/* ===== Reset básico ===== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ===== Body / fundo ===== */
body {
  font-family: "Nunito", Arial, sans-serif;
  background: radial-gradient(circle at top, #ffecd2, #fcb69f);
  min-height: 100vh;
  color: #222;
  display: flex;
  justify-content: center;
  align-items: stretch;
}

/* ===== Estrutura da página ===== */
.page-wrapper {
  width: 100%;
  max-width: 900px;
  padding: 20px 16px 32px;
  margin: 0 auto;
}

/* ===== Header ===== */
.header {
  text-align: center;
  margin-bottom: 24px;
}

.header .tagline {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
  margin-bottom: 10px;
}

.header h1 {
  font-family: "Pacifico", cursive;
  font-size: 2.2rem;
  line-height: 1.2;
  color: #b22222;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
  margin-bottom: 6px;
}

.header h3 {
  font-weight: 400;
  color: #333;
}

/* ===== Card principal ===== */
.main-content {
  display: flex;
  justify-content: center;
}

.card-container {
  background: rgba(255, 255, 255, 0.92);
  border-radius: 18px;
  padding: 20px 16px 24px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  width: 100%;
  max-width: 520px;
  border: 2px solid rgba(178, 34, 34, 0.15);
  position: relative;
  overflow: hidden;
}

/* Detalhes decorativos */
.card-container::before,
.card-container::after {
  content: "";
  position: absolute;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  border: 4px solid rgba(178, 34, 34, 0.15);
  top: -35px;
  right: -35px;
}

.card-container::after {
  width: 60px;
  height: 60px;
  top: auto;
  bottom: -25px;
  left: -25px;
}

/* ===== Header da cartela ===== */
.card-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.card-hint {
  font-size: 0.9rem;
  color: #555;
  text-align: center;
}

/* ===== Botão principal ===== */
#new-card-button {
  background: linear-gradient(135deg, #ff4b2b, #ff416c);
  color: #fff;
  border: none;
  padding: 10px 20px;
  font-size: 0.98rem;
  font-weight: 600;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 6px 12px rgba(255, 65, 108, 0.4);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition:
    transform 0.12s ease-out,
    box-shadow 0.12s ease-out,
    filter 0.12s ease-out,
    opacity 0.12s ease-out;
}

#new-card-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 9px 18px rgba(255, 65, 108, 0.5);
  filter: brightness(1.05);
}

#new-card-button:active {
  transform: translateY(1px) scale(0.98);
  box-shadow: 0 4px 8px rgba(255, 65, 108, 0.35);
  opacity: 0.9;
}

/* ===== Botão de desmarcar ===== */
#clear-marks-button {
  background: #ffffff;
  color: #1f2933;
  border: 1px solid #d0d7e2;
  padding: 10px 18px;
  font-size: 0.94rem;
  font-weight: 600;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 3px 6px rgba(15, 23, 42, 0.1);
  transition:
    transform 0.12s ease-out,
    box-shadow 0.12s ease-out,
    background 0.12s ease-out,
    border-color 0.12s ease-out,
    opacity 0.12s ease-out;
}

#clear-marks-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 12px rgba(15, 23, 42, 0.15);
  background: #f9fafb;
  border-color: #c3cfde;
}

#clear-marks-button:active {
  transform: translateY(1px) scale(0.98);
  box-shadow: 0 2px 4px rgba(15, 23, 42, 0.12);
  opacity: 0.9;
}

/* ===== Cartela de bingo ===== */
.bingo-card {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  max-width: 380px;
  margin: 0 auto;
}

.bingo-number {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1 / 1; /* mantém quadrado */
  border-radius: 12px;
  background: #f8fafc;
  border: 2px solid #dde3ea;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  transition:
    background 0.15s ease-out,
    transform 0.12s ease-out,
    box-shadow 0.12s ease-out,
    border-color 0.12s ease-out,
    color 0.12s ease-out;
}

/* Hover */
.bingo-number:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(15, 23, 42, 0.15);
  border-color: #ffb347;
}

/* Marcado */
.bingo-number.marked {
  background: linear-gradient(135deg, #16a34a, #22c55e);
  color: #fff;
  border-color: rgba(21, 128, 61, 0.9);
  box-shadow: 0 6px 14px rgba(22, 163, 74, 0.45);
  transform: translateY(0);
}

/* Efeito clique */
.bingo-number:active {
  transform: scale(0.96);
}

/* ===== Mensagem de vitória ===== */
.win-message {
  margin-top: 18px;
  font-size: 1.2rem;
  font-weight: 700;
  color: #16a34a;
  text-align: center;
  display: none;
  animation: bounce-in 0.55s ease-out;
}

/* ===== Footer ===== */
.footer {
  margin-top: 26px;
  text-align: center;
  font-size: 0.85rem;
  color: #333;
}

.footer span {
  font-weight: 700;
}

/* ===== Animações ===== */
@keyframes bounce-in {
  0% {
    transform: scale(0.7);
    opacity: 0;
  }
  60% {
    transform: scale(1.05);
    opacity: 1;
  }
  100% {
    transform: scale(1);
  }
}

/* ===== Responsivo ===== */
@media (max-width: 600px) {
  .header h1 {
    font-size: 1.8rem;
  }

  .card-container {
    padding: 16px 12px 20px;
  }

  .bingo-card {
    max-width: 100%;
    gap: 6px;
  }

  .bingo-number {
    font-size: 1rem;
  }
}

@media (max-width: 380px) {
  .button-row {
    flex-direction: column;
    width: 100%;
  }

  #new-card-button,
  #clear-marks-button {
    width: 100%;
    justify-content: center;
  }
}