:root {
  --blue: #00b7ff;
  --green: #39ff14;
  --orange: #ff7b00;
  --panel: rgba(10,21,32,.86);
  --muted: #8b98aa;
  --red: #ff3b30;
  --yellow: #ffd400;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: #050a0e;
  color: #e2e8f0;
  font-family: 'Chakra Petch','Courier New',monospace;
  overflow-x: hidden;
}

.logo-header {
  width: 100%;
  text-align: center;
  padding: 8px 0;
  min-height: 8px;
}
.logo-header img { max-width: 100%; height: auto; }

.trivia-page { width: 100%; padding: 0 12px 34px; box-sizing: border-box; }

.titulo-juego {
  text-align: center;
  margin: 22px 0 14px;
  font: 900 clamp(1.45rem, 6vw, 2.4rem) Orbitron, sans-serif;
  letter-spacing: 2px;
  background: linear-gradient(90deg, var(--blue), var(--green), var(--orange));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.trivia-card {
  width: min(100%, 480px);
  min-height: 480px;
  margin: 0 auto;
  padding: 22px;
  border: 1px solid rgba(0, 183, 255, .25);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: 0 15px 35px rgba(0, 0, 0, .65);
  position: relative;
}

.status-pill {
  width: max-content;
  margin: 0 auto 20px;
  padding: 6px 12px;
  border: 1px solid rgba(57, 255, 20, .2);
  border-radius: 20px;
  color: var(--muted);
  font-size: .72rem;
  letter-spacing: 1px;
}

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 9px var(--green);
  animation: pulso-dot 1.4s ease-in-out infinite;
}

@keyframes pulso-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}

.screen { display: none; text-align: center; }
.screen.active { display: block; animation: fade-in .35s ease; }

@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Avatares */
.nova-avatar,
.result-medal {
  display: grid;
  place-items: center;
  width: 82px;
  height: 82px;
  margin: 18px auto;
  border: 2px solid var(--blue);
  border-radius: 50%;
  color: var(--green);
  font: 900 3.5rem Orbitron, sans-serif;
  box-shadow: 0 0 24px rgba(0, 183, 255, .3), inset 0 0 20px rgba(0, 183, 255, .15);
}

.nova-avatar {
  border-color: var(--green);
  color: var(--orange);
  font-size: 2.7rem;
  animation: flotar 3s ease-in-out infinite;
}

@keyframes flotar {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.result-medal { font-size: 2.5rem; border-color: var(--orange); }
.result-medal.win { animation: victoria-medal .8s ease; }
.result-medal.lose { filter: grayscale(.7); opacity: .7; }
.result-medal.tie { border-color: var(--yellow); }

@keyframes victoria-medal {
  0% { transform: scale(1) rotate(0); }
  40% { transform: scale(1.3) rotate(15deg); }
  70% { transform: scale(1.1) rotate(-10deg); }
  100% { transform: scale(1) rotate(0); }
}

h2 {
  margin: 14px 0 8px;
  font: 900 clamp(1.1rem, 5vw, 1.55rem) Orbitron, sans-serif;
  color: var(--green);
}

p { color: var(--muted); line-height: 1.5; }

.rules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
  margin: 24px 0;
}

.rules-grid span {
  padding: 10px 3px;
  border: 1px solid rgba(0, 183, 255, .2);
  border-radius: 7px;
  color: var(--blue);
  font-size: .67rem;
}

/* Config */
.config-block { margin: 18px 0; text-align: left; }
.config-block label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: .68rem;
  letter-spacing: 2px;
}

.choice-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.category-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }

.choice-btn {
  padding: 10px 4px;
  border: 1px solid rgba(0, 183, 255, .3);
  border-radius: 6px;
  background: rgba(3, 8, 14, .75);
  color: #b4c4d8;
  font: 700 .68rem 'Chakra Petch', monospace;
  cursor: pointer;
  transition: all .18s ease;
}

.choice-btn:hover {
  border-color: rgba(0, 183, 255, .7);
  color: #fff;
}

.choice-btn.selected {
  border-color: var(--green);
  color: var(--green);
  background: rgba(57, 255, 20, .1);
  box-shadow: 0 0 8px rgba(57, 255, 20, .15);
}

.btn-primary {
  width: 100%;
  padding: 14px 12px;
  border: 1px solid var(--orange);
  border-radius: 8px;
  background: transparent;
  color: var(--orange);
  font: 900 .82rem 'Chakra Petch', monospace;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all .2s ease;
}

.btn-primary:hover {
  background: rgba(255, 123, 0, .12);
  box-shadow: 0 0 14px rgba(255, 123, 0, .22);
  transform: translateY(-1px);
}

.btn-primary:active { transform: scale(.98); }

/* Game */
.game-topline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: .78rem;
}

.game-topline strong {
  color: var(--green);
  font: 900 1rem Orbitron, sans-serif;
}

.opponent-line {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
  color: var(--orange);
  font-size: .72rem;
  letter-spacing: 1px;
}

.timer-track {
  height: 8px;
  margin: 16px 0 7px;
  overflow: hidden;
  border-radius: 10px;
  background: #182330;
}

#timer-bar {
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--orange));
  transition: width .15s linear, background .3s ease;
}

#timer-bar.warn {
  background: linear-gradient(90deg, var(--yellow), var(--orange));
}

#timer-bar.danger {
  background: linear-gradient(90deg, var(--red), var(--orange));
  animation: barra-peligro .5s ease-in-out infinite;
}

