/* ===================================
   ErbsUI - Layout Structure
   =================================== */

/* Layout Container */
.erbs-layout {
    display: flex;
    min-height: 100vh;
    height: auto;
    overflow-x: hidden;
}

/* Sidebar */
.erbs-sidebar {
    width: var(--erbs-sidebar-width);
    max-width: 80vw;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    background-color: var(--erbs-sidebar-bg);
    border-right: 1px solid var(--erbs-border);
    transition: transform var(--erbs-duration-slow) var(--erbs-ease-standard);
    z-index: var(--erbs-z-fixed);
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    contain: layout style paint;
    transform: translateX(-100%);
    box-shadow: var(--erbs-shadow-sm);
}

.erbs-sidebar.mobile-open {
    transform: translateX(0);
    z-index: var(--erbs-z-maximum);
}

.erbs-sidebar::-webkit-scrollbar {
    width: 6px;
}

.erbs-sidebar::-webkit-scrollbar-track {
    background: var(--erbs-bg-secondary);
}

.erbs-sidebar::-webkit-scrollbar-thumb {
    background: var(--erbs-border);
    border-radius: var(--erbs-radius-xs);
}

.erbs-sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--erbs-text-secondary);
}

/* Sidebar Navigation Scroll */
.erbs-sidebar-nav {
    max-height: calc(100vh - var(--erbs-header-height) - 80px);
    overflow-y: auto;
    overflow-x: hidden;
}

.erbs-sidebar-nav::-webkit-scrollbar {
    width: 4px;
}

.erbs-sidebar-nav::-webkit-scrollbar-track {
    background: transparent;
}

.erbs-sidebar-nav::-webkit-scrollbar-thumb {
    background: var(--erbs-border);
    border-radius: var(--erbs-radius-xs);
}

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

.erbs-sidebar.collapsed .erbs-sidebar-item-text {
    display: none;
}

.erbs-sidebar.collapsed .erbs-sidebar-item {
    justify-content: center;
    padding: var(--erbs-spacing-md);
}

/* Sidebar Brand */
.erbs-sidebar-brand {
    padding: var(--erbs-spacing-lg) var(--erbs-spacing-md);
    border-bottom: 1px solid var(--erbs-border);
    display: flex;
    align-items: center;
    gap: var(--erbs-spacing-md);
    background-color: var(--erbs-sidebar-bg);
    min-height: var(--erbs-header-height);
}

.erbs-sidebar-brand img {
    width: 100%;
    max-width: 180px;
    height: auto;
    object-fit: contain;
    transition: var(--erbs-transition-fast);
}

/* Botão de fechar sidebar — oculto em desktop por padrão */
.erbs-sidebar-close {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--erbs-radius-control);
    border: none;
    background: transparent;
    color: var(--erbs-text-secondary);
    cursor: pointer;
    margin-left: auto;
    transition: background-color var(--erbs-duration-fast) var(--erbs-ease-standard), color var(--erbs-duration-fast) var(--erbs-ease-standard);
    flex-shrink: 0;
}

.erbs-sidebar-close:hover {
    background-color: var(--erbs-bg-hover);
    color: var(--erbs-text-primary);
}

.erbs-sidebar-close:focus-visible {
    outline: var(--erbs-focus-ring-width) solid var(--erbs-focus-ring-color);
    outline-offset: var(--erbs-focus-ring-offset);
}

.erbs-sidebar-close i {
    font-size: var(--erbs-text-xl);
}

/* Logo variants */
.erbs-logo-full {
    width: 100%;
    max-width: 180px;
    height: auto;
    object-fit: contain;
    transition: var(--erbs-transition-fast);
}

.erbs-logo-mini {
    display: none;
    width: 64px;
    height: 64px;
    object-fit: contain;
}

