/**
 * Virtual Documents Page Styles - Municipalidad Distrital de Talavera
 * Diseño Empresarial Moderno - ISO 25010 Compliant
 * Paleta: Azul Celeste, Rojo Claro, Blanco
 * Sincronizado con transparencia.css y home
 */

/* ============================================
   VARIABLES CSS - Sistema de Diseño
   ============================================ */
:root {
    /* Colores Institucionales */
    --primary: #0ea5e9;
    --primary-light: #38bdf8;
    --primary-dark: #0284c7;
    --primary-50: rgba(14, 165, 233, 0.1);
    --primary-100: rgba(14, 165, 233, 0.2);
    
    --secondary: #ef4444;
    --secondary-light: #f87171;
    --secondary-dark: #dc2626;
    
    --success: #10b981;
    --success-light: #34d399;
    --success-dark: #059669;
    
    /* Neutros Refinados */
    --white: #ffffff;
    --off-white: #fafbfc;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --black: #000000;
    
    /* Sombras Suaves */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
    --shadow-2xl: 0 24px 64px rgba(0, 0, 0, 0.16);
    --shadow-primary: 0 8px 32px rgba(14, 165, 233, 0.25);
    --shadow-secondary: 0 8px 32px rgba(239, 68, 68, 0.25);
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
    
    /* Transiciones Suaves Profesionales */
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    
    --duration-fast: 200ms;
    --duration-normal: 350ms;
    --duration-slow: 500ms;
    
    /* Espaciado Consistente */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Contenedor */
    --container-max: 1280px;
    --container-padding: 1.5rem;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-2xl: 28px;
    --radius-full: 9999px;
    
    /* Tipografía */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ============================================
   BASE STYLES - ISO 25010: Aprendizaje
   ============================================ */
.virtual-documents-page {
    font-family: var(--font-sans);
    color: var(--gray-800);
    line-height: 1.6;
    background: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

.virtual-documents-page *,
.virtual-documents-page *::before,
.virtual-documents-page *::after {
    box-sizing: border-box;
}

/* ============================================
   SKIP LINK - ACCESIBILIDAD
   ISO 25010: Accesibilidad
   ============================================ */
.skip-to-content {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-3) var(--space-6);
    background: var(--primary);
    color: var(--white);
    font-weight: 600;
    border-radius: var(--radius-md);
    z-index: 9999;
    transition: top var(--duration-fast) var(--ease-smooth);
    text-decoration: none;
}

.skip-to-content:focus {
    top: var(--space-4);
}

/* ============================================
   HERO HEADER - BANNER SUPERIOR
   ISO 25010: Reconocimiento de adecuación
   ============================================ */
.documents-hero {
    position: relative;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    padding: var(--space-16) 0 var(--space-20);
    overflow: hidden;
}

.documents-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.documents-hero::after {
    content: '';
    position: absolute;
    bottom: -50px;
    left: 0;
    right: 0;
    height: 100px;
    background: var(--gray-50);
    border-radius: 50% 50% 0 0 / 100% 100% 0 0;
}

.documents-hero__container {
    position: relative;
    z-index: 2;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    text-align: center;
}

.documents-hero__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
    margin-bottom: var(--space-6);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.documents-hero__icon i {
    font-size: 2.5rem;
    color: var(--white);
}

.documents-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.875rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-4);
}

.documents-hero__eyebrow::before,
.documents-hero__eyebrow::after {
    content: '';
    width: 30px;
    height: 2px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 1px;
}

.documents-hero__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
    margin: 0 0 var(--space-4);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.documents-hero__title span {
    display: block;
    font-size: 0.5em;
    font-weight: 500;
    opacity: 0.9;
    margin-top: var(--space-2);
}

.documents-hero__description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ============================================
   BREADCRUMB - NAVEGACIÓN
   ISO 25010: Operabilidad
   ============================================ */
.documents-breadcrumb {
    position: relative;
    z-index: 5;
    max-width: var(--container-max);
    margin: calc(var(--space-8) * -1) auto var(--space-8);
    padding: 0 var(--container-padding);
}

