/* =====================================================================
   Sistema de diseño "Material-ish" (inspirado en Angular Material:
   toolbar, mat-card, mat-table, chips, botones de icono, paginador).
   Se apoya en Bootstrap 5 para el grid/utilidades, pero la piel visual
   (color, elevacion, tipografia, radios) es propia via variables CSS.
   ===================================================================== */

:root {
    --md-primary: #3f51b5;
    --md-primary-dark: #303f9f;
    --md-primary-light: #c5cae9;
    --md-accent: #ff4081;
    --md-on-primary: #ffffff;

    --md-surface: #ffffff;
    --md-background: #f5f6fa;
    --md-text-primary: rgba(0, 0, 0, .87);
    --md-text-secondary: rgba(0, 0, 0, .6);
    --md-text-disabled: rgba(0, 0, 0, .38);
    --md-divider: rgba(0, 0, 0, .12);

    --md-radius: 6px;
    --md-radius-lg: 10px;

    --md-elevation-1: 0 2px 1px -1px rgba(0, 0, 0, .2), 0 1px 1px 0 rgba(0, 0, 0, .14), 0 1px 3px 0 rgba(0, 0, 0, .12);
    --md-elevation-2: 0 3px 3px -2px rgba(0, 0, 0, .2), 0 3px 4px 0 rgba(0, 0, 0, .14), 0 1px 8px 0 rgba(0, 0, 0, .12);
    --md-elevation-4: 0 2px 4px -1px rgba(0, 0, 0, .2), 0 4px 5px 0 rgba(0, 0, 0, .14), 0 1px 10px 0 rgba(0, 0, 0, .12);
}

* { box-sizing: border-box; }

body {
    background: var(--md-background);
    color: var(--md-text-primary);
    font-family: "Roboto", "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

/* ---------- Shell admin (sidenav + header) ---------- */

.md-shell { display: flex; min-height: 100vh; }

.md-sidenav {
    width: 240px;
    flex-shrink: 0;
    background: linear-gradient(180deg, var(--md-primary), var(--md-primary-dark));
    color: var(--md-on-primary);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 25;
    transition: width .2s ease;
}

/* Colapsado (ver btn-collapse-sidenav / toggleColapsarSidenav en app.js):
   se queda solo con los iconos, la etiqueta de texto se oculta. */
.md-sidenav.is-collapsed { width: 64px; overflow-x: hidden; }

.md-sidenav.is-collapsed .md-nav-label,
.md-sidenav.is-collapsed .md-nav-item .chip { display: none; }

.md-sidenav.is-collapsed .md-sidenav-brand,
.md-sidenav.is-collapsed .md-nav-item,
.md-sidenav.is-collapsed .md-sidenav-collapse-btn {
    justify-content: center;
    padding-left: .5rem;
    padding-right: .5rem;
}

.md-sidenav-brand {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: 1.1rem 1.25rem;
    font-size: 1.05rem;
    font-weight: 500;
    letter-spacing: .2px;
    border-bottom: 1px solid rgba(255, 255, 255, .15);
}

.md-sidenav-brand i { font-size: 1.35rem; }

.md-sidenav-menu {
    padding: .75rem 0;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.md-sidenav-collapse-btn {
    display: flex;
    align-items: center;
    gap: .6rem;
    width: 100%;
    border: none;
    background: transparent;
    color: rgba(255, 255, 255, .75);
    padding: .65rem 1.25rem;
    font-size: .8rem;
    cursor: pointer;
    border-top: 1px solid rgba(255, 255, 255, .15);
    flex-shrink: 0;
}

.md-sidenav-collapse-btn:hover { background: rgba(255, 255, 255, .08); color: #fff; }

.md-nav-item {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .65rem 1.25rem;
    color: rgba(255, 255, 255, .85);
    text-decoration: none;
    font-size: .875rem;
    transition: background-color .15s, color .15s;
    cursor: pointer;
}

.md-nav-item i { font-size: 1rem; width: 1.1rem; text-align: center; }

.md-nav-item:hover { background: rgba(255, 255, 255, .08); color: #fff; }

.md-nav-item.active {
    background: rgba(255, 255, 255, .16);
    color: #fff;
    font-weight: 600;
    box-shadow: inset 3px 0 0 #fff;
}

