/* ==============================================================
   SIDEBAR — retrátil vertical (expandida / colapsada / escondida)
   ============================================================== */

.app-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-sidebar);
    color: var(--text-on-sidebar);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: width var(--t), transform var(--t-slow);
    box-shadow: 4px 0 12px rgba(0, 0, 0, 0.08);
}

/* Brand no topo */
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    height: var(--topbar-height);
    padding: 0 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    flex-shrink: 0;
    overflow: hidden;
}
.sidebar-brand-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    flex-shrink: 0;
}
.sidebar-brand-text {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 1.05rem;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sidebar-brand-text small {
    display: block;
    font-size: 0.68rem;
    font-weight: 400;
    color: var(--text-on-sidebar);
    margin-top: 2px;
    letter-spacing: 0.04em;
}

/* Navegação */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 16px 0;
}
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.12); }

.sidebar-section {
    padding: 20px 20px 6px;
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.4);
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    color: var(--text-on-sidebar);
    font-size: 0.88rem;
    font-weight: 500;
    white-space: nowrap;
    cursor: pointer;
    border-left: 3px solid transparent;
    transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}
.sidebar-item:hover {
    background: var(--bg-sidebar-hover);
    color: #fff;
}
.sidebar-item.active {
    background: linear-gradient(90deg, rgba(74, 127, 224, 0.2), transparent);
    color: #fff;
    border-left-color: var(--color-primary);
}
.sidebar-item .icon {
    font-size: 1rem;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}
.sidebar-item .label {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sidebar-item .badge {
    background: var(--color-danger);
    color: #fff;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}
/* Badge neutro: contador de subitens em menus com submenu */
.sidebar-item .badge.badge-count {
    background: rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.85);
    min-width: 22px;
    text-align: center;
    transition: background var(--t-fast), color var(--t-fast);
}
.sidebar-item:hover .badge.badge-count,
.sidebar-item.open .badge.badge-count,
.sidebar-item.active .badge.badge-count {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}
.sidebar-item .chevron {
    font-size: 0.7rem;
    transition: transform var(--t-fast);
    flex-shrink: 0;
}
.sidebar-item.open .chevron { transform: rotate(90deg); }

/* Submenu expansível */
.sidebar-submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--t) ease;
    background: rgba(0, 0, 0, 0.15);
}
.sidebar-submenu.open { max-height: none; }
.sidebar-subitem {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px 8px 52px;
    font-size: 0.83rem;
    color: rgba(255, 255, 255, 0.65);
    cursor: pointer;
    transition: background var(--t-fast), color var(--t-fast);
}
.sidebar-subitem:hover { background: var(--bg-sidebar-hover); color: #fff; }
.sidebar-subitem.active { color: #fff; }
.sidebar-subitem::before {
    content: '';
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.6;
}

/* Variante numerada: usa o atributo data-num em vez da bolinha */
.sidebar-subitem.numerado::before {
    content: attr(data-num);
    width: auto;
    height: auto;
    border-radius: 0;
    background: transparent;
    opacity: 0.9;
    font-size: 0.78rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.55);
    min-width: 18px;
    text-align: center;
}
.sidebar-subitem.numerado:hover::before,
.sidebar-subitem.numerado.active::before {
    color: #fff;
}

/* Rodapé da sidebar (user card) */
.sidebar-footer {
    flex-shrink: 0;
    padding: 14px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    gap: 10px;
    overflow: hidden;
}

/* Botão Sair / Entrar no rodapé */
.sidebar-logout-btn {
    flex-shrink: 0;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: background var(--t-fast), color var(--t-fast);
}
.sidebar-logout-btn:hover {
    background: var(--color-danger);
    color: #fff;
}
body.sidebar-collapsed .sidebar-logout-btn {
    display: none;
}
.sidebar-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.88rem;
    flex-shrink: 0;
}
.sidebar-user-info {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}
.sidebar-user-name {
    color: #fff;
    font-weight: 600;
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sidebar-user-role {
    color: var(--text-on-sidebar);
    font-size: 0.72rem;
    white-space: nowrap;
}
.sidebar-user-empresa {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.68rem;
    font-weight: 500;
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    gap: 4px;
}
.sidebar-user-empresa i {
    font-size: 0.62rem;
    opacity: 0.7;
}

/* ============ Estado: COLAPSADA ============ */
body.sidebar-collapsed .app-sidebar {
    width: var(--sidebar-collapsed-width);
}
body.sidebar-collapsed .sidebar-brand-text,
body.sidebar-collapsed .sidebar-section,
body.sidebar-collapsed .sidebar-item .label,
body.sidebar-collapsed .sidebar-item .badge,
body.sidebar-collapsed .sidebar-item .chevron,
body.sidebar-collapsed .sidebar-user-info,
body.sidebar-collapsed .sidebar-submenu {
    display: none;
}
body.sidebar-collapsed .sidebar-item,
body.sidebar-collapsed .sidebar-footer {
    justify-content: center;
    padding-left: 0;
    padding-right: 0;
}
body.sidebar-collapsed .sidebar-brand { padding: 0; justify-content: center; }

/* ============ Modo horizontal: esconde o sidebar vertical ============ */
/* Quando o layout é horizontal (menu no topbar), o sidebar vertical fica oculto
   para não duplicar navegação. Usamos !important para vencer a especificidade
   de regras base como ".app-sidebar { display: flex }". */
body.layout-horizontal .app-sidebar,
body.layout-horizontal .sidebar-backdrop {
    display: none !important;
}

/* Tooltip quando colapsada (on hover) */
body.sidebar-collapsed .sidebar-item {
    position: relative;
}
body.sidebar-collapsed .sidebar-item::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(100% + 8px);
    top: 50%;
    transform: translateY(-50%);
    background: #0f172a;
    color: #fff;
    padding: 6px 10px;
    border-radius: var(--radius);
    font-size: 0.78rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--t-fast);
    z-index: 1100;
    box-shadow: var(--shadow);
}
body.sidebar-collapsed .sidebar-item:hover::after { opacity: 1; }

/* ============ Estado: ESCONDIDA (layout horizontal ou mobile) ============ */
body.sidebar-hidden .app-sidebar {
    transform: translateX(-100%);
}

/* Overlay para mobile */
.sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--t);
}
body.sidebar-mobile-open .sidebar-backdrop {
    opacity: 1;
    pointer-events: auto;
}

@media (max-width: 768px) {
    .app-sidebar { transform: translateX(-100%); }
    body.sidebar-mobile-open .app-sidebar { transform: translateX(0); }
}

/* Avatar com imagem (ocupa o círculo inteiro) */
.sidebar-user-avatar {
    overflow: hidden;
    padding: 0;
}
.sidebar-user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}