.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 260px;
    height: 100vh;
    background-color: #FFF9F2;
    border-right: 1px solid rgba(255, 79, 160, 0.2);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 24px 16px;
    z-index: 100;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.sidebar-logo {
    width: 46px;
    height: 46px;
}

.sidebar-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: #222222;
}

.sidebar-nav {
    flex: 1;
    margin-top: 24px;
}

.sidebar-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sidebar-nav a {
    display: block;
    padding: 12px 16px;
    color: #555555;
    text-decoration: none;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background-color: #FFF4DF;
    color: #FF4FA0;
}

.sidebar-footer {
    padding-top: 16px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.auth-buttons {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.btn-auth {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: opacity 0.2s;
}

.btn-login {
    background-color: transparent;
    border: 1px solid #FF4FA0;
    color: #FF4FA0;
}

.btn-signup {
    background-color: #FF4FA0;
    border: none;
    color: #FFF9F2;
}

.btn-auth:hover {
    opacity: 0.85;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    font-weight: 600;
    color: #222222;
}

/* Boutons de contrôle mobile */
.mobile-toggle-btn {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 90;
    background: #FFF9F2;
    border: 1px solid rgba(255, 79, 160, 0.3);
    border-radius: 10px;
    padding: 8px;
    color: #FF4FA0;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.mobile-close-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: #555555;
    cursor: pointer;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    z-index: 95;
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* Adaptations Mobile (max 768px) */
@media (max-width: 768px) {
    .mobile-toggle-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .mobile-close-btn {
        display: block;
    }

    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .sidebar-overlay.active {
        display: block;
        opacity: 1;
    }
}