.md-nav-item.disabled { opacity: .55; cursor: not-allowed; }
.md-nav-item.disabled:hover { background: transparent; color: rgba(255, 255, 255, .85); }
.md-nav-item .chip { margin-left: auto; }

.md-sidenav-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .4);
    z-index: 24;
}

.md-sidenav-backdrop.is-open { display: block; }

.md-shell-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

/* ---------- Header superior ---------- */

.md-app-header {
    display: flex;
    align-items: center;
    gap: .85rem;
    padding: .6rem 1.25rem;
    background: var(--md-surface);
    border-bottom: 1px solid var(--md-divider);
    box-shadow: var(--md-elevation-1);
    position: sticky;
    top: 0;
    z-index: 20;
    flex-wrap: wrap;
}

.md-app-header-title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--md-text-primary);
    margin-right: auto;
    white-space: nowrap;
}

#btn-toggle-sidenav { display: none; }

.field-group {
    display: flex;
    align-items: center;
    gap: .5rem;
}

.field-label {
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--md-text-secondary);
    white-space: nowrap;
}

/* ---------- Menu de usuario ---------- */

.md-user-menu { position: relative; }

.md-user-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--md-primary);
    color: var(--md-on-primary);
    border: none;
    font-size: .78rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.md-user-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 220px;
    background: var(--md-surface);
    border-radius: var(--md-radius);
    box-shadow: var(--md-elevation-2);
    z-index: 30;
    overflow: hidden;
}

.md-user-dropdown.is-open { display: block; }

.md-user-dropdown-name {
    padding: .75rem 1rem;
    font-size: .85rem;
    font-weight: 600;
    color: var(--md-text-primary);
    border-bottom: 1px solid var(--md-divider);
}

.md-user-dropdown-item {
    display: flex;
    align-items: center;
    gap: .5rem;
    width: 100%;
    text-align: left;
    padding: .6rem 1rem;
    border: none;
    background: transparent;
    font-size: .82rem;
    color: var(--md-text-primary);
    text-decoration: none;
    cursor: pointer;
}

.md-user-dropdown-item:hover:not(:disabled) { background: rgba(0, 0, 0, .05); }
.md-user-dropdown-item:disabled { color: var(--md-text-disabled); cursor: not-allowed; }

/* ---------- Combo de compañía con buscador ---------- */

.md-combo { position: relative; }

.md-combo-input {
    background: var(--md-surface);
    color: var(--md-text-primary);
    border: 1px solid var(--md-divider);
    border-radius: var(--md-radius);
    padding: .4rem .7rem;
    font-size: .85rem;
    width: 260px;
    max-width: 100%;
}

.md-combo-input::placeholder { color: var(--md-text-disabled); }
.md-combo-input:hover { border-color: rgba(0, 0, 0, .3); }

.md-combo-input:focus {
    outline: none;
    border-color: var(--md-primary);
    box-shadow: 0 0 0 2px rgba(63, 81, 181, .18);
}

.md-combo-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    max-height: 320px;
    overflow-y: auto;
    background: var(--md-surface);
    border-radius: var(--md-radius);
    box-shadow: var(--md-elevation-2);
    z-index: 30;
}

.md-combo-dropdown.is-open { display: block; }

.md-combo-option {
    padding: .5rem .75rem;
    font-size: .85rem;
    color: var(--md-text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: .5rem;
    white-space: nowrap;
    overflow: hidden;
}

.md-combo-option span:first-child {
    overflow: hidden;
    text-overflow: ellipsis;
}

.md-combo-option:hover { background: rgba(63, 81, 181, .08); }
.md-combo-option.is-selected { font-weight: 600; }
.md-combo-option.is-hidden { display: none; }

.md-combo-code {
    color: var(--md-text-secondary);
    font-size: .75rem;
    flex-shrink: 0;
}

/* ---------- Layout shell ---------- */

.page-shell {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 1.5rem 3rem;
}

/* ---------- Card (mat-card) ---------- */

.md-card {
    background: var(--md-surface);
    border-radius: var(--md-radius-lg);
    box-shadow: var(--md-elevation-1);
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: box-shadow .2s;
}

.md-card-header {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--md-divider);
}

