/**
 * Treta Deck - Estilos globais
 * Mobile-first, temas claro/escuro (estilo Cards Against Humanity).
 */

/* ---- Variáveis (tema escuro = padrão) ---- */
:root,
.theme-dark {
  --bg: #111;
  --bg-card: #1a1a1a;
  --text: #f5f5f5;
  --text-muted: #aaa;
  --accent: #e0e0e0;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  --radius: 16px;
  --radius-sm: 10px;
}

.theme-light {
  --bg: #f0f0f0;
  --bg-card: #fff;
  --text: #1a1a1a;
  --text-muted: #555;
  --accent: #333;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* ---- Base ---- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Fredoka', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.4;
  -webkit-user-select: none;
  user-select: none;
}

.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
}

/* ---- Header ---- */
.header {
  width: 100%;
  max-width: 600px;
  margin-bottom: 1.5rem;
}

.header-inner {
  position: relative;
  text-align: center;
  padding: 0.5rem 0;
}

.logo {
  display: block;
  margin: 0 auto 0.5rem;
  height: 48px;
  width: auto;
}

.title {
  margin: 0 0 0.25rem;
  font-size: clamp(1.75rem, 5vw, 2.25rem);
  font-weight: 700;
  color: var(--text);
}

.subtitle {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.theme-toggle {
  position: absolute;
  top: 0.5rem;
  right: 0;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text);
  font-size: 1.4rem;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease;
}

.theme-toggle:hover {
  transform: scale(1.05);
}

.theme-toggle:active {
  transform: scale(0.98);
}

/* Header na tela do jogo */
.header-game .header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-align: left;
}

.header-game .deck-name {
  font-size: 1.1rem;
  font-weight: 600;
  flex: 1;
  min-width: 120px;
}

.header-game .theme-toggle {
  position: static;
}

/* ---- Main ---- */
.main {
  width: 100%;
  max-width: 600px;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* ---- Tela inicial: lista de decks ---- */
.deck-list {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.deck-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  border: 2px solid transparent;
}

.deck-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
}

.deck-card:active {
  transform: translateY(0);
}

.deck-card-title {
  display: block;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.35rem;
}

.deck-card-desc {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* ---- Tela do jogo ---- */
.main.game {
  justify-content: flex-start;
  padding-top: 1rem;
}

.game-card {
  width: 100%;
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
}

.game-question {
  margin: 0 0 1.25rem;
  font-size: clamp(1.15rem, 4vw, 1.4rem);
  font-weight: 600;
  line-height: 1.35;
  color: var(--text);
}

/* Opções (tipo choose) */
.options {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.option-card {
  width: 100%;
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1rem;
  font-size: clamp(1rem, 3vw, 1.15rem);
  text-align: center;
  color: var(--text);
  border: 2px solid var(--text-muted);
}

.option-divider {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-muted);
}

/* Botões de ação */
.game-actions {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.btn {
  width: 100%;
  padding: 1rem 1.5rem;
  font-family: 'Fredoka', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform 0.1s ease, opacity 0.1s ease;
}

.btn:hover {
  transform: scale(1.02);
}

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

.btn-primary {
  background: var(--text);
  color: var(--bg);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text);
  border: 2px solid var(--text-muted);
}

.change-deck {
  padding: 0.5rem 0.75rem;
  font-size: 0.95rem;
}

/* ---- Tela de erro ---- */
.error-screen {
  max-width: 400px;
  padding: 2rem;
  text-align: center;
}

.error-screen h2 {
  margin: 0 0 1rem;
  color: var(--text);
}

.error-screen p {
  margin: 0;
  color: var(--text-muted);
}

.error-screen code {
  background: var(--bg-card);
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}

/* ---- Responsivo: telas maiores ---- */
@media (min-width: 480px) {
  .options {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }

  .option-card {
    flex: 1;
    min-width: 140px;
    max-width: 260px;
  }

  .game-actions {
    flex-direction: row;
    justify-content: center;
  }

  .btn {
    max-width: 220px;
  }
}