/* =============================================================
   Nómina Inteligente — Componentes UI Reutilizables
   Botones, Cards, Badges, Toasts, Tablas, Modals, Empty States
   ============================================================= */

/* =============================================================
   BOTONES
   ============================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 10px 20px;
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
    user-select: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Primario */
.btn--primary {
    background-color: var(--color-primary);
    color: var(--color-text-on-primary);
    border-color: var(--color-primary);
}

.btn--primary:hover {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    color: var(--color-text-on-primary);
}

.btn--primary:active {
    background-color: var(--color-primary-active);
}

/* Secundario */
.btn--secondary {
    background-color: var(--color-bg-card);
    color: var(--color-primary);
    border-color: var(--color-border);
}

.btn--secondary:hover {
    background-color: var(--color-primary-lighter);
    border-color: var(--color-primary);
}

/* Outline */
.btn--outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn--outline:hover {
    background-color: var(--color-primary);
    color: var(--color-text-on-primary);
}

/* Ghost */
.btn--ghost {
    background-color: transparent;
    color: var(--color-text-secondary);
}

.btn--ghost:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-text-primary);
}

/* Danger */
.btn--danger {
    background-color: var(--color-error);
    color: #FFFFFF;
    border-color: var(--color-error);
}

.btn--danger:hover {
    background-color: var(--color-error-dark);
    border-color: var(--color-error-dark);
}

/* Tamaños */
.btn--sm {
    padding: 6px 14px;
    font-size: var(--text-xs);
}

.btn--lg {
    padding: 14px 28px;
    font-size: var(--text-base);
}

.btn--full {
    width: 100%;
}

/* Loading state */
.btn--loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn--loading::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #FFFFFF;
    border-radius: 50%;
    animation: btn-spin 0.6s linear infinite;
}

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

/* Icon button */
.btn--icon {
    padding: 8px;
    border-radius: var(--radius-sm);
}

/* =============================================================
   CARDS
   ============================================================= */

.card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border-light);
}

.card__title {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.card__body {
    padding: var(--space-lg);
}

.card__footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--color-border-light);
    background-color: var(--color-bg-main);
}

/* Card clickable (para dashboard modules) */
.card--clickable {
    cursor: pointer;
    transition: all var(--transition-fast);
}

.card--clickable:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
    transform: translateY(-2px);
}

/* Stat card (dashboard) */
.stat-card {
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.stat-card__icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
}

.stat-card__value {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    line-height: 1;
}

.stat-card__label {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

/* =============================================================
   BADGES / TAGS
   ============================================================= */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    line-height: 1.4;
}

.badge--success {
    background-color: var(--color-success-light);
    color: var(--color-success-dark);
}

.badge--warning {
    background-color: var(--color-warning-light);
    color: var(--color-warning-dark);
}

.badge--error {
    background-color: var(--color-error-light);
    color: var(--color-error-dark);
}

.badge--info {
    background-color: var(--color-info-light);
    color: var(--color-info-dark);
}

.badge--neutral {
    background-color: var(--color-bg-hover);
    color: var(--color-text-secondary);
}

.badge--primary {
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
}

/* Dot indicator */
.badge__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: currentColor;
}

/* =============================================================
   TABLAS
   ============================================================= */

.table-container {
    overflow-x: auto;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    background-color: var(--color-bg-card);
}

.table {
    width: 100%;
    font-size: var(--text-sm);
}

.table th {
    background-color: var(--color-bg-main);
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

.table td {
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text-primary);
    vertical-align: middle;
}

.table tbody tr:hover {
    background-color: var(--color-bg-hover);
}

/* Filas clickeables (Patrón B): cursor pointer indica que el row navega al SHOW
   al hacer clic. El hover background ya lo aplica .table tbody tr:hover arriba. */
.table tbody tr[data-href] {
    cursor: pointer;
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.table--striped tbody tr:nth-child(even) {
    background-color: var(--color-primary-lighter);
}

/* =============================================================
   LIST FILTERS (barra de búsqueda + estatus en listados)
   ============================================================= */

.empresas-filters {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.empresas-filters__search {
    flex: 1;
    min-width: 250px;
}

.empresas-filters__estatus {
    min-width: 180px;
}

/* =============================================================
   NAME LINK (nombre clickeable en tablas con sublabel)
   ============================================================= */

.empresa-name-link {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.empresa-name-link:hover .empresa-name {
    color: var(--color-primary);
}

.empresa-name {
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
}

.empresa-short {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* =============================================================
   UTILITIES
   ============================================================= */

.font-mono {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
}

/* =============================================================
   TABLE ACTIONS
   ============================================================= */

.table-actions {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

/* =============================================================
   PAGINATION
   ============================================================= */

.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--space-lg);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.pagination__info {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.pagination__nav {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

/* =============================================================
   DETAIL GRID (vista show de entidades)
   ============================================================= */

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.detail-grid__item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.detail-grid__item--full {
    grid-column: 1 / -1;
}

.detail-grid__label {
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--color-text-muted);
}

.detail-grid__value {
    font-size: var(--text-sm);
    color: var(--color-text-primary);
    line-height: 1.5;
}

/* =============================================================
   PAGE HEADER META
   ============================================================= */

.page-header__meta {
    display: flex;
    align-items: center;
    margin-top: var(--space-xs);
    flex-wrap: wrap;
    gap: var(--space-sm);
}

/* =============================================================
   TABS / PESTAÑAS
   ============================================================= */

.tabs {
    display: flex;
    flex-wrap: wrap;
    border-bottom: 2px solid var(--color-border-light);
    gap: 0;
}

