/* ========================================
   COMPOSANT FORMS - MOBILE-FIRST
   ========================================
   
   Système de formulaires moderne et responsive
   Optimisé pour les formulaires du site de hockey
   ======================================== */

/* ========================================
   FORMULAIRE DE BASE
   ======================================== */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.form__row {
  display: flex;
  gap: var(--spacing-4);
  align-items: flex-end;
}

.form__col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

/* ========================================
   LABELS
   ======================================== */
.form__label {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  cursor: pointer;
}

.form__label--required::after {
  content: ' *';
  color: var(--color-danger);
}

.form__label--optional {
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-normal);
}

/* ========================================
   INPUTS
   ======================================== */
.form__input {
  padding: var(--spacing-3) var(--spacing-4);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-base);
  font-family: inherit;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
  min-height: 44px; /* Accessibilité mobile */
}

.form__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
  background: var(--color-bg-primary);
}

.form__input:disabled {
  background: var(--color-bg-tertiary);
  color: var(--color-text-tertiary);
  cursor: not-allowed;
  opacity: 0.6;
}

.form__input--error {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px var(--color-danger-light);
}

.form__input--success {
  border-color: var(--color-success);
  box-shadow: 0 0 0 3px var(--color-success-light);
}

.form__input--warning {
  border-color: var(--color-warning);
  box-shadow: 0 0 0 3px var(--color-warning-light);
}

/* ========================================
   TEXTAREA
   ======================================== */
.form__textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.5;
  font-family: inherit;
}

.form__textarea--small {
  min-height: 80px;
}

.form__textarea--large {
  min-height: 200px;
}

/* ========================================
   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='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right var(--spacing-3) center;
  background-repeat: no-repeat;
  background-size: 16px 12px;
  padding-right: var(--spacing-10);
}

.form__select:focus {
  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='%231e40af' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
}

/* ========================================
   CHECKBOX ET RADIO
   ======================================== */
.form__checkbox,
.form__radio {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  cursor: pointer;
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  user-select: none;
}

.form__checkbox input,
.form__radio input {
  width: 18px;
  height: 18px;
  margin: 0;
  cursor: pointer;
  accent-color: var(--color-primary);
}

.form__checkbox--disabled,
.form__radio--disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form__checkbox--disabled input,
.form__radio--disabled input {
  cursor: not-allowed;
}

/* ========================================
   SWITCH
   ======================================== */
.form__switch {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  cursor: pointer;
  user-select: none;
}

.form__switch__input {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--color-bg-tertiary);
  border-radius: var(--border-radius-full);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.form__switch__input::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: var(--color-white);
  border-radius: 50%;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.form__switch input:checked + .form__switch__input {
  background: var(--color-primary);
}

.form__switch input:checked + .form__switch__input::before {
  transform: translateX(20px);
}

.form__switch input:focus + .form__switch__input {
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* ========================================
   FILE UPLOAD
   ======================================== */
.form__file {
  position: relative;
  display: inline-block;
  cursor: pointer;
}

.form__file__input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.form__file__label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-4) var(--spacing-6);
  border: 2px dashed var(--color-border);
  border-radius: var(--border-radius-md);
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
  min-height: 120px;
  flex-direction: column;
}

.form__file__label:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.form__file__input:focus + .form__file__label {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form__file__icon {
  font-size: var(--font-size-xl);
  color: var(--color-text-tertiary);
}

.form__file__text {
  text-align: center;
}

.form__file__text--primary {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.form__file__text--secondary {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* ========================================
   MESSAGES D'ERREUR ET SUCCÈS
   ======================================== */
.form__message {
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-1);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.form__message--error {
  color: var(--color-danger);
}

.form__message--success {
  color: var(--color-success);
}

.form__message--warning {
  color: var(--color-warning);
}

.form__message--info {
  color: var(--color-info);
}

.form__message__icon {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

/* ========================================
   FORMULAIRES SPÉCIALISÉS HOCKEY
   ======================================== */
.form--player-edit {
  max-width: 600px;
}

