/* ============================================================
   VALIDACIONES DE NÓMINA — Sistema de estilos principal
   Color corporativo: #CC0000
   Versión: 1.0
   ============================================================ */

/* ── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

/* ── Variables CSS (cambiar aquí afecta todo el sistema) ──── */
:root {
    /* Colores corporativos */
    --color-primary:        #CC0000;
    --color-primary-dark:   #A00000;
    --color-primary-light:  #E53333;
    --color-primary-ultra:  #FF1A1A;
    --color-primary-bg:     #FFF5F5;

    /* Neutros */
    --color-white:          #FFFFFF;
    --color-gray-50:        #F9FAFB;
    --color-gray-100:       #F3F4F6;
    --color-gray-200:       #E5E7EB;
    --color-gray-300:       #D1D5DB;
    --color-gray-400:       #9CA3AF;
    --color-gray-500:       #6B7280;
    --color-gray-600:       #4B5563;
    --color-gray-700:       #374151;
    --color-gray-800:       #1F2937;
    --color-gray-900:       #111827;

    /* Estados */
    --color-success:        #16A34A;
    --color-success-bg:     #F0FDF4;
    --color-warning:        #D97706;
    --color-warning-bg:     #FFFBEB;
    --color-danger:         #DC2626;
    --color-danger-bg:      #FEF2F2;
    --color-info:           #2563EB;
    --color-info-bg:        #EFF6FF;

    /* Tipografía */
    --font-heading:         'Montserrat', sans-serif;
    --font-body:            'Inter', sans-serif;

    /* Espaciado */
    --sidebar-width:        260px;
    --header-height:        64px;
    --border-radius:        8px;
    --border-radius-lg:     12px;
    --border-radius-xl:     16px;

    /* Sombras */
    --shadow-sm:   0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
    --shadow-md:   0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.05);
    --shadow-lg:   0 10px 15px rgba(0,0,0,.08), 0 4px 6px rgba(0,0,0,.05);
    --shadow-xl:   0 20px 25px rgba(0,0,0,.10), 0 8px 10px rgba(0,0,0,.05);
    --shadow-red:  0 4px 20px rgba(204,0,0,.25);

    /* Transiciones */
    --transition:  all .2s cubic-bezier(.4,0,.2,1);
    --transition-slow: all .35s cubic-bezier(.4,0,.2,1);
}

/* ── Reset y Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    font-size: .9375rem;
    color: var(--color-gray-800);
    background: var(--color-gray-50);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-primary-dark); }

/* ── Scrollbar personalizada ──────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--color-gray-100); }
::-webkit-scrollbar-thumb { background: var(--color-gray-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary); }

/* ============================================================
   LAYOUT PRINCIPAL (con sidebar)
   ============================================================ */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar ──────────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-width);
    background: var(--color-gray-900);
    color: var(--color-white);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0;
    height: 100vh;
    z-index: 1000;
    transition: var(--transition-slow);
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    min-height: var(--header-height);
}

.sidebar-brand-logo {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.1rem;
    color: white;
    box-shadow: var(--shadow-red);
    overflow: hidden;
}

.sidebar-brand-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.sidebar-brand-text {
    display: flex;
    flex-direction: column;
}

.sidebar-brand-name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: .8rem;
    color: var(--color-white);
    line-height: 1.2;
    letter-spacing: .3px;
}

.sidebar-brand-sub {
    font-size: .7rem;
    color: var(--color-gray-400);
    letter-spacing: .5px;
    text-transform: uppercase;
    margin-top: 2px;
}

/* Secciones del menú */
.sidebar-section {
    padding: 16px 0 8px;
}

.sidebar-section-title {
    font-size: .65rem;
    font-weight: 600;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--color-gray-500);
    padding: 0 20px 8px;
}

.sidebar-menu { list-style: none; }

.sidebar-menu-item { position: relative; }

.sidebar-menu-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: var(--color-gray-400);
    font-size: .875rem;
    font-weight: 500;
    border-left: 3px solid transparent;
    transition: var(--transition);
    cursor: pointer;
    white-space: nowrap;
}

.sidebar-menu-link:hover {
    color: var(--color-white);
    background: rgba(255,255,255,.05);
    border-left-color: rgba(204,0,0,.5);
}

