/* =============================================================
   VISTA 1 - Panel de Configuración
   Estilos para la interfaz de selección de marcos, fondos y obras
   ============================================================= */

/* Reset y estilos base */
* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
    background-color: var(--color-white-pure);
    color: var(--color-text-gray);
    font-family: var(--font-sans);
    font-weight: 300;
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--color-soft-gray);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-medium-gray);
}

/* Tipografía */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-serif);
    font-weight: 300;
    color: var(--color-text-gray);
    margin: 0;
    letter-spacing: 0.5px;
}

h1 {
    font-size: 32px;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: 24px;
    margin-bottom: var(--spacing-sm);
}

h3 {
    font-size: 18px;
    margin-bottom: var(--spacing-xs);
}

.text-small {
    font-size: 13px;
    color: var(--color-text-light);
    letter-spacing: 0.3px;
}

.text-muted {
    color: var(--color-text-light);
}

/* Layout principal */
.main-container {
    min-height: 100vh;
    background-color: var(--color-white-pure);
}

.panel-column {
    padding: var(--spacing-lg);
    border-right: var(--border-pearl);
    min-height: 100vh;
}

.panel-column:last-child {
    border-right: none;
}

.panel-header {
    margin-bottom: var(--spacing-lg);
}

.panel-header h2 {
    font-family: var(--font-serif);
    font-weight: 300;
    font-size: 28px;
    color: var(--color-text-gray);
    margin-bottom: var(--spacing-xs);
}

.panel-header .subtitle {
    font-size: 13px;
    color: var(--color-text-light);
    font-weight: 300;
}

/* Tabs minimalistas */
.nav-tabs-minimal {
    border-bottom: var(--border-pearl);
    gap: var(--spacing-md);
}

.nav-tabs-minimal .nav-link {
    border: none;
    background: transparent;
    color: var(--color-text-light);
    font-family: var(--font-sans);
    font-weight: 400;
    font-size: 14px;
    padding: var(--spacing-sm) 0;
    margin-right: var(--spacing-md);
    position: relative;
    transition: var(--transition-smooth);
}

.nav-tabs-minimal .nav-link::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-medium-gray);
    transition: var(--transition-smooth);
}

.nav-tabs-minimal .nav-link:hover {
    color: var(--color-text-gray);
    border: none;
}

.nav-tabs-minimal .nav-link.active {
    color: var(--color-text-gray);
    background: transparent;
    border: none;
}

.nav-tabs-minimal .nav-link.active::after {
    width: 100%;
}

/* Grid de marcos */
.frames-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--spacing-md);
    max-height: calc(100vh - 240px);
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 8px;
    padding-bottom: 20px;
}

/* Tarjeta de marco */
.frame-card {
    background: var(--color-white-pure);
    border: var(--border-pearl);
    border-radius: var(--radius-soft);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
}

.frame-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-subtle);
    border-color: var(--color-medium-gray);
}

.frame-card.selected {
    border: 2px solid var(--color-text-gray);
    background-color: var(--color-champagne);
}

.frame-card .frame-image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    margin-bottom: var(--spacing-sm);
}

.frame-card .frame-name {
    font-family: var(--font-serif);
    font-weight: 300;
    font-size: 15px;
    color: var(--color-text-gray);
    margin-bottom: 4px;
}

.frame-card .frame-code {
    font-size: 12px;
    color: var(--color-text-light);
    letter-spacing: 0.5px;
}

/* Checkbox minimalista */
.check-minimal {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 20px;
    height: 20px;
    border: 1px solid var(--color-soft-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.frame-card:hover .check-minimal {
    border-color: var(--color-medium-gray);
}

.frame-card.selected .check-minimal {
    border-color: var(--color-text-gray);
    background-color: var(--color-text-gray);
}

.check-minimal::after {
    content: '';
    width: 8px;
    height: 8px;
    background-color: var(--color-white-pure);
    border-radius: 50%;
    opacity: 0;
    transition: var(--transition-smooth);
}

