.sidebar {
    width: 56px;
    min-width: 56px;
    max-width: 56px;
    background: linear-gradient(180deg, #6B95BA 0%, #526E87 40%, #405566 70%, #020D12 100%);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    display: flex;
    flex-direction: column;
    transition: width 0.3s ease, min-width 0.3s ease, max-width 0.3s ease;
    z-index: 1000;
    box-shadow: 2px 0 4px rgba(0,0,0,0.12);
    overflow: visible; /* permite o botão de expandir (right: -12px) aparecer por completo */
}

.sidebar.collapsed {
    width: 240px;
    min-width: 240px;
    max-width: 240px;
}

/* Desktop: sidebar fixa, sem transform (layout original) */
@media (min-width: 769px) {
    .sidebar {
        width: 56px;
        min-width: 56px;
        max-width: 56px;
        transform: none;
    }
    .sidebar.collapsed {
        width: 240px;
        min-width: 240px;
        max-width: 240px;
        transform: none;
    }
}

/* Mobile: sidebar vira drawer (escondida fora da tela, entra ao abrir) */
@media (max-width: 768px) {
    .sidebar {
        width: 240px;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    .sidebar.collapsed {
        transform: translateX(0);
    }

    /* Mobile: compactar para caber na viewport sem scroll (footer visível) */
    .sidebar-content {
        padding: 6px 8px;
        gap: 0;
    }

    .sidebar-item {
        padding: 6px 10px;
        border-radius: 6px;
    }

    .sidebar-item i {
        font-size: 15px;
        width: 16px;
    }

    .sidebar-label {
        font-size: 12px;
    }

    .sidebar.collapsed .sidebar-item {
        gap: 8px;
        padding: 6px 10px;
    }

    .sidebar-divider {
        margin: 3px 0;
    }

    .sidebar-footer {
        padding: 6px 8px 8px;
        gap: 6px;
    }

    .sidebar-footer-logo {
        padding: 0 8px;
    }

    .sidebar-footer-logo-img {
        height: 20px;
    }

    .sidebar.collapsed .sidebar-footer-logo-img {
        height: 18px;
    }
}

.sidebar-content {
    flex: 1 1 0;
    min-height: 0;
    min-width: 0;
    padding: 10px 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sidebar-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 8px 10px;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    text-decoration: none;
    border-radius: 8px;
    border: none;
    background: transparent;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
    flex-shrink: 0;
}

a.sidebar-item {
    text-decoration: none;
}

.sidebar-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: white;
}

.sidebar-item.active {
    background: #1E475C;
    color: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.sidebar-item i {
    font-size: 16px;
    width: 18px;
    text-align: center;
}

.sidebar-label {
    font-size: 13px;
    white-space: nowrap;
    opacity: 0;
    width: 0;
    overflow: hidden;
    transition: opacity 0.3s, width 0.3s;
}

.sidebar.collapsed .sidebar-label {
    opacity: 1;
    width: auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar.collapsed .sidebar-item {
    justify-content: flex-start;
    gap: 10px;
    padding: 8px 12px;
}

.profile-item {
    margin-bottom: 10px;
}

.sidebar-profile-img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
}

.sidebar-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
    margin: 4px 0;
    flex-shrink: 0;
}

.sidebar-footer {
    flex-shrink: 0;
    min-width: 0;
    padding: 8px 10px 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
}

.sidebar-footer-logo {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 0 12px;
    width: 100%;
}

.sidebar-footer-logo-img {
    height: 24px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
}

.sidebar.collapsed .sidebar-footer-logo-img {
    height: 22px;
}

.sidebar-item-logout {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    font: inherit;
    color: #e57373;
    border-radius: 8px;
    margin-bottom: 0;
}

.sidebar-item-logout:hover {
    color: #ff8a80;
    background: rgba(229, 115, 115, 0.15);
}

.sidebar-toggle {
    position: absolute;
    top: 20px;
    right: -12px;
    width: 24px;
    height: 24px;
    background: white;
    border: 1px solid #D4DDE5;
    border-radius: 50%;
    color: #6B7C8E;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    transition: all 0.2s;
    z-index: 1001;
}

.sidebar-toggle:hover {
    background: #F8FAFB;
    color: #3D5268;
    transform: scale(1.1);
}

.sidebar-toggle i {
    font-size: 10px;
}

/* Telas altas (ex.: 1440p): menu mais confortável; até ~1080px de altura mantém compacto sem scroll */
@media (min-height: 1100px) {
    .sidebar-content {
        padding: 16px 10px;
        gap: 6px;
    }

    .sidebar-item {
        padding: 10px 12px;
        border-radius: 10px;
    }

    .sidebar-item i {
        font-size: 18px;
        width: 20px;
    }

    .sidebar-label {
        font-size: 14px;
    }

    .sidebar.collapsed .sidebar-item {
        gap: 12px;
        padding: 10px 16px;
    }

    .sidebar-divider {
        margin: 6px 0;
    }

    .sidebar-footer {
        padding: 12px 10px 20px;
        gap: 10px;
    }

    .sidebar-footer-logo {
        padding: 0 16px;
    }

    .sidebar-footer-logo-img {
        height: 28px;
    }

    .sidebar.collapsed .sidebar-footer-logo-img {
        height: 26px;
    }
}