/* Hero Section */
.hero {
  text-align: center;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.card h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

/* Form Styles */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.form-group input {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background-color: var(--color-white);
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease;
  color: var(--color-text);
}

.form-group input:hover:not(:read-only) {
  border-color: var(--color-text-light);
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(204, 51, 51, 0.1);
}

.form-group input::placeholder {
  color: var(--color-text-light);
  opacity: 0.5;
}

.form-group input:read-only {
  background-color: var(--color-background);
  cursor: text;
  opacity: 0.8;
}

.form-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: var(--spacing-xs);
}

/* Checkbox Label */
.checkbox-label {
  align-items: center;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 1.125rem;
  height: 1.125rem;
  accent-color: var(--color-primary);
  cursor: pointer;
  margin-right: var(--spacing-sm);
}

/* Amount Input with Prefix */
.input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.input-prefix {
  position: absolute;
  left: 1rem;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text-light);
  pointer-events: none;
}

.input-group input {
  padding-left: 2rem;
}

/* Button Group */
.button-group {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.button-group .btn {
  flex: 1;
}

/* QR Preview */
.qr-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  background-color: var(--color-background);
  border-radius: 8px;
  padding: var(--spacing-md);
  aspect-ratio: 1;
  border: 1px solid var(--color-border);
}

.qr-preview img {
  max-width: 100%;
  height: auto;
}

.qr-placeholder {
  color: var(--color-text-light);
  font-size: 1.5rem;
  text-align: center;
}

/* QR URL Display */
.qr-url-display {
  margin-top: var(--spacing-md);
}

.qr-url-display label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.qr-url-display input {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background-color: var(--color-background);
  color: var(--color-text);
  cursor: text;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.25rem;
  }

  .button-group {
    flex-direction: column;
  }
}