.documents-breadcrumb__wrapper {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-4) var(--space-6);
    box-shadow: var(--shadow-lg);
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
}

.documents-breadcrumb__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-600);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-smooth);
}

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

.documents-breadcrumb__link i {
    font-size: 1rem;
}

.documents-breadcrumb__separator {
    color: var(--gray-300);
    font-size: 0.75rem;
}

.documents-breadcrumb__current {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--primary);
}

.documents-breadcrumb__current i {
    font-size: 0.875rem;
}

/* ============================================
   MAIN CONTENT SECTION
   ISO 25010: Usabilidad - Interfaz clara
   ============================================ */
.documents-content {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding) var(--space-20);
}

/* ============================================
   STATISTICS CARDS - TARJETAS ESTADÍSTICAS
   ISO 25010: Aprendizaje y Estética
   ============================================ */
.documents-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-10);
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--gray-100);
    transition: all var(--duration-normal) var(--ease-smooth);
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-50);
}

.stat-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.stat-card__icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.stat-card__icon--secondary {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
}

.stat-card__icon--accent {
    background: linear-gradient(135deg, var(--success) 0%, var(--success-dark) 100%);
}

.stat-card__content h3 {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 var(--space-1);
}

.stat-card__number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--gray-900);
    margin: 0 0 var(--space-1);
    line-height: 1;
}

.stat-card__label {
    font-size: 0.8125rem;
    color: var(--gray-500);
}

/* ============================================
   FILTERS SECTION - SECCIÓN DE FILTROS
   ISO 25010: Eficiencia y Operabilidad
   ============================================ */
.documents-filters {
    margin-bottom: var(--space-10);
}

.filters-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--gray-100);
}

.filters-card__header {
    text-align: center;
    margin-bottom: var(--space-6);
}

.filters-card__title-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
}

.filters-card__title-group i {
    font-size: 1.25rem;
    color: var(--primary);
}

.filters-card__title {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
}

.filters-card__subtitle {
    font-size: 0.9375rem;
    color: var(--gray-500);
    margin: 0;
}

.filters-form__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr auto;
    gap: var(--space-5);
    align-items: end;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group--search {
    grid-column: span 1;
}

.form-group--actions {
    display: flex;
    flex-direction: row;
    gap: var(--space-3);
    align-items: flex-end;
}

.form-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--space-2);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-label i {
    color: var(--primary);
    font-size: 0.75rem;
}

.form-input-wrapper {
    position: relative;
}

.form-input-wrapper .form-input {
    padding-right: 3rem;
}

.form-input-icon {
    position: absolute;
    right: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
}

.form-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: 1rem;
    font-family: var(--font-sans);
    color: var(--gray-800);
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    transition: all var(--duration-fast) var(--ease-smooth);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-50);
}

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

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-help {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: var(--space-1);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: var(--font-sans);
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-smooth);
    white-space: nowrap;
}

.btn--primary {
    color: var(--white);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

.btn--outline {
    color: var(--gray-600);
    background: transparent;
    border: 2px solid var(--gray-300);
}

.btn--outline:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: var(--primary-50);
}

/* ============================================
   RESULTS SECTION - SECCIÓN DE RESULTADOS
   ISO 25010: Eficiencia de uso
   ============================================ */
.documents-results {
    margin-bottom: var(--space-10);
}

.results-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-100);
}

.results-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-4);
    padding: var(--space-6) var(--space-8);
    background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
    border-bottom: 3px solid var(--primary);
}

.results-card__title-group {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.results-card__title-group i {
    color: var(--primary-light);
    font-size: 1.25rem;
}

.results-card__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin: 0;
}

.results-card__count {
    display: inline-flex;
    align-items: center;
    background: var(--primary);
    color: var(--white);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
}

.results-card__filters {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.filters-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

.filter-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--primary);
    color: var(--white);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.filter-tag--category {
    background: var(--secondary);
}