.md-card-header i {
    font-size: 1.15rem;
    color: var(--md-primary);
}

.md-card-header h2 {
    font-size: 1rem;
    font-weight: 500;
    margin: 0;
    color: var(--md-text-primary);
}

.md-card-header .subtitle {
    font-size: .78rem;
    color: var(--md-text-secondary);
    margin-left: .25rem;
}

.md-card-body { padding: 0; }

.md-card-body.has-padding { padding: 1.25rem; }

/* ---------- Barra de contexto (evita repetir compañía en cada fila) ---------- */

.table-context-bar {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .7rem 1rem;
    border-bottom: 1px solid var(--md-divider);
    background: #fafbfe;
}

.table-context-bar .context-name {
    font-size: .85rem;
    font-weight: 500;
    color: var(--md-text-primary);
}

/* Barra "N seleccionados" del detalle (checkboxes + "Descargar
   seleccionados", ver detalleTabla.html + app.js). Solo aparece si hay
   al menos 1 marcado. */
.selection-toolbar {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .6rem 1rem;
    background: var(--md-primary-light);
    border-bottom: 1px solid var(--md-divider);
}

.selection-toolbar-count {
    font-size: .82rem;
    font-weight: 500;
    color: var(--md-primary-dark);
    margin-right: auto;
}

/* ---------- Tabla estilo Material ---------- */

.md-table-wrap { overflow-x: auto; }

.md-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 100%;
}

.md-table thead th {
    background: var(--md-surface);
    color: var(--md-text-secondary);
    font-size: .68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .045em;
    text-align: left;
    padding: .75rem 1rem;
    border-bottom: 2px solid var(--md-divider);
    white-space: nowrap;
}

.md-table thead th.text-end { text-align: right; }
.md-table thead th.text-center { text-align: center; }


.md-table tbody td {
    padding: .6rem 1rem;
    border-bottom: 1px solid var(--md-divider);
    font-size: .83rem;
    color: var(--md-text-primary);
    white-space: nowrap;
}

.md-table tbody tr { transition: background-color .12s ease; }
.md-table tbody tr:hover { background: rgba(0, 0, 0, .035); }

.md-table tbody tr.row-clickable { cursor: pointer; }

/* Esquema de color por estatus de fila (ver PeriodoNomRepository#calcularEstatusFila):
   success = cuadra (Empleados=Calculados=Timbrados) -> verde
   danger  = errores o CFDI duplicados               -> rojo
   info    = recibos en proceso de cancelacion       -> azul
   neutral = pendiente / sin actividad todavia       -> sin resaltar */
.md-table tbody tr.row-status-success { background: rgba(76, 175, 80, .09); }
.md-table tbody tr.row-status-success:hover { background: rgba(76, 175, 80, .16); }

.md-table tbody tr.row-status-danger { background: rgba(244, 67, 54, .08); }
.md-table tbody tr.row-status-danger:hover { background: rgba(244, 67, 54, .14); }

.md-table tbody tr.row-status-info { background: rgba(33, 150, 243, .08); }
.md-table tbody tr.row-status-info:hover { background: rgba(33, 150, 243, .14); }

.md-table .empty-row td {
    text-align: center;
    color: var(--md-text-secondary);
    padding: 2.5rem 1rem;
    white-space: normal;
}

/* ---------- Filtros por columna ---------- */

.md-table thead tr.filter-row th {
    padding: .35rem .6rem .5rem;
    border-bottom: 2px solid var(--md-divider);
}

.filter-input {
    width: 100%;
    min-width: 64px;
    box-sizing: border-box;
    border: none;
    border-bottom: 1px solid var(--md-divider);
    background: transparent;
    font-size: .78rem;
    font-weight: 400;
    text-transform: none;
    letter-spacing: normal;
    color: var(--md-text-primary);
    padding: .3rem .1rem;
}

.filter-input:focus {
    outline: none;
    border-bottom: 2px solid var(--md-primary);
}

.filter-input::placeholder { color: var(--md-text-disabled); }

/* ---------- Fila expandible (resumen Empleados/CFDI por periodo) ---------- */

.icon-btn i { transition: transform .15s ease; }
.icon-btn.expanded i { transform: rotate(90deg); }

