.form-input,
.form-select {
  width: 100%;
  height: auto;
  min-height: 2.75em;
  padding: 0.75em 1em;
  font-family: var(--font-family-base);
  font-size: var(--text-md);
  color: var(--color-ink);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-border);
  border-radius: var(--radius-md);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base);
  box-shadow: var(--shadow-xs);
  box-sizing: border-box;
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
}

.form-input.error,
.form-select.error {
  border-color: var(--color-error);
}

.form-input:disabled,
.form-select:disabled {
  background: var(--color-background);
  color: var(--color-muted);
  cursor: not-allowed;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%230f172a' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75em center;
  padding-right: 2.5em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75em 1.5em;
  min-height: 2.75em;
  height: auto;
  font-family: var(--font-family-base);
  font-size: var(--text-md);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition-all);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-button-label);
  border: var(--border-thin) solid var(--color-primary-border);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: var(--border-thin) solid var(--color-primary);
}

.btn-secondary:hover:not(:disabled) {
  background: rgb(41 94 155 / 5%);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}


.btn-loading::after {
  content: "";
  position: absolute;
  width: var(--space-md);
  height: var(--space-md);
  border: var(--border-medium) solid var(--color-button-label);
  border-radius: var(--radius-full);
  border-top-color: transparent;
  animation: btn-spin 0.6s linear infinite;
}

@keyframes btn-spin {
  to {
    transform: rotate(360deg);
  }
}

/* Mobile Responsive Styles */
@media (width <= 768px) {
  /* Item 8: Layout - Form buttons stack properly */
  .btn {
    width: 100%;
    min-width: unset;
  }

  /* Prevent iOS from zooming into inputs on focus.
     iOS zooms when font-size < 16px; 1rem = 16px at any root font size.
     This override applies only on mobile where the clamp value can dip below 16px. */
  .form-input,
  .form-select,
  textarea {
    font-size: max(1rem, var(--text-md));
  }
}