/**
 * ============================================
 * MSI STUDIO DESIGN SYSTEM - FORMS
 * ============================================
 *
 * Este archivo contiene todos los estilos para elementos de formularios:
 * - Input fields (text, email, password, etc.)
 * - Textarea
 * - Select
 * - Checkbox & Radio
 * - Form Groups & Labels
 * - Form Validation States
 *
 * Debe importarse después de tokens.css y foundations.css
 */

/* ============================================
   FORM GROUPS & LABELS
   ============================================ */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--gaia-space-field);
  margin-bottom: var(--gaia-space-group);
}

.form-group > label,
.form-group > .form-label {
  margin-bottom: 0;
}

.form-group > .form-help,
.form-group > .form-error,
.form-group > .form-success,
.form-group > .form-warning {
  margin-top: 0;
}

.form-label {
  font-size: var(--gaia-font-size-label);
  font-weight: var(--font-weight-label-md);
  line-height: var(--line-height-label-md);
  color: var(--text-primary);
  margin-bottom: var(--spacing-4);
}

.form-label.required::after {
  content: '*';
  color: var(--error-red);
  margin-left: var(--spacing-4);
}

.form-help {
  font-size: var(--font-size-body-sm);
  color: var(--text-secondary);
  margin-top: var(--spacing-4);
}

.form-error {
  font-size: var(--font-size-body-sm);
  color: var(--error-red);
  margin-top: var(--spacing-4);
  display: none;
}

.form-group.error .form-error {
  display: block;
}

.validation-summary-valid {
  display: none;
}

.form-static-value {
  color: var(--text-primary);
  margin: 0;
}

/* ============================================
   INPUT FIELDS
   ============================================ */

.form-control,
.form-input,
.input {
    width: 100%;
    min-height: var(--gaia-control-height);
    padding: var(--spacing-12) var(--spacing-16);
    font-size: var(--font-size-body-sm);
    font-weight: var(--font-weight-body-md);
    line-height: var(--gaia-control-line-height);
    color: var(--text-primary);
    background-color: var(--bg-card);
    border: var(--gaia-control-border-width) solid var(--border-primary);
    border-radius: var(--gaia-control-radius);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
    appearance: none;
}

input.form-control,
input.form-input,
input.input {
    box-sizing: border-box;
    height: var(--gaia-control-height);
    padding-block: var(--gaia-control-padding-block);
}

.form-input::placeholder,
.input::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
}

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

.form-input:focus,
.input:focus {
  border-color: var(--border-info);
  box-shadow: var(--shadow-focus-light);
  background-color: var(--bg-primary);
}

.form-input:disabled,
.input:disabled {
  background-color: var(--bg-disabled) !important;
  border-color: var(--border-disabled) !important;
  color: var(--text-secondary);
  cursor: not-allowed !important;
  opacity: 0.6 !important;
}

[data-bs-theme="dark"] .form-input:focus,
[data-bs-theme="dark"] .input:focus {
  box-shadow: var(--shadow-focus-dark);
}

/* Input Sizes */
.form-input-sm,
.input-sm {
  padding: var(--spacing-8) var(--spacing-12);
  font-size: var(--font-size-body-sm);
  line-height: var(--line-height-body-sm);
}

.form-input-lg,
.input-lg {
  padding: var(--spacing-16) var(--spacing-20);
  font-size: var(--font-size-body-lg);
  line-height: var(--line-height-body-lg);
}

/* Input States */
.form-input:disabled,
.input:disabled {
  background-color: var(--bg-disabled);
  border-color: var(--border-disabled);
  color: var(--text-secondary);
  cursor: not-allowed;
  opacity: 0.6;
}

.form-input:read-only,
.input:read-only {
  background-color: var(--bg-secondary);
  cursor: default;
}

/* Input with Icons */
.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon-left {
  position: absolute;
  left: var(--spacing-12);
  color: var(--text-secondary);
  pointer-events: none;
  display: flex;
  align-items: center;
}

.input-icon-right {
  position: absolute;
  right: var(--spacing-12);
  color: var(--text-secondary);
  pointer-events: none;
  display: flex;
  align-items: center;
}

.input-wrapper.has-icon-left .form-input,
.input-wrapper.has-icon-left .input {
  padding-left: var(--spacing-40);
}

.input-wrapper.has-icon-right .form-input,
.input-wrapper.has-icon-right .input {
  padding-right: var(--spacing-40);
}

