/* ============================================================================
   Fijara Platform - Forms
   ============================================================================
   Unified form styling for inputs, selects, checkboxes, and form layouts.
   Uses CSS variables for consistent theming across all form elements.
   ============================================================================ */

/* ============================================================================
   FORM LAYOUT
   ============================================================================ */

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

.form-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

.form-row > * {
  flex: 1;
  min-width: 200px;
}

.form-inline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-3);
}

/* ============================================================================
   LABELS
   ============================================================================ */

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

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

.form-label-optional::after {
  content: " (optional)";
  font-weight: var(--font-weight-normal);
  color: var(--text-muted);
  font-size: var(--font-size-xs);
}

/* ============================================================================
   TEXT INPUTS
   ============================================================================ */

.form-control {
  display: block;
  width: 100%;
  height: var(--input-height-md);
  padding: var(--spacing-2) var(--spacing-3);
  font-family: var(--font-family-sans);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-input);
  background-clip: padding-box;
  border: var(--input-border-width) solid var(--border-color);
  border-radius: var(--input-border-radius);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
  appearance: none;
}

.form-control::placeholder {
  color: var(--text-muted);
  opacity: 1;
}

.form-control:hover:not(:disabled):not(:focus) {
  border-color: var(--border-color-dark);
}

.form-control:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(67, 121, 255, 0.15);
}

.form-control:disabled,
.form-control[readonly] {
  background-color: var(--bg-surface-secondary);
  opacity: 0.7;
  cursor: not-allowed;
}

/* Input sizes */
.form-control-sm {
  height: var(--input-height-sm);
  padding: var(--spacing-1) var(--spacing-2);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
}

.form-control-lg {
  height: var(--input-height-lg);
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-xl);
}

/* ============================================================================
   TEXTAREA
   ============================================================================ */

textarea.form-control {
  height: auto;
  min-height: 100px;
  resize: vertical;
}

textarea.form-control-sm {
  min-height: 80px;
}

textarea.form-control-lg {
  min-height: 150px;
}

/* Auto-resize textarea */
.form-control-autosize {
  overflow: hidden;
  resize: none;
}

/* ============================================================================
   SELECT
   ============================================================================ */

.form-select {
  display: block;
  width: 100%;
  height: var(--input-height-md);
  padding: var(--spacing-2) var(--spacing-8) var(--spacing-2) var(--spacing-3);
  font-family: var(--font-family-sans);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-input);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%236B7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right var(--spacing-3) center;
  background-size: 16px 12px;
  border: var(--input-border-width) solid var(--border-color);
  border-radius: var(--input-border-radius);
  appearance: none;
  cursor: pointer;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.form-select:hover:not(:disabled):not(:focus) {
  border-color: var(--border-color-dark);
}

.form-select:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(67, 121, 255, 0.15);
}

.form-select:disabled {
  background-color: var(--bg-surface-secondary);
  opacity: 0.7;
  cursor: not-allowed;
}

.form-select-sm {
  height: var(--input-height-sm);
  padding-top: var(--spacing-1);
  padding-bottom: var(--spacing-1);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
}

.form-select-lg {
  height: var(--input-height-lg);
  padding-top: var(--spacing-3);
  padding-bottom: var(--spacing-3);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-xl);
}

/* Multiple select */
.form-select[multiple] {
  height: auto;
  padding-right: var(--spacing-3);
  background-image: none;
}

/* ============================================================================
   CHECKBOX & RADIO
   ============================================================================ */

.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-2);
  min-height: 1.5rem;
  margin-bottom: var(--spacing-2);
}

.form-check-input {
  flex-shrink: 0;
  width: 1.125rem;
  height: 1.125rem;
  margin-top: 0.125rem;
  background-color: var(--bg-input);
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  border: var(--input-border-width) solid var(--border-color);
  appearance: none;
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

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

.form-check-input[type="radio"] {
  border-radius: 50%;
}

.form-check-input:hover:not(:disabled) {
  border-color: var(--color-primary);
}

.form-check-input:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(67, 121, 255, 0.15);
}

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

.form-check-input:checked[type="checkbox"] {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='m6 10 3 3 6-6'/%3e%3c/svg%3e");
}

.form-check-input:checked[type="radio"] {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='2' fill='%23fff'/%3e%3c/svg%3e");
}

