/**
 * TubeRaker Form Styles
 * Input fields, textareas, selects, and form layouts
 */

/* ===== Form Groups ===== */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.form-label-required::after {
  content: "*";
  color: var(--color-error);
  margin-left: var(--spacing-xs);
}

.form-help {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  margin-top: var(--spacing-xs);
}

.form-error {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-error);
  margin-top: var(--spacing-xs);
}

/* ===== Input Fields ===== */
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--input-padding-y) var(--input-padding-x);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  min-height: var(--input-height);
}

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

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--border-secondary);
}

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

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

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

.form-input.error:focus,
.form-select.error:focus,
.form-textarea.error:focus {
  box-shadow: 0 0 0 0.1875rem rgba(239, 68, 68, 0.2);
}

/* ===== Input Sizes ===== */
.form-input-sm,
.form-select-sm {
  min-height: var(--input-height-sm);
  padding: 0.375rem 0.75rem;
  font-size: var(--font-size-sm);
}

.form-input-lg,
.form-select-lg {
  min-height: var(--input-height-lg);
  padding: 0.75rem 1rem;
  font-size: var(--font-size-lg);
}

/* ===== Textarea ===== */
.form-textarea {
  min-height: 6rem;
  resize: vertical;
  line-height: var(--line-height-normal);
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
}

.form-textarea.no-resize {
  resize: none;
}

/* ===== Select ===== */
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
  background-position: right var(--spacing-sm) center;
  background-repeat: no-repeat;
  background-size: 1.5rem 1.5rem;
  padding-right: 2.5rem;
  cursor: pointer;
}

/* ===== Input Groups ===== */
.input-group {
  display: flex;
  align-items: stretch;
  width: 100%;
}

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

.input-group .form-input:first-child {
  border-top-left-radius: var(--radius-lg);
  border-bottom-left-radius: var(--radius-lg);
}

.input-group .form-input:last-child {
  border-top-right-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
}

.input-group-prepend,
.input-group-append {
  display: flex;
  align-items: center;
  padding: var(--input-padding-y) var(--input-padding-x);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  white-space: nowrap;
}

.input-group-prepend {
  border-top-left-radius: var(--radius-lg);
  border-bottom-left-radius: var(--radius-lg);
  border-right: 0;
}

.input-group-append {
  border-top-right-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
  border-left: 0;
}

/* ===== Checkbox & Radio ===== */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
  cursor: pointer;
  appearance: none;
  background-color: var(--bg-secondary);
  border: 0.125rem solid var(--border-primary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.form-check-input[type="radio"] {
  border-radius: var(--radius-full);
}

.form-check-input:hover {
  border-color: var(--border-secondary);
}

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

.form-check-input:checked {
  background-color: var(--color-brand-primary);
  border-color: var(--color-brand-primary);
}

.form-check-input:checked::after {
  content: "";
  position: absolute;
  display: block;
}

.form-check-input[type="checkbox"]:checked::after {
  top: 50%;
  left: 50%;
  width: 0.375rem;
  height: 0.625rem;
  border: solid white;
  border-width: 0 0.125rem 0.125rem 0;
  transform: translate(-50%, -60%) rotate(45deg);
}

.form-check-input[type="radio"]:checked::after {
  top: 50%;
  left: 50%;
  width: 0.5rem;
  height: 0.5rem;
  background-color: white;
  border-radius: var(--radius-full);
  transform: translate(-50%, -50%);
}

.form-check-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.form-check-input:disabled + .form-check-label {
  cursor: not-allowed;
  opacity: 0.6;
}

/* ===== Switch ===== */
.form-switch {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  user-select: none;
}

.form-switch-input {
  position: relative;
  width: 2.5rem;
  height: 1.25rem;
  flex-shrink: 0;
  appearance: none;
  background-color: var(--bg-tertiary);
  border: 0.125rem solid var(--border-primary);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.form-switch-input::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0.125rem;
  width: 0.875rem;
  height: 0.875rem;
  background-color: white;
  border-radius: var(--radius-full);
  transform: translateY(-50%);
  transition: all var(--transition-fast);
}

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

.form-switch-input:checked::after {
  left: calc(100% - 0.875rem - 0.125rem);
}

.form-switch-input:focus {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.form-switch-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-switch-label {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
}

/* ===== File Input ===== */
.form-file {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-file-input {
  display: none;
}

.form-file-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--input-padding-y) var(--input-padding-x);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: var(--input-height);
}

.form-file-label:hover {
  background-color: var(--bg-hover);
  border-color: var(--border-secondary);
}

.form-file-name {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--bg-secondary);
  border-radius: var(--radius-md);
}

/* ===== Search Input ===== */
.form-search {
  position: relative;
  display: flex;
  align-items: center;
}

.form-search-icon {
  position: absolute;
  left: var(--spacing-md);
  width: 1.25rem;
  height: 1.25rem;
  color: var(--text-tertiary);
  pointer-events: none;
}

.form-search .form-input {
  padding-left: calc(var(--spacing-md) + 1.25rem + var(--spacing-sm));
}

.form-search-clear {
  position: absolute;
  right: var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  color: var(--text-tertiary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.form-search-clear:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}

/* ===== Form Layouts ===== */
.form-inline {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.form-inline .form-group {
  margin-bottom: 0;
  flex: 1;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12.5rem, 1fr));
  gap: var(--spacing-md);
}

/* ===== Form Actions ===== */
.form-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--border-primary);
}

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

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

.form-actions-between {
  justify-content: space-between;
}

/* ===== Responsive Forms ===== */
@media (max-width: 767px) {
  .form-inline {
    flex-direction: column;
    align-items: stretch;
  }

  .form-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .form-actions .btn {
    width: 100%;
  }
}