/* ========================================
   SIMULATOR STYLES
   Dedicated styles for the showcase simulator
   ======================================== */

.simulator-container {
    max-width: 900px;
    margin: 0 auto;
}

.simulator-form {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-xl);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

/* Formulario colapsado tras calcular (solo móvil) */
.form-collapsed-summary {
    display: none;
}

@media (max-width: 768px) {

    .simulator-form.collapsed>h2,
    .simulator-form.collapsed>form {
        display: none;
    }

    .simulator-form.collapsed .form-collapsed-summary {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .form-collapsed-text {
        width: 100%;
        font-weight: 600;
        color: var(--color-text);
        font-size: var(--font-size-base);
        line-height: 1.35;
    }

    .form-edit-btn {
        align-self: flex-start;
        padding: 8px 16px;
        background: var(--color-primary);
        color: white;
        border: none;
        border-radius: var(--border-radius);
        font-weight: 600;
        font-size: var(--font-size-sm);
        cursor: pointer;
        min-height: 40px;
        white-space: nowrap;
    }
}

/* Botones de navegación del calculador */
.calculator-nav-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.calculator-nav-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    background: rgba(0, 102, 255);
    border: 1px solid rgba(255, 255, 255, );
    border-radius: var(--border-radius);
    color: white;
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.calculator-nav-btn:hover {
    background: rgba(0, 82, 204);
    border-color: rgba(0, 102, 255, 0.3);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}



.simulator-results {
    background: var(--color-background-alt);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-xl);
    display: none;
}

.simulator-results.active {
    display: block;
    animation: fadeInUp 0.5s ease-out;
}

.results-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

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

.result-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.result-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Resumen de resultado en una sola línea */
.results-summary-line {
    text-align: center;
    margin: 0 0 var(--spacing-md);
    font-size: var(--font-size-base);
    color: var(--color-text-light);
}

.results-summary-line strong {
    color: var(--color-primary);
    font-weight: 700;
}

/* Vista previa de la cuadrícula */
.grid-preview-container {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
}

.grid-preview-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-align: center;
    color: var(--color-secondary);
}

.grid-wrapper {
    background: linear-gradient(135deg, #e8e8e8 0%, #d0d0d0 100%);
    border-radius: var(--border-radius);
    padding: 20px;
    overflow: hidden;
    /* Sin scroll - todo debe caber en el contenedor */
    /* Relación de aspecto 16:9 para coincidir con fotos típicas */
    aspect-ratio: 16 / 9;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    /* Crear contexto de apilamiento para z-index */
}

.showcase-grid {
    display: grid;
    gap: 8px;
    margin: 0 auto;
    width: fit-content;
    justify-content: center;
    /* Contenedor transparente - sin caja anidada */
    background: transparent;
    border: none;
    padding: 0;
}

.frame-item {
    background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
    border: 3px solid #fff;
    border-radius: 4px;
    box-shadow:
        0 0 15px rgba(255, 255, 255, 0.8),
        0 0 30px rgba(255, 255, 255, 0.4),
        inset 0 0 10px rgba(255, 255, 255, 0.3),
        inset 0 0 0 4px #999;
    /* Marco gris interior más fino */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: #666;
    font-weight: 500;
    position: relative;
    overflow: hidden;
    /* Imagen de fondo - se aplicará dinámicamente según orientación */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-origin: content-box;
    /* La imagen respeta el padding */
    padding: 4px;
    /* Espacio para que la imagen no se tape con el marco */
    transition: all 0.3s ease;
    cursor: pointer;
    z-index: 2;
    /* Por encima de los cables (z:1) */
}

/* Overlay semi-transparente para mantener efecto luminoso */
.frame-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.4) 0%, rgba(240, 240, 240, 0.3) 100%);
    pointer-events: none;
    z-index: 1;
}

/* Texto del número de carpeta sobre el overlay - OCULTO ya que ahora tenemos logos */
.frame-item::after {
    content: attr(data-label);
    position: absolute;
    bottom: 4px;
    right: 6px;
    font-size: 10px;
    color: #666;
    font-weight: 500;
    z-index: 2;
    display: none;
    /* Ocultar el label */
}