.frame-card.selected .check-minimal::after {
    opacity: 1;
}

/* Botón editar perfil 3D */
.edit-profile-btn {
    position: absolute;
    bottom: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 28px;
    height: 28px;
    border: 1px solid var(--color-soft-gray);
    border-radius: 50%;
    background: var(--color-white-pure);
    cursor: pointer;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 5;
    padding: 0;
    line-height: 1;
}

.frame-card:hover .edit-profile-btn {
    opacity: 1;
}

.edit-profile-btn:hover {
    background: var(--color-champagne);
    border-color: var(--color-gold-pale);
    transform: scale(1.15);
}

/* Sección de filtros */
.filters-section {
    margin-bottom: var(--spacing-md);
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Dropdown minimalista */
.dropdown-minimal .btn {
    background: var(--color-white-pure);
    border: var(--border-subtle);
    color: var(--color-text-light);
    font-size: 13px;
    font-weight: 400;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-soft);
    transition: var(--transition-smooth);
}

.dropdown-minimal .btn:hover,
.dropdown-minimal .btn:focus {
    background: var(--color-white-pure);
    border-color: var(--color-medium-gray);
    color: var(--color-text-gray);
    box-shadow: none;
}

.dropdown-minimal .dropdown-menu {
    background: var(--color-white-pure);
    border: none;
    box-shadow: var(--shadow-soft);
    border-radius: var(--radius-soft);
    padding: var(--spacing-xs);
    margin-top: 4px;
}

.dropdown-minimal .dropdown-item {
    font-size: 13px;
    color: var(--color-text-gray);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-soft);
    transition: var(--transition-fast);
}

.dropdown-minimal .dropdown-item:hover {
    background: var(--color-champagne);
    color: var(--color-text-gray);
}

.dropdown-minimal .dropdown-item.active {
    background: var(--color-champagne);
    color: var(--color-text-gray);
}

/* Contador badge */
.count-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 8px;
    background: var(--color-white-pure);
    border: var(--border-subtle);
    border-radius: 12px;
    font-size: 12px;
    font-weight: 400;
    color: var(--color-text-gray);
}

/* Input de búsqueda */
.search-input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-soft-gray);
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    font-size: 14px;
    font-weight: 300;
    color: var(--color-text-gray);
    transition: var(--transition-smooth);
}

.search-input::placeholder {
    color: var(--color-medium-gray);
}

.search-input:focus {
    outline: none;
    border-bottom-color: var(--color-medium-gray);
}

.search-wrapper {
    position: relative;
    margin-bottom: var(--spacing-md);
}

.search-wrapper .search-icon {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-medium-gray);
    width: 20px;
    height: 20px;
}

/* Carrusel de fondos */
.backgrounds-carousel {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    padding-bottom: var(--spacing-sm);
    scroll-behavior: smooth;
}

.background-card {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    border: var(--border-pearl);
    border-radius: var(--radius-soft);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.background-card:hover {
    border-color: var(--color-medium-gray);
}

.background-card.selected {
    border: 2px solid var(--color-text-gray);
}

.background-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Color picker personalizado */
.color-picker-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.color-picker-input {
    width: 40px;
    height: 40px;
    border: var(--border-subtle);
    border-radius: var(--radius-soft);
    padding: 2px;
    cursor: pointer;
    background: var(--color-white-pure);
}

.color-picker-input::-webkit-color-swatch-wrapper {
    padding: 0;
}

.color-picker-input::-webkit-color-swatch {
    border: none;
    border-radius: 2px;
}

/* Zona de drag and drop */
.drop-zone {
    border: 2px dashed var(--color-soft-gray);
    border-radius: var(--radius-medium);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.drop-zone:hover,
.drop-zone.drag-active {
    border-color: var(--color-medium-gray);
    background-color: var(--color-champagne);
}

.drop-zone .upload-icon {
    width: 48px;
    height: 48px;
    color: var(--color-medium-gray);
    margin-bottom: var(--spacing-sm);
}

.drop-zone .drop-text {
    font-size: 14px;
    color: var(--color-text-light);
    margin: 0;
}

.drop-zone .drop-subtext {
    font-size: 12px;
    color: var(--color-medium-gray);
    margin-top: 4px;
}