.tabs__item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    text-decoration: none;
    border: none;
    background: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition-fast);
    white-space: nowrap;
    cursor: pointer;
}

.tabs__item:hover {
    color: var(--color-primary);
}

.tabs__item--active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tabs__count {
    font-size: var(--text-xs);
    background-color: var(--color-bg-hover);
    color: var(--color-text-muted);
    padding: 1px 8px;
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-semibold);
}

.tabs__item--active .tabs__count {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

/* Indicador de error en el tab (punto rojo) */
.tabs__item--error::after {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-error);
    border-radius: 50%;
    margin-left: var(--space-xs);
    flex-shrink: 0;
}

/* =============================================================
   TOASTS / NOTIFICACIONES
   ============================================================= */

.toast-container {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column-reverse;
    gap: var(--space-sm);
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background-color: var(--color-bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--color-border);
    max-width: 420px;
    pointer-events: auto;
    animation: toast-in 0.3s ease;
}

.toast--success { border-left-color: var(--color-success); }
.toast--error { border-left-color: var(--color-error); }
.toast--warning { border-left-color: var(--color-warning); }
.toast--info { border-left-color: var(--color-info); }

.toast__icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin-top: 1px;
}

.toast--success .toast__icon { color: var(--color-success); }
.toast--error .toast__icon { color: var(--color-error); }
.toast--warning .toast__icon { color: var(--color-warning); }
.toast--info .toast__icon { color: var(--color-info); }

.toast__content {
    flex: 1;
}

.toast__title {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: 2px;
}

.toast__message {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.toast__close {
    flex-shrink: 0;
    color: var(--color-text-muted);
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.toast__close:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.toast--out {
    animation: toast-out 0.25s ease forwards;
}

@keyframes toast-in {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes toast-out {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(20px); }
}

/* =============================================================
   MODALS
   ============================================================= */

.modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: var(--color-bg-overlay);
    z-index: var(--z-modal-backdrop);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    animation: modal-backdrop-in 0.2s ease;
}

.modal-backdrop.active {
    display: flex;
}

.modal {
    background-color: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modal-in 0.25s ease;
}

.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border-light);
}

.modal__title {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-semibold);
}

.modal__close {
    color: var(--color-text-muted);
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.modal__close:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.modal__body {
    padding: var(--space-lg);
}

.modal__footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--color-border-light);
    background-color: var(--color-bg-main);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

@keyframes modal-backdrop-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes modal-in {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

/* =============================================================
   ALERTAS INLINE
   ============================================================= */

.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    border: 1px solid transparent;
}

.alert--success {
    background-color: var(--color-success-light);
    color: var(--color-success-dark);
    border-color: var(--color-success);
}

.alert--error {
    background-color: var(--color-error-light);
    color: var(--color-error-dark);
    border-color: var(--color-error);
}

.alert--warning {
    background-color: var(--color-warning-light);
    color: var(--color-warning-dark);
    border-color: var(--color-warning);
}

.alert--info {
    background-color: var(--color-info-light);
    color: var(--color-info-dark);
    border-color: var(--color-info);
}

/* =============================================================
   EMPTY STATE
   ============================================================= */

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-3xl) var(--space-xl);
    text-align: center;
    color: var(--color-text-muted);
}

.empty-state__icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    opacity: 0.5;
}

.empty-state__title {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
}

.empty-state__description {
    font-size: var(--text-sm);
    max-width: 360px;
    margin-bottom: var(--space-lg);
}

/* =============================================================
   DROPDOWN
   ============================================================= */

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown__menu {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    min-width: 200px;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-xs) 0;
    z-index: var(--z-tooltip);
    display: none;
    animation: dropdown-in 0.15s ease;
}

.dropdown__menu.active {
    display: block;
}

.dropdown__item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-sm);
    color: var(--color-text-primary);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    text-decoration: none;
    width: 100%;
    text-align: left;
}

.dropdown__item:hover {
    background-color: var(--color-bg-hover);
}

.dropdown__item--danger {
    color: var(--color-error);
}

.dropdown__item--danger:hover {
    background-color: var(--color-error-light);
}

.dropdown__divider {
    height: 1px;
    background-color: var(--color-border-light);
    margin: var(--space-xs) 0;
}

@keyframes dropdown-in {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* =============================================================
   FILE UPLOAD
   ============================================================= */

.file-upload {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.file-upload__dropzone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.file-upload__dropzone:hover,
.file-upload__dropzone--active {
    border-color: var(--color-primary);
    background-color: var(--color-primary-lighter);
}

.file-upload__dropzone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.file-upload__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.file-upload__item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.file-upload__item:hover {
    background-color: var(--color-bg-hover);
}

.file-upload__item-icon {
    font-size: var(--text-lg);
    flex-shrink: 0;
}

.file-upload__item-info {
    flex: 1;
    min-width: 0;
}

.file-upload__item-name {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-link);
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-upload__item-name:hover {
    color: var(--color-text-link-hover);
}

.file-upload__item-meta {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* =============================================================
   UPLOAD PROGRESS BAR
   ============================================================= */

.upload-progress {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background-color: var(--color-bg-main);
    border-top: 1px solid var(--color-border-light);
}

.upload-progress__bar {
    flex: 1;
    height: 6px;
    background-color: var(--color-border-light);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.upload-progress__fill {
    height: 100%;
    background: var(--gradient-brand);
    border-radius: var(--radius-full);
    transition: width 0.2s ease;
}

.upload-progress__text {
    font-size: var(--text-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    white-space: nowrap;
    min-width: 100px;
    text-align: right;
}

.upload-progress--floating {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-md) var(--space-lg);
    pointer-events: auto;
    animation: toast-in 0.3s ease;
}