/* BankOnUs Portal - Core Full-Height Responsive Styles */

:root {
    --portal-header-height: 54px;
    --portal-footer-height: 32px;
    --lte-sidebar-width: 270px;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Layout & Workspace Sizing (AdminLTE 4 Compatible) */
.app-header {
    min-height: var(--portal-header-height);
}

.app-sidebar .sidebar-brand {
    min-height: var(--portal-header-height);
}

.app-main {
    min-width: 0;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background-color: var(--bs-body-bg);
}

.app-footer {
    min-height: var(--portal-footer-height);
}

/* Application Viewing Panel (Instruction 6, 7, 8) */
.portal-viewing-panel {
    flex: 1 1 auto;
    height: 100%;
    width: 100%;
    min-height: 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.portal-dashboard-view {
    flex: 1 1 auto;
    height: 100%;
    width: 100%;
    min-height: 0;
    min-width: 0;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 1.5rem;
}

.portal-app-container,
.portal-app-panel {
    flex: 1 1 auto;
    height: 100%;
    width: 100%;
    min-height: 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.portal-app-header-strip {
    background-color: var(--bs-tertiary-bg);
    border-bottom: 1px solid var(--bs-border-color);
    padding: 0.45rem 1.5rem 0.45rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex: 0 0 auto;
    min-height: 44px;
}

.portal-app-header-controls {
    margin-right: 2rem;
    gap: 0.5rem;
}

.portal-app-header-controls .btn {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.65rem;
    font-size: 0.8125rem;
    line-height: 1.5;
    border-radius: 0.375rem;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
    transition: all 0.15s ease-in-out;
}

@media (max-width: 767.98px) {
    .portal-app-header-controls {
        margin-right: 0.5rem;
        gap: 0.25rem;
    }
}

.portal-iframe-wrapper {
    flex: 1 1 auto;
    height: 100%;
    width: 100%;
    min-height: 0;
    position: relative;
}

.portal-iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* Loading & Availability Overlays (Instruction 18) */
.portal-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(2px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 2rem;
    text-align: center;
}

[data-bs-theme="dark"] .portal-overlay {
    background-color: rgba(30, 30, 30, 0.92);
}

.portal-nav-link {
    cursor: pointer;
    user-select: none;
}

.portal-nav-link.active,
.sidebar-menu .nav-link.active {
    background-color: rgba(13, 110, 253, 0.25) !important;
    color: #fff !important;
    font-weight: 600;
    border-left: 3px solid #0d6efd;
}

.sidebar-menu .nav-link:focus-visible {
    outline: 2px solid #0d6efd;
    outline-offset: -2px;
}

/* Standardized sidebar navigation item styles (Instruction 69) */
.sidebar-menu .nav-link .nav-icon {
    width: 1.25rem;
    text-align: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.sidebar-external-icon {
    font-size: 0.68rem;
    opacity: 0.65;
    flex-shrink: 0;
    transition: opacity 0.15s ease-in-out;
}

.sidebar-menu .nav-link:hover .sidebar-external-icon {
    opacity: 1;
}

.sidebar-health-dot {
    font-size: 0.6rem;
    padding: 0.25em 0.45em;
    flex-shrink: 0;
    letter-spacing: 0.05em;
}

/* Collapsed sidebar mode adjustments (AdminLTE 4 sidebar-mini) */
.sidebar-collapse .sidebar-health-dot,
.sidebar-collapse .sidebar-external-icon {
    display: none !important;
}

.sidebar-mini.sidebar-collapse .sidebar-brand {
    justify-content: center !important;
    padding-left: 0.5rem !important;
    padding-right: 0.5rem !important;
}

.sidebar-mini.sidebar-collapse .sidebar-menu .nav-link {
    text-align: center;
}

.sidebar-mini.sidebar-collapse:not(.sidebar-without-hover) .app-sidebar:hover .sidebar-health-dot,
.sidebar-mini.sidebar-collapse:not(.sidebar-without-hover) .app-sidebar:hover .sidebar-external-icon {
    display: inline-block !important;
}

/* Treeview Menu Groups (Instruction 99 & 100) */
.sidebar-menu .nav-treeview {
    display: none;
    list-style: none;
    padding-left: 0.75rem;
    margin: 0;
}

.sidebar-menu .nav-item.menu-open > .nav-treeview {
    display: block !important;
}

.sidebar-menu .nav-arrow {
    transition: transform 0.2s ease-in-out;
    font-size: 0.75rem;
    opacity: 0.75;
}

.sidebar-menu .nav-item.menu-open > .nav-link .nav-arrow {
    transform: rotate(90deg);
}

.sidebar-menu .nav-item.menu-open > .portal-treeview-toggle {
    background-color: rgba(255, 255, 255, 0.08);
    color: #fff;
    font-weight: 500;
}

.sidebar-mini.sidebar-collapse .sidebar-menu .nav-item.menu-open > .nav-treeview {
    display: none;
}

.sidebar-mini.sidebar-collapse:not(.sidebar-without-hover) .app-sidebar:hover .sidebar-menu .nav-item.menu-open > .nav-treeview {
    display: block;
}

.sidebar-mini.sidebar-collapse .sidebar-menu .nav-link .nav-arrow {
    display: none !important;
}

.sidebar-mini.sidebar-collapse:not(.sidebar-without-hover) .app-sidebar:hover .sidebar-menu .nav-link .nav-arrow {
    display: inline-block !important;
}


/* Portal Footer Layout & Version Display (Instruction 76, 77) */
.portal-footer-left {
    flex: 1 1 0;
    min-width: 0;
}

.portal-footer-center {
    flex: 2 1 auto;
    min-width: 0;
}

.portal-footer-right {
    flex: 1 1 0;
    min-width: 0;
}

.portal-footer-version {
    letter-spacing: 0.02em;
    font-size: 0.85rem;
}

.portal-selected-app-version {
    font-size: 0.82rem;
    letter-spacing: 0.02em;
    max-width: 280px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 0.1rem 0.45rem;
    border-radius: 4px;
    background-color: var(--bs-tertiary-bg);
    border: 1px solid var(--bs-border-color-translucent);
}

.portal-selected-app-version i {
    font-size: 0.88rem;
}