html, body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}
body {
  font-family: 'Segoe UI', sans-serif;
  background: #eef2f5;
  color: #222;
  font-size: 18px;
}
.install-banner {
  display: none;
  background: #003366;
  color: white;
  padding: 16px;
  text-align: center;
  font-size: 16px;
  font-weight: 500;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.install-text p {
  margin: 0 0 10px;
  line-height: 1.4;
}

.install-banner button {
  margin-top: 8px;
  background: #ffc107;
  color: #222;
  border: none;
  padding: 10px 18px;
  border-radius: 6px;
  font-weight: bold;
  font-size: 16px;
  cursor: pointer;
}

.install-banner button:hover {
  background: #ffdb58;
}

.promo-banner {
  background: #fffae6;
  color: #856404;
  padding: 12px;
  text-align: center;
  font-weight: bold;
  border-bottom: 1px solid #f0c36d;
}
.container {
  max-width: 520px;
  margin: 20px auto;
  background: #fff;
  padding: 24px;
  box-shadow: 0 0 12px rgba(0,0,0,0.08);
  border-radius: 12px;
}
h1 {
  color: #003366;
  text-align: center;
  font-size: 26px;
  margin-bottom: 10px;
}
.tagline {
  font-size: 16px;
  text-align: center;
  color: #555;
  margin-bottom: 18px;
}
label {
  display: block;
  margin: 12px 0 6px;
  font-weight: bold;
}
input, textarea, select {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 8px;
  box-sizing: border-box;
}
textarea {
  min-height: 120px;
  resize: none;
  overflow-y: hidden;
}
button {
  width: 100%;
  padding: 14px;
  margin-top: 16px;
  background-color: #003366;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
}
button:hover {
  background-color: #0056b3;
}
#logList > div {
  background: #f9f9f9;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid #ddd;
  margin-top: 12px;
  font-size: 16px;
}
.footer-note {
  text-align: center;
  font-size: 14px;
  color: #666;
  padding: 24px 0;
}
.mini-cta {
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #e6f2ff;
  padding: 12px;
  border-radius: 10px;
  font-size: 16px;
}
.tiny-pic {
  width: 34px;
  height: 34px;
  border-radius: 50%;
}