/* ============================================
   PlanningPro - Composants réutilisables
   ============================================ */

/* ============================================
   1. Boutons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Variantes */
.btn-primary {
    background: var(--primary-600);
    color: white;
    border-color: var(--primary-600);
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-700);
    border-color: var(--primary-700);
}

.btn-secondary {
    background: var(--gray-600);
    color: white;
    border-color: var(--gray-600);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--gray-700);
    border-color: var(--gray-700);
}

.btn-success {
    background: var(--success-600);
    color: white;
    border-color: var(--success-600);
}

.btn-success:hover:not(:disabled) {
    background: var(--success-500);
}

.btn-danger {
    background: var(--danger-600);
    color: white;
    border-color: var(--danger-600);
}

.btn-danger:hover:not(:disabled) {
    background: var(--danger-500);
}

.btn-warning {
    background: var(--warning-600);
    color: white;
    border-color: var(--warning-600);
}

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

.btn-outline:hover:not(:disabled) {
    background: var(--bg-secondary);
    border-color: var(--gray-400);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* Tailles */
.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    padding: var(--spacing-sm);
    width: 36px;
    height: 36px;
}

.btn-icon.btn-sm {
    width: 28px;
    height: 28px;
    padding: var(--spacing-xs);
}

/* Groupe de boutons */
.btn-group {
    display: inline-flex;
}

.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.btn-group .btn:not(:last-child) {
    border-right: none;
}

/* ============================================
   2. Formulaires
   ============================================ */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="number"],
input[type="date"],
input[type="time"],
input[type="search"],
select,
textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

[data-theme="dark"] input:focus,
[data-theme="dark"] select:focus,
[data-theme="dark"] textarea:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

input[type="color"] {
    padding: var(--spacing-xs);
    height: 40px;
    cursor: pointer;
}

textarea {
    resize: vertical;
    min-height: 80px;
}

select {
    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='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* Checkbox et radio */
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.checkbox-label input[type="checkbox"],
.checkbox-label input[type="radio"] {
    width: 18px;
    height: 18px;
    margin: 0;
    cursor: pointer;
    accent-color: var(--primary-600);
}

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

.input-with-icon input {
    padding-left: 40px;
}

.input-with-icon .input-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

/* ============================================
   3. Modales
   ============================================ */
.modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    visibility: hidden;
    opacity: 0;
    transition: all var(--transition-normal);
}

.modal.active {
    visibility: visible;
    opacity: 1;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    margin: var(--spacing-md);
    transform: scale(0.95) translateY(20px);
    transition: transform var(--transition-normal);
}

.modal.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-content.modal-sm {
    max-width: 400px;
}

.modal-content.modal-lg {
    max-width: 700px;
}

.modal-content.modal-xl {
    max-width: 900px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    flex: 1;
}

.modal-body form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

/* ============================================
   4. Dropdown
   ============================================ */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 180px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

.dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(4px);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--bg-secondary);
}

.dropdown-item.danger {
    color: var(--danger-600);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--spacing-xs) 0;
}

/* ============================================
   5. Tabs
   ============================================ */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    gap: var(--spacing-xs);
}

.tab {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    color: var(--primary-600);
    border-bottom-color: var(--primary-600);
}

.tab-content {
    padding: var(--spacing-lg) 0;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* ============================================
   6. Tooltips
   ============================================ */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--gray-800);
    color: white;
    font-size: var(--font-size-xs);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    pointer-events: none;
    z-index: 50;
    margin-bottom: 4px;
}

[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   7. Badges
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    background: var(--gray-200);
    color: var(--gray-700);
}

.badge-primary {
    background: var(--primary-100);
    color: var(--primary-700);
}

.badge-success {
    background: var(--success-50);
    color: var(--success-600);
}

.badge-warning {
    background: var(--warning-50);
    color: var(--warning-600);
}

.badge-danger {
    background: var(--danger-50);
    color: var(--danger-600);
}

.badge-count {
    min-width: 20px;
    height: 20px;
    padding: 0 var(--spacing-xs);
    border-radius: var(--radius-full);
}

/* ============================================
   8. Avatars
   ============================================ */
.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--primary-500);
    color: white;
    font-weight: 600;
    overflow: hidden;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: var(--font-size-sm);
}

.avatar-md {
    width: 40px;
    height: 40px;
    font-size: var(--font-size-base);
}

.avatar-lg {
    width: 56px;
    height: 56px;
    font-size: var(--font-size-xl);
}

.avatar-group {
    display: flex;
}

.avatar-group .avatar {
    border: 2px solid var(--bg-primary);
    margin-left: -8px;
}

.avatar-group .avatar:first-child {
    margin-left: 0;
}

/* ============================================
   9. Empty states
   ============================================ */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    text-align: center;
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.empty-state-text {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 400px;
}

/* ============================================
   10. Loading states
   ============================================ */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.spinner-sm {
    width: 16px;
    height: 16px;
    border-width: 2px;
}

.spinner-lg {
    width: 40px;
    height: 40px;
    border-width: 4px;
}

.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

[data-theme="dark"] .loading-overlay {
    background: rgba(31, 41, 55, 0.8);
}

/* Skeleton loading */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--gray-200) 25%,
        var(--gray-100) 50%,
        var(--gray-200) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-text {
    height: 16px;
    margin-bottom: var(--spacing-sm);
}

.skeleton-text:last-child {
    width: 60%;
}

.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

/* ============================================
   11. Alerts
   ============================================ */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
}

.alert-icon {
    font-size: var(--font-size-lg);
    line-height: 1;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.alert-info {
    background: var(--info-50);
    border-color: var(--info-500);
    color: var(--info-600);
}

.alert-success {
    background: var(--success-50);
    border-color: var(--success-500);
    color: var(--success-600);
}

.alert-warning {
    background: var(--warning-50);
    border-color: var(--warning-500);
    color: var(--warning-600);
}

.alert-danger {
    background: var(--danger-50);
    border-color: var(--danger-500);
    color: var(--danger-600);
}

/* ============================================
   12. Progress
   ============================================ */
.progress {
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--primary-500);
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
}

.progress-bar.success { background: var(--success-500); }
.progress-bar.warning { background: var(--warning-500); }
.progress-bar.danger { background: var(--danger-500); }

/* ============================================
   13. Links
   ============================================ */
.link {
    color: var(--primary-600);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
}

.link:hover {
    color: var(--primary-700);
    text-decoration: underline;
}

/* ============================================
   14. Dividers
   ============================================ */
.divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--spacing-lg) 0;
}

.divider-vertical {
    width: 1px;
    height: 100%;
    background: var(--border-color);
    margin: 0 var(--spacing-md);
}

.divider-text {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.divider-text::before,
.divider-text::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}