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

body {
  background: #ffffff;
  color: #0f172a;
  font-family: Arial, sans-serif;
}

header {
  padding: 35px 20px;
  border-bottom: 1px solid #dcfce7;
  text-align: center;
  background: white;
}

.logo {
  font-size: 36px;
  font-weight: bold;
  color: #16a34a;
}

.desc {
  margin-top: 10px;
  color: #6b7280;
  font-size: 14px;
}

main {
  width: 90%;
  max-width: 1100px;
  margin: 40px auto;
}

.box {
  background: white;

  border: 1px solid #dcfce7;
  border-radius: 20px;

  padding: 28px;
  margin-bottom: 28px;

  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.title {
  font-size: 34px;
  font-weight: bold;
  color: #16a34a;
}

p {
  margin: 20px 0;
  color: #4b5563;
  font-size: 18px;
}

.code-row {
  display: flex;
  align-items: center;
  gap: 15px;

  margin-bottom: 18px;
}

pre {
  flex: 1;

  background: #052e16;

  border: 1px solid #166534;
  border-radius: 16px;

  padding: 20px;

  overflow-x: auto;
}

code {
  color: #dcfce7;

  font-size: 18px;
  font-family: Consolas, monospace;

  white-space: nowrap;
}

button {
  background: white;
  color: #16a34a;

  border: 2px solid #16a34a;
  border-radius: 12px;

  padding: 12px 18px;

  min-width: 110px;

  font-size: 15px;
  font-weight: bold;

  cursor: pointer;

  transition: 0.2s;
}

button:hover {
  background: #16a34a;
  color: white;
}

.warn {
  margin-top: 10px;

  color: #ca8a04;
  font-size: 16px;
}

a {
  color: #16a34a;
  text-decoration: none;
  font-weight: bold;
}

a:hover {
  text-decoration: underline;
}

footer {
  text-align: center;

  padding: 30px;

  color: #6b7280;
  font-size: 13px;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-thumb {
  background: #22c55e;
  border-radius: 10px;
}

::-webkit-scrollbar-track {
  background: #dcfce7;
}

@media(max-width: 900px){

  .logo {
    font-size: 28px;
  }

  .title {
    font-size: 26px;
  }

  p {
    font-size: 16px;
  }

  .top {
    flex-direction: column;
    align-items: stretch;
  }

  .code-row {
    flex-direction: column;
    align-items: stretch;
  }

  code {
    font-size: 15px;

    white-space: pre-wrap;
    word-break: break-word;
  }

  button {
    width: 100%;
  }

}