: #ffcc66;
  --lcars-blue: #9999ff;
  --lcars-purple: #cc99cc;
  --lcars-red: #cc6666;
  --lcars-teal: #66cccc;
  --lcars-light: #ffcc99;
  --lcars-peach: #ff9966;
  --lcars-tan: #cc9966;
  --bg-dark: #000000;
  --bg-panel: #0a0a1a;
  --text-primary: #ff9900;
  --text-light: #ffcc99;
  --text-white: #e0e0e0;
  --correct: #33cc66;
  --incorrect: #cc3333;
  --timer-warn: #ff6600;
  --timer-danger: #cc3333;
}

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

body {
  background: var(--bg-dark);
  color: var(--text-white);
  font-family: 'Share Tech Mono', monospace;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Starfield Background ── */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background:
    radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,0.8), transparent),
    radial-gradient(1px 1px at 40% 70%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 60% 20%, rgba(255,255,255,0.7), transparent),
    radial-gradient(1px 1px at 80% 50%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1.5px 1.5px at 10% 80%, rgba(153,153,255,0.9), transparent),
    radial-gradient(1px 1px at 70% 90%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1.5px 1.5px at 90% 10%, rgba(255,204,102,0.8), transparent),
    radial-gradient(1px 1px at 30% 50%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 50% 40%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 15% 15%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 85% 75%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 45% 85%, rgba(204,153,204,0.7), transparent);
  pointer-events: none;
  z-index: 0;
}

#app {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

/* ── Screen Management ── */
.screen {
  display: none;
  min-height: 100vh;
  padding: 20px;
  animation: screenFadeIn 0.5s ease;
}

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

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

/* ── LCARS Frame ── */
.lcars-frame {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}

.lcars-bar {
  display: flex;
  align-items: stretch;
  height: 30px;
  gap: 8px;
}

.lcars-bar.top {
  margin-bottom: 4px;
}

.lcars-bar.bottom {
  margin-top: 4px;
}

.lcars-elbow {
  width: 60px;
  min-width: 60px;
  border-radius: 0;
}

.lcars-bar.top .lcars-elbow.left {
  background: var(--lcars-purple);
  border-radius: 20px 0 0 0;
}

.lcars-bar.top .lcars-elbow.right {
  background: var(--lcars-blue);
  border-radius: 0 20px 0 0;
}

.lcars-bar.bottom .lcars-elbow.left {
  background: var(--lcars-teal);
  border-radius: 0 0 0 20px;
}

.lcars-bar.bottom .lcars-elbow.right {
  background: var(--lcars-peach);
  border-radius: 0 0 20px 0;
}

.lcars-strip {
  flex: 1;
  background: var(--lcars-orange);
  min-height: 10px;
}

.lcars-bar.bottom .lcars-strip {
  background: var(--lcars-gold);
}

.lcars-content {
  background: var(--bg-panel);
  border-left: 6px solid var(--lcars-purple);
  border-right: 6px solid var(--lcars-blue);
  padding: 30px 40px;
  min-height: 200px;
}

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

/* ── Title Screen ── */
.game-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--lcars-orange);
  letter-spacing: 12px;
  text-align: center;
  text-shadow: 0 0 30px rgba(255,153,0,0.5);
  margin-bottom: 0;
}

.game-subtitle {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--lcars-gold);
  letter-spacing: 8px;
  text-align: center;
  margin-bottom: 10px;
}

.tagline {
  text-align: center;
  color: var(--lcars-blue);
  font-size: 0.9rem;
  letter-spacing: 2px;
  margin-bottom: 6px;
}

.stardate {
  text-align: center;
  color: var(--lcars-teal);
  font-size: 0.85rem;
  letter-spacing: 3px;
  margin-bottom: 30px;
}

/* ── Buttons ── */
.lcars-btn {
  display: block;
  width: 100%;
  max-width: 350px;
  margin: 10px auto;
  padding: 14px 28px;
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 3px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-transform: uppercase;
}

