:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3d3d3d;
    --text-primary: #e6e6e6;
    --text-secondary: #b3b3b3;
    --border-color: #404040;
    --accent-color: #0d6efd;
    --success-color: #198754;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #0dcaf0;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
    padding: 20px 0;
}

/* Cards */
.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.card-header {
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

/* Tables */
.table {
    color: var(--text-primary);
    --bs-table-bg: var(--bg-secondary);
    --bs-table-border-color: var(--border-color);
}

.table-dark {
    --bs-table-bg: var(--bg-tertiary);
    --bs-table-color: var(--text-primary);
}

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

/* Forms */
.form-control, .form-select {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.form-control:focus, .form-select:focus {
    background-color: var(--bg-secondary);
    border-color: var(--accent-color);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.form-label {
    color: var(--text-primary);
}

.form-text {
    color: var(--text-secondary) !important;
}

/* Inputs específicos */
.search-input {
    background-color: var(--bg-tertiary) !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary) !important;
}

.search-input::placeholder {
    color: var(--text-secondary) !important;
}

/* Breadcrumbs */
.breadcrumb {
    background-color: var(--bg-secondary);
    border-radius: 0.375rem;
    padding: 0.75rem 1rem;
}

.breadcrumb-item.active {
    color: var(--text-secondary);
}

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

.breadcrumb-item a:hover {
    color: var(--info-color);
}

/* List groups */
.list-group-item {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.list-group-item:hover {
    background-color: var(--bg-tertiary);
}

/* Alerts */
.alert {
    border: 1px solid transparent;
}

.alert-info {
    background-color: rgba(13, 202, 240, 0.1);
    border-color: var(--info-color);
    color: var(--text-primary);
}

.alert-success {
    background-color: rgba(25, 135, 84, 0.1);
    border-color: var(--success-color);
    color: var(--text-primary);
}

.alert-warning {
    background-color: rgba(255, 193, 7, 0.1);
    border-color: var(--warning-color);
    color: var(--text-primary);
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    border-color: var(--danger-color);
    color: var(--text-primary);
}

/* Badges */
.badge {
    font-weight: 500;
}

/* Navbar personalizado */
.navbar-brand {
    font-weight: 600;
}

.nav-link {
    color: var(--text-primary) !important;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--info-color) !important;
}

.nav-link.active {
    color: var(--accent-color) !important;
    font-weight: 500;
}

/* Botones */
.btn-outline-light {
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-outline-light:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

/* Cards de requerimientos */
.requirement-card {
    transition: all 0.3s ease;
    border-left: 4px solid var(--accent-color);
}

.requirement-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    border-left-color: var(--info-color);
}

.priority-critical { border-left-color: var(--danger-color); }
.priority-important { border-left-color: var(--warning-color); }
.priority-complementary { border-left-color: var(--text-secondary); }

/* Tareas completadas */
.task-completed {
    text-decoration: line-through;
    opacity: 0.6;
    color: var(--text-secondary);
}

/* JSON Preview */
.json-preview {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Modo de alto contraste para mejor accesibilidad */
@media (prefers-contrast: high) {
    :root {
        --bg-primary: #000000;
        --bg-secondary: #1a1a1a;
        --bg-tertiary: #2d2d2d;
        --text-primary: #ffffff;
        --text-secondary: #cccccc;
        --border-color: #555555;
    }
}

/* Responsividad mejorada */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .navbar-collapse {
        background-color: var(--bg-tertiary);
        padding: 1rem;
        border-radius: 0.375rem;
        margin-top: 0.5rem;
    }
    
    .search-input {
        margin-top: 0.5rem;
    }
}

/* Mejoras para la tabla de requerimientos */
.requirement-card {
    transition: all 0.3s ease;
    border-left: 4px solid var(--accent-color);
}

.requirement-card:hover {
    transform: translateY(-1px);
    background-color: var(--bg-tertiary) !important;
}

.priority-critical { border-left-color: var(--danger-color); }
.priority-important { border-left-color: var(--warning-color); }
.priority-complementary { border-left-color: var(--text-secondary); }

.stats-card {
    transition: transform 0.3s ease;
    border: none;
}

.stats-card:hover {
    transform: translateY(-3px);
}

/* Mejoras para los botones de acción */
.btn-group .btn {
    border-radius: 0.375rem;
    margin: 0 2px;
}

/* Tooltips personalizados */
.tooltip {
    --bs-tooltip-bg: var(--bg-tertiary);
    --bs-tooltip-color: var(--text-primary);
}



/* LOADING */

  :root {
            --primary-color: #0d6efd;
            --secondary-color: #6c757d;
            --success-color: #198754;
            --danger-color: #dc3545;
            --warning-color: #ffc107;
            --info-color: #0dcaf0;
            --dark-color: #212529;
            --light-color: #f8f9fa;
        }

        /* Contenedor principal del loading */
        .loading-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.85);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 9999;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }

        .loading-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        /* Contenido del loading */
        .loading-content {
            text-align: center;
            color: white;
            max-width: 90%;
        }