.detail-row td {
    background: #f7f8fc;
    padding: .9rem 1.25rem;
    white-space: normal;
}

.detail-metrics {
    display: inline-flex;
    position: sticky;
    left: 1.25rem;
    flex-wrap: wrap;
    gap: 1.75rem;
}

.detail-metrics .metric {
    display: flex;
    flex-direction: column;
    gap: .2rem;
    min-width: 84px;
}

.detail-metrics .metric-label {
    font-size: .68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--md-text-secondary);
}

.detail-metrics .metric-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--md-text-primary);
}

/* ---------- Chips (badges Material) ---------- */

.chip {
    display: inline-block;
    padding: .15rem .65rem;
    border-radius: 999px;
    font-size: .7rem;
    font-weight: 600;
    line-height: 1.5;
    white-space: nowrap;
}

.chip-success { background: #e8f5e9; color: #2e7d32; }
.chip-danger { background: #ffebee; color: #c62828; }
.chip-warning { background: #fff8e1; color: #ef6c00; }
.chip-info { background: #e3f2fd; color: #1565c0; }
.chip-neutral { background: #eceff1; color: #455a64; }

/* ---------- Botones de icono (mat-icon-button) ---------- */

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--md-text-secondary);
    transition: background-color .15s, color .15s;
    padding: 0;
}

.icon-btn i { font-size: .95rem; }

.icon-btn:hover:not(:disabled) { background: rgba(0, 0, 0, .07); }

.icon-btn:disabled {
    color: var(--md-text-disabled);
    cursor: not-allowed;
}

.icon-btn-primary:not(:disabled) { color: var(--md-primary); }
.icon-btn-danger:not(:disabled) { color: #d32f2f; }
.icon-btn-danger:hover:not(:disabled) { background: rgba(211, 47, 47, .08); }
.icon-btn-primary:hover:not(:disabled) { background: rgba(63, 81, 181, .08); }

/* Boton de texto compacto (mat-stroked-button) -> "Mandar a timbrar" */
.md-text-btn {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    border: 1px solid var(--md-primary);
    color: var(--md-primary);
    background: transparent;
    border-radius: 999px;
    padding: .3rem .75rem;
    font-size: .72rem;
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
    transition: background-color .15s;
}

.md-text-btn:hover { background: rgba(63, 81, 181, .08); }
.md-text-btn i { font-size: .8rem; }

/* Variante roja -> "Reintentar timbrado" (CFDI que fallo, ver detalleTabla.html) */
.md-text-btn-danger { border-color: #d32f2f; color: #d32f2f; }
.md-text-btn-danger:hover { background: rgba(211, 47, 47, .08); }

/* ---------- Modal de timbrado / cancelacion / CFDI ---------- */
/* Ya no usan <iframe>: appferaz.com manda X-Frame-Options: sameorigin y
   bloquea que se embeban (ver abrirModalTimbrado/abrirModalCfdi en app.js) ->
   solo queda deshabilitar los botones de accion cuando falta la URL. */
#modal-cfdi .btn.disabled { pointer-events: none; opacity: .5; }

/* ---------- Paginador (mat-paginator) ---------- */

.md-paginator {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: .15rem;
    padding: .6rem 1rem;
    border-top: 1px solid var(--md-divider);
    color: var(--md-text-secondary);
    font-size: .78rem;
    flex-wrap: wrap;
}

.md-paginator .range-label { margin-right: auto; }

.md-paginator .page-info {
    margin: 0 .5rem;
    min-width: 92px;
    text-align: center;
}

/* ---------- Spinner de carga (overlay sobre la tabla) ---------- */

.table-loading-wrap { position: relative; }

.md-loading-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, .75);
    z-index: 5;
    pointer-events: none;
    border-radius: var(--md-radius-lg);
}

.md-loading-overlay.htmx-request { pointer-events: auto; }

.md-spinner {
    width: 34px;
    height: 34px;
    border: 3px solid var(--md-primary-light);
    border-top-color: var(--md-primary);
    border-radius: 50%;
    animation: md-spin .7s linear infinite;
}

@keyframes md-spin {
    to { transform: rotate(360deg); }
}

/* ---------- Panel de descargas en progreso (boton "Descargar CFDIs" del maestro) ---------- */