.sidebar-menu-link.active {
    color: var(--color-white);
    background: rgba(204,0,0,.15);
    border-left-color: var(--color-primary);
}

.sidebar-menu-link .menu-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: .7;
}

.sidebar-menu-link.active .menu-icon,
.sidebar-menu-link:hover .menu-icon { opacity: 1; }

/* Submenú desplegable */
.sidebar-submenu {
    list-style: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
    background: rgba(0,0,0,.2);
}

.sidebar-submenu.open { max-height: 500px; }

.sidebar-submenu-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px 8px 44px;
    color: var(--color-gray-500);
    font-size: .825rem;
    transition: var(--transition);
}

.sidebar-submenu-link:hover {
    color: var(--color-white);
    background: rgba(255,255,255,.04);
}

.sidebar-submenu-link.active {
    color: var(--color-primary-light);
}

/* Flecha de submenú */
.submenu-arrow {
    margin-left: auto;
    width: 14px;
    height: 14px;
    transition: transform .25s ease;
    opacity: .5;
}

.sidebar-menu-link[aria-expanded="true"] .submenu-arrow {
    transform: rotate(180deg);
}

/* Footer del sidebar */
.sidebar-footer {
    margin-top: auto;
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,.08);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-user-avatar {
    width: 34px;
    height: 34px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: .8rem;
    color: white;
    flex-shrink: 0;
}

.sidebar-user-info { flex: 1; overflow: hidden; }

.sidebar-user-name {
    font-size: .825rem;
    font-weight: 600;
    color: var(--color-white);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: .7rem;
    color: var(--color-gray-500);
}

.sidebar-logout-btn {
    background: none;
    border: none;
    color: var(--color-gray-500);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: var(--transition);
    display: flex;
}

.sidebar-logout-btn:hover { color: var(--color-primary-light); }

/* ── Contenido principal ──────────────────────────────────── */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: var(--transition-slow);
}

/* ── Topbar ───────────────────────────────────────────────── */
.topbar {
    height: var(--header-height);
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.topbar-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-gray-600);
    padding: 6px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.topbar-toggle:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

.topbar-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: .875rem;
    color: var(--color-gray-500);
    flex: 1;
}

.topbar-breadcrumb .separator { color: var(--color-gray-300); }

.topbar-breadcrumb .current {
    color: var(--color-gray-800);
    font-weight: 600;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.topbar-badge {
    background: var(--color-primary-bg);
    color: var(--color-primary);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: .75rem;
    font-weight: 600;
    border: 1px solid rgba(204,0,0,.15);
}

/* ── Área de página ───────────────────────────────────────── */
.page-content {
    flex: 1;
    padding: 28px 28px 40px;
}

/* ── Encabezado de página ─────────────────────────────────── */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 24px;
    gap: 16px;
    flex-wrap: wrap;
}

.page-header-left {}

.page-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
    line-height: 1.2;
    display: flex;
    align-items: center;
    gap: 10px;
}

.page-title-icon {
    width: 36px;
    height: 36px;
    background: var(--color-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-red);
}

.page-title-icon svg { color: white; width: 18px; height: 18px; }

.page-subtitle {
    font-size: .875rem;
    color: var(--color-gray-500);
    margin-top: 4px;
}

.page-header-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.card:hover { box-shadow: var(--shadow-md); }

.card-header {
    padding: 18px 24px 14px;
    border-bottom: 1px solid var(--color-gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-800);
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-title svg { color: var(--color-primary); width: 18px; height: 18px; }

.card-body { padding: 20px 24px; }

.card-footer {
    padding: 14px 24px;
    border-top: 1px solid var(--color-gray-100);
    background: var(--color-gray-50);
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

/* Card con borde rojo izquierdo */
.card-accent {
    border-left: 4px solid var(--color-primary);
}

/* ============================================================
   BOTONES
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 9px 18px;
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: .875rem;
    font-weight: 600;
    cursor: pointer;
    border: 1.5px solid transparent;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    line-height: 1;
}

.btn svg { width: 15px; height: 15px; }

.btn:disabled {
    opacity: .55;
    cursor: not-allowed;
    pointer-events: none;
}

