/* App shell — sidebar, header, content */

/* Khóa chiều cao viewport để chỉ .etl-surface__main cuộn (body có overflow:hidden trong app-pro-overrides) */
.etl-surface {
    display: flex;
    width: 100%;
    min-height: 100vh;
    height: 100vh;
    max-height: 100vh;
    overflow: hidden;
    background: var(--etl-canvas);
    color: var(--etl-text);
}

/* —— Sidebar —— */
.etl-surface__sidebar {
    width: 272px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    background: var(--etl-sidebar-bg);
    color: var(--etl-sidebar-text);
    border-right: 1px solid var(--etl-sidebar-border);
    z-index: 1050;
    transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.28s ease;
}

.etl-surface__brand {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 1.25rem 1.1rem 1.1rem;
    border-bottom: 1px solid var(--etl-sidebar-border);
    background: linear-gradient(180deg, var(--etl-sidebar-surface) 0%, transparent 100%);
}

.etl-surface__logo-wrap {
    width: 44px;
    height: 44px;
    border-radius: var(--etl-radius-sm);
    background: #fff;
    display: grid;
    place-items: center;
    padding: 6px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

.etl-surface__logo-wrap img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.etl-surface__brand-text {
    min-width: 0;
}

.etl-surface__product {
    display: block;
    font-size: 0.9375rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #fff;
    line-height: 1.2;
}

.etl-surface__product-sub {
    display: block;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--etl-sidebar-dim);
    margin-top: 0.2rem;
}

.etl-surface__nav {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0.75rem 0.65rem 1rem;
    -webkit-overflow-scrolling: touch;
}

.etl-surface__sidebar-footer {
    padding: 0.9rem 1rem 1.1rem;
    border-top: 1px solid var(--etl-sidebar-border);
    background: rgba(0, 0, 0, 0.15);
}

.etl-surface__sidebar-footer .btn {
    border-radius: var(--etl-radius-sm);
    font-weight: 600;
    font-size: 0.8125rem;
    padding: 0.5rem 0.75rem;
    border-color: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.92);
}

.etl-surface__sidebar-footer .btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.35);
    color: #fff;
}

/* —— Main frame —— */
.etl-surface__frame {
    flex: 1 1 auto;
    min-width: 0;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.etl-surface__backdrop {
    display: none;
}

/* —— Header —— */
.etl-surface__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    flex-shrink: 0;
    min-height: 4rem;
    padding: 0.65rem 1.35rem;
    background: var(--etl-header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--etl-header-border);
    z-index: 1020;
}

.etl-surface__header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 0;
    flex: 1 1 auto;
}

.etl-surface__menu-btn {
    display: inline-flex;
    width: 2.5rem;
    height: 2.5rem;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--etl-header-border);
    border-radius: var(--etl-radius-sm);
    background: var(--etl-card);
    color: var(--etl-text);
    transition: border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.etl-surface__menu-btn:hover {
    border-color: var(--etl-accent);
    color: var(--etl-accent);
    box-shadow: 0 0 0 3px var(--etl-accent-muted);
}

.etl-surface__page-head {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}

.etl-surface__page-icon {
    width: 2.65rem;
    height: 2.65rem;
    border-radius: var(--etl-radius-md);
    display: grid;
    place-items: center;
    flex-shrink: 0;
    background: var(--etl-accent-muted);
    color: var(--etl-accent);
    font-size: 1.2rem;
    border: 1px solid var(--etl-accent-border);
}

.etl-surface__page-text {
    min-width: 0;
}

.etl-surface__eyebrow {
    display: block;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--etl-text-muted);
    margin-bottom: 0.12rem;
}

.etl-surface__page-title {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--etl-text);
    line-height: 1.25;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: min(100vw - 10rem, 32rem);
}

.etl-surface__header-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.etl-surface__icon-btn {
    width: 2.5rem;
    height: 2.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--etl-radius-sm);
    border: 1px solid var(--etl-header-border);
    background: var(--etl-card);
    color: var(--etl-text-secondary);
    transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.etl-surface__icon-btn:hover {
    border-color: var(--etl-accent);
    color: var(--etl-accent);
    background: var(--etl-accent-muted);
}

.etl-surface__user-dropdown {
    position: relative;
    z-index: 1032;
}

.etl-surface__dropdown-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1028;
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: default;
}

.etl-surface__user-menu-wrap {
    position: relative;
    z-index: 1035;
}

.etl-surface__user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.55rem 0.35rem 0.4rem;
    border-radius: 999px;
    border: 1px solid var(--etl-header-border);
    background: var(--etl-card);
    box-shadow: var(--etl-shadow-sm);
}

.etl-surface__user--trigger {
    cursor: pointer;
    max-width: min(280px, 72vw);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.etl-surface__user--trigger:hover {
    border-color: var(--etl-accent);
    box-shadow: 0 0 0 3px var(--etl-accent-muted);
}

.etl-surface__user-text {
    min-width: 0;
}

.etl-surface__user-chev {
    font-size: 0.7rem;
    opacity: 0.65;
    flex-shrink: 0;
    margin-left: 0.1rem;
}

.etl-surface__dropdown-menu {
    position: absolute !important;
    right: 0 !important;
    left: auto !important;
    top: calc(100% + 8px) !important;
    transform: none !important;
    margin: 0 !important;
    min-width: 13.5rem;
    border-radius: var(--etl-radius-md) !important;
    border: 1px solid var(--etl-card-border) !important;
    background: var(--etl-card) !important;
    padding: 0.35rem 0 !important;
}

