.sidebar {
    position: fixed;
    left: 0;
    top: var(--header-height);
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    background-color: var(--dark-bg);
    padding: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    box-shadow: 10px 2px 80px -34px rgba(0,0,0,0.75);
    -webkit-box-shadow: 10px 2px 80px -34px rgba(0,0,0,0.75);
    -moz-box-shadow: 10px 2px 80px -34px rgba(0,0,0,0.75);
    transition: transform 0.3s ease;
}

.sidebar-handle {
    display: none;
}

.sidebar-content {
    flex-shrink: 0;
}

.search-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.search-bar {
    flex: 1;
    height: 50px;
    background-color: #34495E;
    border-radius: 25px;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.search-bar i {
    color: white;
    font-size: 18px;
}

.search-bar input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: white;
    font-size: 16px;
}

.search-bar input::placeholder {
    color: #95A5A6;
}

.retour {
    background: #34495E;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.retour:hover {
    background: #2C3E50;
    transform: scale(1.05);
}

.retour i {
    font-size: 18px;
}

#reopenSidebarBtn {
    translate: 60%;
}

.sidebar-nav {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.nav-item {
    height: 50px;
    display: flex;
    align-items: center;
    padding: 0 20px;
    border-radius: 10px;
    color: white;
    text-decoration: none;
    gap: 15px;
    transition: all 0.3s;
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-item.active {
    background-color: #1A252F;
    color: var(--accent-blue);
}

.nav-item i {
    font-size: 20px;
}

.nav-item span {
    font-size: 16px;
}

.sidebar-pages {
    display: none;
    flex: 1;
    overflow: hidden;
    position: relative;
}

.sidebar-page {
    display: none;
    flex-direction: column;
    height: 100%;
    overflow-y: auto;
}

.sidebar-page.active {
    display: flex;
}

.sidebar-page .page-content {
    flex: 1;
    overflow-y: auto;
    padding: 0 20px;
}

.side-panel {
    position: fixed;
    left: var(--sidebar-width);
    top: var(--header-height);
    width: 400px;
    height: calc(100vh - var(--header-height));
    background-color: #3a536b;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.2);
    z-index: 999;
    transform: translateX(-200%);
    transition: transform 0.3s ease;
}

.side-panel.open {
    transform: translateX(0);
}

.side-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.side-panel-header h2 {
    color: white;
    font-size: 24px;
    margin: 0;
    margin-left: 15px;
}

.close-panel {
    background: transparent;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 5px 10px;
    transition: color 0.2s;
}

.close-panel:hover {
    color: var(--accent-blue);
}

.side-panel-content {
    height: calc(100% - 70px);
    overflow-y: auto;
    padding: 20px;
}

@media (max-width: 768px) {
    .sidebar {
        left: 0;
        top: auto;
        bottom: 0;
        width: 100%;
        height: 160px;
        min-height: 160px;
        border-top-left-radius: 25px;
        border-top-right-radius: 25px;
        box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.3);
        padding: 0;
        will-change: height;
    }

    .sidebar.animating {
        transition: height 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
    }

    .sidebar.collapsed {
        height: 80px;
    }

    .sidebar.half {
        height: 50vh;
    }

    .sidebar.expanded {
        height: calc(100vh - 100px);
    }

    .sidebar-handle {
        display: block;
        width: 40px;
        height: 5px;
        background-color: rgba(255, 255, 255, 0.3);
        border-radius: 3px;
        margin: 8px auto;
        flex-shrink: 0;
        cursor: grab;
        touch-action: none;
        position: relative;
        z-index: 100;
    }

    .sidebar-handle::before {
        content: '';
        position: absolute;
        top: -15px;
        left: -20px;
        right: -20px;
        bottom: -15px;
        z-index: 100;
    }

    .sidebar-handle:active {
        cursor: grabbing;
    }    .sidebar-content {
        padding: 0 20px 10px 20px;
        display: flex;
        flex-direction: column;
        height: calc(100% - 21px);
    }

    .search-container {
        flex-shrink: 0;
        margin-bottom: 10px;
    }

    .retour {
        display: none;
    }

    .search-bar {
        height: 45px;
        flex-shrink: 0;
    }

    .sidebar-nav {
        display: flex;
        flex-direction: row;
        justify-content: space-around;
        margin-top: auto;
        padding: 10px 0 15px 0;
        gap: 0;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        flex-shrink: 0;
        order: 999;
    }

    .nav-item {
        flex-direction: column;
        align-items: center;
        gap: 3px;
        padding: 5px;
        flex: 1;
        max-width: 80px;
        height: 60px;
        min-height: 60px;
        border-radius: 0;
    }

    .nav-item:hover {
        background-color: transparent;
    }

    .nav-item i {
        font-size: 20px;
    }

    .nav-item span {
        font-size: 10px;
        text-align: center;
    }

    .nav-item.active {
        background-color: transparent;
        color: #3498DB;
    }

    .sidebar-pages {
        display: block;
        flex: 1;
        overflow: hidden;
        scrollbar-width: none;
        -ms-overflow-style: none;
        order: 1;
    }

    .sidebar-pages::-webkit-scrollbar {
        display: none;
    }

    .sidebar-page {
        height: 100%;
        overflow-y: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
        display: none;
    }

    .sidebar-page.active {
        display: flex;
    }

    .sidebar-page::-webkit-scrollbar {
        display: none;
    }

    .sidebar-page .page-content {
        padding: 0 20px;
    }

    .side-panel {
        display: none;
    }
}