.form-check-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.form-check-input:disabled ~ .form-check-label {
  opacity: 0.5;
  cursor: not-allowed;
}

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

/* Inline checkboxes/radios */
.form-check-inline {
  display: inline-flex;
  margin-right: var(--spacing-4);
}

/* ============================================================================
   SWITCH / TOGGLE
   ============================================================================ */

.form-switch {
  padding-left: 3rem;
}

/* Switch Toggle - Robust Styling */
.form-switch .form-check-input {
  width: 2.5rem;
  height: 1.375rem;
  margin-left: -3rem;
  background-color: var(--color-gray-300);
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;

  /* Circle toggle - consistent across all states */
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='%23fff'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: left center;

  /* Smooth transition */
  transition:
    background-position 0.3s cubic-bezier(0.68, -0.15, 0.32, 1.15),
    background-color 0.25s ease-out !important;
}

/* Checked state */
.form-switch .form-check-input:checked {
  background-color: var(--color-primary);
  background-position: right center;

  /* Override Bootstrap's checkmark - use same circle */
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='%23fff'/%3e%3c/svg%3e") !important;
}

/* Focus state */
.form-switch .form-check-input:focus {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='%23fff'/%3e%3c/svg%3e");
  box-shadow: 0 0 0 0.2rem rgba(var(--color-primary-rgb, 67, 121, 255), 0.25);
  outline: none;
}

/* Focus when checked */
.form-switch .form-check-input:focus:checked {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='%23fff'/%3e%3c/svg%3e") !important;
}

/* Disabled state */
.form-switch .form-check-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Remove any pseudo-element checkmarks Bootstrap might add */
.form-switch .form-check-input::before,
.form-switch .form-check-input::after {
  display: none !important;
  content: none !important;
}

/* ============================================================================
   INPUT GROUP
   ============================================================================ */

.input-group {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  width: 100%;
}

.input-group > .form-control,
.input-group > .form-select {
  position: relative;
  flex: 1 1 auto;
  width: 1%;
  min-width: 0;
}

.input-group > .form-control:not(:first-child),
.input-group > .form-select:not(:first-child) {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.input-group > .form-control:not(:last-child),
.input-group > .form-select:not(:last-child) {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.input-group-text {
  display: flex;
  align-items: center;
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: 1.5;
  color: var(--text-secondary);
  text-align: center;
  white-space: nowrap;
  background-color: var(--bg-surface-secondary);
  border: var(--input-border-width) solid var(--border-color);
}

.input-group-text:first-child {
  border-right: 0;
  border-top-left-radius: var(--input-border-radius);
  border-bottom-left-radius: var(--input-border-radius);
}

.input-group-text:last-child {
  border-left: 0;
  border-top-right-radius: var(--input-border-radius);
  border-bottom-right-radius: var(--input-border-radius);
}

/* Input with icon */
.input-icon-wrapper {
  position: relative;
}

.input-icon-wrapper .form-control {
  padding-left: 2.75rem;
}

.input-icon-wrapper .input-icon {
  position: absolute;
  left: var(--spacing-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.input-icon-wrapper.icon-right .form-control {
  padding-left: var(--spacing-3);
  padding-right: 2.75rem;
}

.input-icon-wrapper.icon-right .input-icon {
  left: auto;
  right: var(--spacing-3);
}

/* ============================================================================
   VALIDATION STATES
   ============================================================================ */

/* Valid state */
.form-control.is-valid,
.form-select.is-valid {
  border-color: var(--color-success);
}

.form-control.is-valid:focus,
.form-select.is-valid:focus {
  border-color: var(--color-success);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

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

.form-check-input.is-valid:checked {
  background-color: var(--color-success);
}

/* Invalid state */
.form-control.is-invalid,
.form-select.is-invalid {
  border-color: var(--color-error);
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-check-input.is-invalid {
  border-color: var(--color-error);
}

.form-check-input.is-invalid:checked {
  background-color: var(--color-error);
}

/* Feedback messages */
.valid-feedback,
.invalid-feedback {
  display: none;
  width: 100%;
  margin-top: var(--spacing-1);
  font-size: var(--font-size-sm);
}

.valid-feedback {
  color: var(--color-success);
}

.invalid-feedback {
  color: var(--color-error);
}

.is-valid ~ .valid-feedback,
.is-invalid ~ .invalid-feedback {
  display: block;
}

