/* ── Form Base Styles ── */
:root {
  --form-padding-x: var(--space-3);
  --form-padding-y: var(--space-3);
  --form-font-size: var(--text-base);
  --form-border-radius: var(--radius-md);
  --form-border-color: var(--color-border);
  --form-focus-color: var(--color-accent);
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-label .required {
  color: var(--color-error);
  margin-inline-start: 2px;
}

/* ── Form Inputs ── */
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--form-padding-y) var(--form-padding-x);
  font-size: var(--form-font-size);
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--form-border-color);
  border-radius: var(--form-border-radius);
  transition: all var(--duration-fast) var(--ease-default);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--form-focus-color);
  box-shadow: 0 0 0 2px rgba(144, 196, 196, 0.2);
}

.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
  background: var(--color-bg-alt);
  cursor: not-allowed;
  opacity: 0.6;
}

/* ── Form Textarea ── */
.form-textarea {
  resize: vertical;
  min-height: 100px;
  line-height: var(--leading-normal);
}

/* ── Form Select ── */
.form-select {
  appearance: none;
  background-image: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%235A7A84" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"></polyline></svg>');
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 16px;
  padding-inline-start: calc(var(--space-3) + 20px);
}

/* ── Form Validation ── */
.form-group-error .form-input,
.form-group-error .form-textarea,
.form-group-error .form-select {
  border-color: var(--color-error);
  box-shadow: 0 0 0 2px rgba(217, 64, 64, 0.1);
}

.form-group-error .form-input:focus,
.form-group-error .form-textarea:focus,
.form-group-error .form-select:focus {
  border-color: var(--color-error);
  box-shadow: 0 0 0 2px rgba(217, 64, 64, 0.2);
}

.form-error {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-error);
}

.form-success {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-success);
}

/* ── Form Sizes ── */
.form-input-sm,
.form-textarea-sm,
.form-select-sm {
  --form-padding-x: var(--space-2);
  --form-padding-y: var(--space-2);
  --form-font-size: var(--text-sm);
}

.form-input-lg,
.form-textarea-lg,
.form-select-lg {
  --form-padding-x: var(--space-4);
  --form-padding-y: var(--space-4);
  --form-font-size: var(--text-lg);
}

/* ── Form with Icon ── */
.form-input-wrapper {
  position: relative;
}

.form-input-icon {
  position: absolute;
  inset-inline-end: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
  font-size: var(--text-base);
}

.form-input.has-icon {
  padding-inline-end: calc(var(--space-3) + 32px);
  padding-inline-start: var(--space-3);
}

/* ── Form Groups ── */
.form-row {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.form-row-3 {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .form-row-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ── Form Actions ── */
.form-actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.form-actions-center {
  justify-content: center;
}

.form-actions-end {
  justify-content: flex-end;
}

/* ── Form Checklist ── */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.form-check-input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-check-label {
  font-size: var(--text-base);
  color: var(--color-text);
  cursor: pointer;
  user-select: none;
}

/* ── Form Radio Group ── */
.form-radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-radio-group-horizontal {
  flex-direction: row;
  flex-wrap: wrap;
}