/* Modo noche: reducir overlay para ver mejor las imágenes */
.grid-wrapper.night-mode .frame-item::before {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.18) 0%, rgba(240, 240, 240, 0.12) 100%);
}

/* Modo noche: hacer el label más visible */
.grid-wrapper.night-mode .frame-item::after {
    color: #fff;
    text-shadow: 0 0 3px rgba(0, 0, 0, 0.8);
}

/* ========================================
   SISTEMA DE SUSPENSIÓN
   ======================================== */

/* Contenedor de columna con cables */
.simulator-column {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
    position: relative;
    /* Para posicionar cables relativos a la columna */
}

/* Cable vertical izquierdo (distancia fija desde borde izquierdo) */
.simulator-column::before {
    content: '';
    position: absolute;
    left: 50%;
    /* Centrar en la columna */
    transform: translateX(calc(-50% - var(--cable-offset-from-center, 0px)));
    /* Desplazar desde el centro */
    top: 0;
    /* Desde el inicio del contenedor */
    bottom: -100px;
    /* Hasta abajo del contenedor */
    width: var(--cable-width, 1px);
    background: linear-gradient(90deg, #999 0%, #bbb 50%, #999 100%);
    /* Gris claro */
    box-shadow: 1px 0 2px rgba(0, 0, 0, 0.2);
    z-index: 1;
    /* Por encima del fondo, detrás de las carpetas */
    pointer-events: none;
}

/* Cable vertical derecho (distancia fija desde borde derecho) */
.simulator-column::after {
    content: '';
    position: absolute;
    left: 50%;
    /* Centrar en la columna */
    transform: translateX(calc(-50% + var(--cable-offset-from-center, 0px)));
    /* Desplazar desde el centro */
    top: 0;
    /* Desde el inicio del contenedor */
    bottom: -100px;
    width: var(--cable-width, 1px);
    background: linear-gradient(90deg, #999 0%, #bbb 50%, #999 100%);
    /* Gris claro */
    box-shadow: 1px 0 2px rgba(0, 0, 0, 0.2);
    z-index: 1;
    /* Por encima del fondo, detrás de las carpetas */
    pointer-events: none;
}

.frame-item:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px 3px rgba(255, 255, 255, 1), 0 4px 8px rgba(0, 0, 0, 0.3);
    z-index: 10;
}

/* Estado deshabilitado (apagado) - Contraste mejorado */
.frame-item.is-disabled {
    background: rgba(0, 0, 0, 0.1);
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.1);
    opacity: 0.4;
    transform: scale(0.95);
    cursor: pointer;
}

.frame-item.is-disabled:hover {
    opacity: 0.5;
    transform: scale(0.97);
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.15);
}

/* Margin indicators */
.margin-info {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text-lighter);
    padding: 0 var(--spacing-sm);
}

.simulator-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Info box */
.simulator-info {
    background: #e3f2fd;
    border-left: 4px solid var(--color-primary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
}

.simulator-info h4 {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.simulator-info p {
    color: var(--color-text);
    margin-bottom: 0;
    font-size: var(--font-size-sm);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--color-text-light);
}

.empty-state-icon {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-md);
    opacity: 0.3;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .simulator-form {
        padding: var(--spacing-md);
    }

    /* Reducir padding horizontal de las cajas anidadas para que el preview
       aproveche casi todo el ancho de la pantalla */
    .simulator-results {
        padding: var(--spacing-md) 0.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .results-summary {
        grid-template-columns: 1fr;
    }

    .simulator-actions {
        flex-direction: column;
    }

    .simulator-actions .btn {
        width: 100%;
    }

    .grid-wrapper {
        padding: 8px;
        /* En móvil la proporción la fija simulator.js según el grid; TODO el
           resultado cabe sin scroll, acotado por max-height. */
        height: auto;
        min-height: 200px;
        max-height: 60vh;
        overflow: hidden;
        align-items: center;
    }