.erbs-sidebar.collapsed .erbs-logo-full {
    display: none;
}

.erbs-sidebar.collapsed .erbs-logo-mini {
    display: block;
}

.erbs-sidebar.collapsed .erbs-sidebar-brand {
    justify-content: center;
}

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

.erbs-sidebar.collapsed .erbs-sidebar-section-title {
    display: none;
}

.erbs-sidebar.collapsed .erbs-sidebar-section {
    margin-bottom: var(--erbs-spacing-sm);
}

.erbs-sidebar.collapsed .erbs-sidebar-chevron {
    display: none;
}

.erbs-sidebar.collapsed .erbs-sidebar-children {
    display: none;
}

/* Sidebar Sections (deprecated - kept for backwards compatibility) */
.erbs-sidebar-section {
    margin-bottom: var(--erbs-spacing-lg);
}

.erbs-sidebar-section-title {
    font-size: var(--erbs-text-xs);
    font-weight: var(--erbs-font-semibold);
    color: var(--erbs-text-muted);
    letter-spacing: var(--erbs-letter-spacing-wider);
    text-transform: uppercase;
    padding: var(--erbs-spacing-sm) var(--erbs-spacing-md);
    margin-bottom: var(--erbs-spacing-xs);
}

/* Multi-level Menu */
.erbs-sidebar-menu {
    margin-bottom: var(--erbs-spacing-sm);
}

.erbs-sidebar-parent {
    position: relative;
    cursor: pointer;
    margin-left: var(--erbs-spacing-2);
    margin-right: var(--erbs-spacing-2);
}

/* Reset button defaults when sidebar parent is a <button> (semantic accessibility) */
button.erbs-sidebar-parent {
    background: none;
    border: none;
    font: inherit;
    width: 100%;
    text-align: left;
}

.erbs-sidebar-parent:hover {
    background-color: var(--erbs-bg-hover);
    color: var(--erbs-text-primary);
}

.erbs-sidebar-parent.active {
    background-color: var(--erbs-primary-alpha-08);
    color: var(--erbs-primary);
    font-weight: var(--erbs-font-semibold);
}

.erbs-sidebar-parent.active:hover {
    background-color: var(--erbs-primary-alpha-12);
    color: var(--erbs-primary);
}

.erbs-sidebar-chevron {
    margin-left: auto;
    transition: transform var(--erbs-duration-slow) var(--erbs-ease-standard);
}

.erbs-sidebar-chevron i {
    font-size: var(--erbs-text-xs);
    width: 12px;
    height: 12px;
}

.erbs-sidebar-parent.expanded .erbs-sidebar-chevron {
    transform: rotate(180deg);
}

.erbs-sidebar-children {
    display: none;
    padding-left: var(--erbs-spacing-8);
    border-left: 1px solid var(--erbs-border);
    margin-left: var(--erbs-spacing-2);
    margin-right: var(--erbs-spacing-2);
}

.erbs-sidebar-children.expanded {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.erbs-sidebar-children .erbs-sidebar-item {
    padding-left: var(--erbs-spacing-4);
    min-height: 32px;
    font-size: var(--erbs-text-sm);
}

/* Sidebar Items */
.erbs-sidebar-item {
    display: flex;
    align-items: center;
    gap: var(--erbs-spacing-md);
    padding: var(--erbs-spacing-2) var(--erbs-spacing-3);
    border-radius: var(--erbs-radius-control);
    color: var(--erbs-text-secondary);
    text-decoration: none;
    transition: background-color var(--erbs-duration-fast) var(--erbs-ease-standard), color var(--erbs-duration-fast) var(--erbs-ease-standard), box-shadow var(--erbs-duration-fast) var(--erbs-ease-standard);
    cursor: pointer;
    margin-bottom: 2px;
    margin-left: var(--erbs-spacing-2);
    margin-right: var(--erbs-spacing-2);
    min-height: 44px !important;
    min-width: 44px;
    position: relative;
}

.erbs-sidebar-item:hover {
    background-color: var(--erbs-bg-hover);
    color: var(--erbs-text-primary);
}