/* Grid de obras */
.artworks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-md);
}

.artwork-card {
    position: relative;
    border: var(--border-pearl);
    border-radius: var(--radius-soft);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.artwork-card:hover {
    border-color: var(--color-medium-gray);
    box-shadow: var(--shadow-subtle);
}

.artwork-card.selected {
    border: 2px solid var(--color-text-gray);
}

.artwork-card .artwork-image {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.artwork-card .artwork-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-sm);
    background: linear-gradient(transparent, rgba(255, 255, 255, 0.95));
    opacity: 0;
    transition: var(--transition-smooth);
}

.artwork-card:hover .artwork-info {
    opacity: 1;
}

.artwork-card .artwork-title {
    font-family: var(--font-serif);
    font-size: 14px;
    color: var(--color-text-gray);
    margin: 0;
}

.artwork-card .artwork-meta {
    font-size: 11px;
    color: var(--color-text-light);
}

/* Badge de clasificación */
.type-badge {
    display: inline-block;
    padding: 4px 10px;
    background: var(--color-champagne);
    color: var(--color-text-light);
    font-size: 11px;
    font-weight: 400;
    border-radius: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Panel de control - Cards */
.control-card {
    background: var(--color-white-warm);
    border-radius: var(--radius-medium);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-minimal);
}

.control-card h3 {
    font-family: var(--font-serif);
    font-size: 16px;
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-gray);
}

/* Lista de resumen */
.summary-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.summary-list li {
    position: relative;
    padding-left: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    font-size: 14px;
    font-weight: 300;
    color: var(--color-text-gray);
}

.summary-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 4px;
    height: 4px;
    background: var(--color-medium-gray);
    border-radius: 50%;
}

/* Switch minimalista */
.switch-minimal {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.switch-minimal input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch-minimal .slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--color-white-pure);
    border: 1px solid var(--color-soft-gray);
    border-radius: 24px;
    transition: var(--transition-smooth);
}

.switch-minimal .slider::before {
    content: '';
    position: absolute;
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background: var(--color-white-pure);
    border: 1px solid var(--color-medium-gray);
    border-radius: 50%;
    box-shadow: var(--shadow-minimal);
    transition: var(--transition-smooth);
}

.switch-minimal input:checked+.slider {
    background: var(--color-champagne);
    border-color: var(--color-gold-pale);
}

.switch-minimal input:checked+.slider::before {
    transform: translateX(20px);
    border-color: var(--color-gold-pale);
}

/* Range slider */
.range-minimal {
    width: 100%;
    height: 2px;
    background: var(--color-pearl);
    border-radius: 2px;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.range-minimal::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--color-white-pure);
    border: 1px solid var(--color-medium-gray);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-minimal);
    transition: var(--transition-smooth);
}

.range-minimal::-webkit-slider-thumb:hover {
    border-color: var(--color-text-gray);
    box-shadow: var(--shadow-subtle);
}

/* Custom orange range slider for Reflectivity */
.custom-range-orange {
    height: 6px;
    background: rgba(255, 152, 0, 0.1);
    border-radius: 3px;
    margin: 10px 0;
}

.custom-range-orange::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: #ff9800;
    border: 2px solid white;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    transition: transform 0.2s;
}

.custom-range-orange::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.custom-range-orange::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: #ff9800;
    border: 2px solid white;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

/* Radio buttons */
.radio-minimal {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    font-size: 14px;
    font-weight: 300;
}

.radio-minimal input {
    display: none;
}

.radio-minimal .radio-circle {
    width: 18px;
    height: 18px;
    border: 1px solid var(--color-soft-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.radio-minimal input:checked+.radio-circle {
    border-color: var(--color-text-gray);
}

.radio-minimal .radio-circle::after {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-text-gray);
    border-radius: 50%;
    opacity: 0;
    transition: var(--transition-smooth);
}

.radio-minimal input:checked+.radio-circle::after {
    opacity: 1;
}

/* Botones */
.btn-primary-minimal {
    display: inline-block;
    background: var(--color-black-soft);
    color: var(--color-white-pure);
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: var(--radius-soft);
    cursor: pointer;
    transition: var(--transition-smooth);
    text-decoration: none;
}

