body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: linear-gradient(180deg, #f6fbff 0%, #f2f6f9 100%);
  color: #1f2a37;
}

/* Main container */
.container {
  max-width: 520px;
  margin: 0 auto;
  padding: 24px 18px 40px;
}

/* Title */
h1 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}
footer {
  margin-top: 30px;
  font-size: 12px;
  text-align: center;
  color: #777;

/* Status text */
#status {
  margin-top: 10px;
  font-size: 14px;
  color: #4b5563;
}

/* Buttons */
button {
  width: 100%;
  padding: 12px 14px;
  margin: 10px 0;
  border: none;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s ease;
}

/* Primary button */
button:first-of-type {
  background: #2563eb;
  color: white;
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.2);
}

button:first-of-type:hover {
  background: #1d4ed8;
  transform: translateY(-1px);
}

/* Secondary button */
#manualBtn {
  background: white;
  color: #374151;
  border: 1px solid #e5e7eb;
}

#manualBtn:hover {
  background: #f9fafb;
}

/* Dropdown */
select {
  width: 100%;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  background: white;
  font-size: 14px;
  margin-top: 10px;
  outline: none;
}

/* Card container */
.card {
  background: white;
  padding: 14px 14px;
  margin-top: 12px;
  border-radius: 14px;
  border: 1px solid #eef2f7;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
  transition: 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
}

/* Card text */
.card h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.card p {
  margin: 4px 0;
  font-size: 13px;
  color: #6b7280;
}

/* Mobile polish */
@media (max-width: 480px) {
  h1 {
    font-size: 22px;
  }

  .container {
    padding: 18px 14px;
  }
}