    /* Cabecera del preview más compacta para ganar espacio vertical */
    .grid-preview-container {
        padding: var(--spacing-md) 0.5rem;
        margin-bottom: var(--spacing-md);
    }

    .grid-preview-title {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-xs);
    }

    .mobile-edit-help {
        margin-bottom: var(--spacing-xs);
    }

    /* Panel de controles más compacto para que queden cerca del resultado */
    .unified-controls-section {
        margin-bottom: var(--spacing-md);
    }

    .controls-header {
        margin-bottom: var(--spacing-xs);
    }

    .controls-title {
        font-size: var(--font-size-base);
    }

    .controls-description {
        font-size: var(--font-size-xs);
    }

    /* Tamaño mínimo para elementos del grid en móvil */
    .frame-item {
        min-width: 20px;
        min-height: 20px;
        font-size: 0.7rem;
    }

    /* Ajustar gap para pantallas pequeñas */
    .showcase-grid {
        gap: 6px;
    }

    /* Objetivos táctiles cómodos para el stepper de Filas */
    .rows-btn {
        width: 44px;
        height: 44px;
        font-size: 22px;
    }

    .rows-display {
        min-width: 40px;
        font-size: 18px;
    }
}

/* ========================================
   SISTEMA DE COLUMNAS
   ======================================== */

.simulator-column {
    position: relative;
    align-items: center;
}

.column-selector {
    margin-bottom: 8px;
    position: relative;
    /* Necesario para z-index */
    z-index: 3;
    /* Por encima de cables (z:1) y carpetas (z:2) */
}

.column-selector select {
    width: 100%;
    font-size: 0.85rem;
    padding: 6px 8px;
}

.column-empty-placeholder {
    background: rgba(0, 0, 0, 0.05);
    border: 2px dashed rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100px;
    color: var(--color-text-lighter);
    font-style: italic;
}

/* Indicador "editable" sobre cada columna táctil (móvil) */
.column-edit-hint {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin-bottom: 6px;
    padding: 3px 6px;
    font-size: 0.7rem;
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-primary);
    background: rgba(255, 255, 255, 0.92);
    border: 1px dashed var(--color-primary);
    border-radius: var(--border-radius);
    position: relative;
    z-index: 3;
    pointer-events: none;
    white-space: nowrap;
}

/* Ayuda contextual del preview (solo móvil) */
.mobile-edit-help {
    display: none;
}

@media (max-width: 768px) {
    .mobile-edit-help {
        display: block;
        text-align: center;
        font-size: var(--font-size-sm);
        color: var(--color-text-light);
        margin-bottom: var(--spacing-sm);
    }
}

/* ========================================
   BOTTOM SHEET (MOBILE)
   ======================================== */

.bottom-sheet {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.bottom-sheet.active {
    transform: translateY(0);
}

.bottom-sheet-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
}

.bottom-sheet-content {
    background: white;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    padding: var(--spacing-lg);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
    max-height: 70vh;
    overflow-y: auto;
}

.bottom-sheet-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.bottom-sheet-title {
    margin: 0;
    font-size: var(--font-size-lg);
    color: var(--color-primary);
}

.bottom-sheet-close {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    color: var(--color-text-light);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s;
}

.bottom-sheet-close:hover {
    background: var(--color-background-alt);
}

.bottom-sheet-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.bottom-sheet-button {
    min-height: 44px;
    font-size: var(--font-size-base);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    transition: all 0.2s;
}

.bottom-sheet-button.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* ========================================
   SECCIÓN UNIFICADA DE CONTROLES
   ======================================== */

.unified-controls-section {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    color: white;
}

.controls-header {
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

/* Chevron de plegado (solo móvil) */
.controls-chevron {
    display: none;
    transition: transform 0.25s ease;
}

@media (max-width: 768px) {
    .controls-header {
        cursor: pointer;
        user-select: none;
    }

    .controls-chevron {
        display: inline-block;
    }

    .unified-controls-section.collapsed .controls-group {
        display: none;
    }

