/* NexForge ERP layout shell (Blade port of AppLayout.vue) */

*, *::before, *::after { box-sizing: border-box; }

.erp-app {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    width: 100%;
    min-height: 100vh;
    font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
    background: var(--erp-bg);
    color: var(--erp-text);
}

.erp-app.dark {
    color-scheme: dark;
}

.erp-mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 30;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.erp-app.mobile-open .erp-mobile-overlay {
    display: block;
}

/* Sidebar */
.erp-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 40;
    display: flex;
    flex-direction: column;
    width: var(--erp-sidebar-width);
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
    color: #fff;
    transition: width 0.3s ease, transform 0.3s ease;
    transform: translateX(-100%);
}

@media (min-width: 1024px) {
    .erp-sidebar {
        position: sticky;
        top: 0;
        height: 100vh;
        transform: translateX(0);
    }
}

@media (max-width: 1023px) {
    .erp-app {
        grid-template-columns: minmax(0, 1fr);
    }
}

.erp-app.mobile-open .erp-sidebar {
    transform: translateX(0);
}

.erp-app.sidebar-collapsed .erp-sidebar {
    width: var(--erp-sidebar-collapsed);
}

.erp-sidebar__brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    height: var(--erp-header-height);
    padding: 0 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
}

.erp-sidebar__logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.5rem;
    background: var(--erp-primary);
    font-size: 0.875rem;
    font-weight: 700;
    flex-shrink: 0;
}

.erp-company-logo,
.erp-company-logo-fallback {
    flex-shrink: 0;
    object-fit: contain;
}

.erp-company-logo--sidebar,
.erp-company-logo-fallback--sidebar {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.5rem;
}

.erp-company-logo-fallback--sidebar {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--erp-primary);
    font-size: 0.75rem;
    font-weight: 700;
}

.erp-company-logo--settings,
.erp-company-logo-fallback--settings {
    width: 120px;
    height: 40px;
    border-radius: 0.5rem;
    border: 1px dashed rgba(148, 163, 184, 0.5);
    padding: 0.25rem;
    background: #fff;
}

.erp-company-logo-fallback--settings {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8fafc;
    color: #475569;
    font-size: 1rem;
    font-weight: 700;
}

.erp-company-logo--document,
.erp-company-logo-fallback--document {
    width: 160px;
    height: 54px;
}

.erp-company-logo-fallback--document {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    background: #f1f5f9;
    color: #334155;
    font-size: 1.125rem;
    font-weight: 700;
}

.erp-document-header h4,
.erp-document-header h5 {
    margin-bottom: 0.25rem;
}

.erp-logo-upload-preview {
    min-width: 120px;
}

.erp-audit-details {
    font-size: 0.8125rem;
    color: #64748b;
    max-width: 320px;
    white-space: normal;
}

.erp-audit-details strong {
    color: #334155;
}

.erp-sidebar__brand-text {
    min-width: 0;
    overflow: hidden;
}

.erp-app.sidebar-collapsed .erp-sidebar__brand-text {
    display: none;
}

.erp-sidebar__brand-name {
    margin: 0;
    font-size: 0.9375rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.erp-sidebar__brand-tagline {
    margin: 0;
    font-size: 0.75rem;
    color: var(--erp-sidebar-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.erp-sidebar__nav {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 0.75rem;
}

.erp-sidebar__group {
    margin-bottom: 0.125rem;
}

.erp-sidebar__group + .erp-sidebar__group {
    margin-top: 0.375rem;
    padding-top: 0.625rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.erp-sidebar__group-toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.625rem 0.75rem;
    border: none;
    border-radius: 0.5rem;
    background: transparent;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    text-align: left;
    cursor: pointer;
    transition: all var(--erp-transition);
}

.erp-sidebar__group-toggle:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.erp-sidebar__group-toggle .erp-sidebar__chevron {
    margin-left: auto;
    transition: transform 0.2s ease;
}

.erp-sidebar__group.is-open .erp-sidebar__chevron {
    transform: rotate(90deg);
}

.erp-sidebar__group.is-open > .erp-sidebar__group-toggle {
    color: #fff;
}

.erp-sidebar__group-toggle.is-active {
    background: rgba(37, 99, 235, 0.18);
    color: #fff;
}

.erp-app.sidebar-collapsed .erp-sidebar__group-toggle span,
.erp-app.sidebar-collapsed .erp-sidebar__group-toggle .erp-sidebar__chevron {
    display: none;
}

