.app-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    grid-template-rows: 1fr;
    height: 100vh;
    width: 100vw;
}

/* Sidebar */
.sidebar {
    background-color: var(--bg-sidebar);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    padding: 32px 24px;
    z-index: 10;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 40px;
}

.logo span span {
    color: var(--accent-primary);
}

.nav-menu {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--text-dim);
    border-radius: var(--border-radius);
    transition: var(--transition-smooth);
}

.nav-item:hover,
.nav-item.active {
    background-color: var(--bg-card);
    color: var(--text-main);
}

.nav-item.active {
    border-left: 4px solid var(--accent-primary);
}

.user-profile {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.user-info .username {
    font-weight: 600;
    font-size: 14px;
}

.user-info .user-role {
    font-size: 12px;
    color: var(--text-dim);
}

.logout-btn {
    margin-left: auto;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-dim);
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.logout-btn:hover {
    background: rgba(255, 69, 58, 0.1);
    color: #ff453a;
    border-color: #ff453a;
    transform: scale(1.1);
}

.logout-btn .icon {
    width: 18px;
    height: 18px;
}

.nav-group {
    display: flex;
    flex-direction: column;
}

.nav-submenu {
    display: flex;
    flex-direction: column;
    margin-top: 5px;
}

.submenu-item {
    padding-left: 3rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

.submenu-item.active {
    opacity: 1;
}

/* Main Content Area */
.main-content {
    background: var(--bg-dark);
    padding: 24px 32px;
    overflow-y: auto;
    position: relative;
}


/* Mobile Menu Elements */
.mobile-menu-btn {
    display: none;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #ffffff !important;
    cursor: pointer;
    padding: 10px;
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(138, 43, 226, 0.4);
    transition: var(--transition-smooth);
    align-items: center;
    justify-content: center;
}

.mobile-menu-btn .icon {
    width: 24px;
    height: 24px;
}

.mobile-only-title {
    display: none;
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
    padding-left: 70px;
    /* Plus d'espace pour l'aligner à côté du hamburger bouton */
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

.sidebar-header-mobile {
    display: none;
}

.content-header {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 16px 0;
    margin-bottom: 32px;
    position: sticky;
    top: 0;
    background: transparent;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 100;
}

.close-menu-btn {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 28px;
    cursor: pointer;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 100;
}

/* Responsiveness */
@media (max-width: 1024px) {
    .app-container {
        grid-template-columns: 240px 1fr;
    }
}

@media (max-width: 768px) {
    .app-container {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr;
    }

    .mobile-menu-btn {
        display: flex !important;
        position: absolute;
        left: 20px;
        top: 50%;
        transform: translateY(-50%);
        z-index: 1000;
    }

    .mobile-only-title {
        display: block;
        flex: 1;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: -280px;
        width: 280px;
        height: 100vh;
        z-index: 101;
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        background: var(--bg-sidebar);
        padding: 20px;
    }

    .sidebar.open {
        transform: translateX(280px);
    }

    .sidebar-overlay.visible {
        display: block;
    }

    .sidebar-header-mobile {
        display: flex;
    }

    .logo-desktop {
        display: none;
    }

    .main-content {
        padding: 15px;
    }

    .content-header {
        margin-bottom: 20px;
        padding: 5px 0;
        min-height: auto;
    }

    .search-bar-container {
        width: 100% !important;
        padding-left: 80px;
        /* Espace généreux pour le bouton hamburger */
    }

    .search-input-wrapper {
        width: 100%;
    }
}