/* Primario */
.btn-primary {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    box-shadow: 0 1px 4px rgba(204,0,0,.2);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: white;
    box-shadow: var(--shadow-red);
    transform: translateY(-1px);
}

.btn-primary:active { transform: translateY(0); }

/* Secundario */
.btn-secondary {
    background: white;
    color: var(--color-gray-700);
    border-color: var(--color-gray-300);
}

.btn-secondary:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-400);
    color: var(--color-gray-900);
}

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

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

/* Éxito */
.btn-success {
    background: var(--color-success);
    color: white;
    border-color: var(--color-success);
}

.btn-success:hover {
    background: #15803D;
    color: white;
}

/* Ghost */
.btn-ghost {
    background: transparent;
    color: var(--color-gray-600);
    border-color: transparent;
}

.btn-ghost:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-900);
}

/* Tamaños */
.btn-sm { padding: 6px 12px; font-size: .8125rem; }
.btn-lg { padding: 12px 24px; font-size: 1rem; }
.btn-xl { padding: 14px 32px; font-size: 1.0625rem; }

/* Loading spinner en botón */
.btn-loading { position: relative; color: transparent !important; }
.btn-loading::after {
    content: '';
    position: absolute;
    width: 15px; height: 15px;
    border: 2px solid rgba(255,255,255,.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin .7s linear infinite;
}

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

/* ============================================================
   FORMULARIOS
   ============================================================ */
.form-group { margin-bottom: 20px; }

.form-label {
    display: block;
    font-size: .8375rem;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: 6px;
    letter-spacing: .1px;
}

.form-label .required {
    color: var(--color-primary);
    margin-left: 2px;
}

.form-control {
    display: block;
    width: 100%;
    padding: 10px 14px;
    font-family: var(--font-body);
    font-size: .9rem;
    color: var(--color-gray-800);
    background: var(--color-white);
    border: 1.5px solid var(--color-gray-300);
    border-radius: var(--border-radius);
    transition: var(--transition);
    line-height: 1.5;
    appearance: none;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(204,0,0,.1);
}

.form-control::placeholder { color: var(--color-gray-400); }

.form-control:disabled {
    background: var(--color-gray-100);
    color: var(--color-gray-500);
    cursor: not-allowed;
}

.form-control.is-invalid {
    border-color: var(--color-danger);
    box-shadow: none;
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(220,38,38,.1);
}

.form-control.is-valid {
    border-color: var(--color-success);
}

/* Input con icono */
.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group .form-control {
    padding-left: 40px;
}

.input-group .input-icon {
    position: absolute;
    left: 12px;
    color: var(--color-gray-400);
    width: 18px; height: 18px;
    pointer-events: none;
    transition: var(--transition);
}

.input-group:focus-within .input-icon {
    color: var(--color-primary);
}

.input-group .input-action {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-gray-400);
    padding: 2px;
    display: flex;
    transition: var(--transition);
}

.input-group .input-action:hover { color: var(--color-primary); }

.form-hint {
    font-size: .775rem;
    color: var(--color-gray-500);
    margin-top: 5px;
}

.form-error {
    font-size: .775rem;
    color: var(--color-danger);
    margin-top: 5px;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Select personalizado */
select.form-control {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* Checkbox y Radio estilizados */
.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.form-check-input {
    width: 17px; height: 17px;
    border: 1.5px solid var(--color-gray-300);
    border-radius: 4px;
    appearance: none;
    background: white;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
    position: relative;
}

.form-check-input:checked {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.form-check-input:checked::after {
    content: '';
    position: absolute;
    top: 2px; left: 5px;
    width: 5px; height: 9px;
    border: 2px solid white;
    border-top: none; border-left: none;
    transform: rotate(45deg);
}

.form-check-label {
    font-size: .875rem;
    color: var(--color-gray-700);
    cursor: pointer;
    user-select: none;
}

/* ============================================================
   TABLAS DE DATOS
   ============================================================ */
.table-container {
    overflow-x: auto;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-gray-200);
    background: white;
}

.table-data {
    width: 100%;
    border-collapse: collapse;
    font-size: .855rem;
}

.table-data thead tr {
    background: var(--color-gray-900);
    position: sticky;
    top: 0;
    z-index: 10;
}

