body {
  font-family: Arial, sans-serif;
  background: #f4f8fb;
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
}

.banner {
  background: linear-gradient(135deg, #0fb9b1, #3867d6);
  color: white;
  text-align: center;
  padding: 6px 12px;
}

.container {
  max-width: 600px;
  margin: auto;
  padding: 20px;
  padding-bottom: 120px;
}

label {
  display: block;
  margin-top: 20px;
  font-weight: bold;
}

input,
select,
button {
  width: 100%;
  padding: 14px;
  margin-top: 6px;
  font-size: 1em;
  border: 1px solid #999;
  border-radius: 6px;
}

button {
  background: #3867d6;
  color: white;
  border: none;
  margin-top: 20px;
  cursor: pointer;
  border-radius: 8px;
}

.hidden {
  display: none;
}

.results {
  margin-top: 30px;
}

.results-note {
  font-size: 0.9em;
  color: #555;
  margin-bottom: 12px;
}

.dot {
  background: white;
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: 0 3px 8px rgba(0,0,0,0.1);
}

.dot strong {
  font-size: 1.4em;
  color: #1a3c6d;
}

.tips {
  background: #eef6ff;
  padding: 18px;
  border-radius: 10px;
  margin-top: 25px;
}

.seo-content {
  margin-top: 40px;
}

.seo-content h2 {
  margin-top: 24px;
  color: #1a3c6d;
}

.seo-content ul {
  padding-left: 20px;
}

.disclaimer {
  background: #fff3cd;
  color: #856404;
  padding: 16px;
  border-radius: 8px;
  margin-top: 25px;
}

/* -----------------------------------------
   Buy Me a Coffee – Floating Button
----------------------------------------- */
.coffee-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: linear-gradient(135deg, #ffdd57, #ffc107);
  color: #2c2c2c;
  padding: 14px 20px;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: bold;
  text-decoration: none;
  box-shadow: 0 6px 18px rgba(0,0,0,0.25);
  z-index: 1000;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.coffee-float:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.3);
}

/* Mobile adjustments */
@media (max-width: 600px) {
  .container {
    padding: 12px;
    padding-bottom: 24px;
  }

  .coffee-float {
    bottom: 16px;
    right: 16px;
    padding: 10px 14px;
    font-size: 0.9rem;
  }
}