.lcars-btn.primary {
  background: var(--lcars-orange);
  color: #000;
  border-radius: 0 20px 20px 0;
}

.lcars-btn.primary:hover {
  background: var(--lcars-gold);
  box-shadow: 0 0 20px rgba(255,153,0,0.4);
}

.lcars-btn.secondary {
  background: var(--lcars-blue);
  color: #000;
  border-radius: 20px 0 0 20px;
}

.lcars-btn.secondary:hover {
  background: var(--lcars-purple);
  box-shadow: 0 0 20px rgba(153,153,255,0.4);
}

.lcars-btn.small {
  width: 50px;
  max-width: 50px;
  padding: 10px;
  font-size: 1.2rem;
  background: var(--lcars-teal);
  color: #000;
  border-radius: 10px;
  display: inline-block;
}

.lcars-btn.small:hover {
  background: var(--lcars-gold);
}

.lcars-btn:active {
  transform: scale(0.97);
}

/* ── How To Play ── */
.howto-text {
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 30px;
  font-size: 0.9rem;
}

.howto-text strong {
  color: var(--lcars-orange);
}

.howto-text ul {
  list-style: none;
  padding-left: 0;
}

.howto-text li {
  padding: 6px 0 6px 20px;
  position: relative;
}

.howto-text li::before {
  content: '>';
  position: absolute;
  left: 0;
  color: var(--lcars-teal);
}

/* ── Setup Screen ── */
h2 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.5rem;
  color: var(--lcars-orange);
  letter-spacing: 4px;
  margin-bottom: 24px;
  text-align: center;
}

.player-count {
  text-align: center;
  margin-bottom: 24px;
}

.player-count label {
  display: block;
  color: var(--lcars-teal);
  letter-spacing: 2px;
  font-size: 0.8rem;
  margin-bottom: 10px;
}

.count-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

#player-count-display {
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  color: var(--lcars-orange);
  min-width: 50px;
  text-align: center;
}

.player-inputs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.player-input-group {
  position: relative;
}

.player-input-group label {
  display: block;
  color: var(--lcars-blue);
  font-size: 0.75rem;
  letter-spacing: 2px;
  margin-bottom: 4px;
}

.player-input-group input {
  width: 100%;
  padding: 10px 14px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 1rem;
  background: rgba(255,153,0,0.1);
  border: 2px solid var(--lcars-tan);
  color: var(--text-white);
  outline: none;
  transition: border-color 0.2s;
}

.player-input-group input:focus {
  border-color: var(--lcars-orange);
  box-shadow: 0 0 10px rgba(255,153,0,0.2);
}

.category-select {
  margin-bottom: 24px;
}

.category-select label {
  display: block;
  text-align: center;
  color: var(--lcars-teal);
  letter-spacing: 2px;
  font-size: 0.8rem;
  margin-bottom: 12px;
}

.category-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.category-chip {
  padding: 8px 16px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 1px;
  background: rgba(153,153,255,0.15);
  border: 2px solid var(--lcars-blue);
  color: var(--lcars-blue);
  cursor: pointer;
  transition: all 0.2s;
  border-radius: 4px;
}

.category-chip.selected {
  background: var(--lcars-blue);
  color: #000;
  font-weight: bold;
}

.category-chip:hover {
  background: rgba(153,153,255,0.3);
}

.category-chip.selected:hover {
  background: var(--lcars-purple);
  border-color: var(--lcars-purple);
}

/* ── Game HUD ── */
.game-frame .lcars-content {
  padding: 20px 30px;
  position: relative;
}

.game-hud {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 2px solid rgba(255,153,0,0.2);
  margin-bottom: 20px;
}

.hud-left, .hud-right {
  flex-shrink: 0;
}

.hud-center {
  text-align: center;
}

.current-player .label,
.current-score .label {
  display: block;
  font-size: 0.65rem;
  color: var(--lcars-teal);
  letter-spacing: 2px;
}

