/**
 * ============================================
 * COMPONENTS - Composants réutilisables
 * ============================================
 * Boutons, formulaires, alertes, cards, etc.
 * ============================================
 */

/* ============================================
   BOUTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    font-size: var(--text-base);
    font-weight: 600;
    line-height: 1;
    text-align: center;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Variantes de boutons */
.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
}

.btn-primary:hover:not(:disabled) {
    background: var(--gradient-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(139, 92, 246, 0.3);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-800);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--gray-300);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover:not(:disabled) {
    background: var(--primary);
    color: var(--white);
}

/* Tailles de boutons */
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--text-sm);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--text-lg);
}

.btn-block {
    width: 100%;
}

/* ============================================
   FORMULAIRES
   ============================================ */

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

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: #000000;
    font-weight: 600;
    font-size: var(--text-sm);
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: var(--text-base);
    line-height: 1.5;
    color: #ffffff;
    background: #1e293b;
    border: 2px solid #334155;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.form-control::placeholder {
    color: #94a3b8;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background: #1e293b;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

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

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

.form-text {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--text-sm);
    color: #000000;
}

.invalid-feedback {
    display: none;
    margin-top: var(--spacing-xs);
    font-size: var(--text-sm);
    color: var(--error);
}

.invalid-feedback.show {
    display: block;
}

.valid-feedback {
    display: none;
    margin-top: var(--spacing-xs);
    font-size: var(--text-sm);
    color: var(--success);
}

.valid-feedback.show {
    display: block;
}

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

.form-check-input {
    width: 1.125rem;
    height: 1.125rem;
    cursor: pointer;
}

.form-check-label {
    font-size: var(--text-sm);
    color: #000000;
    cursor: pointer;
    font-weight: 500;
}

/* ============================================
   ALERTES
   ============================================ */

.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    line-height: 1.5;
}

.alert-success {
    background: var(--success-light);
    color: var(--success-dark);
    border: 1px solid var(--success);
}

.alert-error {
    background: var(--error-light);
    color: var(--error-dark);
    border: 1px solid var(--error);
}

.alert-warning {
    background: var(--warning-light);
    color: var(--warning-dark);
    border: 1px solid var(--warning);
}

.alert-info {
    background: var(--info-light);
    color: var(--info-dark);
    border: 1px solid var(--info);
}

/* ============================================
   CARDS
   ============================================ */

.card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    padding: 1.25rem 1.5rem;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1.25rem 1.5rem;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

/* ============================================
   BADGES
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: var(--text-xs);
    font-weight: 600;
    line-height: 1;
    border-radius: var(--radius-full);
}

.badge-primary {
    background: var(--primary-lighter);
    color: var(--primary-darker);
}

.badge-success {
    background: var(--success-light);
    color: var(--success-dark);
}

.badge-error {
    background: var(--error-light);
    color: var(--error-dark);
}

.badge-warning {
    background: var(--warning-light);
    color: var(--warning-dark);
}

/* ============================================
   SPINNER / LOADER
   ============================================ */

.spinner {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--white);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.spinner-primary {
    border-color: rgba(139, 92, 246, 0.3);
    border-top-color: var(--primary);
}