    .unified-controls-section.collapsed .controls-description {
        display: none;
    }

    .unified-controls-section.collapsed .controls-header {
        margin-bottom: 0;
    }

    .unified-controls-section.collapsed .controls-chevron {
        transform: rotate(-90deg);
    }
}

.controls-title {
    color: white;
    margin: 0 0 4px 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.controls-description {
    margin: 0;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.3;
}

.controls-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-sm) var(--spacing-sm) 8px var(--spacing-sm);
    border-radius: var(--border-radius);
}

.control-item {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    gap: 6px;
    min-height: 70px;
}

.control-label {
    color: white;
    font-weight: 500;
    font-size: var(--font-size-sm);
    margin: 0;
    text-align: center;
    width: 100%;
}

/* Unificar estilos de botones */
.night-mode-toggle-btn,
.reset-btn-centered {
    width: 100%;
    padding: 10px var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    color: white;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    height: 44px;
    box-sizing: border-box;
}

.night-mode-toggle-btn:hover,
.reset-btn-centered:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

/* Botón de subida de imagen (sustituye al input file nativo) */
.upload-input-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.upload-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 44px;
    padding: 10px var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    color: white;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-sizing: border-box;
    text-align: center;
}

.upload-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.control-item:focus-within .upload-btn {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* Mensaje de error inline del formulario */
.simulator-error {
    display: none;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: #fdecea;
    border-left: 4px solid #d93025;
    border-radius: var(--border-radius);
    color: #b3261e;
    font-size: var(--font-size-sm);
}

.simulator-error.active {
    display: block;
}

/* Evitar el auto-zoom de iOS al enfocar campos (requiere >=16px) */
@media (max-width: 768px) {

    #showcase-width,
    #showcase-height,
    #product-selector {
        font-size: 16px;
    }
}

/* Input de archivo */
.form-input-compact {
    width: 100%;
    padding: 10px var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    color: white;
    font-size: var(--font-size-sm);
    height: 44px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
}

/* ========================================
   MOBILE RESPONSIVE STYLES
   ======================================== */

/* Tablet y móvil grande (hasta 768px) en landscape */
@media (max-width: 768px) and (orientation: landscape) {
    .unified-controls-section {
        padding: var(--spacing-xs);
    }

    .controls-group {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-sm);
        padding: var(--spacing-xs);
    }

    /* Controles más compactos para landscape */
    .control-item {
        min-height: 50px;
        gap: 6px;
    }

    .control-label {
        font-size: 0.85rem;
    }

    .night-mode-toggle-btn,
    .reset-btn-centered {
        height: 42px;
        font-size: 0.9rem;
    }

    .form-input-compact {
        height: 42px;
        font-size: 0.9rem;
    }
}

/* Móvil en portrait - panel de controles en 2 columnas (más respirado) */
@media (max-width: 600px) and (orientation: portrait) {

    .controls-group {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm);
    }

    .control-item {
        min-height: 64px;
        gap: 8px;
    }

    /* Botones grandes para touch */
    .night-mode-toggle-btn,
    .reset-btn-centered,
    .upload-btn,
    .form-input-compact {
        height: 48px;
        font-size: 1rem;
    }
}

/* Móvil pequeño en landscape - layout optimizado */
@media (max-width: 480px) and (orientation: landscape) {
    .unified-controls-section {
        padding: 6px;
    }

    .controls-group {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
        padding: 6px;
    }

    .control-item {
        min-height: 45px;
        gap: 4px;
    }

    .control-label {
        font-size: 0.8rem;
    }

    .night-mode-toggle-btn,
    .reset-btn-centered,
    .form-input-compact {
        height: 40px;
        font-size: 0.85rem;
        padding: 8px;
    }

    .rows-btn {
        min-width: 36px;
        min-height: 36px;
        font-size: 1rem;
    }

    .rows-display {
        font-size: 0.95rem;
        min-width: 40px;
    }
}

/* Sliders */
.form-range-compact {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
    outline: none;
}