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

.form-textarea,
.textarea {
  width: 100%;
  min-height: 7.5rem;            /* 120px convertido a rem */
  padding: var(--spacing-12) var(--spacing-16);
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-body-md);
  line-height: var(--line-height-body-md);
  color: var(--text-primary);
  background-color: var(--bg-card);
  border: var(--border-width-1) solid var(--border-primary);
  border-radius: var(--radius-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  outline: none;
  resize: vertical;
  font-family: var(--font-family-primary);
}

.form-textarea::placeholder,
.textarea::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
}

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

.form-textarea:focus,
.textarea:focus {
  border-color: var(--border-info);
  box-shadow: var(--shadow-focus-light);
}

[data-bs-theme="dark"] .form-textarea:focus,
[data-bs-theme="dark"] .textarea:focus {
  box-shadow: var(--shadow-focus-dark);
}

.form-textarea:disabled,
.textarea:disabled {
  background-color: var(--bg-disabled);
  border-color: var(--border-disabled);
  color: var(--text-secondary);
  cursor: not-allowed;
  opacity: 0.6;
  resize: none;
}

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

.form-select,
.select {
  box-sizing: border-box;
  width: 100%;
  padding: var(--gaia-control-padding-block) var(--spacing-40) var(--gaia-control-padding-block) var(--gaia-control-padding-inline);
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-body-md);
  line-height: var(--gaia-control-line-height);
  color: var(--text-primary);
  background-color: var(--bg-card);
  border: var(--gaia-control-border-width) solid var(--border-primary);
  border-radius: var(--gaia-control-radius);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23697386' d='M10.293 3.293L6 7.586 1.707 3.293A1 1 0 00.293 4.707l5 5a1 1 0 001.414 0l5-5a1 1 0 10-1.414-1.414z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-12) center;
  background-size: 1rem;         /* 16px convertido a rem */
}

select.form-control:not([multiple], [size]),
select.form-control:not([multiple])[size="1"],
select.form-input:not([multiple], [size]),
select.form-input:not([multiple])[size="1"],
select.input:not([multiple], [size]),
select.input:not([multiple])[size="1"],
select.form-select:not([multiple], [size]),
select.form-select:not([multiple])[size="1"],
select.select:not([multiple], [size]),
select.select:not([multiple])[size="1"] {
  box-sizing: border-box;
  height: var(--gaia-control-height);
  min-height: var(--gaia-control-height);
  padding-block: var(--gaia-control-padding-block);
  line-height: var(--gaia-control-line-height);
  border-width: var(--gaia-control-border-width);
  appearance: none;
}

[data-bs-theme="dark"] .form-select,
[data-bs-theme="dark"] .select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23C4C9D4' d='M10.293 3.293L6 7.586 1.707 3.293A1 1 0 00.293 4.707l5 5a1 1 0 001.414 0l5-5a1 1 0 10-1.414-1.414z'/%3E%3C/svg%3E");
}

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

.form-select:focus,
.select:focus {
  border-color: var(--border-info);
  box-shadow: var(--shadow-focus-light);
}

[data-bs-theme="dark"] .form-select:focus,
[data-bs-theme="dark"] .select:focus {
  box-shadow: var(--shadow-focus-dark);
}

.form-select:disabled,
.select:disabled {
  background-color: var(--bg-disabled);
  border-color: var(--border-disabled);
  color: var(--text-secondary);
  cursor: not-allowed;
  opacity: 0.6;
}

/* Select Sizes */
.form-select-sm,
.select-sm {
  padding: var(--spacing-8) var(--spacing-32) var(--spacing-8) var(--spacing-12);
  font-size: var(--font-size-body-sm);
  line-height: var(--line-height-body-sm);
}

.form-select-lg,
.select-lg {
  padding: var(--spacing-16) var(--spacing-48) var(--spacing-16) var(--spacing-20);
  font-size: var(--font-size-body-lg);
  line-height: var(--line-height-body-lg);
}

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

.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-12);
  margin-bottom: var(--spacing-12);
  cursor: pointer;
}

.form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: var(--spacing-2);
  background-color: var(--bg-primary);
  border: var(--border-width-2) solid var(--border-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  appearance: none;
  outline: none;
  flex-shrink: 0;
  position: relative;
  aspect-ratio: 1 / 1;
}

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

.form-check-input:focus {
  border-color: var(--border-info);
  box-shadow: var(--shadow-focus-light);
}

[data-bs-theme="dark"] .form-check-input:focus {
  box-shadow: var(--shadow-focus-dark);
}

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

.form-check-input:checked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.375rem;
  height: 0.625rem;
  border: solid var(--bg-invert);
  border-width: 0 var(--border-width-2) var(--border-width-2) 0;
  transform: translate(-50%, -60%) rotate(45deg);
}

.form-check-input:disabled {
  background-color: var(--bg-disabled);
  border-color: var(--border-disabled);
  cursor: not-allowed;
  opacity: 0.6;
}