.erp-app.sidebar-collapsed .erp-sidebar__group-toggle {
    justify-content: center;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}

.erp-sidebar__items {
    display: none;
    margin: 0.25rem 0 0.375rem 0.625rem;
    padding: 0.25rem 0 0.25rem 0.75rem;
    border-left: 2px solid rgba(255, 255, 255, 0.12);
}

.erp-sidebar__group--single .erp-sidebar__items {
    margin: 0;
    padding: 0;
    border-left: none;
}

.erp-sidebar__group.is-open .erp-sidebar__items,
.erp-sidebar__group--single .erp-sidebar__items {
    display: block;
}

.erp-app.sidebar-collapsed .erp-sidebar__group .erp-sidebar__items {
    display: block;
    margin-left: 0;
    padding-left: 0;
    border-left: none;
}

.erp-sidebar__link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.125rem;
    border-radius: 0.5rem;
    color: var(--erp-sidebar-muted);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--erp-transition);
}

/* Top-level links (Dashboard, Notifications) */
.erp-sidebar__group--single .erp-sidebar__link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--erp-sidebar-muted);
    padding: 0.625rem 0.875rem;
    margin-bottom: 0.25rem;
}

/* Sub-menu links */
.erp-sidebar__group:not(.erp-sidebar__group--single) .erp-sidebar__items .erp-sidebar__link {
    font-size: 0.8125rem;
    font-weight: 400;
    padding: 0.4375rem 0.625rem;
    color: rgba(148, 163, 184, 0.95);
}

.erp-sidebar__group:not(.erp-sidebar__group--single) .erp-sidebar__items .erp-sidebar__link i {
    font-size: 0.9375rem;
    opacity: 0.8;
}

.erp-sidebar__group:not(.erp-sidebar__group--single) .erp-sidebar__items .erp-sidebar__link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
}

.erp-sidebar__group:not(.erp-sidebar__group--single) .erp-sidebar__items .erp-sidebar__link.is-active {
    font-weight: 600;
    background: rgba(37, 99, 235, 0.22);
    color: #fff;
    box-shadow: none;
}

.erp-sidebar__link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.erp-sidebar__link.is-active {
    background: var(--erp-sidebar-active);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.erp-app.sidebar-collapsed .erp-sidebar__link span:not(.erp-nav-badge) {
    display: none;
}

.erp-app.sidebar-collapsed .erp-sidebar__link {
    justify-content: center;
}

.erp-sidebar__link i {
    font-size: 1.125rem;
    width: 1.125rem;
    text-align: center;
    flex-shrink: 0;
}

/* Main column */
.erp-main {
    display: flex;
    flex-direction: column;
    width: auto;
    min-width: 0;
    max-width: none;
    min-height: 100vh;
}

/* Header */
.erp-header {
    position: sticky;
    top: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    gap: 1rem;
    height: var(--erp-header-height);
    padding: 0 1rem;
    flex-shrink: 0;
}

@media (min-width: 1024px) {
    .erp-header {
        padding: 0 1.5rem;
    }
}

.erp-header__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    border: none;
    border-radius: 0.5rem;
    background: transparent;
    color: var(--erp-text-secondary);
    cursor: pointer;
    transition: background var(--erp-transition);
}

.erp-header__btn:hover {
    background: var(--erp-bg);
}

.erp-header__btn--desktop {
    display: none;
}

@media (min-width: 1024px) {
    .erp-header__btn--mobile {
        display: none;
    }
    .erp-header__btn--desktop {
        display: inline-flex;
    }
}

.erp-header__search {
    position: relative;
    display: none;
    flex: 1;
    max-width: 36rem;
}

@media (min-width: 768px) {
    .erp-header__search {
        display: block;
    }
}

.erp-header__search i {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--erp-text-muted);
    pointer-events: none;
}

.erp-header__search input {
    padding-left: 2.5rem;
    width: 100%;
    background: rgba(241, 245, 249, 0.5);
}

.dark .erp-header__search input {
    background: rgba(17, 24, 39, 0.5);
}

.erp-header__actions {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-left: auto;
}

@media (min-width: 640px) {
    .erp-header__actions {
        gap: 0.5rem;
    }
}

.erp-header__dropdown {
    position: relative;
}

.erp-header__dropdown-menu {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 0.5rem);
    min-width: 18rem;
    z-index: 50;
    padding: 0.75rem;
    background: var(--erp-card);
    border: 1px solid var(--erp-border);
    border-radius: var(--erp-radius);
    box-shadow: var(--erp-shadow-lg);
}