/* Fila de controles de imagen (Horizontal, Vertical, Zoom en una sola linea,
   debajo de los botones). Oculta hasta que se sube una imagen. */
.image-controls-row {
    grid-column: 1 / -1;
    display: none;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.image-controls-row.visible {
    display: grid;
}

.image-controls-row .control-item {
    min-height: auto;
}

@media (max-width: 600px) {
    .image-controls-row {
        grid-template-columns: 1fr;
    }
}

/* Estilos para control de filas con botones */
.rows-control-wrapper {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.rows-control-buttons {
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
}

.rows-btn {
    width: 28px;
    height: 28px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 4px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.rows-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.rows-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    background: rgba(0, 0, 0, 0.3);
    border-color: rgba(0, 0, 0, 0.3);
}

.rows-display {
    min-width: 30px;
    text-align: center;
    font-size: 16px;
    font-weight: bold;
    color: #fff;
}

.control-item-with-reset {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
}

.compact-label {
    font-size: 0.75rem;
    /* Más pequeño */
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2px;
    /* Reducido */
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin: 0;
    cursor: pointer;
}

.night-mode-toggle-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 8px 16px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.night-mode-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

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

.night-mode-toggle-btn:focus {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

.form-input-compact {
    font-size: var(--font-size-sm);
    padding: 6px 8px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.form-input-compact::file-selector-button {
    background: var(--color-primary);
    color: white;
    border: none;
    padding: 4px 8px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: var(--font-size-sm);
    margin-right: 8px;
}

.form-range-compact {
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.2);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.form-range-compact::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.form-range-compact::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Responsive: stack en móvil */
@media (max-width: 768px) {
    .controls-row {
        grid-template-columns: 1fr;
    }

    .image-controls-compact {
        grid-template-columns: 1fr;
    }
}

/* Desktop: asegurar que los controles de imagen estén en una línea */
@media (min-width: 769px) {
    .image-controls-compact {
        grid-template-columns: repeat(4, 1fr) !important;
        gap: var(--spacing-md);
    }
}

/* Mantener estilos del grid wrapper con night mode */

.grid-wrapper.night-mode {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.grid-wrapper.night-mode::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
    border-radius: var(--border-radius);
}

.grid-wrapper.night-mode .showcase-grid {
    position: relative;
    z-index: 2;
}

.grid-wrapper.night-mode .frame-item {
    filter: brightness(1.2);
    box-shadow: 0 0 20px 3px rgba(255, 255, 255, 1), 0 4px 8px rgba(0, 0, 0, 0.5);
}

/* ========================================
   DATOS TÉCNICOS
   ======================================== */

.technical-data {
    background: var(--color-background-alt);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    margin-top: var(--spacing-lg);
    border: 2px solid var(--color-primary);
}

.technical-data summary {
    cursor: pointer;
    font-weight: 600;
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    user-select: none;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: background 0.2s;
}

.technical-data summary:hover {
    background: rgba(0, 0, 0, 0.05);
}

.technical-data summary:focus {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

.tech-specs {
    padding: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

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

.tech-spec-row:last-of-type {
    border-bottom: none;
}

.tech-label {
    font-weight: 500;
    color: var(--color-text);
}

.tech-value {
    font-weight: 700;
    color: var(--color-primary);
    font-size: var(--font-size-lg);
}

.tech-breakdown {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--border-radius);
}

.tech-breakdown h4 {
    font-size: var(--font-size-base);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.tech-breakdown p {
    margin: var(--spacing-xs) 0;
    font-size: var(--font-size-sm);
}

.tech-note {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    border-radius: var(--border-radius);
}

.tech-note p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: #856404;
}

/* ========================================
   ACCESIBILIDAD
   ======================================== */

.column-selector select:focus,
.bottom-sheet-button:focus,
.form-range:focus,
input[type="file"]:focus,
input[type="checkbox"]:focus {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* Mejorar visibilidad de focus en elementos interactivos */
button:focus-visible,
a:focus-visible,
select:focus-visible,
input:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}