.current-player .value {
  color: var(--lcars-gold);
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
}

.current-score .value {
  color: var(--lcars-orange);
  font-family: 'Orbitron', sans-serif;
  font-size: 1.2rem;
}

.round-info {
  margin-bottom: 4px;
}

#hud-round {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.85rem;
  color: var(--lcars-orange);
  letter-spacing: 3px;
  display: block;
}

#hud-round-name {
  font-size: 0.7rem;
  color: var(--lcars-gold);
  letter-spacing: 2px;
}

.question-counter {
  color: var(--lcars-blue);
  font-size: 0.9rem;
  letter-spacing: 1px;
}

/* ── Timer ── */
.timer-container {
  position: relative;
  width: 60px;
  height: 60px;
}

.timer-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.timer-bg {
  fill: none;
  stroke: rgba(255,153,0,0.15);
  stroke-width: 6;
}

.timer-fg {
  fill: none;
  stroke: var(--lcars-orange);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 283;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1s linear, stroke 0.3s;
}

.timer-fg.warn {
  stroke: var(--timer-warn);
}

.timer-fg.danger {
  stroke: var(--timer-danger);
}

.timer-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Orbitron', sans-serif;
  font-size: 1.1rem;
  color: var(--lcars-orange);
}

.timer-text.warn {
  color: var(--timer-warn);
}

.timer-text.danger {
  color: var(--timer-danger);
  animation: pulse 0.5s infinite alternate;
}

@keyframes pulse {
  from { opacity: 1; }
  to { opacity: 0.4; }
}

/* ── Question Area ── */
.question-area {
  text-align: center;
}

.category-badge {
  display: inline-block;
  padding: 4px 16px;
  font-size: 0.7rem;
  letter-spacing: 3px;
  color: #000;
  background: var(--lcars-teal);
  border-radius: 10px;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.question-text {
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--text-white);
  margin-bottom: 28px;
  min-height: 60px;
}

.answers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  max-width: 600px;
  margin: 0 auto;
}

.answer-btn {
  padding: 16px 20px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.95rem;
  background: rgba(255,153,0,0.08);
  border: 2px solid var(--lcars-tan);
  color: var(--text-light);
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
  line-height: 1.4;
}

.answer-btn:hover:not(.disabled) {
  background: rgba(255,153,0,0.2);
  border-color: var(--lcars-orange);
  color: var(--lcars-orange);
}

.answer-btn .answer-letter {
  display: inline-block;
  width: 28px;
  height: 28px;
  line-height: 28px;
  text-align: center;
  background: var(--lcars-tan);
  color: #000;
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  margin-right: 10px;
  border-radius: 4px;
  vertical-align: middle;
}

.answer-btn.correct {
  border-color: var(--correct);
  background: rgba(51,204,102,0.2);
  color: var(--correct);
}

.answer-btn.correct .answer-letter {
  background: var(--correct);
}

.answer-btn.incorrect {
  border-color: var(--incorrect);
  background: rgba(204,51,51,0.2);
  color: var(--incorrect);
}

.answer-btn.incorrect .answer-letter {
  background: var(--incorrect);
}

.answer-btn.disabled {
  cursor: default;
  opacity: 0.5;
}

/* ── Feedback Overlay ── */
.feedback-overlay {
  display: none;
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.85);
  z-index: 10;
  align-items: center;
  justify-content: center;
}

.feedback-overlay.active {
  display: flex;
}

.feedback-content {
  text-align: center;
  padding: 30px;
}

.feedback-content .feedback-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.feedback-content .feedback-text {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.3rem;
  letter-spacing: 3px;
  margin-bottom: 8px;
}

.feedback-content .feedback-detail {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 4px;
}

.feedback-content .feedback-points {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.5rem;
  color: var(--lcars-gold);
  margin-top: 10px;
}

