/* ============================================
   COMPONENTS.CSS - Composants de l'interface
   ============================================ */

/* ============ STRUCTURE ============ */
.app-container {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: var(--spacing-xl);
    padding-top: calc(var(--topbar-height) + var(--spacing-lg));
    min-height: 100vh;
    transition: margin-left var(--transition-base);
}

/* ============ SIDEBAR (Blanc avec texte noir) ============ */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--white);
    border-right: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    z-index: 300;
    transition: all var(--transition-base);
    overflow-y: auto;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    min-height: var(--topbar-height);
}

.sidebar-logo-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-lg);
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.sidebar-logo-text {
    flex: 1;
    overflow: hidden;
}

.logo-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-extrabold);
    color: var(--gray-900);
    line-height: 1.2;
}

.logo-subtitle {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md) 0;
    overflow-y: auto;
}

.sidebar-section {
    margin-bottom: var(--spacing-sm);
}

.sidebar-section-title {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-400);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: var(--font-weight-bold);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--gray-700);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    position: relative;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.sidebar-link:hover {
    background: var(--gray-50);
    color: var(--gray-900);
    border-left-color: var(--gray-300);
}

.sidebar-link.active {
    background: rgba(44, 201, 121, 0.08);
    color: var(--primary);
    font-weight: var(--font-weight-bold);
    border-left-color: var(--primary);
    animation: slideInRight 0.3s ease;
}

.sidebar-link.active::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 24px;
    background: var(--primary);
    border-radius: 4px 0 0 4px;
}

.sidebar-icon {
    font-size: var(--font-size-lg);
    width: 24px;
    text-align: center;
    flex-shrink: 0;
    filter: grayscale(100%);
    transition: filter var(--transition-base);
}

.sidebar-link.active .sidebar-icon {
    filter: grayscale(0%);
    animation: bounce 0.5s ease;
}

.sidebar-label {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-logout {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    text-align: left;
}

.sidebar-logout:hover {
    color: var(--danger);
}

.sidebar-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--gray-200);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
}

.sidebar-user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-circle);
    background: var(--primary-gradient);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

.sidebar-user-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 299;
}

/* ============ STAT CARD (Design fluide et professionnel) ============ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--white);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid transparent;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-base);
}

.stat-card:hover .stat-card-icon {
    transform: scale(1.1) rotate(5deg);
}

.stat-card-value {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--gray-900);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
    transition: color var(--transition-base);
}

.stat-card:hover .stat-card-value {
    color: var(--primary);
}

.stat-card-label {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    font-weight: var(--font-weight-medium);
}

.stat-card-change {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    padding: 2px 8px;
    border-radius: var(--border-radius-full);
    margin-top: var(--spacing-sm);
}

.stat-card-change.positive {
    background: var(--success-light);
    color: var(--success);
}

.stat-card-change.negative {
    background: var(--danger-light);
    color: var(--danger);
}

/* ============ FOOTER ============ */
.footer {
    margin-left: var(--sidebar-width);
    padding: var(--spacing-lg);
    text-align: center;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    transition: margin-left var(--transition-base);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--gray-500);
    font-size: var(--font-size-sm);
}

.footer-separator {
    color: var(--gray-300);
}

/* ============ ANIMATIONS ============ */
@keyframes slideInRight {
    from {
        transform: translateX(-10px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}