/*
  css/styles.css
  - Variáveis de tema em :root
  - Regras globais e componentes organizados por seções
  - Evite estilos inline no HTML; prefira classes aqui
*/

:root {
  color-scheme: dark;
  --bg-start: #ebebf0;
  --bg-end: #152269;
  --panel: rgba(18, 28, 78, 0.78);
  --panel-border: rgba(255, 204, 0, 0.28);
  --primary: #ffcc00;
  --primary-strong: #ffc107;
  --accent: #ff5c35;
  --accent-soft: #1f3cff;
  --text: #f7f8ff;
  --muted: rgba(247, 248, 255, 0.72);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  font-family: 'Montserrat', sans-serif;
  background:
    radial-gradient(
      circle at top left,
      rgba(255, 204, 0, 0.16),
      transparent 30%
    ),
    radial-gradient(
      circle at bottom right,
      rgba(255, 92, 53, 0.18),
      transparent 28%
    ),
    linear-gradient(145deg, var(--bg-start), var(--bg-end));
}

button,
input,
textarea,
select {
  font: inherit;
}

.app {
  /* Layout principal: grid com painel do jogo e sidebar */
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.9fr) minmax(320px, 0.9fr);
  gap: 28px;
  padding: 28px;
}

.game-panel,
.sidebar {
  position: relative;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
  border-radius: 28px;
}

.game-panel {
  /* Painel contendo título, pergunta e ações */
  padding: 32px;
  display: grid;
  gap: 26px;
  align-content: start;
}

.hero {
  display: grid;
  gap: 12px;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 800;
}

h1 {
  margin: 0;
  font-family: 'Anton SC', sans-serif;
  font-size: clamp(3rem, 7vw, 5.6rem);
  line-height: 0.95;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-shadow: 0 6px 0 rgba(255, 92, 53, 0.55);
}

.hero-copy {
  margin: 0;
  max-width: 60ch;
  color: var(--muted);
  line-height: 1.6;
}

.question-card,
.status-card,
.score-card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  background: rgba(2, 4, 20, 0.4);
}

.question-card {
  padding: 24px;
  display: grid;
  gap: 22px;
}

.question-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--muted);
}

.question-badge {
  color: var(--primary);
  font-weight: 800;
}

#enunciado {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.25;
}

.alternativas {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.alternativa {
  /* Botões de alternativa: visual, padding e estado de seleção */
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  padding: 18px 18px 18px 64px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  position: relative;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease,
    color 160ms ease;
}

.alternativa::before {
  content: attr(data-letter);
  position: absolute;
  inset: 50% auto auto 18px;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: var(--primary);
  color: #111;
  font-family: 'B612 Mono', monospace;
  font-weight: 700;
}

.alternativa:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 204, 0, 0.48);
}

.alternativa.selecionada {
  border-color: rgba(255, 204, 0, 0.92);
  background: rgba(255, 204, 0, 0.14);
  color: #fff;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  border: 0;
  border-radius: 16px;
  padding: 14px 18px;
  font-weight: 800;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition:
    transform 160ms ease,
    opacity 160ms ease,
    background-color 160ms ease,
    color 160ms ease;
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
}

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

.button-primary {
  background: var(--primary);
  color: #151515;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.button-ghost {
  background: transparent;
  color: var(--primary);
  border: 1px solid rgba(255, 204, 0, 0.34);
}

.sidebar {
  padding: 24px;
  display: grid;
  gap: 18px;
  align-content: start;
}

.status-card,
.score-card {
  padding: 20px;
}

.status-card h3,
.score-card h3 {
  margin: 0 0 14px;
  font-family: 'Anton SC', sans-serif;
  font-size: 1.6rem;
  letter-spacing: 0.04em;
}

.status-message {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  min-height: 3.2em;
}

.stats {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.stats div {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
}

.stats span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stats strong {
  font-size: 1.12rem;
}

.score-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.score-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
}

.score-list li[data-active='true'] {
  background: rgba(255, 204, 0, 0.14);
  color: var(--text);
  border: 1px solid rgba(255, 204, 0, 0.5);
}

.score-list .valor {
  font-family: 'B612 Mono', monospace;
  font-weight: 700;
  color: var(--primary-strong);
}

@media (max-width: 1080px) {
  .app {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .app {
    padding: 16px;
    gap: 16px;
  }

  .game-panel,
  .sidebar {
    border-radius: 22px;
    padding: 18px;
  }

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

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

  .actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}

/* Toast / notificação pequena */
.toast-container {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  display: grid;
  gap: 8px;
  z-index: 1200;
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  min-width: 220px;
  max-width: 90vw;
  background: rgba(2, 4, 20, 0.9);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  font-weight: 600;
  text-align: center;
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity 220ms ease,
    transform 220ms ease;
}
.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* Respeitar a preferência do usuário por reduzir animações */
@media (prefers-reduced-motion: reduce) {
  * {
    transition-duration: 0ms !important;
    animation-duration: 0ms !important;
    animation-delay: 0ms !important;
    scroll-behavior: auto !important;
  }
  .alternativa,
  .toast,
  .question-card,
  #melhorPontuacao {
    transform: none !important;
    transition: none !important;
    animation: none !important;
  }
}

/* Animações de pergunta e resposta */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(-12px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

@keyframes correctFeedback {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.04);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes incorrectShake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-4px);
  }
  75% {
    transform: translateX(4px);
  }
}

/* Classes para aplicar animações */
.question-card.question-enter {
  animation: slideInRight 400ms ease;
}

.alternativa.reveal-correct {
  animation: correctFeedback 500ms ease;
  border-color: rgba(76, 175, 80, 0.8);
  background: rgba(76, 175, 80, 0.15);
  color: #4caf50;
}

.alternativa.reveal-incorrect {
  animation: incorrectShake 400ms ease;
  border-color: rgba(244, 67, 54, 0.8);
  background: rgba(244, 67, 54, 0.15);
  color: #f44336;
}

#melhorPontuacao {
  transition:
    color 300ms ease,
    text-shadow 300ms ease;
}

#melhorPontuacao.pulse-best {
  animation: pulse 800ms ease 2;
  color: var(--primary-strong);
  text-shadow: 0 0 12px rgba(255, 193, 7, 0.5);
}