.erbs-sidebar-item.active,
.erbs-sidebar-item[aria-current="page"] {
    background-color: var(--erbs-primary-alpha-12);
    color: var(--erbs-primary);
    font-weight: var(--erbs-font-semibold);
}

.erbs-sidebar-item.active:hover,
.erbs-sidebar-item[aria-current="page"]:hover {
    background-color: var(--erbs-primary-alpha-16);
    color: var(--erbs-primary);
}

.erbs-sidebar-item > * {
    display: flex;
    align-items: center;
}

.erbs-sidebar-item-icon {
    width: 20px;
    height: 20px;
    margin-right: var(--erbs-spacing-md);
    justify-content: center;
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.erbs-sidebar-item.active .erbs-sidebar-item-icon i {
    color: var(--erbs-primary);
}

/* FontAwesome Icon Support */
.erbs-sidebar-item-icon i,
.erbs-header-toggle i,
.erbs-header-action i,
.erbs-header-search-icon i {
    font-size: var(--erbs-icon-sm);
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Sidebar icons slightly larger for better visibility (WCAG 2.5.5 touch target) */
.erbs-sidebar-item-icon i {
    font-size: var(--erbs-text-lg);
}

.erbs-header-toggle i {
    font-size: var(--erbs-text-xl);
}

.erbs-sidebar-item-text {
    font-size: var(--erbs-text-sm);
    font-weight: var(--erbs-font-medium);
}

/* Main Content Area */
.erbs-main {
    flex: 1;
    margin-left: 0;
    transition: var(--erbs-transition-layout);
    display: flex;
    flex-direction: column;
    min-height: 0;
    min-width: 0;
    contain: layout style;
}

.erbs-main.sidebar-collapsed {
    margin-left: 0;
}

/* Desktop */
@media (min-width: 769px) {
    .erbs-sidebar {
        width: var(--erbs-sidebar-width);
        max-width: none;
        transform: translateX(0);
        transition: var(--erbs-transition-layout);
    }

    .erbs-sidebar.mobile-open {
        transform: translateX(0);
        z-index: var(--erbs-z-fixed);
    }

    .erbs-main {
        margin-left: var(--erbs-sidebar-width);
    }

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

/* Header */
.erbs-header {
    height: var(--erbs-header-height);
    background-color: var(--erbs-bg);
    border-bottom: 1px solid var(--erbs-border);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
    position: sticky;
    top: 0;
    z-index: var(--erbs-z-sticky);
    contain: layout style;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--erbs-spacing-lg);
}

.erbs-header-start {
    display: flex;
    align-items: center;
    gap: var(--erbs-spacing-md);
    min-width: 0;
}

.erbs-header-divider {
    width: 1px;
    height: 32px;
    background-color: var(--erbs-border);
    flex-shrink: 0;
}

.erbs-header-title {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.erbs-header-page-title {
    font-size: var(--erbs-text-xl);
    font-weight: var(--erbs-font-semibold);
    color: var(--erbs-text-primary);
    margin: 0;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
}

.erbs-header-title h1 {
    font-size: var(--erbs-text-xl);
    font-weight: var(--erbs-font-semibold);
    color: var(--erbs-text-primary);
    margin: 0;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.erbs-header-subtitle {
    font-size: var(--erbs-text-xs);
    color: var(--erbs-text-muted);
    margin: 0;
    line-height: 1.3;
}

/* F9.3 — Header com ações contextuais (p:toolbar inline) */
.erbs-header-actions {
    display: flex;
    align-items: center;
    gap: var(--erbs-spacing-md);
    flex-shrink: 0;
}

.erbs-header-toolbar {
    display: flex;
    align-items: center;
    gap: var(--erbs-spacing-sm);
}

.erbs-header-toolbar .ui-toolbar {
    background: transparent;
    border: none;
    padding: 0;
    border-radius: 0;
}

.erbs-header-toolbar .ui-toolbar-group {
    display: flex;
    align-items: center;
    gap: var(--erbs-spacing-sm);
}

