/* ─── Reset ─── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ─── Base ─── */
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: #f0f4fa;
  margin: 0;
  padding: 24px;
  color: #1f2937;
}

a {
  color: #2563eb;
  text-decoration: none;
}

a:hover {
  color: #1d4ed8;
  text-decoration: underline;
}

/* ─── Container ─── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  background: #ffffff;
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 4px 24px rgba(37, 99, 235, 0.08);
}

/* ─── Typography ─── */
h1 {
  font-size: 28px;
  margin: 0 0 12px;
  line-height: 1.3;
  color: #1b2a4a;
}

p {
  font-size: 16px;
  line-height: 1.6;
  color: #4b5563;
  margin: 0 0 12px;
}

code {
  display: inline;
  background: #eef2ff;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.95em;
  color: #1e40af;
}

/* ─── Description Box ─── */
.description {
  margin-top: 16px;
  padding: 20px;
  background: #f0f4fa;
  border-radius: 12px;
  border-left: 4px solid #2563eb;
  margin-bottom: 24px;
}

.description p:last-child {
  margin-bottom: 0;
}

/* ─── Network Info ─── */
#info {
  padding: 14px 20px;
  background: #eef2ff;
  border-radius: 10px;
  font-size: 15px;
  color: #1b2a4a;
  border: 1px solid #c7d2fe;
}

/* ─── Demo Image ─── */
.demo-image {
  margin-top: 24px;
  display: flex;
  justify-content: center;
}

.demo-image img {
  width: 100%;
  max-width: 720px;
  height: auto;
  border-radius: 12px;
  object-fit: cover;
}

/* ─── Info Box ─── */
.info-box {
  margin-top: 24px;
  padding: 20px;
  background: #f0f4fa;
  border-radius: 12px;
  border-left: 4px solid #2563eb;
  font-size: 14px;
  overflow-wrap: break-word;
}

.info-box .label {
  font-size: 13px;
  color: #1b2a4a;
  font-weight: 700;
  margin-bottom: 8px;
}

/* ─── URL Display ─── */
.url {
  display: block;
  background: #eef2ff;
  padding: 10px;
  border-radius: 10px;
  font-size: 12px;
  max-width: 100%;
  word-break: break-all;
  line-height: 1.45;
  color: #2563eb;
  text-decoration: underline;
  font-weight: 600;
}

.url:hover {
  color: #1d4ed8;
  background: #dbeafe;
}

/* ─── Responsive ─── */
@media (max-width: 600px) {
  body {
    padding: 16px;
  }

  .container {
    padding: 18px;
    border-radius: 12px;
  }

  h1 {
    font-size: 22px;
  }

  p {
    font-size: 15px;
  }

  .info-box {
    font-size: 13px;
    padding: 16px;
  }
}