.btn-primary-minimal:hover {
    background: #1a1a1a;
    color: var(--color-white-pure);
}

.btn-primary-minimal:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-secondary-minimal {
    display: inline-block;
    background: var(--color-white-pure);
    color: var(--color-text-gray);
    border: var(--border-medium);
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 400;
    border-radius: var(--radius-soft);
    cursor: pointer;
    transition: var(--transition-smooth);
    text-decoration: none;
}

.btn-secondary-minimal:hover {
    background: var(--color-champagne);
    color: var(--color-text-gray);
}

/* Control row */
.control-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: var(--border-pearl);
}

.control-row:last-child {
    border-bottom: none;
}

.control-label {
    font-size: 14px;
    font-weight: 300;
    color: var(--color-text-gray);
}

/* Combinaciones count */
.combinations-display {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--color-pearl);
    border-radius: var(--radius-medium);
    margin-bottom: var(--spacing-md);
}

.combinations-number {
    font-family: var(--font-serif);
    font-size: 48px;
    font-weight: 300;
    color: var(--color-text-gray);
    line-height: 1;
}

.combinations-label {
    font-size: 12px;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: var(--spacing-xs);
}

/* Validation message */
.validation-msg {
    font-size: 13px;
    color: var(--color-text-light);
    text-align: center;
    padding: var(--spacing-sm);
    display: none;
}

.validation-msg.show {
    display: block;
}

/* Responsive */
@media (max-width: 1199px) {
    .panel-column {
        padding: var(--spacing-md);
    }

    .frames-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
}

@media (max-width: 991px) {
    .panel-column {
        border-right: none;
        border-bottom: var(--border-pearl);
        min-height: auto;
    }

    .panel-column:last-child {
        border-bottom: none;
    }
}

@media (max-width: 767px) {
    h1 {
        font-size: 26px;
    }

    h2 {
        font-size: 20px;
    }

    .panel-column {
        padding: var(--spacing-sm);
    }

    .frames-grid,
    .artworks-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: var(--spacing-sm);
    }
}

/* =============================================================
   GALERÍA DE COMBINACIONES - Nuevos estilos
   ============================================================= */

/* Sección principal */
.saved-combinations-section {
    margin-top: var(--spacing-lg);
}

.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-soft-gray), transparent);
    margin: var(--spacing-lg) 0;
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 400;
    color: var(--color-text-gray);
    margin-bottom: var(--spacing-md);
}

.section-icon {
    width: 20px;
    height: 20px;
    color: var(--color-medium-gray);
}

/* Galería de combinaciones */
.combinations-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: var(--spacing-sm);
    max-height: 280px;
    overflow-y: auto;
    padding: var(--spacing-sm);
    background: var(--color-pearl);
    border-radius: var(--radius-medium);
    margin-bottom: var(--spacing-md);
}

.combination-thumbnail {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-soft);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
    background: var(--color-white-pure);
}

.combination-thumbnail:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-soft);
}

.combination-thumbnail.selected {
    border-color: var(--color-text-gray);
    box-shadow: 0 0 0 3px var(--color-champagne);
}

.combination-thumbnail img,
.combination-thumbnail canvas {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.combination-thumbnail .thumb-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, 0.4));
    opacity: 0;
    transition: var(--transition-smooth);
}

.combination-thumbnail:hover .thumb-overlay {
    opacity: 1;
}

.combination-thumbnail .thumb-check {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--color-white-pure);
    border: 2px solid var(--color-soft-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

.combination-thumbnail:hover .thumb-check,
.combination-thumbnail.selected .thumb-check {
    opacity: 1;
}

.combination-thumbnail.selected .thumb-check {
    background: var(--color-text-gray);
    border-color: var(--color-text-gray);
}

.combination-thumbnail .thumb-check svg {
    width: 14px;
    height: 14px;
    color: var(--color-white-pure);
    opacity: 0;
}