/* F9.3 — Breadcrumb inline no header */
.erbs-header-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--erbs-spacing-1);
    font-size: var(--erbs-text-sm);
    color: var(--erbs-text-muted);
    margin-right: var(--erbs-spacing-md);
}

@media (max-width: 768px) {
    .erbs-header-title {
        display: none;
    }
}

/* Header Toggle */
.erbs-header-toggle {
    background: none;
    border: none;
    padding: var(--erbs-spacing-sm);
    cursor: pointer;
    border-radius: var(--erbs-radius-control);
    color: var(--erbs-text-secondary);
    transition: background-color var(--erbs-duration-fast) var(--erbs-ease-standard), color var(--erbs-duration-fast) var(--erbs-ease-standard), transform var(--erbs-duration-fast) var(--erbs-ease-standard);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
}

.erbs-header-toggle:hover {
    background-color: var(--erbs-bg-secondary);
    color: var(--erbs-text-primary);
}

.erbs-header-toggle:active {
    transform: scale(0.96);
}

.erbs-header-toggle:focus-visible {
    outline: var(--erbs-focus-ring-width) solid var(--erbs-focus-ring-color);
    outline-offset: var(--erbs-focus-ring-offset);
}

.erbs-header-toggle svg {
    width: 24px;
    height: 24px;
}

/* Header Action (for notification buttons, etc.) */
.erbs-header-action {
    background: none;
    border: none;
    padding: var(--erbs-spacing-sm);
    cursor: pointer;
    border-radius: var(--erbs-radius-control);
    color: var(--erbs-text-secondary);
    transition: background-color var(--erbs-duration-fast) var(--erbs-ease-standard), color var(--erbs-duration-fast) var(--erbs-ease-standard), transform var(--erbs-duration-fast) var(--erbs-ease-standard);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
}

.erbs-header-action:hover {
    background-color: var(--erbs-bg-secondary);
    color: var(--erbs-text-primary);
}

.erbs-header-action:active {
    transform: scale(0.96);
}

.erbs-header-action i {
    font-size: var(--erbs-text-xl);
}

.erbs-header-spacer {
    flex: 1;
}

/* Header Search */
.erbs-header-search {
    position: relative;
    width: 100%;
    max-width: 300px;
}

.erbs-header-search-input {
    width: 100%;
    padding: var(--erbs-spacing-sm) var(--erbs-spacing-md) var(--erbs-spacing-sm) 36px;
    border: 1px solid var(--erbs-border);
    border-radius: var(--erbs-radius-control);
    font-size: var(--erbs-text-sm);
    background-color: var(--erbs-bg-secondary);
    transition: width var(--erbs-duration-normal) var(--erbs-ease-standard), border-color var(--erbs-duration-fast) var(--erbs-ease-standard), background-color var(--erbs-duration-fast) var(--erbs-ease-standard), box-shadow var(--erbs-duration-fast) var(--erbs-ease-standard);
}

.erbs-header-search-input:focus {
    outline: none;
    border-color: var(--erbs-primary);
    background-color: var(--erbs-bg);
    box-shadow: var(--erbs-focus-ring-shadow);
}

.erbs-header-search-icon {
    position: absolute;
    left: var(--erbs-spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    color: var(--erbs-text-secondary);
    pointer-events: none;
}

/* Header Actions */
.erbs-header-actions {
    display: flex;
    align-items: center;
    gap: var(--erbs-spacing-md);
}

/* Header User Info (botão dropdown) */
.erbs-header-user {
    display: flex;
    align-items: center;
    gap: var(--erbs-spacing-2);
    font-size: var(--erbs-text-sm);
    color: var(--erbs-text-secondary);
    padding: var(--erbs-spacing-xs) var(--erbs-spacing-sm) var(--erbs-spacing-xs) var(--erbs-spacing-xs);
    border-radius: var(--erbs-radius-lg);
    transition: background-color var(--erbs-duration-fast) var(--erbs-ease-standard), box-shadow var(--erbs-duration-fast) var(--erbs-ease-standard);
    border: 1px solid transparent;
    background: transparent;
    cursor: pointer;
    font-family: inherit;
    line-height: inherit;
    min-height: 44px;
}

