/**
 * Estilos específicos para simuladores
 */

/* ========================================
   Layout de Simulador
   ======================================== */
.simulator-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.simulator-controls {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: calc(var(--header-height) + var(--spacing-lg));
}

.simulator-output {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* ========================================
   Sliders
   ======================================== */
.slider-group {
    margin-bottom: var(--spacing-lg);
}

.slider-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--color-dark);
}

.slider-group label span {
    color: var(--color-primary);
    font-weight: 600;
}

.slider {
    -webkit-appearance: none;
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--color-light);
    outline: none;
    transition: background var(--transition-fast);
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.slider::-webkit-slider-thumb:hover {
    background: var(--color-primary-light);
    transform: scale(1.1);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    border: none;
}

/* Slider con valores min/max */
.slider-range {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-sm);
    color: var(--color-gray);
    margin-top: var(--spacing-xs);
}

/* ========================================
   Gráficos
   ======================================== */
.chart-container {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.chart-container h3 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.chart-wrapper {
    position: relative;
    height: 400px;
}

/* ========================================
   Métricas
   ======================================== */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.metric-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.metric-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}

.metric-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
    margin-top: var(--spacing-xs);
}

.metric-card.highlight {
    border: 2px solid var(--color-accent);
}

.metric-card.highlight .metric-value {
    color: var(--color-accent);
}

/* ========================================
   Tabla de Simulación
   ======================================== */
.simulation-table-container {
    background: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

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

.simulation-table th,
.simulation-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: right;
    border-bottom: 1px solid var(--color-light);
}

.simulation-table th {
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: 600;
    position: sticky;
    top: 0;
}

.simulation-table th:first-child,
.simulation-table td:first-child {
    text-align: center;
}

.simulation-table tbody tr:hover {
    background-color: rgba(0, 52, 90, 0.05);
}

/* Cobertura con colores */
.coverage-high {
    background-color: rgba(40, 167, 69, 0.2) !important;
    color: #155724;
}

.coverage-medium {
    background-color: rgba(255, 193, 7, 0.3) !important;
    color: #856404;
}

.coverage-low {
    background-color: rgba(220, 53, 69, 0.2) !important;
    color: #721c24;
}

/* Ruptura de stock */
.stockout {
    background-color: var(--color-danger) !important;
    color: var(--color-white) !important;
    font-weight: 600;
}

/* ========================================
   Panel de Parámetros
   ======================================== */
.params-section {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-light);
}

.params-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.params-section h4 {
    font-size: var(--font-size-base);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Input numérico */
.number-input-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.number-input-group label {
    flex: 1;
    font-size: var(--font-size-sm);
}

.number-input-group input {
    width: 80px;
    padding: var(--spacing-xs) var(--spacing-sm);
    text-align: right;
    border: 1px solid #ddd;
    border-radius: var(--border-radius-sm);
}

.number-input-group input:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* ========================================
   Botones de Control
   ======================================== */
.control-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.btn-simulate {
    flex: 1;
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
}

.btn-reset {
    padding: var(--spacing-md);
}

/* ========================================
   EOQ Específico
   ======================================== */
.eoq-formula {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.eoq-formula .formula {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
}

.eoq-result {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.eoq-result-item {
    text-align: center;
}

.eoq-result-item .value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
}

.eoq-result-item .label {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

/* Rango de sensibilidad */
.sensitivity-range {
    background: var(--color-light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-md);
}

.sensitivity-bar {
    height: 20px;
    background: linear-gradient(to right,
        var(--coverage-medium) 0%,
        var(--coverage-high) 20%,
        var(--coverage-high) 80%,
        var(--coverage-medium) 100%);
    border-radius: 10px;
    position: relative;
    margin: var(--spacing-md) 0;
}

.sensitivity-marker {
    position: absolute;
    top: -5px;
    width: 4px;
    height: 30px;
    background: var(--color-accent);
    transform: translateX(-50%);
}

/* ========================================
   Bullwhip Específico
   ======================================== */
.supply-chain {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
}

.chain-node {
    text-align: center;
    flex: 1;
}

.chain-node-icon {
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto var(--spacing-sm);
}

.chain-node-name {
    font-weight: 600;
    color: var(--color-dark);
}

.chain-node-variance {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
    margin-top: var(--spacing-xs);
}

.chain-arrow {
    color: var(--color-accent);
    font-size: 1.5rem;
}

/* Amplificación */
.amplification-display {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.amplification-item {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.amplification-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.amplification-value.warning {
    color: var(--color-warning);
}

.amplification-value.danger {
    color: var(--color-danger);
}

/* ========================================
   Teoría de Colas Específico
   ======================================== */
.references-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-sm);
    max-height: 400px;
    overflow-y: auto;
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--border-radius);
}

.reference-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm);
    background: var(--color-light);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
}