.combination-thumbnail.selected .thumb-check svg {
    opacity: 1;
}

.combination-thumbnail .thumb-info {
    position: absolute;
    bottom: 4px;
    left: 4px;
    right: 4px;
    font-size: 9px;
    color: var(--color-white-pure);
    text-align: center;
    opacity: 0;
    transition: var(--transition-smooth);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.combination-thumbnail:hover .thumb-info {
    opacity: 1;
}

/* Botones de acción de la galería */
.gallery-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.btn-action-small {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: var(--color-white-pure);
    border: var(--border-subtle);
    border-radius: var(--radius-soft);
    font-size: 12px;
    font-weight: 400;
    color: var(--color-text-gray);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-action-small svg {
    width: 14px;
    height: 14px;
}

.btn-action-small:hover {
    background: var(--color-champagne);
    border-color: var(--color-medium-gray);
}

.btn-action-small:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-action-small.btn-action-primary {
    background: var(--color-champagne);
    border-color: var(--color-gold-pale);
}

.btn-action-small.btn-action-primary:hover:not(:disabled) {
    background: var(--color-gold-pale);
}

/* Cola de renderizado */
.render-queue-section {
    margin-bottom: var(--spacing-md);
}

.queue-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-gray);
    margin-bottom: var(--spacing-sm);
}

.queue-badge {
    background: var(--color-gold-pale);
    border-color: var(--color-gold-pale);
}

.render-queue {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    padding: var(--spacing-sm);
    background: var(--color-white-warm);
    border-radius: var(--radius-medium);
    min-height: 80px;
    align-items: center;
}

.queue-empty-msg {
    font-size: 13px;
    color: var(--color-text-light);
    text-align: center;
    width: 100%;
    margin: 0;
}

.queue-item {
    position: relative;
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    border-radius: var(--radius-soft);
    overflow: hidden;
    border: 2px solid var(--color-soft-gray);
    transition: var(--transition-smooth);
}

.queue-item:hover {
    border-color: var(--color-medium-gray);
}

.queue-item img,
.queue-item canvas {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.queue-item .remove-btn {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #e74c3c;
    border: 2px solid var(--color-white-pure);
    color: var(--color-white-pure);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: var(--transition-smooth);
}

.queue-item:hover .remove-btn {
    opacity: 1;
}

.queue-item .remove-btn svg {
    width: 12px;
    height: 12px;
}

/* Botón de envío a IA */
.btn-ai-render {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, #2c3e50 0%, #1a252f 100%);
    border: none;
    border-radius: var(--radius-medium);
    color: var(--color-white-pure);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-ai-render::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition-smooth);
}

.btn-ai-render:hover::before {
    opacity: 1;
}

.btn-ai-render:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(44, 62, 80, 0.3);
}

.btn-ai-render:disabled {
    background: var(--color-soft-gray);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-ai-render .ai-icon {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

.btn-ai-render .btn-ai-text {
    flex: 1;
    text-align: left;
}

.btn-ai-render .btn-ai-title {
    display: block;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.btn-ai-render .btn-ai-subtitle {
    display: block;
    font-size: 11px;
    opacity: 0.7;
    margin-top: 2px;
}

.btn-ai-render .btn-ai-arrow {
    font-size: 20px;
    opacity: 0.7;
    transition: var(--transition-smooth);
}

.btn-ai-render:hover .btn-ai-arrow {
    opacity: 1;
    transform: translateX(4px);
}

/* Responsive para galería */
@media (max-width: 767px) {
    .combinations-gallery {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        max-height: 200px;
    }

    .gallery-actions {
        justify-content: center;
    }

    .btn-action-small {
        font-size: 11px;
        padding: 6px 10px;
    }
}

/* =============================================================
   MODAL DE PERSPECTIVA
   ============================================================= */
.perspective-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.perspective-modal-overlay.show {
    display: flex;
}

.perspective-modal-content {
    background: var(--color-white-pure);
    width: 90%;
    max-width: 1200px;
    height: 90%;
    max-height: 900px;
    border-radius: var(--radius-medium);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    position: relative;
    animation: modalSlideUp 0.3s ease-out;
}