.erbs-header-user:hover {
    background-color: var(--erbs-bg-hover);
    border-color: var(--erbs-border);
}

.erbs-header-user:focus-visible {
    outline: var(--erbs-focus-ring-width) solid var(--erbs-focus-ring-color);
    outline-offset: var(--erbs-focus-ring-offset);
}

/* Sobrescreve borda do .erbs-dropdown-toggle apenas no avatar do header */
.erbs-header-user.erbs-dropdown-toggle {
    border: 1px solid transparent;
}

.erbs-dropdown-caret {
    font-size: var(--erbs-text-xs);
    color: var(--erbs-text-muted);
    transition: transform var(--erbs-duration-fast) var(--erbs-ease-standard);
    margin-left: var(--erbs-spacing-xs);
}

.erbs-dropdown--open .erbs-dropdown-caret {
    transform: rotate(180deg);
}

.erbs-header-user-info {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    min-width: 0;
}

.erbs-header-user-login {
    font-weight: var(--erbs-font-semibold);
    color: var(--erbs-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 160px;
}

.erbs-header-user-role {
    font-size: var(--erbs-text-xs);
    color: var(--erbs-text-muted);
    font-weight: var(--erbs-font-medium);
}

@media (max-width: 480px) {
    .erbs-header-user-info {
        display: none;
    }
}

/* Header Avatar */
.erbs-header-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--erbs-primary) 0%, var(--erbs-primary-600) 100%);
    color: var(--erbs-text-on-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--erbs-font-bold);
    font-size: var(--erbs-text-sm);
    cursor: pointer;
    transition: transform var(--erbs-duration-fast) var(--erbs-ease-standard), box-shadow var(--erbs-duration-fast) var(--erbs-ease-standard);
    flex-shrink: 0;
    box-shadow: var(--erbs-shadow-xs);
    user-select: none;
}

.erbs-header-avatar:hover {
    transform: scale(1.05);
    box-shadow: var(--erbs-shadow-sm);
}

.erbs-header-avatar-initials {
    line-height: 1;
}

.erbs-header-user:hover .erbs-header-avatar {
    transform: scale(1.05);
    box-shadow: var(--erbs-shadow-sm);
}

/* Content Area */
.erbs-content {
    flex: 1;
    padding: var(--erbs-spacing-xl);
    contain: layout;
}

@media (max-width: 768px) {
    .erbs-content {
        padding: var(--erbs-spacing-sm);
        min-width: 0;
        width: 100%;
    }
}

/* Footer */
.erbs-footer {
    background-color: var(--erbs-bg-secondary);
    border-top: 1px solid transparent;
    border-image: linear-gradient(to right, transparent, var(--erbs-border), transparent) 1;
    padding: var(--erbs-spacing-3) var(--erbs-spacing-lg);
    color: var(--erbs-text-secondary);
    font-size: var(--erbs-text-sm);
}

.erbs-footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.erbs-footer-copyright {
    text-align: center;
    flex: 1;
}

.erbs-footer-info {
    text-align: right;
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: var(--erbs-spacing-sm);
}

.erbs-footer-version {
    display: inline-flex;
    align-items: center;
    padding: var(--erbs-spacing-1) var(--erbs-spacing-2);
    background-color: var(--erbs-primary-alpha-08);
    border: 1px solid var(--erbs-primary-alpha-12);
    border-radius: var(--erbs-radius-full);
    font-size: var(--erbs-text-xs);
    color: var(--erbs-primary);
    font-weight: var(--erbs-font-medium);
}

@media (max-width: 640px) {
    .erbs-footer-content {
        flex-direction: column;
        gap: var(--erbs-spacing-2);
        text-align: center;
    }
    .erbs-footer-copyright,
    .erbs-footer-info {
        text-align: center;
        justify-content: center;
    }
}