body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 20px;
  background-color: #6d3f17; /* bege claro */
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  color: #4b2e2e; /* marrom chocolate */
}

.container {
  background-color: #f5cab1;
  border-radius: 15px;
  box-shadow: 0 8px 20px rgba(75, 46, 46, 0.2);
  padding: 30px;
  text-align: center;
  width: 90%;
  max-width: 700px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  border: 3px solid #d2b48c; 
}

h1 {
  color: #5c3317;
  margin-bottom: 25px;
  font-size: 2.8em;
  font-family: "Georgia", serif;
  text-shadow: 2px 2px #e5c1a1; 
}

h2 {
  color: #3e2723;
  margin-top: 0;
  margin-bottom: 20px;
  font-size: 1.8em;
  border-bottom: 2px dashed #a0522d;
  padding-bottom: 10px;
}

.section {
  background-color: #faeee6; 
  border: 1px solid #e0c097;
  border-radius: 12px;
  padding: 25px;
  width: 100%;
  box-shadow: 0 2px 8px rgba(75, 46, 46, 0.08);
  text-align: left;
}

#ingredients-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

#ingredients-list li {
  padding: 8px 0;
  border-bottom: 1px dashed #deb887;
  font-size: 1.1em;
  color: #4b2e2e;
}

#ingredients-list li:last-child {
  border-bottom: none;
}

.step-display {
  background-color: #fff;
  border: 1px solid #d2b48c;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 25px;
  box-shadow: 0 4px 12px rgba(75, 46, 46, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.step-number {
  font-size: 1.5em;
  font-weight: bold;
  color: #8b4513; /* marrom chocolate */
  margin-bottom: 10px;
}

.step-image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 3px 8px rgba(75, 46, 46, 0.3);
}

.step-text {
  font-size: 1.2em;
  line-height: 1.6;
  color: #4b2e2e;
  text-align: center;
}

.step-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  width: 100%;
  margin-top: 20px;
  padding-top: 15px;
  border-top: 1px solid #deb887;
}

.timer-display {
  font-family: "monospace";
  font-size: 2.5em;
  font-weight: bold;
  color: #8b0000; /* marrom avermelhado */
  background-color: #f5deb3; /* trigo/bege */
  padding: 10px 20px;
  border-radius: 10px;
  box-shadow: 0 2px 5px rgba(75, 46, 46, 0.15);
  display: none;
}

/* Checkbox em tom chocolate */
.checkbox-container {
  display: block;
  position: relative;
  padding-left: 35px;
  margin-bottom: 12px;
  cursor: pointer;
  font-size: 1.1em;
  user-select: none;
  color: #4b2e2e;
}
.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}
.checkmark {
  position: absolute;
  top: 0;
  left: 0;
  height: 25px;
  width: 25px;
  background-color: #f5deb3;
  border-radius: 5px;
  border: 1px solid #a0522d;
}
.checkbox-container:hover input ~ .checkmark {
  background-color: #deb887;
}
.checkbox-container input:checked ~ .checkmark {
  background-color: #8b4513;
  border-color: #8b4513;
}
.checkmark::after {
  content: "";
  position: absolute;
  display: none;
}
.checkbox-container input:checked ~ .checkmark::after {
  display: block;
}
.checkbox-container .checkmark::after {
  left: 9px;
  top: 5px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 3px 3px 0;
  transform: rotate(45deg);
}

.navigation-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
}

.action-button {
  border: none;
  padding: 12px 25px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 1.1em;
  transition: background-color 0.3s ease, transform 0.1s ease,
    box-shadow 0.3s ease;
  box-shadow: 0 4px 8px rgba(75, 46, 46, 0.15);
}
.action-button.primary {
  background-color: #8b4513;
  color: white;
}
.action-button.primary:hover {
  background-color: #5c3317;
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(92, 51, 23, 0.25);
}
.action-button.secondary {
  background-color: #d2b48c;
  color: #3e2723;
}
.action-button.secondary:hover {
  background-color: #deb887;
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(160, 82, 45, 0.25);
}
.action-button.restart-button {
  background-color: #a0522d;
  color: white;
}
.action-button:disabled {
  background-color: #d3d3d3;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0,0,0,0.6);
  justify-content: center;
  align-items: center;
}
.modal-content {
  background-color: #fff8f0;
  margin: auto;
  padding: 30px;
  border: 2px solid #a0522d;
  border-radius: 12px;
  width: 80%;
  max-width: 400px;
  box-shadow: 0 5px 15px rgba(75, 46, 46, 0.25);
  position: relative;
  text-align: center;
}
.modal-content p {
  margin-top: 0;
  margin-bottom: 20px;
  font-size: 1.2em;
  color: #4b2e2e;
}
.modal-content .action-button {
  background-color: #8b4513;
  padding: 8px 20px;
  font-size: 1em;
  max-width: 120px;
  margin: 0 auto;
}

/* Responsividade */
@media (max-width: 768px) {
  .container {
    padding: 15px;
    width: 95%;
    gap: 20px;
  }
  h1 {
    font-size: 2.2em;
  }
  h2 {
    font-size: 1.6em;
  }
  .section {
    padding: 15px;
  }
  .step-number {
    font-size: 1.3em;
  }
  .step-text {
    font-size: 1em;
  }
  .timer-display {
    font-size: 2em;
    padding: 8px 15px;
  }
  .checkbox-container {
    font-size: 1em;
    padding-left: 30px;
  }
  .checkmark {
    height: 22px;
    width: 22px;
  }
  .checkmark:after {
    left: 8px;
    top: 4px;
    width: 4px;
    height: 8px;
  }
  .navigation-buttons {
    flex-direction: column;
    gap: 10px;
  }
  .action-button {
    width: 100%;
    padding: 10px 15px;
    font-size: 1em;
  }
  .modal-content {
    padding: 20px;
    width: 90%;
  }
}