.table-data thead th {
    padding: 12px 16px;
    text-align: left;
    font-family: var(--font-heading);
    font-size: .75rem;
    font-weight: 600;
    color: var(--color-white);
    letter-spacing: .4px;
    text-transform: uppercase;
    white-space: nowrap;
}

/* Columna filtrable */
.table-data thead th.filterable {
    cursor: pointer;
    user-select: none;
}

.table-data thead th.filterable:hover {
    background: rgba(255,255,255,.1);
}

.th-content {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.th-label {
    display: flex;
    align-items: center;
    gap: 5px;
}

.th-label .sort-icon { opacity: .4; width: 12px; height: 12px; }
.th-label:hover .sort-icon,
.sorted .th-label .sort-icon { opacity: 1; color: var(--color-primary-light); }

.th-filter {
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.2);
    border-radius: 4px;
    padding: 4px 8px;
    font-size: .75rem;
    color: white;
    width: 100%;
    outline: none;
    transition: var(--transition);
    font-family: var(--font-body);
}

.th-filter::placeholder { color: rgba(255,255,255,.4); }

.th-filter:focus {
    background: rgba(255,255,255,.15);
    border-color: var(--color-primary-light);
}

.table-data tbody tr {
    border-bottom: 1px solid var(--color-gray-100);
    transition: background .15s ease;
}

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

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

.table-data tbody td {
    padding: 11px 16px;
    color: var(--color-gray-700);
    vertical-align: middle;
}

/* Barra de herramientas de tabla */
.table-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-200);
    gap: 12px;
    flex-wrap: wrap;
}

.table-info {
    font-size: .8125rem;
    color: var(--color-gray-500);
}

.table-info strong {
    color: var(--color-gray-800);
    font-weight: 600;
}

/* Paginación */
.pagination {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 14px 16px;
    border-top: 1px solid var(--color-gray-200);
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.pagination-pages {
    display: flex;
    align-items: center;
    gap: 4px;
}

.page-btn {
    min-width: 34px; height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    font-size: .8125rem;
    font-weight: 500;
    cursor: pointer;
    border: 1.5px solid var(--color-gray-200);
    background: white;
    color: var(--color-gray-600);
    transition: var(--transition);
}

.page-btn:hover:not(:disabled) {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-bg);
}

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

.page-btn:disabled {
    opacity: .4;
    cursor: not-allowed;
}

/* ============================================================
   ALERTAS Y NOTIFICACIONES
   ============================================================ */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--border-radius);
    font-size: .875rem;
    border: 1px solid transparent;
    animation: alertIn .3s ease;
}

@keyframes alertIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.alert svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }

.alert-danger  { background: var(--color-danger-bg);  border-color: rgba(220,38,38,.2);  color: #991B1B; }
.alert-success { background: var(--color-success-bg); border-color: rgba(22,163,74,.2);  color: #166534; }
.alert-warning { background: var(--color-warning-bg); border-color: rgba(217,119,6,.2);  color: #92400E; }
.alert-info    { background: var(--color-info-bg);    border-color: rgba(37,99,235,.2);  color: #1E40AF; }

/* ============================================================
   BADGES / ETIQUETAS
   ============================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .3px;
    white-space: nowrap;
}

.badge-success  { background: var(--color-success-bg); color: var(--color-success); border: 1px solid rgba(22,163,74,.2); }
.badge-danger   { background: var(--color-danger-bg);  color: var(--color-danger);  border: 1px solid rgba(220,38,38,.2); }
.badge-warning  { background: var(--color-warning-bg); color: var(--color-warning); border: 1px solid rgba(217,119,6,.2); }
.badge-info     { background: var(--color-info-bg);    color: var(--color-info);    border: 1px solid rgba(37,99,235,.2); }
.badge-gray     { background: var(--color-gray-100);   color: var(--color-gray-600); border: 1px solid var(--color-gray-200); }
.badge-primary  { background: var(--color-primary-bg); color: var(--color-primary); border: 1px solid rgba(204,0,0,.2); }

/* ============================================================
   MODALES
   ============================================================ */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn .2s ease;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
    background: white;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 520px;
    animation: modalIn .25s cubic-bezier(.34,1.56,.64,1);
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(.92) translateY(20px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--color-gray-100);
}

