/* Styles for Aprende a dividir */
:root {
  --primary: #2b2b2b;
  --accent: #ff6b35;
  --bg: #fff9f4;
  --muted: #666;
}

body {
  font-family: 'Segoe UI', Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--primary);
  margin: 0;
}

.container {
  max-width: 980px;
  margin: 24px auto;
  padding: 0 18px 48px;
}

h1 {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.controls {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.controls label {
  font-size: 0.95rem;
}

.controls button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
}

.problem-area {
  background: white;
  padding: 18px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgb(0 0 0 / 6%);
}

.problem-statement {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

#problem {
  font-size: 1.4rem;
  font-weight: 700;
}

.hint {
  color: var(--muted);
}

.visual-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  gap: 16px;
  place-items: center center;
  margin: 8px 0;
  padding: 12px;
  max-width: 100%;
}

.visual-group.correct {
  outline: 3px solid rgb(34 139 34 / 15%);
  box-shadow: 0 6px 18px rgb(34 139 34 / 6%);
}

.visual-summary {
  grid-column: 1/-1;
  text-align: center;
  width: 100%;
}

/* Tamaños normales (hasta 6 platos/dulces) */
.plate {
  width: 86px;
  height: 86px;
  border-radius: 50%;
  background: linear-gradient(#fff, #f2f2f2);
  border: 6px solid #ddd;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 -6px 6px rgb(0 0 0 / 3%);
  overflow: hidden;
}

.candies {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  max-width: 70px;
  max-height: 70px;
  gap: 2px;
}

.candy {
  width: 20px;
  height: 14px;
  background: linear-gradient(90deg, #ffb366, #ff6b35);
  border-radius: 8px;
  display: inline-block;
  box-shadow: 0 1px 0 rgb(255 255 255 / 60%) inset;
  transition: transform 0.12s ease;
  flex-shrink: 0;
}

.candy:hover {
  transform: scale(1.08);
}

/* Tamaño medio (7-10 platos/dulces) */
.visual-group.size-medium {
  grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
  gap: 12px;
}

.visual-group.size-medium .plate {
  width: 70px;
  height: 70px;
  border-width: 5px;
}

.visual-group.size-medium .candies {
  max-width: 56px;
  max-height: 56px;
  gap: 1.5px;
}

.visual-group.size-medium .candy {
  width: 15px;
  height: 11px;
}

/* Tamaño pequeño (más de 10 platos/dulces) */
.visual-group.size-small {
  grid-template-columns: repeat(auto-fit, minmax(55px, 1fr));
  gap: 10px;
}

.visual-group.size-small .plate {
  width: 55px;
  height: 55px;
  border-width: 4px;
}

.visual-group.size-small .candies {
  max-width: 44px;
  max-height: 44px;
  gap: 1px;
}

.visual-group.size-small .candy {
  width: 11px;
  height: 8px;
}


.answer-area {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 8px;
}

.answer-area input {
  width: 86px;
  padding: 8px;
  border-radius: 6px;
  border: 1px solid #ddd;
}

.feedback {
  margin-top: 10px;
  font-weight: 600;
}

.feedback.good {
  color: green;
}

.feedback.bad {
  color: #c33;
}

.steps {
  margin-top: 12px;
  background: #fff6eb;
  border-left: 4px solid var(--accent);
  padding: 10px;
  border-radius: 6px;
}

.score {
  margin-top: 12px;
  font-size: 0.95rem;
}

.instructions {
  margin-top: 16px;
  color: var(--muted);
}

.instructions kbd {
  background: #f3f3f3;
  border-radius: 4px;
  padding: 2px 6px;
  border: 1px solid #e6e6e6;
  font-family: monospace;
  font-size: 0.9em;
}

@media (width <= 520px) {
  .controls {
    gap: 8px;
  }

  .visual-group {
    grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
    gap: 8px;
  }

  .plate {
    width: 64px;
    height: 64px;
  }

  .candies {
    max-width: 52px;
    max-height: 52px;
  }

  .candy {
    width: 16px;
    height: 11px;
  }

  .visual-group.size-medium {
    grid-template-columns: repeat(auto-fit, minmax(50px, 1fr));
  }

  .visual-group.size-medium .plate {
    width: 50px;
    height: 50px;
  }

  .visual-group.size-medium .candies {
    max-width: 40px;
    max-height: 40px;
  }

  .visual-group.size-medium .candy {
    width: 12px;
    height: 9px;
  }

  .visual-group.size-small {
    grid-template-columns: repeat(auto-fit, minmax(42px, 1fr));
  }

  .visual-group.size-small .plate {
    width: 42px;
    height: 42px;
    border-width: 3px;
  }

  .visual-group.size-small .candies {
    max-width: 34px;
    max-height: 34px;
  }

  .visual-group.size-small .candy {
    width: 9px;
    height: 7px;
  }
}