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

.form-check-input[type="radio"]:checked::after {
  width: 0.5rem;
  height: 0.5rem;
  border: none;
  background-color: var(--bg-invert);
  border-radius: var(--radius-full);
  transform: translate(-50%, -50%);
}

.form-check-label {
  font-size: var(--font-size-body-sm);
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
  line-height: 1.5;
}

.form-check-input:disabled + .form-check-label {
  color: var(--text-secondary);
  cursor: not-allowed;
  opacity: 0.6;
}

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

/* Success State */
.form-group.success .form-input,
.form-group.success .form-textarea,
.form-group.success .form-select,
.form-input.is-valid,
.form-textarea.is-valid,
.form-select.is-valid {
  border-color: var(--border-success);
}

.form-group.success .form-input:focus,
.form-group.success .form-textarea:focus,
.form-group.success .form-select:focus,
.form-input.is-valid:focus,
.form-textarea.is-valid:focus,
.form-select.is-valid:focus {
  border-color: var(--border-success);
  box-shadow: 0 0 0 3px var(--shadow-color-success);
}

.form-success {
  font-size: var(--font-size-body-sm);
  color: var(--success-green);
  margin-top: var(--spacing-4);
}

/* Error State */
.form-group.error .form-input,
.form-group.error .form-textarea,
.form-group.error .form-select,
.form-input.is-invalid,
.form-textarea.is-invalid,
.form-select.is-invalid {
  border-color: var(--border-error);
}

.form-group.error .form-input:focus,
.form-group.error .form-textarea:focus,
.form-group.error .form-select:focus,
.form-input.is-invalid:focus,
.form-textarea.is-invalid:focus,
.form-select.is-invalid:focus {
  border-color: var(--border-error);
  box-shadow: 0 0 0 3px var(--shadow-color-error);
}

/* Warning State */
.form-group.warning .form-input,
.form-group.warning .form-textarea,
.form-group.warning .form-select {
  border-color: var(--border-warning);
}

.form-group.warning .form-input:focus,
.form-group.warning .form-textarea:focus,
.form-group.warning .form-select:focus {
  border-color: var(--border-warning);
  box-shadow: 0 0 0 3px var(--shadow-color-warning);
}

.form-warning {
  font-size: var(--font-size-body-sm);
  color: var(--alert-yellow);
  margin-top: var(--spacing-4);
}

/* ============================================
   INPUT GROUPS
   ============================================ */

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

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

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

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

.input-group-text {
  display: flex;
  align-items: center;
  padding: var(--spacing-12) var(--spacing-16);
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-body-md);
  color: var(--text-secondary);
  background-color: var(--bg-tertiary);
  border: var(--border-width-1) solid var(--border-primary);
  white-space: nowrap;
}

.input-group > *:not(:first-child) {
  margin-left: calc(var(--border-width-1) * -1);
}

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

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

/* ============================================
   FORM LAYOUTS
   ============================================ */

.form-inline {
  display: flex;
  gap: var(--spacing-12);
  align-items: flex-end;
}

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

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15.625rem, 1fr));  /* 250px convertido a rem */
  gap: var(--spacing-20);
}

@media (max-width: 48rem) {  /* 767px convertido aproximadamente */
  .form-grid {
    grid-template-columns: 1fr;
  }
}

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

.form-switch {
  display: flex;
  align-items: center;
  gap: var(--spacing-12);
  cursor: pointer;
}

.form-switch-input {
  position: relative;
  width: 2.75rem;
  height: 1.5rem;
  background-color: var(--bg-invert);
  border-radius: var(--radius-full);
  border: var(--bg-invert) solid var(--border-width-1);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  appearance: none;
  outline: none;
  flex-shrink: 0;
}

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

.form-switch-input:focus {
  box-shadow: var(--shadow-focus-light);
}

[data-bs-theme="dark"] .form-switch-input:focus {
  box-shadow: var(--shadow-focus-dark);
}

.form-switch-input::after {
  content: '';
  position: absolute;
  top: var(--spacing-2);
  left: var(--spacing-2);
  width: 1.25rem;
  height: 1.25rem;
  color: var(--bg-invert);
  background-color: var(--bg-primary);
  border-radius: var(--radius-full);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-sm);
}

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

.form-switch-input:checked::after {
  left: 1.375rem;
  background-color: var(--bg-invert);
}

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

.form-switch-input:disabled::after {
  background-color: var(--bg-quaternary);
}

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

.form-switch-input:disabled + .form-switch-label {
  color: var(--text-secondary);
  cursor: not-allowed;
  opacity: 0.6;
}