:root {
  --primary-color: #3498db;
  --secondary-color: #2980b9;
  --success-color: #2ecc71;
  --danger-color: #e74c3c;
  --warning-color: #f39c12;
  --light-color: #ecf0f1;
  --dark-color: #2c3e50;
  --gray-color: #95a5a6;
  --white-color: #ffffff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f5f5f5;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.text-xl {
  font-size: 1.5rem;
}

.hidden {
  display: none;
}

.header {
  background-color: var(--dark-color);
  color: var(--white-color);
  padding: 20px 0;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo i {
  margin-right: 10px;
}

.subtitle {
  color: var(--gray-color);
  font-size: 1rem;
}

.main-content {
  padding: 30px 0;
}

.gc {
  display: grid;
  gap: 20px;
}

.cp {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 768px) {
  .cp {
    grid-template-columns: 1fr;
  }
}

.p {
  background-color: var(--white-color);
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.pt {
  font-size: 1.2rem;
  margin-bottom: 15px;
  color: var(--dark-color);
  border-bottom: 1px solid var(--light-color);
  padding-bottom: 10px;
}

.cs, .sc {
  margin-bottom: 20px;
}

.cs h3, .sc h3 {
  font-size: 1rem;
  margin-bottom: 10px;
  color: var(--dark-color);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 15px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.btn i {
  margin-right: 8px;
}

.btn-primar {
  background-color: var(--primary-color);
  color: var(--white-color);
}

.btn-primar:hover {
  background-color: var(--secondary-color);
}

.btn:disabled {
  background-color: var(--gray-color);
  cursor: not-allowed;
  opacity: 0.7;
}

.file-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    cursor: pointer;
}
.fd.highlight {
    border-color: var(--primary-color);
    background-color: rgba(52, 152, 219, 0.1);
}

.fd {
  border: 2px dashed var(--gray-color);
  border-radius: 8px;
  padding: 30px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-bottom: 15px;
}

.fd:hover {
  border-color: var(--primary-color);
  background-color: rgba(52, 152, 219, 0.05);
}

.fd i {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.fd p {
  color: var(--gray-color);
}

.flash-addr {
  margin-bottom: 15px;
}

.flash-addr label {
  display: block;
  margin-bottom: 5px;
  font-size: 0.9rem;
}

.flash-addr input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--gray-color);
  border-radius: 4px;
}

.buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.info-p {
  display: grid;
  gap: 20px;
}

.info-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--light-color);
}

.info-label {
  font-weight: bold;
  color: var(--dark-color);
}

.info-value {
  color: var(--gray-color);
}

.log {
  height: 200px;
  overflow-y: auto;
  background-color: #f8f9fa;
  border: 1px solid var(--light-color);
  border-radius: 4px;
  padding: 10px;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.85rem;
}

.log p {
  margin-bottom: 5px;
}

.footer {
  background-color: var(--dark-color);
  color: var(--gray-color);
  text-align: center;
  padding: 15px 0;
  font-size: 0.8rem;
}