.erp-header__dropdown-menu--wide {
    min-width: 22rem;
    padding: 0;
    overflow: hidden;
}

.erp-header__dropdown.is-open .erp-header__dropdown-menu {
    display: block;
}

.erp-header__dropdown-head {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--erp-border);
}

.erp-header__dropdown-body {
    max-height: 24rem;
    overflow-y: auto;
}

.erp-header__dropdown-foot {
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--erp-border);
    text-align: center;
}

.erp-header__notif-item {
    display: flex;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    text-decoration: none;
    color: inherit;
    border-bottom: 1px solid var(--erp-border);
    transition: background var(--erp-transition);
}

.erp-header__notif-item:hover {
    background: var(--erp-bg);
}

.erp-header__notif-item.is-unread {
    background: var(--erp-primary-muted);
}

.erp-header__user-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.5rem;
    border: 1px solid var(--erp-border);
    border-radius: 0.5rem;
    background: transparent;
    cursor: pointer;
    transition: background var(--erp-transition);
}

.erp-header__user-btn:hover {
    background: var(--erp-bg);
}

.erp-header__user-name {
    display: none;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--erp-text);
}

@media (min-width: 640px) {
    .erp-header__user-name {
        display: block;
    }
}

.erp-header__badge-dot {
    position: absolute;
    top: 0.375rem;
    right: 0.375rem;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: #ef4444;
}

/* Content */
.erp-content {
    flex: 1 1 auto;
    width: 100%;
    max-width: none;
    min-width: 0;
    overflow: auto;
    padding: 1.25rem;
    background: var(--erp-bg);
}

@media (min-width: 1024px) {
    .erp-content {
        padding: 1.5rem 1.75rem;
    }
}

.erp-page-body {
    width: 100%;
    max-width: none;
}

/* Page header (PageHeader.vue port) */
.erp-page-header {
    margin-bottom: 1.5rem;
}

.erp-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.375rem;
    margin: 0 0 0.75rem;
    padding: 0;
    list-style: none;
    font-size: 0.8125rem;
}

.erp-breadcrumb li {
    display: flex;
    align-items: center;
    color: var(--erp-text-muted);
}

.erp-breadcrumb li + li::before {
    content: '/';
    margin-right: 0.375rem;
    color: var(--erp-text-muted);
}

.erp-breadcrumb a {
    color: var(--erp-text-secondary);
    text-decoration: none;
}

.erp-breadcrumb a:hover {
    color: var(--erp-primary);
}

.erp-breadcrumb li.active,
.erp-breadcrumb li.breadcrumb-item.active {
    color: var(--erp-text);
    font-weight: 500;
}

.erp-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
    content: none;
}

.erp-page-header__row {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media (min-width: 1024px) {
    .erp-page-header__row {
        flex-direction: row;
        align-items: flex-start;
        justify-content: space-between;
    }
}

.erp-page-header__intro {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.erp-page-header__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    background: rgba(30, 58, 95, 0.1);
    color: var(--erp-primary);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.erp-page-header__title {
    margin: 0;
    font-size: var(--erp-fs-2xl, 1.375rem);
    font-weight: 650;
    letter-spacing: -0.03em;
    line-height: 1.25;
    color: var(--erp-text);
}

.erp-page-header__subtitle {
    margin: 0.25rem 0 0;
    font-size: 0.875rem;
    color: var(--erp-text-secondary);
    max-width: 42rem;
    line-height: 1.5;
}

.erp-page-header__updated {
    margin: 0.5rem 0 0;
    font-size: 0.75rem;
    color: var(--erp-text-muted);
}

.erp-page-header__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    flex-shrink: 0;
}

/* Flash alerts */
.erp-alert {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    margin-bottom: 1rem;
    border-radius: var(--erp-radius);
    font-size: 0.875rem;
    border: 1px solid transparent;
}

.erp-alert--success {
    background: var(--erp-success-bg);
    color: #166534;
    border-color: #bbf7d0;
}

.erp-alert--danger {
    background: var(--erp-danger-bg);
    color: #991b1b;
    border-color: #fecaca;
}

.erp-alert--warning {
    background: var(--erp-warning-bg);
    color: #92400e;
    border-color: #fde68a;
}

.erp-alert__close {
    margin-left: auto;
    padding: 0;
    border: none;
    background: transparent;
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    opacity: 0.6;
}

.erp-alert__close:hover {
    opacity: 1;
}