.reference-item.has-stock {
    border-left: 3px solid var(--coverage-high);
}

.reference-item.no-stock {
    border-left: 3px solid var(--coverage-low);
}

/* ========================================
   Estampaciones Específico
   ======================================== */
.product-matrix {
    overflow-x: auto;
}

.product-matrix table {
    min-width: 800px;
}

.product-cell {
    min-width: 60px;
    text-align: center !important;
}

.product-header {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    padding: var(--spacing-md) var(--spacing-sm) !important;
}

/* Restricciones */
.constraints-panel {
    background: var(--color-light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
}

.constraint-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.constraint-item:last-child {
    border-bottom: none;
}

.constraint-bar {
    width: 100px;
    height: 8px;
    background: #ddd;
    border-radius: 4px;
    overflow: hidden;
}

.constraint-fill {
    height: 100%;
    border-radius: 4px;
    transition: width var(--transition-normal);
}

.constraint-fill.ok {
    background: var(--coverage-high);
}

.constraint-fill.warning {
    background: var(--coverage-medium);
}

.constraint-fill.exceeded {
    background: var(--coverage-low);
}

/* ========================================
   Leyenda
   ======================================== */
.legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-light);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-md);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 2px;
}

/* ========================================
   Tooltips de datos
   ======================================== */
.data-tooltip {
    position: absolute;
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    pointer-events: none;
    z-index: 1000;
    white-space: nowrap;
}

/* ========================================
   Estados de carga
   ======================================== */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    color: var(--color-gray);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-light);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ========================================
   Responsive para simuladores
   ======================================== */
@media (max-width: 1024px) {
    .simulator-container {
        grid-template-columns: 1fr;
    }

    .simulator-controls {
        position: static;
    }
}

@media (max-width: 768px) {
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .supply-chain {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .chain-arrow {
        transform: rotate(90deg);
    }

    .amplification-display {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ========================================
   Estilos para Periodo Óptimo
   ======================================== */

/* Radio buttons para unidad de tiempo */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: background var(--transition-fast);
}

.radio-label:hover {
    background: var(--color-light);
}

.radio-label input[type="radio"] {
    margin-right: var(--spacing-sm);
    cursor: pointer;
}

/* Tarjeta destacada para potencias de 2 */
.card-highlight {
    border: 2px solid var(--color-accent);
    box-shadow: 0 4px 12px rgba(171, 42, 62, 0.1);
}

/* Grid de 3 columnas */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.highlight-box {
    background: var(--color-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
}

.highlight-box i {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.highlight-box h5 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.highlight-box p {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
    margin: 0;
}

@media (max-width: 768px) {
    .grid-3 {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   SIMULADOR ELSP - Estilos específicos
   ============================================ */

/* Configuración de productos */
.products-section {
    max-height: 500px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.product-config {
    background: var(--color-light);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.product-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.product-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    color: white;
    font-weight: 700;
    font-size: 1rem;
}

.product-params {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.param-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.param-row label {
    min-width: 120px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin: 0;
}

.product-input {
    flex: 1;
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
}

.product-select {
    flex: 1;
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    background: white;
    cursor: pointer;
}

.param-unit {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
    min-width: 60px;
}

/* Métricas con estado */
.metric-success {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    border-color: #4caf50;
}

.metric-success .metric-value {
    color: #2e7d32;
}

.metric-error {
    background: linear-gradient(135deg, #ffebee 0%, #ffcdd2 100%);
    border-color: #f44336;
}

.metric-error .metric-value {
    color: #c62828;
}

/* Diagrama de Gantt */
.gantt-container {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    overflow-x: auto;
}

.gantt-grid {
    display: table;
    width: 100%;
    min-width: 800px;
}

.gantt-row {
    display: table-row;
}

.gantt-row.gantt-header {
    font-weight: 600;
    background: var(--color-light);
}

.gantt-label {
    display: table-cell;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    min-width: 100px;
    vertical-align: middle;
}

.gantt-cell {
    display: table-cell;
    padding: var(--spacing-xs);
    border: 1px solid var(--color-border);
    min-width: 50px;
    height: 50px;
    vertical-align: middle;
    text-align: center;
    position: relative;
}

.gantt-cell.week-header {
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.gantt-cell.conflict-week {
    background: #fff9c4;
}

.gantt-cell.producing {
    opacity: 0.9;
    cursor: pointer;
    transition: opacity 0.2s;
}

.gantt-cell.producing:hover {
    opacity: 1;
}

.production-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 2px;
}

/* Estilos responsive para ELSP */
@media (max-width: 1024px) {
    .param-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .param-row label {
        min-width: auto;
    }

    .product-input,
    .product-select {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .products-section {
        max-height: none;
    }

    .gantt-container {
        font-size: var(--font-size-sm);
    }

    .gantt-label {
        min-width: 60px;
    }

    .gantt-cell {
        min-width: 40px;
        height: 40px;
    }
}