/**
 * Substack Subscribe - Frontend Stylesheet
 */

.substack-sub-wrapper {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  max-width: 420px;
  margin: 24px auto;
  padding: 1rem;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  background-color: #ffffff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  text-align: center;
  box-sizing: border-box;
}

.substack-sub-wrapper *,
.substack-sub-wrapper *::before,
.substack-sub-wrapper *::after {
  box-sizing: inherit;
}

.substack-sub-heading {
  font-size: 22px;
  line-height: 1;
  color: #1e293b;
  margin: 0 0 .25rem;
  font-weight: 700;
}

.substack-sub-subtitle {
  font-size: 15px;
  line-height: 1;
  color: #64748b;
  margin: 0 0 .5rem;
}

.substack-sub-form {
  margin: 0;
  padding: 0;
}

/* Honeypot field (hidden from view and screenreaders) */
.substack-sub-hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
  margin: 0 !important;
  padding: 0 !important;
}

.substack-sub-input-group {
  margin-bottom: 0;
}

.substack-sub-email {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  font-size: 16px;
  color: #1e293b;
  background-color: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.substack-sub-email::placeholder {
  color: #94a3b8;
}

.substack-sub-email:focus {
  border-color: #007bff;
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2);
  outline: none;
}

.substack-sub-submit {
  width: 100%;
  padding: 14px 20px;
  background-color: var(--blue);
  color: #ffffff;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease, opacity 0.2s ease;
}

.substack-sub-submit:hover:not(:disabled) {
  background-color: #0056b3;
}

.substack-sub-submit:disabled {
  background-color: #93c5fd;
  cursor: not-allowed;
  opacity: 0.85;
}

/* Response Messages */
.substack-sub-message {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.4;
  text-align: center;
  padding: 0;
  border-radius: 6px;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.3s ease, max-height 0.3s ease, padding 0.3s ease;
}

.substack-sub-message:empty { margin: 0; }

.substack-sub-message.active {
  opacity: 1;
  max-height: 80px;
  padding: 10px 14px;
}

.substack-sub-message.success {
  background-color: #f0fdf4;
  color: #15803d;
  border: 1px solid #bbf7d0;
}

.substack-sub-message.error {
  background-color: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}