* { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #eaf5ff 0%, #f7fbff 100%);
  color: #14283d;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}
.card {
  background: #ffffff;
  border-radius: 20px;
  padding: 32px;
  max-width: 520px;
  width: 100%;
  box-shadow: 0 12px 32px rgba(59, 158, 232, 0.15);
  border: 1px solid #dcedfb;
}
.hidden { display: none; }
h1 { margin-top: 0; font-size: 26px; color: #0d1b2a; }
.overview-link {
  position: fixed;
  top: 20px;
  left: 24px;
  color: #3b9ee8;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  background: #ffffff;
  padding: 8px 14px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(59, 158, 232, 0.15);
}
.overview-link:hover { background: #eaf5ff; }
.phone-link {
  display: inline-block;
  font-size: 22px;
  color: #3b9ee8;
  text-decoration: none;
  font-weight: 600;
}
.shopify-link {
  display: block;
  font-size: 13px;
  color: #6b8299;
  text-decoration: none;
  margin-bottom: 16px;
}
.shopify-link:hover { color: #3b9ee8; }
.facts {
  list-style: none;
  margin: 0 0 16px;
  padding: 14px 16px;
  background: #f7fbff;
  border: 1px solid #eaf2fa;
  border-radius: 12px;
}
.fact {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 0;
  font-size: 14px;
}
.fact + .fact { border-top: 1px solid #eaf2fa; }
.fact-icon { font-size: 15px; flex-shrink: 0; width: 20px; text-align: center; }
.fact-label { color: #6b8299; flex: 1; }
.fact-value { color: #14283d; font-weight: 600; text-align: right; }
.fact-empty { color: #6b8299; font-style: italic; justify-content: center; }
.tip {
  background: #eaf5ff;
  border-left: 4px solid #3b9ee8;
  padding: 14px 16px;
  border-radius: 10px;
  font-style: italic;
  color: #14283d;
}
#error {
  border-left: 4px solid #e57373;
}
#error h1 {
  color: #d32f2f;
}
#error p {
  color: #4a6178;
  margin: 12px 0;
}
#error #retry-btn {
  margin-top: 10px;
}
textarea {
  width: 100%;
  min-height: 70px;
  margin: 16px 0;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #dcedfb;
  background: #f7fbff;
  color: #14283d;
  font-family: inherit;
}
textarea:focus {
  outline: none;
  border-color: #3b9ee8;
  background: #ffffff;
}
.buttons { display: flex; flex-direction: column; gap: 10px; }
.btn {
  padding: 14px;
  border: none;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.05s ease, opacity 0.15s ease;
}
.btn:hover { opacity: 0.9; }
.btn:active { transform: scale(0.98); }
.btn-success { background: #3fb27f; color: white; }
.btn-interested { background: #3b9ee8; color: white; }
.btn-neutral { background: #eaf5ff; color: #14283d; border: 1px solid #dcedfb; }
.btn-muted { background: #f2f6fa; color: #6b8299; }