@keyframes modalSlideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.perspective-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: var(--border-pearl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--color-white-pure);
}

.perspective-header h3 {
    margin: 0;
    font-size: 20px;
    color: var(--color-text-gray);
    display: flex;
    align-items: center;
    gap: 10px;
}

.perspective-body {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative;
    background: #f0f0f0;
}

.perspective-canvas-container {
    flex: 1;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.perspective-canvas-container canvas {
    max-width: 100%;
    max-height: 100%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    cursor: crosshair;
    touch-action: none;
    /* Prevent scrolling on touch */
}

/* Ensure result image fits container */
.perspective-preview-img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-soft);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    display: block;
    margin: 0 auto;
}

.perspective-preview-msg {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    pointer-events: none;
    opacity: 0.8;
}

.perspective-controls {
    width: 300px;
    background: var(--color-white-pure);
    border-left: var(--border-pearl);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    overflow-y: auto;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.control-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-gray);
}

.control-group input {
    padding: 8px 12px;
    border: 1px solid var(--color-soft-gray);
    border-radius: var(--radius-soft);
    font-size: 14px;
    transition: all 0.2s;
}

.control-group input:focus {
    border-color: var(--color-text-gray);
    outline: none;
}

.btn-modal-action {
    padding: 12px;
    border: none;
    border-radius: var(--radius-soft);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-process {
    background: var(--color-black-soft);
    color: white;
}

.btn-process:hover {
    background: #000;
}

.btn-gpt {
    background: #10a37f;
    /* OpenAI Green */
    color: white;
}

.btn-gpt:hover {
    background: #0e906f;
}

.btn-gpt:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.btn-save {
    background: var(--color-champagne);
    color: var(--color-text-gray);
    border: 1px solid var(--color-gold-pale);
    margin-top: auto;
}

.btn-save:hover {
    background: var(--color-gold-pale);
}

.btn-save:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-close-modal {
    background: transparent;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--color-text-light);
    padding: 0;
    line-height: 1;
}

.btn-close-modal:hover {
    color: var(--color-text-gray);
}

.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--color-black-soft);
    animation: spin 1s ease-in-out infinite;
    margin-bottom: 15px;
}

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

/* =============================================================
   PERSPECTIVE OVERLAY (Full Screen Card Style)
   ============================================================= */
.perspective-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--color-white-pure);
    z-index: 3000;
    display: none;
    flex-direction: column;
    overflow-y: auto;
}

.perspective-overlay.active {
    display: flex;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Header */
.p-header {
    padding: var(--spacing-md) var(--spacing-xl);
    border-bottom: var(--border-pearl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--color-white-pure);
    position: sticky;
    top: 0;
    z-index: 10;
}

.p-header h2 {
    font-size: 20px;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.p-close-btn {
    background: transparent;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--color-text-light);
    line-height: 1;
    transition: var(--transition-smooth);
}

.p-close-btn:hover {
    color: var(--color-text-gray);
    transform: rotate(90deg);
}

/* Main Container */
.p-container {
    flex: 1;
    padding: var(--spacing-lg) var(--spacing-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    max-width: 1800px;
    margin: 0 auto;
    width: 100%;
}

@media (max-width: 1024px) {
    .p-container {
        grid-template-columns: 1fr;
    }
}

/* Cards within Overlay */
.p-card {
    background: var(--color-white-pure);
    border: var(--border-pearl);
    border-radius: var(--radius-medium);
    display: flex;
    flex-direction: column;
    height: fit-content;
}

.p-card-header {
    padding: var(--spacing-md);
    border-bottom: var(--border-pearl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--color-pearl);
}

.p-card-header h3 {
    font-size: 16px;
    margin: 0;
    font-weight: 400;
}

.p-card-body {
    padding: var(--spacing-md);
}

/* Canvas Area */
.p-canvas-container {
    position: relative;
    background: #f5f5f5;
    /* Light gray for contrast */
    border-radius: var(--radius-soft);
    overflow: hidden;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px dashed var(--color-medium-gray);
}

.p-canvas-container canvas {
    max-width: 100%;
    max-height: 600px;
    box-shadow: var(--shadow-soft);
    cursor: crosshair;
}