.descargas-panel {
    position: fixed;
    right: 1.25rem;
    bottom: 1.25rem;
    width: 320px;
    max-width: calc(100vw - 2rem);
    max-height: 60vh;
    background: var(--md-surface);
    border-radius: var(--md-radius-lg);
    box-shadow: var(--md-elevation-4);
    z-index: 1050;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.descargas-panel.is-empty,
.descargas-panel.is-hidden { display: none; }

.descargas-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
    padding: .65rem .7rem .65rem .9rem;
    background: var(--md-primary);
    color: var(--md-on-primary);
    font-weight: 500;
    font-size: .88rem;
}

.descargas-panel-actions { display: flex; gap: .1rem; }

.descargas-panel-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--md-on-primary);
    opacity: .85;
    font-size: .8rem;
    padding: 0;
}

.descargas-panel-action-btn:hover { opacity: 1; background: rgba(255, 255, 255, .18); }

/* Burbuja flotante para reabrir el panel cuando esta oculto (ver
   cerrarPanelDescargas/abrirPanelDescargas en app.js). */
.descargas-burbuja {
    position: fixed;
    right: 1.25rem;
    bottom: 1.25rem;
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: var(--md-primary);
    color: var(--md-on-primary);
    box-shadow: var(--md-elevation-4);
    font-size: 1.1rem;
    z-index: 1050;
}

.descargas-burbuja:hover { background: var(--md-primary-dark); }

.descargas-panel-body {
    overflow-y: auto;
    padding: .4rem;
}

.descarga-item {
    padding: .5rem .6rem;
    border-radius: var(--md-radius);
}

.descarga-item + .descarga-item { border-top: 1px solid var(--md-divider); }

.descarga-item-titulo {
    font-size: .82rem;
    font-weight: 500;
    color: var(--md-text-primary);
    margin-bottom: .2rem;
}

.descarga-item-estado {
    display: flex;
    align-items: center;
    gap: .4rem;
    font-size: .8rem;
    color: var(--md-text-secondary);
}

.descarga-item-estado.descarga-ok { color: #2e7d32; }
.descarga-item-estado.descarga-error { color: #c62828; }
.descarga-item-nota { color: var(--md-text-secondary); font-size: .72rem; }

.md-spinner-sm {
    width: 14px;
    height: 14px;
    border: 2px solid var(--md-primary-light);
    border-top-color: var(--md-primary);
    border-radius: 50%;
    animation: md-spin .7s linear infinite;
    flex: none;
}

@media (max-width: 768px) {
    .descargas-panel { right: .75rem; bottom: .75rem; left: .75rem; width: auto; }
}

/* ---------- Responsive ---------- */

@media (max-width: 991.98px) {
    .md-sidenav {
        position: fixed;
        left: 0;
        top: 0;
        transform: translateX(-100%);
        transition: transform .2s ease;
        box-shadow: var(--md-elevation-4);
    }
    .md-sidenav.is-open { transform: translateX(0); }
    #btn-toggle-sidenav { display: inline-flex; }
    .md-app-header-title { display: none; }
}

@media (max-width: 768px) {
    .page-shell { padding: 1rem .75rem 2rem; }
    .md-app-header { padding: .6rem .85rem; }
    .field-group { width: 100%; order: 3; }
    .md-combo { width: 100%; }
    .md-combo-input { width: 100%; }
    .md-card-header { padding: .85rem 1rem; }
    .md-table thead th, .md-table tbody td { padding: .5rem .65rem; font-size: .78rem; }
    .md-paginator { justify-content: center; }
    .md-paginator .range-label { margin-right: 0; width: 100%; text-align: center; }
}

/* ---------- Login (LoginResource) ---------- */

.md-login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--md-primary), var(--md-primary-dark));
    padding: 1rem;
}

.md-login-card {
    background: var(--md-surface);
    border-radius: var(--md-radius-lg);
    box-shadow: var(--md-elevation-4);
    padding: 2rem;
    width: 360px;
    max-width: 100%;
}

.md-login-brand {
    display: flex;
    align-items: center;
    gap: .6rem;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--md-primary);
    margin-bottom: 1.5rem;
}

.md-login-brand i { font-size: 1.5rem; }