.etl-surface__dropdown-menu .dropdown-item {
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    color: var(--etl-text);
}

.etl-surface__dropdown-menu .dropdown-item:hover,
.etl-surface__dropdown-menu .dropdown-item:focus {
    background: var(--etl-accent-muted);
    color: var(--etl-accent-text);
}

.etl-surface__dropdown-menu .dropdown-item.text-danger:hover,
.etl-surface__dropdown-menu .dropdown-item.text-danger:focus {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626 !important;
}

.etl-surface__dropdown-menu .dropdown-divider {
    border-color: var(--etl-card-border);
    opacity: 1;
}

.etl-surface__avatar {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background: var(--etl-sidebar-active);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    display: grid;
    place-items: center;
    flex-shrink: 0;
}

.etl-surface__user-name {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--etl-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 8rem;
}

.etl-surface__user-role {
    font-size: 0.6875rem;
    color: var(--etl-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 8rem;
}

/* —— Content —— */
.etl-surface__main {
    flex: 1 1 auto;
    min-height: 0;
    min-width: 0;
    overflow-y: auto;
    padding: 0;
}

.etl-surface .app-main {
    margin-left: 0 !important;
    height: auto !important;
    min-height: 0 !important;
}

/* Nav integration (global; complements NavMenu.razor.css) */
.etl-surface .nav-menu-root .nav-menu-item {
    color: var(--etl-sidebar-dim);
    border-radius: var(--etl-radius-sm);
    padding: 0.52rem 0.75rem;
    margin-bottom: 0.12rem;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid transparent;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.etl-surface .nav-menu-root .nav-menu-item:hover {
    color: #fff;
    background: var(--etl-sidebar-hover);
}

.etl-surface .nav-menu-root .nav-menu-item.active {
    color: #fff !important;
    background: var(--etl-sidebar-active) !important;
    border-color: transparent !important;
    box-shadow: 0 4px 20px var(--etl-sidebar-glow);
}

.etl-surface .nav-menu-group__header {
    color: var(--etl-sidebar-dim);
    border-radius: var(--etl-radius-sm);
    border-color: var(--etl-sidebar-border) !important;
    background: rgba(255, 255, 255, 0.03) !important;
}

.etl-surface .nav-menu-group__header:hover {
    color: #fff;
    background: var(--etl-sidebar-hover) !important;
    border-color: var(--etl-accent-border) !important;
}

.etl-surface .nav-menu-item--child {
    padding-left: 1.35rem !important;
    font-size: 0.8125rem !important;
}

.etl-surface .nav-menu-item--help {
    margin-top: 0.5rem;
    border-top: 1px solid var(--etl-sidebar-border) !important;
    padding-top: 0.75rem !important;
}

@media (min-width: 992px) {
    .etl-surface.etl-surface--sidebar-collapsed .etl-surface__sidebar {
        width: 0 !important;
        min-width: 0 !important;
        max-width: 0 !important;
        padding-left: 0;
        padding-right: 0;
        overflow: hidden;
        border-right-width: 0 !important;
        opacity: 0;
        pointer-events: none;
    }
}

/* Mobile */
@media (max-width: 991.98px) {
    .etl-surface__sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        transform: translateX(-100%);
        box-shadow: none;
    }

    .etl-surface__sidebar.etl-surface__sidebar--open {
        transform: translateX(0);
        box-shadow: 12px 0 48px rgba(0, 0, 0, 0.35);
    }

    .etl-surface__backdrop {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(3, 7, 18, 0.55);
        z-index: 1040;
        backdrop-filter: blur(2px);
    }

    .etl-surface__backdrop.etl-surface__backdrop--open {
        display: block;
    }

    .etl-surface__frame {
        width: 100%;
    }
}

.etl-surface .app-main .etl-dash {
    max-width: none;
    margin-inline: 0;
}

/* Dark dashboard mockup: nút menu / theme tách khỏi thanh header */
html[data-theme="dark"] .etl-surface__menu-btn,
html[data-theme="dark"] .etl-surface__icon-btn {
    background: #232b38;
    border-color: rgba(255, 255, 255, 0.1);
    color: rgba(248, 250, 252, 0.92);
}

html[data-theme="dark"] .etl-surface__menu-btn:hover,
html[data-theme="dark"] .etl-surface__icon-btn:hover {
    border-color: var(--etl-accent);
    color: var(--etl-accent-mid);
    background: rgba(46, 179, 152, 0.12);
    box-shadow: none;
}

html[data-theme="dark"] .etl-surface__page-title {
    font-size: 1.3rem;
    font-weight: 700;
}

html[data-theme="dark"] .etl-surface__dropdown-menu {
    background: var(--etl-card);
    border: 1px solid var(--etl-card-border);
}

html[data-theme="dark"] .etl-surface__dropdown-menu .dropdown-item {
    color: var(--etl-text);
}

html[data-theme="dark"] .etl-surface__dropdown-menu .dropdown-item:hover,
html[data-theme="dark"] .etl-surface__dropdown-menu .dropdown-item:focus {
    background: rgba(255, 255, 255, 0.06);
    color: var(--etl-text);
}