        /* Spinners animados */
        .spinner {
            width: 50px;
            height: 50px;
            margin: 0 auto 20px;
            position: relative;
        }

        .spinner-dots {
            display: flex;
            justify-content: center;
            gap: 6px;
        }

        .spinner-dots div {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: var(--primary-color);
            animation: bounce 1.4s infinite ease-in-out both;
        }

        .spinner-dots div:nth-child(1) { animation-delay: -0.32s; }
        .spinner-dots div:nth-child(2) { animation-delay: -0.16s; }

        @keyframes bounce {
            0%, 80%, 100% { transform: scale(0); }
            40% { transform: scale(1); }
        }

        .spinner-ring {
            border: 4px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top: 4px solid var(--primary-color);
            width: 50px;
            height: 50px;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .spinner-bars {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 50px;
            gap: 3px;
        }

        .spinner-bars div {
            width: 6px;
            height: 35px;
            background-color: var(--primary-color);
            animation: bars 1.2s infinite ease-in-out;
        }

        .spinner-bars div:nth-child(2) { animation-delay: -1.1s; }
        .spinner-bars div:nth-child(3) { animation-delay: -1.0s; }
        .spinner-bars div:nth-child(4) { animation-delay: -0.9s; }
        .spinner-bars div:nth-child(5) { animation-delay: -0.8s; }

        @keyframes bars {
            0%, 40%, 100% { transform: scaleY(0.4); }
            20% { transform: scaleY(1); }
        }

        /* Texto y progreso */
        .loading-text {
            margin-bottom: 15px;
            font-size: 1.1rem;
        }

        .loading-progress {
            width: 100%;
            max-width: 300px;
            height: 8px;
            background-color: rgba(255, 255, 255, 0.2);
            border-radius: 4px;
            overflow: hidden;
            margin: 0 auto 15px;
        }

        .loading-progress-bar {
            height: 100%;
            background-color: var(--primary-color);
            width: 0%;
            transition: width 0.3s ease;
            border-radius: 4px;
        }

        /* Temas de colores */
        .loading-theme-primary .spinner-dots div,
        .loading-theme-primary .spinner-ring,
        .loading-theme-primary .spinner-bars div,
        .loading-theme-primary .loading-progress-bar {
            background-color: var(--primary-color);
            border-top-color: var(--primary-color);
        }

        .loading-theme-success .spinner-dots div,
        .loading-theme-success .spinner-ring,
        .loading-theme-success .spinner-bars div,
        .loading-theme-success .loading-progress-bar {
            background-color: var(--success-color);
            border-top-color: var(--success-color);
        }

        .loading-theme-warning .spinner-dots div,
        .loading-theme-warning .spinner-ring,
        .loading-theme-warning .spinner-bars div,
        .loading-theme-warning .loading-progress-bar {
            background-color: var(--warning-color);
            border-top-color: var(--warning-color);
        }

        .loading-theme-danger .spinner-dots div,
        .loading-theme-danger .spinner-ring,
        .loading-theme-danger .spinner-bars div,
        .loading-theme-danger .loading-progress-bar {
            background-color: var(--danger-color);
            border-top-color: var(--danger-color);
        }

        /* Tamaños */
        .loading-sm .spinner {
            transform: scale(0.7);
        }

        .loading-lg .spinner {
            transform: scale(1.3);
        }

        /* Para contenido específico (no fullscreen) */
        .loading-container {
            position: relative;
            min-height: 120px;
        }

        .loading-inline {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(255, 255, 255, 0.9);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 10;
            border-radius: 8px;
        }

        .dark-mode .loading-inline {
            background-color: rgba(0, 0, 0, 0.7);
        }

        .spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.task-observations {
    background-color: var(--bg-tertiary);
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    border-left: 3px solid var(--info-color);
}

.task-observations h5 {
    color: var(--info-color);
    margin-bottom: 0.5rem;
}

.task-observations ul {
    margin-bottom: 0;
    padding-left: 1.5rem;
}

.task-observations li {
    margin-bottom: 0.5rem;
    padding: 0.5rem;
    background-color: var(--bg-secondary);
    border-radius: 0.25rem;
}

    .btn-group .btn-sm {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }
    
    .btn-group .btn-sm i {
        margin-right: 0.1rem;
    }
    
    /* Para el botón con texto */
    .btn-group .btn-sm.with-text {
        padding: 0.25rem 0.75rem;
    }
.archivo-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    margin: 0.5rem 0;
    background-color: var(--bg-tertiary);
    border-radius: 0.5rem;
    border-left: 4px solid var(--info-color);
    transition: all 0.3s ease;
}

.archivo-item:hover {
    background-color: var(--bg-secondary);
    transform: translateX(5px);
}

.archivo-info {
    flex: 1;
}

.archivo-nombre {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    word-break: break-word;
}

.archivo-detalles {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.archivo-acciones {
    margin-left: 1rem;
}

.badge-archivo {
    font-size: 0.75rem;
}

.archivo-valido {
    border-left-color: var(--success-color);
    background-color: rgba(var(--success-rgb), 0.1);
}

.archivo-invalido {
    border-left-color: var(--danger-color);
    background-color: rgba(var(--danger-rgb), 0.1);
}