.filter-tag--year {
    background: var(--success);
}

.filter-tag i {
    font-size: 0.6875rem;
}

.results-card__info {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    font-size: 0.875rem;
    color: var(--gray-600);
}

.results-card__info i {
    color: var(--primary);
}

/* ============================================
   TABLE STYLES - ESTILOS DE TABLA
   ISO 25010: Eficiencia y Operabilidad
   ============================================ */
.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.documents-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 900px;
}

.documents-table__head {
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-50) 100%);
}

.documents-table__head th {
    padding: var(--space-4) var(--space-5);
    text-align: left;
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--gray-700);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--gray-200);
    white-space: nowrap;
}

.documents-table__head th i {
    color: var(--primary);
    margin-right: var(--space-2);
}

.col-document { width: 25%; }
.col-description { width: 28%; }
.col-category { width: 12%; text-align: center; }
.col-year { width: 8%; text-align: center; }
.col-date { width: 12%; }
.col-actions { width: 15%; text-align: center; }

.documents-table__body .document-row {
    border-bottom: 1px solid var(--gray-100);
    transition: all var(--duration-fast) var(--ease-smooth);
    opacity: 0;
    transform: translateY(10px);
}

.documents-table__body .document-row.animate-in {
    opacity: 1;
    transform: translateY(0);
    animation: fadeInRow 0.4s var(--ease-out) forwards;
    animation-delay: var(--animation-delay, 0s);
}

@keyframes fadeInRow {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.documents-table__body tr:hover {
    background: var(--primary-50);
}

.documents-table__body td {
    padding: var(--space-5);
    vertical-align: top;
}

/* Document Info Cell */
.document-info__title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0 0 var(--space-2);
    line-height: 1.4;
}

.document-info__sumilla {
    font-size: 0.8125rem;
    color: var(--gray-600);
    margin: 0 0 var(--space-2);
    line-height: 1.5;
}

.document-info__meta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: 0.75rem;
    color: var(--gray-500);
}

.document-info__meta i {
    color: var(--primary);
}

/* Description Cell */
.description-text {
    font-size: 0.875rem;
    color: var(--gray-700);
    line-height: 1.6;
    margin: 0 0 var(--space-2);
    text-align: justify;
}

.description-more {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: 0.75rem;
    color: var(--gray-400);
    font-style: italic;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge--primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.badge--success {
    background: linear-gradient(135deg, var(--success) 0%, var(--success-dark) 100%);
    color: var(--white);
}

.badge i {
    font-size: 0.625rem;
}

/* Category & Year Cells */
.cell-category,
.cell-year {
    text-align: center;
    vertical-align: middle;
}

/* Date Display */
.date-display {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.875rem;
    color: var(--gray-600);
}

.date-display i {
    color: var(--primary);
}

/* Actions */
.cell-actions {
    text-align: center;
    vertical-align: middle;
}

.actions-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    align-items: center;
}

.btn-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: 0.8125rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--duration-fast) var(--ease-smooth);
    min-width: 110px;
    border: none;
    cursor: pointer;
}

.btn-action--download {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    color: var(--white);
}

.btn-action--download:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-secondary);
}

.btn-action--view {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.btn-action--view:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

/* ============================================
   MOBILE CARDS VIEW - VISTA DE TARJETAS MÓVIL
   ISO 25010: Accesibilidad en dispositivos móviles
   ============================================ */
.documents-cards {
    display: none;
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-4);
}

.document-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--gray-100);
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-smooth);
    animation: fadeInCard 0.5s var(--ease-out) forwards;
    animation-delay: var(--card-delay, 0s);
    opacity: 0;
}

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

.document-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.document-card__header {
    padding: var(--space-5);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    border-bottom: 1px solid var(--gray-100);
}

.document-card__badges {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.document-card__title {
    font-family: var(--font-display);
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
    line-height: 1.4;
}

.document-card__body {
    padding: var(--space-5);
}

.document-card__sumilla {
    font-size: 0.875rem;
    color: var(--gray-700);
    margin: 0 0 var(--space-3);
    line-height: 1.6;
}

