/* 
   📝 Formularios Mejorados BIMBA - Mobile-First
   Estilos avanzados para mejor UX en formularios
   Responsive y táctil (mínimo 44px)
*/

/* --- INPUT GROUPS (Mobile-First) --- */
.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs, 0.5rem);
  margin-bottom: var(--spacing-md, 1rem);
  width: 100%;
}

/* Horizontal solo en desktop */
.input-group-horizontal {
  flex-direction: column; /* Mobile: siempre vertical */
  align-items: stretch;
}

@media (min-width: 768px) {
  .input-group-horizontal {
    flex-direction: row;
    align-items: flex-end;
  }
  
  .input-group-horizontal .form-label {
    margin-bottom: 0;
    margin-right: var(--spacing-md, 1rem);
    white-space: nowrap;
    min-width: 150px;
  }
  
  .input-group-horizontal .form-control {
    flex: 1;
  }
}

/* --- INPUT CON ICONOS --- */
.input-with-icon {
  position: relative;
}

.input-with-icon .input-icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  font-size: var(--text-lg);
  z-index: 1;
}

.input-with-icon input,
.input-with-icon textarea {
  padding-left: calc(var(--space-3) * 2 + 24px);
}

.input-with-icon.input-icon-right .input-icon {
  left: auto;
  right: var(--space-3);
}

.input-with-icon.input-icon-right input,
.input-with-icon.input-icon-right textarea {
  padding-left: var(--space-3);
  padding-right: calc(var(--space-3) * 2 + 24px);
}

/* --- INPUT CON BOTÓN --- */
.input-with-button {
  display: flex;
  gap: var(--space-2);
}

.input-with-button .form-control {
  flex: 1;
}

.input-with-button .btn {
  flex-shrink: 0;
  white-space: nowrap;
}

/* --- CHECKBOX Y RADIO MEJORADOS --- */
.checkbox-group,
.radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.checkbox-item,
.radio-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.checkbox-item:hover,
.radio-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.checkbox-item input[type="checkbox"],
.radio-item input[type="radio"] {
  width: 20px;
  height: 20px;
  margin: 0;
  cursor: pointer;
  accent-color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.checkbox-item label,
.radio-item label {
  cursor: pointer;
  margin: 0;
  flex: 1;
  user-select: none;
}

.checkbox-item input[type="checkbox"]:checked + label,
.radio-item input[type="radio"]:checked + label {
  color: var(--text-primary);
  font-weight: 500;
}

/* --- SWITCH TOGGLE --- */
.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 26px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.2);
  transition: var(--transition-normal);
  border-radius: var(--radius-full);
}

.switch-slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: var(--transition-normal);
  border-radius: 50%;
  box-shadow: var(--elevation-1);
}

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

.switch input:checked + .switch-slider:before {
  transform: translateX(24px);
}

.switch input:focus + .switch-slider {
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* --- RANGE SLIDER --- */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  outline: none;
  transition: background var(--transition-fast);
}

input[type="range"]:hover {
  background: rgba(255, 255, 255, 0.15);
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  background: var(--primary);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--elevation-2);
  transition: all var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: var(--elevation-3);
}

input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: var(--primary);
  border-radius: 50%;
  cursor: pointer;
  border: none;
  box-shadow: var(--elevation-2);
  transition: all var(--transition-fast);
}

input[type="range"]::-moz-range-thumb:hover {
  transform: scale(1.2);
  box-shadow: var(--elevation-3);
}

/* --- FILE UPLOAD MEJORADO --- */
.file-upload {
  position: relative;
  display: inline-block;
  width: 100%;
}

.file-upload input[type="file"] {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
  z-index: 2;
}

.file-upload-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--bg-surface);
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  min-height: 120px;
  flex-direction: column;
}

.file-upload-label:hover {
  border-color: var(--primary);
  background: rgba(102, 126, 234, 0.05);
}

.file-upload-label.has-file {
  border-style: solid;
  border-color: var(--success);
  background: var(--success-light);
}

.file-upload-icon {
  font-size: var(--text-3xl);
  color: var(--text-secondary);
}

.file-upload-text {
  color: var(--text-secondary);
  font-size: var(--text-base);
}