.modal-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-gray-400);
    padding: 4px;
    border-radius: 4px;
    transition: var(--transition);
    display: flex;
}

.modal-close:hover { color: var(--color-gray-700); background: var(--color-gray-100); }

.modal-body { padding: 20px 24px; }

.modal-footer {
    padding: 16px 24px 20px;
    border-top: 1px solid var(--color-gray-100);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* ============================================================
   STATS / MÉTRICAS (dashboard)
   ============================================================ */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 20px;
    border: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: flex-start;
    gap: 14px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px;
    height: 100%;
    background: var(--color-primary);
}

.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.stat-icon {
    width: 44px; height: 44px;
    background: var(--color-primary-bg);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon svg { width: 22px; height: 22px; color: var(--color-primary); }

.stat-value {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-gray-900);
    line-height: 1;
}

.stat-label {
    font-size: .8rem;
    color: var(--color-gray-500);
    margin-top: 4px;
}

/* ============================================================
   CARGA / UPLOAD
   ============================================================ */
.dropzone {
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--border-radius-lg);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--color-gray-50);
}

.dropzone:hover, .dropzone.dragover {
    border-color: var(--color-primary);
    background: var(--color-primary-bg);
}

.dropzone-icon {
    width: 48px; height: 48px;
    background: var(--color-primary-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
}

.dropzone-icon svg { color: var(--color-primary); width: 24px; height: 24px; }

.dropzone-title {
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: 4px;
}

.dropzone-hint {
    font-size: .8125rem;
    color: var(--color-gray-400);
}

/* Barra de progreso */
.progress {
    height: 8px;
    background: var(--color-gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    border-radius: 4px;
    transition: width .4s ease;
    position: relative;
    overflow: hidden;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.3), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer { to { left: 100%; } }

/* ============================================================
   PÁGINA DE LOGIN (sin sidebar)
   ============================================================ */
.login-wrapper {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 480px;
    background: var(--color-white);
}

.login-panel-left {
    background: var(--color-primary);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 60px 50px;
    position: relative;
    overflow: hidden;
}

/* Patrón geométrico en el panel izquierdo */
.login-panel-left::before {
    content: '';
    position: absolute;
    width: 500px; height: 500px;
    border: 80px solid rgba(255,255,255,.06);
    border-radius: 50%;
    top: -150px; right: -150px;
}

.login-panel-left::after {
    content: '';
    position: absolute;
    width: 300px; height: 300px;
    border: 60px solid rgba(255,255,255,.06);
    border-radius: 50%;
    bottom: -80px; left: -80px;
}

.login-brand {
    position: relative;
    z-index: 1;
    text-align: center;
}

.login-brand-logo {
    width: 90px; height: 90px;
    background: rgba(255,255,255,.15);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    border: 2px solid rgba(255,255,255,.2);
    overflow: hidden;
}

.login-brand-logo img { width: 70px; height: 70px; object-fit: contain; }

.login-brand-logo-placeholder {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 2rem;
    color: white;
}

.login-brand-name {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
    color: white;
    margin-bottom: 8px;
    letter-spacing: -.3px;
}

.login-brand-tagline {
    font-size: .9rem;
    color: rgba(255,255,255,.7);
    max-width: 300px;
    line-height: 1.6;
    margin: 0 auto;
}

.login-features {
    position: relative;
    z-index: 1;
    margin-top: 48px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 100%;
    max-width: 320px;
}

.login-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.15);
    border-radius: var(--border-radius);
    padding: 12px 16px;
    backdrop-filter: blur(4px);
}

.login-feature-icon {
    width: 32px; height: 32px;
    background: rgba(255,255,255,.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.login-feature-icon svg { color: white; width: 16px; height: 16px; }

.login-feature-text {
    font-size: .825rem;
    color: rgba(255,255,255,.85);
    font-weight: 500;
}

/* Panel derecho del login */
.login-panel-right {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 50px 48px;
    background: white;
}

.login-form-header { margin-bottom: 32px; }

.login-form-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 6px;
}

.login-form-subtitle {
    font-size: .9rem;
    color: var(--color-gray-500);
}

.login-footer {
    margin-top: auto;
    padding-top: 32px;
    font-size: .775rem;
    color: var(--color-gray-400);
    text-align: center;
}