.archivo-error {
    color: var(--danger-color);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

.progress {
    height: 6px;
    margin-top: 0.5rem;
    background-color: var(--bg-secondary);
}

.progress-bar {
    transition: width 0.3s ease;
}

.archivo-eliminar {
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    transition: background-color 0.2s ease;
}

.archivo-eliminar:hover {
    background-color: rgba(var(--danger-rgb), 0.2);
}

  /* Estilos para el loading global */
     .global-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(13, 17, 23, 0.95);
    display: none; /* Oculto por defecto */
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
    pointer-events: all; /* Permitir eventos solo cuando es visible */
}
        
        .loader-content {
            text-align: center;
            color: white;
            max-width: 500px;
            padding: 20px;
        }
        
        .loader-spinner {
            width: 70px;
            height: 70px;
            position: relative;
            margin-bottom: 20px;
        }
        
        .loader-spinner-inner {
            position: absolute;
            width: 100%;
            height: 100%;
            border: 4px solid transparent;
            border-top: 4px solid #0d6efd;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }
        
        .loader-spinner-inner:nth-child(2) {
            border: 4px solid transparent;
            border-bottom: 4px solid #6f42c1;
            animation: spinReverse 1.2s linear infinite;
        }
        
        .loader-progress {
            width: 100%;
            height: 6px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            overflow: hidden;
            margin: 20px 0;
        }
        
        .loader-progress-bar {
            height: 100%;
            width: 0%;
            background: linear-gradient(90deg, #0d6efd, #6f42c1);
            border-radius: 10px;
            transition: width 0.4s ease;
        }
        
        .loader-message {
            margin-top: 15px;
            font-size: 16px;
            opacity: 0.9;
        }
        
        .loader-details {
            margin-top: 10px;
            font-size: 14px;
            opacity: 0.7;
        }
        
        .loader-percentage {
            font-weight: bold;
            margin-top: 10px;
            font-size: 18px;
            color: #0dcaf0;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        @keyframes spinReverse {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(-360deg); }
        }
        
        /* Estilo para elementos que deben ocultarse durante el loading */
        .content-hidden {
            /*opacity: 0.3;*/
            pointer-events: none;
        }
        
        /* Estilo para el botón de demostración */
        .demo-container {
            max-width: 800px;
            margin: 50px auto;
            padding: 30px;
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }
        .global-loader[style*="display: flex"] {
    pointer-events: all; /* Permitir eventos cuando es visible */
}

 /* Estilos para la nueva sección de requerimientos */
        .requirement-card {
            border-radius: 8px;
            transition: all 0.2s ease;
            position: relative;
            overflow: hidden;
            height: 100%;
        }
        .requirement-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
        }
        .requirement-progress {
            height: 8px;
            border-radius: 4px;
            overflow: hidden;
        }
        .requirement-stats {
            display: flex;
            justify-content: space-between;
            margin-top: 10px;
            font-size: 0.85rem;
        }
        .stat-item {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .stat-value {
            font-weight: bold;
            font-size: 1.1rem;
        }
        .stat-label {
            font-size: 0.75rem;
            color: var(--bs-secondary-color);
        }
        .requirement-priority {
            position: absolute;
            top: 15px;
            right: 15px;
        }
        .tasks-mini-list {
            max-height: 150px;
            overflow-y: auto;
            margin-top: 10px;
        }
        .task-mini-item {
            padding: 8px;
            border-radius: 4px;
            margin-bottom: 5px;
            background-color: var(--bs-tertiary-bg);
            font-size: 0.85rem;
        }
        .task-mini-item.completed {
            opacity: 0.7;
            text-decoration: line-through;
        }
        .view-requirements-btn {
            position: relative;
        }
        .requirements-count {
            position: absolute;
            top: -8px;
            right: -8px;
            background: var(--bs-danger);
            color: white;
            border-radius: 50%;
            width: 20px;
            height: 20px;
            font-size: 0.7rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

         /* Estilos para la documentación */
        .doc-badge {
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .doc-badge:hover {
            transform: scale(1.05);
        }
        .doc-preview {
            max-height: 200px;
            overflow-y: auto;
            margin-top: 10px;
        }
        .doc-item {
            display: flex;
            justify-content: between;
            align-items: center;
            padding: 8px;
            border-radius: 4px;
            background-color: var(--bs-tertiary-bg);
            margin-bottom: 5px;
        }
        .doc-icon {
            font-size: 1.2rem;
            margin-right: 10px;
            flex-shrink: 0;
        }
        .doc-info {
            flex-grow: 1;
            min-width: 0;
        }
        .doc-name {
            font-size: 0.85rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .doc-size {
            font-size: 0.75rem;
            color: var(--bs-secondary-color);
        }
        .doc-actions {
            display: flex;
            gap: 5px;
        }
        .add-doc-btn {
            position: relative;
        }
        .doc-count {
            position: absolute;
            top: -5px;
            right: -5px;
            background: var(--bs-info);
            color: white;
            border-radius: 50%;
            width: 18px;
            height: 18px;
            font-size: 0.65rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }