/* ===================================================
   Layout base: reset, tipografia, shell de pagina,
   breadcrumb y helpers de layout compartidos.
   (El sidebar y la topbar tienen su CSS aislado en
   MainLayout.razor.css / NavMenu.razor.css - Blazor
   scoped CSS - para no filtrar selectores globales.)
   =================================================== */

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

html, body {
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}

h1 { font-size: 1.6rem; }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.15rem; }

h1:focus {
    outline: none;
}

a {
    color: var(--accent-text);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--accent-text-hover);
    text-decoration: underline;
}

/* --- Contenedor de contenido principal --- */
.content {
    padding-top: 1rem;
}

.page-container {
    padding: 0 0 var(--space-xl) 0;
}

/* Todo contenido de página queda explícitamente dentro del design system. */
.ds-app-scope {
    color: var(--color-text-primary);
    font-family: var(--font-sans);
}

.ds-app-scope > .container,
.ds-app-scope > .container-fluid,
.ds-app-scope > [class$="-page"] {
    width: 100%;
    max-width: 1500px;
    margin-inline: auto;
    margin-top: 0 !important;
    padding-top: 0 !important;
    padding-bottom: var(--space-xl);
}

/* --- Breadcrumb --- */
.ds-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 0.6rem;
}

.ds-breadcrumb a {
    color: var(--color-text-secondary);
    font-weight: 500;
}

.ds-breadcrumb a:hover {
    color: var(--accent-text);
    text-decoration: none;
}

.ds-breadcrumb .ds-breadcrumb-sep {
    color: var(--color-text-muted);
    opacity: 0.6;
}

.ds-breadcrumb .ds-breadcrumb-current {
    color: var(--color-text-primary);
    font-weight: 600;
}

/* ===================================================
   Shell de la app: sidebar + topbar + navegacion.
   Global (no Blazor-scoped) porque NavTreeItem.razor
   renderiza recursivamente en un componente separado.
   =================================================== */

.page {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* --- Sidebar --- */
.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(86vw, 300px);
    height: 100dvh;
    overflow: hidden;
    color: var(--nav-text);
    background: var(--nav-bg);
    border-right: 1px solid var(--nav-border);
    box-shadow: var(--shadow-lg);
    z-index: 1100;
    transform: translateX(-105%);
    transition: width var(--transition-slow), transform var(--transition-slow);
}

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

.sidebar-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1090;
    border: 0;
    background: var(--nav-backdrop);
    backdrop-filter: blur(2px);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.1rem 1.25rem;
    border-bottom: 1px solid var(--nav-border);
}

.nav-logo {
    width: 38px;
    height: 38px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--color-text-inverse);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--color-primary) 40%, transparent);
    flex-shrink: 0;
}

.nav-brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.nav-brand-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 0.02em;
}

.nav-brand-sub {
    font-size: 0.7rem;
    color: var(--nav-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.nav-section-title {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--nav-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 1rem 1.5rem 0.3rem 1.5rem;
}

.nav-item {
    font-size: 0.875rem;
    padding-bottom: 0.15rem;
}

.nav-item .nav-link {
    color: var(--nav-text);
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    height: 2.75rem;
    display: flex;
    align-items: center;
    width: 100%;
    padding: 0 0.75rem;
    transition: all var(--transition);
    font-size: 0.875rem;
}

.nav-item a.active {
    background: var(--nav-active-bg);
    color: var(--nav-text-active);
    font-weight: 600;
    border-left: 3px solid var(--accent-primary);
    padding-left: calc(0.75rem - 3px);
    box-shadow: var(--nav-active-shadow);
}

.nav-item .nav-link:hover {
    background: var(--nav-hover-bg);
    color: var(--nav-text-active);
    transform: translateX(2px);
    text-decoration: none;
}

.nav-link i.bi {
    width: 1.15rem;
    text-align: center;
    margin-right: 0.65rem;
    font-size: 1rem;
    opacity: 0.85;
    flex-shrink: 0;
}

/* Botones de expandir/colapsar submenu */
.nav-item .btn-toggle {
    color: var(--nav-text) !important;
    padding: 0 0.75rem;
    height: 2.75rem;
    transition: all var(--transition);
    border-radius: var(--radius-sm) !important;
    font-size: 0.875rem;
    background: transparent;
}

.nav-item .btn-toggle:hover {
    background: var(--nav-hover-bg) !important;
    color: var(--nav-text-active) !important;
    transform: translateX(2px);
}

.nav-item .btn-toggle:focus {
    box-shadow: none !important;
    outline: none;
}

.nav-item .btn-toggle:focus-visible,
.topbar-icon-button:focus-visible,
.sidebar-backdrop:focus-visible {
    outline: 3px solid var(--color-focus-ring);
    outline-offset: 2px;
}

.nav-chevron {
    font-size: 0.65rem;
    opacity: 0.7;
    margin-right: 0 !important;
}

.nav-submenu {
    padding-left: 1rem;
    margin: 0.25rem 0 0.5rem 0.75rem;
    border-left: 2px solid var(--nav-submenu-border);
}

.nav-submenu .nav-link {
    height: 2.4rem !important;
    font-size: 0.82rem !important;
    color: var(--nav-text) !important;
    padding-left: 0.5rem !important;
}

.nav-submenu a.active {
    color: var(--nav-text-active) !important;
    background: var(--nav-active-bg) !important;
    border-left: 2px solid var(--accent-primary) !important;
    padding-left: calc(0.5rem - 2px) !important;
}

.nav-submenu .nav-link:hover {
    color: var(--nav-text-active) !important;
    background: var(--nav-hover-bg) !important;
    transform: translateX(2px);
}

.nav-scrollable {
    display: block;
    height: calc(100dvh - 4.5rem);
    overflow-y: auto;
    padding: 0.5rem 0.5rem 1rem 0.5rem;
}

/* El sidebar permanente aparece recién en escritorio. En tablets se conserva
   el menú desplegable para no quitarle 260px al contenido operativo. */
@media (min-width: 992px) {
    .nav-scrollable {
        height: calc(100vh - 4.5rem);
    }

    .page {
        flex-direction: row;
    }

    .sidebar {
        width: var(--sidebar-width);
        height: 100vh;
        position: sticky;
        top: 0;
        flex-shrink: 0;
        transform: none;
        z-index: 100;
    }

    .top-row {
        position: sticky;
        top: 0;
        z-index: 10;
    }

    .sidebar-backdrop,
    .mobile-menu-trigger {
        display: none;
    }

    .sidebar-collapse-trigger {
        display: inline-flex;
    }

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

    .page.sidebar-collapsed .nav-brand {
        justify-content: center;
        padding-inline: 0.5rem;
    }

    .page.sidebar-collapsed .nav-brand-text,
    .page.sidebar-collapsed .nav-section-title,
    .page.sidebar-collapsed .nav-link-text,
    .page.sidebar-collapsed .nav-chevron,
    .page.sidebar-collapsed .nav-submenu {
        display: none;
    }

    .page.sidebar-collapsed .nav-item {
        padding-inline: 0.45rem !important;
    }

    .page.sidebar-collapsed .nav-item .nav-link,
    .page.sidebar-collapsed .nav-item .btn-toggle {
        justify-content: center;
        padding-inline: 0 !important;
    }

    .page.sidebar-collapsed .nav-link i.bi {
        margin-right: 0;
    }
}

/* --- Topbar --- */
.top-row {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    justify-content: space-between;
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    gap: 1rem;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.topbar-leading,
.topbar-actions {
    display: flex;
    align-items: center;
}

.topbar-leading { gap: 0.65rem; }

.topbar-icon-button {
    display: inline-flex;
    width: 2.35rem;
    height: 2.35rem;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    background: var(--color-surface);
    cursor: pointer;
    transition: color var(--transition), background var(--transition), border-color var(--transition);
}

.topbar-icon-button:hover {
    color: var(--accent-text);
    border-color: var(--accent-border);
    background: var(--color-surface-hover);
}

.sidebar-collapse-trigger { display: none; }

.topbar-context {
    display: flex;
    flex-direction: column;
    min-width: 0;
    line-height: 1.2;
}

.topbar-context strong {
    max-width: 260px;
    overflow: hidden;
    color: var(--color-text-primary);
    font-size: 0.82rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.topbar-context span {
    color: var(--color-text-muted);
    font-size: 0.7rem;
}

.top-row a,
.top-row .btn-link {
    white-space: nowrap;
    margin-left: 1.5rem;
    text-decoration: none;
    font-size: 0.875rem;
}

.top-row a:hover,
.top-row .btn-link:hover {
    text-decoration: underline;
}

.topbar-alert {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: #fffbeb;
    border: 1px solid var(--color-warning);
    color: #92400e;
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-pill);
    font-size: 0.78rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition);
}

.topbar-alert:hover {
    background: #fef3c7;
    text-decoration: none;
    color: #78350f;
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.topbar-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.85rem;
}

.topbar-username {
    font-size: 0.85rem;
    font-weight: 500;
    color: #374151;
}

/* --- Contenido --- */
article.content {
    padding: 1.5rem 2rem;
    background-color: var(--color-bg);
    flex: 1;
}

/* Evita que grids, filas Bootstrap y contenido dinámico ensanchen la página. */
main,
article.content,
.ds-app-scope,
.ds-app-scope > *,
.row > * {
    min-width: 0;
}

.ds-app-scope img,
.ds-app-scope svg,
.ds-app-scope canvas,
.ds-app-scope video {
    max-width: 100%;
}

@media (max-width: 640.98px) {
    .top-row {
        justify-content: space-between;
        padding: 0 1rem;
    }

    article.content {
        padding: 1rem;
    }

    .topbar-actions {
        min-width: 0;
        justify-content: flex-end;
        gap: 0.5rem !important;
    }

    .topbar-user {
        display: none;
    }

    .topbar-alert {
        min-width: 2.25rem;
        justify-content: center;
        padding-inline: 0.65rem;
        margin-left: 0 !important;
    }