.file-upload-filename {
  color: var(--text-primary);
  font-weight: 500;
  margin-top: var(--space-2);
}

/* --- SELECT MEJORADO --- */
select.form-control {
  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='%23e8e8e8' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 12px;
  padding-right: calc(var(--space-3) * 2 + 12px);
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  cursor: pointer;
}

select.form-control:focus {
  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='%23667eea' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
}

/* --- FORM ACTIONS --- */
.form-actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-color);
  justify-content: flex-end;
}

.form-actions .btn {
  min-width: 120px;
}

.form-actions-left {
  justify-content: flex-start;
}

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

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

/* --- INPUTS TÁCTILES (Mobile-First) --- */
.form-control,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="url"],
input[type="date"],
input[type="time"],
input[type="datetime-local"],
textarea,
select {
  width: 100%;
  min-height: 44px; /* Mínimo táctil */
  padding: var(--spacing-sm, 0.75rem) var(--spacing-md, 1rem);
  font-size: var(--font-size-base, clamp(1rem, 2.5vw, 1.125rem));
  line-height: 1.5;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: var(--text-primary, #e8e8e8);
  transition: all 0.2s ease;
  -webkit-appearance: none;
  appearance: none;
  box-sizing: border-box;
}

.form-control:focus,
input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: rgba(102, 126, 234, 0.6);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
  background: rgba(0, 0, 0, 0.3);
}

.form-control:disabled,
input:disabled,
textarea:disabled,
select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Labels siempre arriba en móvil */
.form-label,
label {
  display: block;
  font-weight: 600;
  font-size: var(--font-size-sm, clamp(0.875rem, 2vw, 1rem));
  color: var(--text-secondary, #aaaaaa);
  margin-bottom: var(--spacing-xs, 0.5rem);
  width: 100%;
}

/* Textarea más alto en móvil */
textarea {
  min-height: 120px;
  resize: vertical;
}

@media (min-width: 768px) {
  textarea {
    min-height: 100px;
  }
}

/* Checkbox y radio más grandes en móvil */
.checkbox-item input[type="checkbox"],
.radio-item input[type="radio"] {
  width: 24px;
  height: 24px;
  min-width: 24px;
  min-height: 24px;
  margin: 0;
  cursor: pointer;
  accent-color: var(--primary, #00ff00);
  flex-shrink: 0;
  margin-top: 2px;
}

@media (min-width: 768px) {
  .checkbox-item input[type="checkbox"],
  .radio-item input[type="radio"] {
    width: 20px;
    height: 20px;
    min-width: 20px;
    min-height: 20px;
  }
}

/* Switch más grande en móvil */
.switch {
  position: relative;
  display: inline-block;
  width: 56px;
  height: 32px;
  min-width: 56px;
  min-height: 32px;
}

@media (min-width: 768px) {
  .switch {
    width: 50px;
    height: 26px;
    min-width: 50px;
    min-height: 26px;
  }
}

.switch-slider:before {
  height: 24px;
  width: 24px;
}

@media (min-width: 768px) {
  .switch-slider:before {
    height: 20px;
    width: 20px;
  }
}

/* --- RESPONSIVE FORMS (Mobile-First mejorado) --- */
.form-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm, 0.75rem);
  margin-top: var(--spacing-lg, 1.5rem);
  padding-top: var(--spacing-md, 1rem);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  width: 100%;
}

.form-actions .btn {
  width: 100%;
  min-height: 44px;
  min-width: auto;
}

.input-with-button {
  flex-direction: column;
  gap: var(--spacing-sm, 0.75rem);
}

.input-with-button .btn {
  width: 100%;
  min-height: 44px;
}

@media (min-width: 768px) {
  .form-actions {
    flex-direction: row;
    justify-content: flex-end;
  }
  
  .form-actions .btn {
    width: auto;
    min-width: 120px;
  }
  
  .input-with-button {
    flex-direction: row;
  }
  
  .input-with-button .btn {
    width: auto;
    flex-shrink: 0;
  }
}

/* Grid de formularios responsive */
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md, 1rem);
}

@media (min-width: 768px) {
  .form-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .form-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Formulario de una columna completa */
.form-grid-full {
  grid-column: 1 / -1;
}