/* ==========================================================================
   Forms — General form styles, form groups, selects, custom controls
   ========================================================================== */

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-700);
}

.form-label .required {
  color: var(--color-danger);
  margin-left: 2px;
}

.form-control {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--color-gray-800);
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.form-control::placeholder {
  color: var(--color-gray-400);
}

.form-control:hover {
  border-color: var(--color-gray-400);
}

.form-control:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(0, 184, 169, 0.15);
  outline: none;
}

.form-control:disabled,
.form-control[readonly] {
  background: var(--color-gray-50);
  color: var(--color-gray-500);
  cursor: not-allowed;
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%236B7280'%3E%3Cpath fill-rule='evenodd' d='M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 20px;
  padding-right: var(--space-10);
  cursor: pointer;
}

/* Sizes */
.form-control-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
}

.form-control-lg {
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-lg);
}

/* Inline helpers */
.form-hint {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-gray-500);
}

.form-error {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-danger);
}

.form-control.invalid {
  border-color: var(--color-danger);
}

.form-control.invalid:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

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

/* Checkbox & radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.form-check-input {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-check-label {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  cursor: pointer;
}

/* Switch */
.form-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.form-switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.form-switch .switch-track {
  width: 44px;
  height: 24px;
  background: var(--color-gray-300);
  border-radius: var(--radius-full);
  position: relative;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.form-switch .switch-track::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base);
}

.form-switch input:checked + .switch-track {
  background: var(--color-primary);
}

.form-switch input:checked + .switch-track::after {
  transform: translateX(20px);
}

.form-switch input:focus-visible + .switch-track {
  box-shadow: 0 0 0 3px rgba(10, 61, 98, 0.2);
}

.form-switch .switch-label {
  margin-left: var(--space-3);
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
}

/* File upload */
.file-upload {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-12) var(--space-6);
  border: 2px dashed var(--color-gray-300);
  border-radius: var(--radius-lg);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.file-upload:hover,
.file-upload.dragover {
  border-color: var(--color-secondary);
  background: rgba(0, 184, 169, 0.04);
}

.file-upload svg {
  width: 40px;
  height: 40px;
  color: var(--color-gray-400);
}

.file-upload input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.file-upload-title {
  font-weight: var(--font-medium);
  color: var(--color-gray-700);
}

.file-upload-subtitle {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
}

.file-upload.has-file {
  border-color: var(--color-success);
  background: rgba(16, 185, 129, 0.04);
}

.file-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.file-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
}

.file-list .file-name {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-list .file-remove {
  background: none;
  border: none;
  color: var(--color-gray-400);
  cursor: pointer;
  padding: var(--space-1);
  flex-shrink: 0;
}

.file-list .file-remove:hover {
  color: var(--color-danger);
}

/* Search inputs with icon */
.input-with-icon {
  position: relative;
}

.input-with-icon svg {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--color-gray-400);
  pointer-events: none;
}

.input-with-icon .form-control {
  padding-left: var(--space-10);
}

/* Range slider */
.range-wrapper {
  padding: var(--space-2) 0;
}

.range-labels {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  margin-top: var(--space-1);
}

/* Form row (grid) */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-4);
}

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

/* Auth / portal forms */
.form-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}

.form-card-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.form-divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-6) 0;
  color: var(--color-gray-400);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-divider::before,
.form-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-gray-200);
}

/* Password strength */
.password-strength {
  display: flex;
  gap: var(--space-1);
  margin-top: var(--space-2);
}

.password-strength span {
  flex: 1;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--color-gray-200);
  transition: background var(--transition-fast);
}

.password-strength[data-strength="1"] span:nth-child(1) { background: var(--color-danger); }
.password-strength[data-strength="2"] span:nth-child(-n+2) { background: var(--color-warning); }
.password-strength[data-strength="3"] span:nth-child(-n+3) { background: var(--color-info); }
.password-strength[data-strength="4"] span:nth-child(-n+4) { background: var(--color-success); }