.feedback-correct .feedback-text {
  color: var(--correct);
}

.feedback-incorrect .feedback-text {
  color: var(--incorrect);
}

.feedback-timeout .feedback-text {
  color: var(--timer-warn);
}

/* ── Round Transition ── */
.round-transition {
  text-align: center;
  width: 100%;
}

.round-transition h2 {
  font-size: 2rem;
  margin-bottom: 8px;
}

.round-transition h3 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.1rem;
  color: var(--lcars-gold);
  letter-spacing: 4px;
  margin-bottom: 8px;
}

#round-points {
  color: var(--lcars-teal);
  letter-spacing: 2px;
  font-size: 0.85rem;
  margin-bottom: 24px;
}

.standings-preview {
  margin-bottom: 24px;
}

.standing-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 20px;
  margin: 4px 0;
  background: rgba(255,153,0,0.05);
  border-left: 3px solid var(--lcars-tan);
}

.standing-row:first-child {
  border-left-color: var(--lcars-gold);
  background: rgba(255,204,102,0.1);
}

.standing-row .name {
  color: var(--text-light);
}

.standing-row .score {
  font-family: 'Orbitron', sans-serif;
  color: var(--lcars-orange);
}

/* ── Pass Device ── */
.pass-device {
  text-align: center;
  width: 100%;
}

.pass-message {
  color: var(--lcars-blue);
  letter-spacing: 2px;
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.next-player-name {
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  color: var(--lcars-gold);
  letter-spacing: 4px;
  margin-bottom: 30px;
  text-shadow: 0 0 20px rgba(255,204,102,0.4);
}

/* ── Results Screen ── */
.final-results {
  margin-bottom: 24px;
}

.result-row {
  display: flex;
  align-items: center;
  padding: 12px 20px;
  margin: 6px 0;
  background: rgba(255,153,0,0.05);
  border-left: 4px solid var(--lcars-tan);
  transition: transform 0.3s;
}

.result-row.winner {
  border-left-color: var(--lcars-gold);
  background: rgba(255,204,102,0.12);
}

.result-rank {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.3rem;
  color: var(--lcars-teal);
  width: 40px;
  text-align: center;
  margin-right: 16px;
}

.result-row.winner .result-rank {
  color: var(--lcars-gold);
}

.result-name {
  flex: 1;
  color: var(--text-light);
  font-size: 1rem;
}

.result-score {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.2rem;
  color: var(--lcars-orange);
}

.result-accuracy {
  color: var(--lcars-blue);
  font-size: 0.8rem;
  margin-left: 16px;
  min-width: 50px;
  text-align: right;
}

.winner-announcement {
  text-align: center;
  margin-bottom: 20px;
}

.winner-announcement .winner-label {
  font-size: 0.8rem;
  color: var(--lcars-teal);
  letter-spacing: 3px;
  margin-bottom: 6px;
}

.winner-announcement .winner-name {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.6rem;
  color: var(--lcars-gold);
  letter-spacing: 4px;
  text-shadow: 0 0 30px rgba(255,204,102,0.5);
}

.winner-announcement .winner-title {
  color: var(--lcars-orange);
  font-size: 0.85rem;
  letter-spacing: 2px;
  margin-top: 4px;
}

.game-stats {
  text-align: center;
  padding: 16px;
  border-top: 2px solid rgba(255,153,0,0.1);
  margin-bottom: 20px;
  color: var(--lcars-blue);
  font-size: 0.8rem;
  letter-spacing: 1px;
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .game-title {
    font-size: 2rem;
    letter-spacing: 6px;
  }

  .game-subtitle {
    font-size: 0.9rem;
    letter-spacing: 4px;
  }

  .lcars-content {
    padding: 20px 16px;
  }

  .game-hud {
    flex-direction: column;
    gap: 10px;
  }

  .answers {
    grid-template-columns: 1fr;
  }

  .question-text {
    font-size: 1rem;
  }

  .lcars-elbow {
    width: 40px;
    min-width: 40px;
  }

  .player-inputs {
    grid-template-columns: 1fr;
  }
}