/* Sidebar y Navegación */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    color: var(--text-white);
    transition: width var(--transition-normal), transform var(--transition-normal);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 50;
    overflow-y: auto;
}

.sidebar-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-logo {
    font-size: 1.1rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.sidebar-logo img {
    width: 28px;
    height: 28px;
    object-fit: contain;
    border-radius: 50%;
}

.sidebar-nav {
    flex: 1;
    padding: 0.5rem 0;
}

.nav-group {
    margin-bottom: 0.4rem;
}

.nav-group-title {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.6);
    padding: 0 0.5rem;
    margin-bottom: 0.2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
}

.nav-group-arrow {
    transition: transform var(--transition-fast);
    font-size: 0.65rem;
}

.nav-group-items {
    display: none;
    flex-direction: column;
}

.nav-group.expanded .nav-group-items {
    display: flex;
}

.nav-group.expanded .nav-group-arrow {
    transform: rotate(90deg);
}

.nav-subgroup {
    margin-top: 0.25rem;
}

.nav-subgroup-title {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: rgba(255, 255, 255, 0.5);
    padding: 0 0.5rem 0 0.75rem;
    margin-bottom: 0.2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
}

.nav-subgroup-items {
    display: none;
    flex-direction: column;
}

.nav-subgroup.expanded .nav-subgroup-items {
    display: flex;
}

.nav-subgroup.expanded .nav-group-arrow {
    transform: rotate(90deg);
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.35rem 0.5rem;
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-fast);
    cursor: pointer;
    border-left: 3px solid transparent;
    font-size: 0.875rem;
}

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

.nav-item.active {
    border-left-color: var(--primary-color);
}

.nav-icon {
    width: 20px;
    height: 20px;
    margin-right: 0.35rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-footer {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-footer .nav-item {
    width: 100%;
}

/* Sidebar Colapsado */
.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar.collapsed .nav-text,
.sidebar.collapsed .sidebar-logo span {
    display: none;
}

.sidebar.collapsed .nav-group-title {
    display: none;
}

.sidebar.collapsed .nav-subgroup-title {
    display: none;
}

.sidebar.collapsed .sidebar-header {
    justify-content: center;
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: 0.35rem 0;
    position: relative;
    overflow: visible;
}

.sidebar.collapsed .nav-icon {
    margin-right: 0;
}

.sidebar.collapsed .nav-item::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(100% + 8px);
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--bg-sidebar);
    color: var(--text-white);
    padding: 0.25rem 0.5rem;
    border-radius: 0.35rem;
    font-size: 0.75rem;
    line-height: 1;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
    z-index: 80;
}

.sidebar.collapsed .nav-item:hover::after {
    opacity: 1;
    visibility: visible;
}

/* Contenido Principal */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition-normal);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    width: 100%;
    overflow-x: hidden;
}

.sidebar.collapsed + .main-content {
    margin-left: var(--sidebar-collapsed-width);
}

.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
    z-index: 45;
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

@media (max-width: 768px) {
    .sidebar {
        width: min(88vw, 340px);
        transform: translateX(-100%);
        box-shadow: var(--shadow-lg);
        border-top-right-radius: 1rem;
        border-bottom-right-radius: 1rem;
        padding-bottom: env(safe-area-inset-bottom, 0px);
    }

    .sidebar-header {
        height: auto;
        min-height: var(--header-height);
        padding: 0.75rem 0.85rem 0.7rem;
    }

    .sidebar-logo {
        width: 100%;
        justify-content: flex-start;
        font-size: 1rem;
    }

    .sidebar-logo img {
        width: 34px;
        height: 34px;
    }

    .sidebar-nav {
        padding: 0.55rem 0.35rem 0.75rem;
    }

    .nav-group {
        margin-bottom: 0.55rem;
    }

    .nav-group-title,
    .nav-subgroup-title {
        padding-left: 0.6rem;
        padding-right: 0.6rem;
    }

    .nav-item {
        padding: 0.7rem 0.75rem;
        min-height: 46px;
        border-radius: 0.8rem;
        margin: 0.08rem 0;
        border-left-width: 0;
    }

    .nav-item.active {
        box-shadow: inset 0 0 0 1px rgba(255,255,255,0.12);
    }

    .nav-icon {
        width: 24px;
        height: 24px;
        margin-right: 0.55rem;
        font-size: 1rem;
    }

    .sidebar-footer {
        padding: 0.65rem 0.45rem calc(0.8rem + env(safe-area-inset-bottom, 0px));
    }

    .sidebar-footer .nav-item {
        justify-content: flex-start;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0 !important;
    }

    body.mobile-sidebar-open {
        overflow: hidden;
        touch-action: none;
    }
}