.document-card__description {
    font-size: 0.8125rem;
    color: var(--gray-600);
    margin: 0;
    line-height: 1.5;
}

.document-card__footer {
    padding: var(--space-5);
    background: var(--gray-50);
    border-top: 1px solid var(--gray-100);
}

.document-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.75rem;
    color: var(--gray-500);
}

.meta-item i {
    color: var(--primary);
}

.document-card__actions {
    display: flex;
    gap: var(--space-3);
}

.document-card__actions .btn-action {
    flex: 1;
    justify-content: center;
    padding: var(--space-3) var(--space-4);
    min-height: 44px;
}

/* ============================================
   PAGINATION - PAGINACIÓN
   ISO 25010: Operabilidad
   ============================================ */
.pagination-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-8);
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

.pagination-info {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 500;
}

.pagination-info i {
    color: var(--primary);
}

.pagination {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    list-style: none;
    padding: 0;
    margin: 0;
    flex-wrap: wrap;
    justify-content: center;
}

.pagination__item {
    display: flex;
}

.pagination__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-width: 42px;
    height: 42px;
    padding: 0 var(--space-3);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-600);
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--duration-fast) var(--ease-smooth);
    cursor: pointer;
}

.pagination__link:hover:not(.pagination__link--active):not([aria-disabled="true"]) {
    color: var(--primary);
    border-color: var(--primary);
    background: var(--primary-50);
    transform: translateY(-2px);
}

.pagination__link--active {
    color: var(--white);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-color: var(--primary);
    cursor: default;
    box-shadow: var(--shadow-primary);
}

.pagination__link--nav {
    padding: 0 var(--space-4);
}

.pagination__item--disabled .pagination__link {
    color: var(--gray-400);
    background: var(--gray-100);
    border-color: var(--gray-200);
    cursor: not-allowed;
}

.pagination__item--ellipsis {
    display: flex;
    align-items: center;
}

.pagination__ellipsis {
    padding: 0 var(--space-2);
    color: var(--gray-400);
    font-weight: 600;
}

.pagination__text {
    display: none;
}

/* ============================================
   EMPTY STATE - ESTADO VACÍO
   ISO 25010: Protección contra errores
   ============================================ */
.empty-state {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--space-16);
    text-align: center;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--gray-100);
}

.empty-state__icon {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-50) 100%);
    border-radius: var(--radius-full);
    margin: 0 auto var(--space-6);
}

.empty-state__icon i {
    font-size: 2.5rem;
    color: var(--gray-400);
}

.empty-state__title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0 0 var(--space-3);
}

.empty-state__text {
    font-size: 1rem;
    color: var(--gray-600);
    margin: 0 0 var(--space-8);
    max-width: 450px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* ============================================
   RESPONSIVE DESIGN
   ISO 25010: Accesibilidad en todos los dispositivos
   ============================================ */
@media (max-width: 1200px) {
    .filters-form__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-4);
    }
    
    .form-group--search {
        grid-column: span 2;
    }
    
    .form-group--actions {
        grid-column: span 2;
        justify-content: center;
    }
}

@media (max-width: 1024px) {
    .documents-stats {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .results-card__header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .pagination__text {
        display: inline;
    }
}

@media (max-width: 768px) {
    :root {
        --space-16: 3rem;
        --space-20: 4rem;
        --container-padding: 1.25rem;
    }
    
    .documents-hero {
        padding: var(--space-12) 0 var(--space-16);
    }
    
    .documents-hero__icon {
        width: 64px;
        height: 64px;
    }
    
    .documents-hero__icon i {
        font-size: 2rem;
    }
    
    .documents-hero__title {
        font-size: 1.75rem;
    }
    
    .documents-hero__description {
        font-size: 1rem;
    }
    
    .documents-breadcrumb__wrapper {
        padding: var(--space-3) var(--space-4);
        flex-wrap: wrap;
    }
    