/* ============================================================
   INDICADOR DE FORTALEZA DE CONTRASEÑA
   ============================================================ */
.pwd-strength {
    margin-top: 8px;
}

.pwd-strength-bar {
    display: flex;
    gap: 4px;
    margin-bottom: 6px;
}

.pwd-strength-segment {
    height: 4px;
    flex: 1;
    border-radius: 2px;
    background: var(--color-gray-200);
    transition: var(--transition);
}

.pwd-strength-segment.active-1 { background: var(--color-danger); }
.pwd-strength-segment.active-2 { background: var(--color-warning); }
.pwd-strength-segment.active-3 { background: #84CC16; }
.pwd-strength-segment.active-4 { background: var(--color-success); }

.pwd-strength-label {
    font-size: .75rem;
    color: var(--color-gray-500);
}

.pwd-rules {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.pwd-rule {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: .775rem;
    color: var(--color-gray-400);
    transition: var(--transition);
}

.pwd-rule.met { color: var(--color-success); }

.pwd-rule-icon { width: 14px; height: 14px; }

/* ============================================================
   LOADING OVERLAY
   ============================================================ */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255,255,255,.85);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    backdrop-filter: blur(4px);
}

.loading-spinner {
    width: 44px; height: 44px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin .8s linear infinite;
}

.loading-text {
    font-size: .9rem;
    color: var(--color-gray-600);
    font-weight: 500;
}

/* ============================================================
   TOASTS (notificaciones flotantes)
   ============================================================ */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 360px;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    border-left: 4px solid var(--color-primary);
    animation: toastIn .3s cubic-bezier(.34,1.56,.64,1);
    font-size: .875rem;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(40px); }
    to   { opacity: 1; transform: translateX(0); }
}

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

.toast-icon { flex-shrink: 0; width: 18px; height: 18px; }
.toast-body { flex: 1; }
.toast-title { font-weight: 600; color: var(--color-gray-800); margin-bottom: 2px; }
.toast-msg   { color: var(--color-gray-500); font-size: .825rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-xl);
    }

    .main-content {
        margin-left: 0;
    }

    .topbar-toggle {
        display: flex;
    }

    .login-wrapper {
        grid-template-columns: 1fr;
    }

    .login-panel-left {
        display: none;
    }

    .login-panel-right {
        padding: 40px 28px;
        min-height: 100vh;
    }
}

@media (max-width: 768px) {
    .page-content { padding: 16px; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .stat-grid { grid-template-columns: 1fr 1fr; }
    .card-body { padding: 16px; }
    .table-toolbar { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
    .stat-grid { grid-template-columns: 1fr; }
    .btn { width: 100%; justify-content: center; }
    .page-header-actions { width: 100%; }
    .pagination { flex-direction: column; align-items: center; }
}

/* ============================================================
   UTILIDADES
   ============================================================ */
.text-primary  { color: var(--color-primary) !important; }
.text-muted    { color: var(--color-gray-500) !important; }
.text-success  { color: var(--color-success) !important; }
.text-danger   { color: var(--color-danger) !important; }
.text-warning  { color: var(--color-warning) !important; }

.bg-primary    { background: var(--color-primary) !important; color: white !important; }
.bg-light      { background: var(--color-gray-50) !important; }

.fw-normal { font-weight: 400; }
.fw-medium { font-weight: 500; }
.fw-semibold { font-weight: 600; }
.fw-bold   { font-weight: 700; }

.d-flex { display: flex; }
.d-grid { display: grid; }
.d-none { display: none; }

.align-center  { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-end   { justify-content: flex-end; }
.justify-center { justify-content: center; }

.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }

.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }

.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }

.w-100 { width: 100%; }
.text-center { text-align: center; }
.text-right  { text-align: right; }

.divider {
    height: 1px;
    background: var(--color-gray-200);
    margin: 20px 0;
}

/* Animación de entrada para elementos de página */
.fade-in {
    animation: fadeInUp .4s ease both;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.fade-in-delay-1 { animation-delay: .1s; }
.fade-in-delay-2 { animation-delay: .2s; }
.fade-in-delay-3 { animation-delay: .3s; }