    .topbar-alert span,
    .top-row .btn-outline-danger span {
        display: none;
    }
}

@media (max-width: 479.98px) {
    .topbar-context { display: none; }
}

/* --- Scrollbars de la aplicacion conectadas al acento global --- */
:where(html, body, .nav-scrollable, .ds-modal-backdrop, .modal.d-block,
       .ds-data-table-scroll, .table-responsive, .manual-sidebar,
       .section .table, .section .info-table, .theme-menu, .app-scrollable) {
    scrollbar-width: thin;
    scrollbar-color: var(--accent-primary) transparent;
}

:where(html, body, .nav-scrollable, .ds-modal-backdrop, .modal.d-block,
       .ds-data-table-scroll, .table-responsive, .manual-sidebar,
       .section .table, .section .info-table, .theme-menu, .app-scrollable)::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

:where(html, body, .nav-scrollable, .ds-modal-backdrop, .modal.d-block,
       .ds-data-table-scroll, .table-responsive, .manual-sidebar,
       .section .table, .section .info-table, .theme-menu, .app-scrollable)::-webkit-scrollbar-track {
    background: transparent;
}

:where(html, body, .nav-scrollable, .ds-modal-backdrop, .modal.d-block,
       .ds-data-table-scroll, .table-responsive, .manual-sidebar,
       .section .table, .section .info-table, .theme-menu, .app-scrollable)::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 3px;
}

:where(html, body, .nav-scrollable, .ds-modal-backdrop, .modal.d-block,
       .ds-data-table-scroll, .table-responsive, .manual-sidebar,
       .section .table, .section .info-table, .theme-menu, .app-scrollable)::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary-hover);
}

/* --- Errores Blazor --- */
.blazor-error-boundary {
    background: #fee2e2;
    border-left: 4px solid var(--color-danger);
    padding: 1rem 1rem 1rem 3rem;
    color: #991b1b;
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
}

.blazor-error-boundary::after {
    content: "Se ha producido un error inesperado.";
}

#blazor-error-ui {
    background: #fffbeb;
    border-top: 2px solid var(--color-warning);
    bottom: 0;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
    font-size: 0.875rem;
    color: #92400e;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}

/* --- Acceso y seguridad: misma identidad del sistema --- */
.login-layout {
    width: 100%;
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

.login-container,
.cambiar-password-container,
.auth-loading-state {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    background: var(--color-bg);
}

.login-card,
.cambiar-password-card {
    width: 100%;
    max-width: 440px;
    overflow: hidden;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.cambiar-password-card {
    max-width: 520px;
}

.login-header,
.cambiar-password-header {
    padding: var(--space-xl);
    text-align: center;
    color: #fff;
    background: var(--gradient-primary);
}

.login-header h3,
.cambiar-password-header h3 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.login-header p,
.cambiar-password-header p {
    margin: var(--space-xs) 0 0;
    opacity: 0.9;
    font-size: 0.875rem;
}

.login-form,
.cambiar-password-form {
    padding: var(--space-xl);
}

.login-form .form-group,
.cambiar-password-form .form-group {
    margin-bottom: var(--space-lg);
}

.login-form .form-group label,
.cambiar-password-form .form-group label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 500;
    color: var(--color-text-primary);
}

.login-form .btn-block {
    width: 100%;
}

.cambiar-password-form .button-group {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.cambiar-password-form .button-group .btn {
    flex: 1;
}

.login-footer {
    padding: var(--space-md);
    text-align: center;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.login-footer p {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 0.75rem;
}

/* --- Página de error --- */
.error-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: var(--space-xl);
    background: radial-gradient(circle at top left, color-mix(in srgb, var(--color-primary) 16%, transparent), transparent 38%), var(--color-bg);
}

.error-card {
    width: min(100%, 560px);
    padding: 2.5rem;
    text-align: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    box-shadow: var(--shadow-lg);
}

.error-icon {
    display: grid;
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    place-items: center;
    border-radius: 50%;
    color: var(--color-danger);
    background: rgba(239, 68, 68, 0.12);
    font-size: 1.75rem;
}

.error-eyebrow {
    color: var(--color-danger-dark);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.error-card h1 { margin: 0.45rem 0; }
.error-card > p { margin: 0 auto 1.5rem; color: var(--color-text-secondary); }

.error-request-id {
    display: grid;
    gap: 0.35rem;
    margin-bottom: 1.5rem;
    padding: 0.8rem;
    text-align: left;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface-hover);
}

.error-request-id span { color: var(--color-text-muted); font-size: 0.75rem; font-weight: 600; }
.error-request-id code { overflow-wrap: anywhere; color: var(--color-text-primary); }
.error-actions { display: flex; justify-content: center; gap: var(--space-sm); flex-wrap: wrap; }

@media (max-width: 639.98px) {
    .error-page { padding: var(--space-md); }
    .error-card { padding: 1.5rem; }
    .error-actions { align-items: stretch; flex-direction: column; }
    .error-actions .btn { justify-content: center; }
}