@keyframes barra-peligro {
  0%, 100% { opacity: 1; }
  50% { opacity: .6; }
}

.timer-label {
  display: flex;
  justify-content: space-between;
  color: #66758a;
  font-size: .65rem;
  letter-spacing: 1px;
}

.timer-label b {
  color: var(--orange);
  font-size: .9rem;
}

#question-text {
  min-height: 76px;
  margin: 25px 0 18px;
  color: #fff;
  line-height: 1.35;
}

.category-label {
  margin: 18px 0 -12px;
  color: var(--blue);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: 2px;
}

/* Answers */
.answers { display: grid; gap: 10px; }

.answer-btn {
  width: 100%;
  padding: 13px 12px;
  border: 1px solid rgba(0, 183, 255, .45);
  border-radius: 8px;
  background: rgba(3, 8, 14, .72);
  color: #dbeafe;
  text-align: left;
  font: 600 .88rem 'Chakra Petch', monospace;
  cursor: pointer;
  transition: all .18s ease;
  position: relative;
}

.answer-btn:hover:not(:disabled) {
  border-color: var(--green);
  color: var(--green);
  transform: translateX(3px);
}

.answer-btn.correct {
  border-color: var(--green);
  background: rgba(57, 255, 20, .16);
  color: var(--green);
  animation: pulso-ok .45s ease;
}

.answer-btn.wrong {
  border-color: var(--red);
  background: rgba(255, 59, 48, .14);
  color: #ff817a;
  animation: shake-no .35s ease;
}

.answer-btn.eliminated {
  opacity: .25;
  text-decoration: line-through;
}

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

@keyframes pulso-ok {
  0% { transform: scale(1); }
  50% { transform: scale(1.03); }
  100% { transform: scale(1); }
}

@keyframes shake-no {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

.feedback {
  min-height: 24px;
  margin: 12px 0 0;
  font-weight: 700;
}

.streak-label {
  margin-top: 14px;
  color: var(--orange);
  font-size: .72rem;
  letter-spacing: 1px;
}

.streak-label strong {
  color: var(--green);
  font-size: 1rem;
}

.streak-label.en-fuego strong {
  animation: fuego .5s ease-in-out infinite;
  text-shadow: 0 0 12px var(--green);
}

@keyframes fuego {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

.vida-extra { margin-left: 6px; color: var(--blue); }

/* Botón 50/50 */
.btn-fifty {
  margin-top: 14px;
  padding: 8px 14px;
  border: 1px solid rgba(255, 212, 0, .5);
  border-radius: 20px;
  background: rgba(255, 212, 0, .08);
  color: var(--yellow);
  font: 700 .72rem 'Chakra Petch', monospace;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all .18s ease;
}

.btn-fifty:hover:not(:disabled) {
  background: rgba(255, 212, 0, .18);
  box-shadow: 0 0 12px rgba(255, 212, 0, .3);
}

.btn-fifty:disabled {
  opacity: .3;
  cursor: not-allowed;
}

.btn-fifty small {
  font-weight: 400;
  opacity: .7;
  font-size: .62rem;
}

/* Resultado */
.final-score {
  margin: 24px 0;
  padding: 17px;
  border: 1px solid rgba(57, 255, 20, .24);
  border-radius: 10px;
  background: rgba(3, 8, 14, .65);
}

.final-score span {
  display: block;
  color: var(--muted);
  font-size: .7rem;
  letter-spacing: 2px;
}

.final-score strong {
  display: block;
  margin-top: 8px;
  color: var(--green);
  font: 900 2.1rem Orbitron, sans-serif;
}

.final-score small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin: 12px 0 18px;
}

.result-grid div {
  padding: 9px 3px;
  border: 1px solid rgba(0, 183, 255, .2);
  border-radius: 7px;
}

.result-grid span {
  display: block;
  color: var(--muted);
  font-size: .58rem;
}

.result-grid b {
  display: block;
  margin-top: 5px;
  color: var(--blue);
  font-size: 1rem;
}

.category-stats {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 12px 0 18px;
  padding: 10px;
  border: 1px solid rgba(0, 183, 255, .15);
  border-radius: 8px;
  background: rgba(3, 8, 14, .4);
  font-size: .7rem;
}

.category-stats .cat-row {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  letter-spacing: 1px;
}

.category-stats .cat-row b { color: var(--blue); }

.eyebrow {
  color: var(--orange);
  font-size: .68rem;
  letter-spacing: 2px;
}

#result-detail { margin-bottom: 22px; }

.back-link { margin: 18px auto 0; text-align: center; }
.back-link a { color: var(--blue); text-decoration: none; font-weight: 700; }
.back-link a:hover { color: var(--green); }

.ranking-publico { margin-top: 16px; }

/* Confeti */
.confetti {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 999;
}

.confetti-piece {
  position: absolute;
  top: -20px;
  width: 10px;
  height: 14px;
  opacity: 0;
  animation: caer-confeti 3s linear forwards;
}

@keyframes caer-confeti {
  0% { transform: translateY(0) rotate(0); opacity: 1; }
  100% { transform: translateY(105vh) rotate(720deg); opacity: 0; }
}

/* Responsive */
@media (max-width: 420px) {
  .trivia-card { padding: 16px; }
  .rules-grid span { font-size: .6rem; }
  #question-text { font-size: 1rem; }
}