    .filters-card {
        padding: var(--space-5);
        border-radius: var(--radius-xl);
    }
    
    .filters-form__grid {
        grid-template-columns: 1fr;
    }
    
    .form-group--search,
    .form-group--actions {
        grid-column: span 1;
    }
    
    .form-group--actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    /* Hide table, show cards on mobile */
    .table-wrapper {
        display: none;
    }
    
    .documents-cards {
        display: flex;
    }
    
    .results-card {
        border-radius: var(--radius-xl);
    }
    
    .results-card__header {
        padding: var(--space-4) var(--space-5);
    }
    
    .results-card__title {
        font-size: 1.0625rem;
    }
    
    .results-card__info {
        padding: var(--space-3) var(--space-5);
    }
    
    .pagination-wrapper {
        padding: var(--space-5);
    }
    
    .pagination__link {
        min-width: 38px;
        height: 38px;
        font-size: 0.8125rem;
    }
    
    .stat-card {
        flex-direction: row;
        align-items: center;
    }
    
    .stat-card__icon {
        width: 48px;
        height: 48px;
    }
    
    .stat-card__icon i {
        font-size: 1.25rem;
    }
    
    .stat-card__number {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .documents-hero__eyebrow::before,
    .documents-hero__eyebrow::after {
        display: none;
    }
    
    .documents-hero__title {
        font-size: 1.5rem;
    }
    
    .documents-breadcrumb__current span {
        display: none;
    }
    
    .filters-card__title {
        font-size: 1.125rem;
    }
    
    .results-card__count {
        display: none;
    }
    
    .filter-tag {
        font-size: 0.6875rem;
    }
    
    .document-card__header,
    .document-card__body,
    .document-card__footer {
        padding: var(--space-4);
    }
    
    .document-card__title {
        font-size: 1rem;
    }
    
    .document-card__actions {
        flex-direction: column;
    }
    
    .pagination__text {
        display: none;
    }
    
    .pagination__link--nav {
        padding: 0 var(--space-3);
    }
    
    .empty-state {
        padding: var(--space-10);
    }
    
    .empty-state__icon {
        width: 80px;
        height: 80px;
    }
    
    .empty-state__icon i {
        font-size: 2rem;
    }
    
    .empty-state__title {
        font-size: 1.25rem;
    }
}

/* ============================================
   ACCESSIBILITY - ACCESIBILIDAD
   ISO 25010: Accesibilidad
   ============================================ */
.btn:focus,
.btn-action:focus,
.form-input:focus,
.pagination__link:focus,
.documents-breadcrumb__link:focus {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
}

.skip-to-content:focus {
    outline: 3px solid var(--white);
    outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .documents-hero__icon {
        animation: none;
    }
    
    .document-row,
    .document-card {
        opacity: 1;
        transform: none;
        animation: none;
    }
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .stat-card,
    .filters-card,
    .results-card,
    .document-card,
    .empty-state {
        border-width: 2px;
        border-color: var(--gray-800);
    }
    
    .documents-hero {
        background: var(--gray-900);
    }
    
    .btn-action,
    .badge {
        border: 2px solid currentColor;
    }
    
    .documents-table__head th,
    .documents-table__body td {
        border: 1px solid var(--gray-900);
    }
}

/* Touch Devices */
@media (hover: none) and (pointer: coarse) {
    .btn-action {
        min-height: 44px;
        padding: var(--space-3) var(--space-4);
    }
    
    .pagination__link {
        min-height: 44px;
        min-width: 44px;
    }
    
    .documents-table__body tr:hover,
    .stat-card:hover,
    .document-card:hover {
        transform: none;
        background: transparent;
    }
}

/* Print Styles */
@media print {
    .documents-hero,
    .documents-breadcrumb,
    .documents-filters,
    .pagination-wrapper,
    .btn-action,
    .skip-to-content {
        display: none !important;
    }
    
    .documents-stats,
    .results-card,
    .documents-table {
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .virtual-documents-page {
        background: #fff;
    }
}