.form--player-edit .form__row {
  flex-wrap: wrap;
}

.form--player-edit .form__col--stats {
  flex: 0 0 150px;
}

.form--player-edit .form__col--info {
  flex: 1;
  min-width: 200px;
}

.form--trade {
  max-width: 800px;
}

.form--trade .form__section {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-4);
  margin-bottom: var(--spacing-4);
  background: var(--color-bg-secondary);
}

.form--trade .form__section__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-4);
  padding-bottom: var(--spacing-2);
  border-bottom: 1px solid var(--color-border);
}

.form--lineup {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-4);
}

.form--lineup .form__group {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-3);
  background: var(--color-bg-secondary);
}

.form--lineup .form__group__title {
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: var(--font-size-sm);
}

/* ========================================
   FORMULAIRES AVEC VALIDATION
   ======================================== */
.form--validation .form__input:invalid {
  border-color: var(--color-danger);
}

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

.form--validation .form__input:placeholder-shown {
  border-color: var(--color-border);
}

/* ========================================
   FORMULAIRES COMPACTS
   ======================================== */
.form--compact {
  gap: var(--spacing-2);
}

.form--compact .form__group {
  gap: var(--spacing-1);
}

.form--compact .form__input {
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-sm);
  min-height: 36px;
}

.form--compact .form__label {
  font-size: var(--font-size-xs);
}

/* ========================================
   FORMULAIRES HORIZONTAUX
   ======================================== */
.form--horizontal .form__group {
  flex-direction: row;
  align-items: center;
  gap: var(--spacing-4);
}

.form--horizontal .form__label {
  flex: 0 0 120px;
  text-align: right;
  margin-bottom: 0;
}

.form--horizontal .form__input,
.form--horizontal .form__select,
.form--horizontal .form__textarea {
  flex: 1;
}

/* ========================================
   FORMULAIRES AVEC ICÔNES
   ======================================== */
.form__input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.form__input-group .form__input {
  padding-left: var(--spacing-10);
}

.form__input-group .form__icon {
  position: absolute;
  left: var(--spacing-3);
  color: var(--color-text-secondary);
  pointer-events: none;
  z-index: 10;
}

.form__input-group .form__input:focus + .form__icon {
  color: var(--color-primary);
}

.form__input-group--right .form__input {
  padding-left: var(--spacing-4);
  padding-right: var(--spacing-10);
}

.form__input-group--right .form__icon {
  left: auto;
  right: var(--spacing-3);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 768px) {
  .form__row {
    flex-direction: column;
    gap: var(--spacing-3);
  }
  
  .form__col {
    width: 100%;
  }
  
  .form--horizontal .form__group {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-2);
  }
  
  .form--horizontal .form__label {
    flex: none;
    text-align: left;
  }
  
  .form--lineup {
    grid-template-columns: 1fr;
  }
  
  .form--player-edit .form__col--stats {
    flex: 1;
  }
}

@media (max-width: 480px) {
  .form__input {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-sm);
    min-height: 40px;
  }
  
  .form__textarea {
    min-height: 100px;
  }
  
  .form__file__label {
    padding: var(--spacing-3) var(--spacing-4);
    min-height: 100px;
  }
  
  .form__switch {
    gap: var(--spacing-2);
  }
  
  .form__switch__input {
    width: 40px;
    height: 22px;
  }
  
  .form__switch__input::before {
    width: 18px;
    height: 18px;
  }
  
  .form__switch input:checked + .form__switch__input::before {
    transform: translateX(18px);
  }
}

/* ========================================
   ANIMATIONS
   ======================================== */
.form__input:focus {
  transform: translateY(-1px);
}

.form__message {
  animation: form-message-slide-in 0.3s ease-out;
}

@keyframes form-message-slide-in {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.form__file__label {
  transition: all var(--transition-medium);
}

.form__file__label:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ========================================
   UTILITAIRES
   ======================================== */
.form__help {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-1);
}

.form__required {
  color: var(--color-danger);
  font-weight: var(--font-weight-bold);
}

.form__optional {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-xs);
}

.form__divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--spacing-4) 0;
}

.form__section {
  margin-bottom: var(--spacing-6);
}

.form__section__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-4);
  padding-bottom: var(--spacing-2);
  border-bottom: 2px solid var(--color-primary);
}