/* ====================================
   UNIFIED FORM CONTROLS
   ==================================== */

/* ===== Form Group ===== */
.form-group {
  margin-bottom: var(--space-4);
}

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

.form-group label.required::after {
  content: ' *';
  color: var(--color-danger);
}

/* ===== Base Input Style ===== */
.form-control {
  width: 100%;
  padding: 10px 12px;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background: var(--color-bg-alt);
  border: 1.5px solid var(--btn-border);
  border-radius: var(--radius-md);
  box-shadow: 0 1.5px 4px 0 rgba(200, 200, 200, 0.04);
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base),
              background var(--transition-base);
  box-sizing: border-box;
}

.form-control::placeholder {
  color: var(--color-text-muted);
}

.form-control:hover {
  border-color: var(--btn-border-hover);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-bg);
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

.form-control:disabled,
.form-control[readonly] {
  background: var(--color-bg-disabled);
  color: var(--color-text-muted);
  cursor: not-allowed;
}

/* ===== Textarea ===== */
textarea.form-control {
  resize: vertical;
  min-height: 100px;
  line-height: 1.5;
}

/* ===== Select ===== */
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 16px;
  padding-right: 36px;
  cursor: pointer;
}

select.form-control:focus {
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232563eb' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
}

select.form-control[multiple] {
  height: auto;
  min-height: 80px;
  background-image: none;
  padding-right: 12px;
}

/* ===== Checkbox & Radio ===== */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) 0;
  cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 18px;
  height: 18px;
  margin: 0;
  cursor: pointer;
  accent-color: var(--color-primary);
}

.form-check label {
  margin: 0;
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  cursor: pointer;
  user-select: none;
}

/* Checkbox Group (vertical stack) */
.checkbox-group,
.checkbox-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.checkbox-group label,
.checkbox-list label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-2);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-base);
  margin-bottom: 0;
}

.checkbox-group label:hover,
.checkbox-list label:hover {
  background: var(--color-bg-hover);
}

.checkbox-group input[type="checkbox"],
.checkbox-list input[type="checkbox"] {
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--btn-border-hover);
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: var(--color-bg-alt);
  accent-color: var(--color-primary);
  flex-shrink: 0;
  transition: border var(--transition-base), box-shadow var(--transition-base);
}

.checkbox-group input[type="checkbox"]:focus,
.checkbox-list input[type="checkbox"]:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-100);
}

.checkbox-group input[type="checkbox"]:checked,
.checkbox-list input[type="checkbox"]:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

/* ===== Input Sizes ===== */
.form-control-sm {
  padding: 6px 10px;
  font-size: var(--font-size-sm);
}

.form-control-lg {
  padding: 14px 16px;
  font-size: var(--font-size-lg);
}

/* ===== Validation States ===== */
.form-control.is-invalid {
  border-color: var(--color-danger);
}

.form-control.is-invalid:focus {
  box-shadow: 0 0 0 3px var(--color-danger-100);
}

.form-control.is-valid {
  border-color: var(--color-success);
}

.form-control.is-valid:focus {
  box-shadow: 0 0 0 3px var(--color-success-100);
}

/* ===== Help Text & Messages ===== */
.form-text {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.error-message {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--font-size-sm);
  color: var(--color-danger);
}

.error-message:empty {
  display: none;
}

.success-message {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--font-size-sm);
  color: var(--color-success);
}

.success-message:empty {
  display: none;
}

/* ===== Input Group ===== */
.input-group {
  display: flex;
  align-items: stretch;
}

.input-group .form-control {
  flex: 1;
  border-radius: 0;
}

.input-group .form-control:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-group .form-control:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.input-group .btn {
  border-radius: 0;
}

.input-group .btn:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-group .btn:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* ===== Range Inputs (for filters) ===== */
.range-inputs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.range-inputs input {
  flex: 1;
  min-width: 0;
}

.range-inputs span,
.range-inputs .separator {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

/* ===== Search Input ===== */
.search-input {
  padding-left: 36px;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3ccircle cx='11' cy='11' r='8'%3e%3c/circle%3e%3cline x1='21' y1='21' x2='16.65' y2='16.65'%3e%3c/line%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: 10px center;
  background-size: 18px;
}

/* ===== Inline Form ===== */
.form-inline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

.form-inline .form-group {
  margin-bottom: 0;
}

/* ===== Form Actions (button row) ===== */
.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-light);
}

/* ===== iOS zoom prevention ===== */
@media (max-width: 768px) {
  .form-control,
  select.form-control,
  textarea.form-control {
    font-size: 16px;
  }
}