/* ============================================================================
   HELP TEXT
   ============================================================================ */

.form-text {
  display: block;
  margin-top: var(--spacing-1);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* ============================================================================
   FILE INPUT
   ============================================================================ */

.form-control[type="file"] {
  padding: var(--spacing-2);
  overflow: hidden;
}

.form-control[type="file"]:not(:disabled):not([readonly]) {
  cursor: pointer;
}

.form-control::file-selector-button {
  padding: var(--spacing-2) var(--spacing-3);
  margin: calc(var(--spacing-2) * -1) var(--spacing-3)
    calc(var(--spacing-2) * -1) calc(var(--spacing-2) * -1);
  color: var(--text-primary);
  background-color: var(--bg-surface-secondary);
  border: 0;
  border-right: var(--input-border-width) solid var(--border-color);
  border-radius: 0;
  pointer-events: none;
  transition: background-color var(--transition-fast);
}

.form-control:hover:not(:disabled):not([readonly])::file-selector-button {
  background-color: var(--bg-surface-tertiary);
}

/* ============================================================================
   CUSTOM FILE DROP ZONE
   ============================================================================ */

.file-drop-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-8);
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-xl);
  background-color: var(--bg-surface-secondary);
  cursor: pointer;
  transition:
    border-color var(--transition-fast),
    background-color var(--transition-fast);
}

.file-drop-zone:hover {
  border-color: var(--color-primary);
  background-color: rgba(67, 121, 255, 0.05);
}

.file-drop-zone.dragover {
  border-color: var(--color-primary);
  background-color: rgba(67, 121, 255, 0.1);
}

.file-drop-zone .drop-icon {
  font-size: 3rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-4);
}

.file-drop-zone .drop-text {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  text-align: center;
}

.file-drop-zone .drop-text strong {
  color: var(--color-primary);
}

.file-drop-zone input[type="file"] {
  display: none;
}

/* ============================================================================
   RANGE INPUT
   ============================================================================ */

.form-range {
  width: 100%;
  height: 1.5rem;
  padding: 0;
  background-color: transparent;
  appearance: none;
  cursor: pointer;
}

.form-range:focus {
  outline: none;
}

.form-range::-webkit-slider-runnable-track {
  width: 100%;
  height: 0.5rem;
  color: transparent;
  cursor: pointer;
  background-color: var(--color-gray-200);
  border-radius: var(--radius-full);
}

.form-range::-webkit-slider-thumb {
  width: 1rem;
  height: 1rem;
  margin-top: -0.25rem;
  background-color: var(--color-primary);
  border: 0;
  border-radius: var(--radius-full);
  appearance: none;
  transition:
    background-color var(--transition-fast),
    transform var(--transition-fast);
}

.form-range::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}

.form-range:focus::-webkit-slider-thumb {
  box-shadow: 0 0 0 3px rgba(67, 121, 255, 0.3);
}

.form-range::-moz-range-track {
  width: 100%;
  height: 0.5rem;
  color: transparent;
  cursor: pointer;
  background-color: var(--color-gray-200);
  border-radius: var(--radius-full);
}

.form-range::-moz-range-thumb {
  width: 1rem;
  height: 1rem;
  background-color: var(--color-primary);
  border: 0;
  border-radius: var(--radius-full);
  appearance: none;
  transition:
    background-color var(--transition-fast),
    transform var(--transition-fast);
}

.form-range::-moz-range-thumb:hover {
  transform: scale(1.1);
}

.form-range:disabled {
  pointer-events: none;
}

.form-range:disabled::-webkit-slider-thumb {
  background-color: var(--color-gray-400);
}

/* ============================================================================
   DARK THEME ADJUSTMENTS
   ============================================================================ */

.theme-dark .form-control,
.theme-dark .form-select {
  background-color: var(--bg-input);
  border-color: var(--border-color);
  color: var(--text-primary);
}

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

.theme-dark .input-group-text {
  background-color: var(--bg-surface-tertiary);
  border-color: var(--border-color);
  color: var(--text-secondary);
}

.theme-dark .form-check-input {
  background-color: var(--bg-surface-secondary);
  border-color: var(--border-color);
}

.theme-dark .form-switch .form-check-input {
  background-color: var(--color-gray-600);
}

.theme-dark .file-drop-zone {
  background-color: var(--bg-surface-secondary);
  border-color: var(--border-color);
}