/* Result Image */
.p-result-image {
    width: auto;
    max-width: 100%;
    max-height: 60vh;
    object-fit: contain;
    border-radius: var(--radius-soft);
    box-shadow: var(--shadow-subtle);
    margin: 0 auto;
}

/* Controls */
.p-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.p-control-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.p-control-group label {
    font-size: 13px;
    color: var(--color-text-light);
}

.p-input {
    padding: 8px 12px;
    border: var(--border-subtle);
    border-radius: var(--radius-soft);
    font-family: var(--font-sans);
    font-size: 14px;
}

/* Buttons */
.p-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Points Indicator */
.p-points-indicator {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.p-point-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: var(--color-pearl);
    border-radius: 12px;
    font-size: 12px;
    border: 1px solid transparent;
}

.p-point-badge.active {
    border-color: var(--color-text-gray);
    background: var(--color-champagne);
}

.p-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

/* ============ THUMB PREVIEW ============ */
.combination-thumbnail .thumb-preview {
    position: absolute;
    top: 6px;
    left: 6px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--color-soft-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 10;
}

.combination-thumbnail:hover .thumb-preview {
    opacity: 1;
}

.combination-thumbnail .thumb-preview:hover {
    background: var(--color-text-gray);
    color: var(--color-white-pure);
    transform: scale(1.1);
}

.combination-thumbnail .thumb-preview svg {
    width: 14px;
    height: 14px;
}

/* ============ PREMIUM CARD SYSTEM ============ */

.modern-card {
    background: var(--color-white-pure);
    border: none;
    border-radius: var(--radius-large);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: var(--transition-smooth);
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.modern-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.card-title-premium {
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-gray);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(0, 0, 0, 0.02);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
}

.card-title-premium .section-icon {
    width: 16px;
    height: 16px;
    color: var(--color-medium-gray);
}

.control-row-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.control-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.control-label-mini {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
    margin-bottom: 2px;
}

.form-control-premium, .form-select-premium {
    background: var(--color-white-warm);
    border: 1px solid var(--color-soft-gray);
    border-radius: var(--radius-soft);
    font-size: 12px;
    padding: 6px 10px;
    color: var(--color-text-gray);
    transition: var(--transition-fast);
}

.form-control-premium:focus, .form-select-premium:focus {
    border-color: var(--color-medium-gray);
    background: var(--color-white-pure);
    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.03);
    outline: none;
}

.btn-add-glass {
    background: transparent;
    border: 1px dashed var(--color-medium-gray);
    color: var(--color-text-light);
    font-size: 10px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 4px;
    transition: var(--transition-fast);
}

.btn-add-glass:hover {
    background: var(--color-champagne);
    color: var(--color-text-gray);
    border-style: solid;
}

.glass-flex-row {
    display: flex;
    gap: var(--spacing-sm);
}

.glass-item {
    flex: 1;
}

.admin-card {
    background: #fffafa;
    border: 1px solid rgba(217, 83, 79, 0.1);
}

.admin-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.form-switch-premium {
    padding-left: 2.5em;
    min-height: 24px;
}

.form-switch-premium .form-check-input {
    width: 2.5em !important;
    height: 1.25em !important;
    margin-left: -2.5em;
    border-radius: 2em;
}

.btn-save-premium {
    background: linear-gradient(135deg, #d9534f, #c9302c);
    color: white;
    border: none;
    padding: 10px;
    border-radius: var(--radius-soft);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 10px rgba(217, 83, 79, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-save-premium:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 15px rgba(217, 83, 79, 0.3);
}

.btn-vr-premium {
    background: linear-gradient(135deg, #6c63ff, #3f3d99);
    border: none;
    color: white;
    font-weight: 600;
    font-size: 13px;
    border-radius: var(--radius-soft);
    transition: var(--transition-smooth);
    box-shadow: 0 4px 12px rgba(108, 99, 255, 0.2);
}

.btn-vr-premium:hover {
    box-shadow: 0 6px 20px rgba(108, 99, 255, 0.3);
    transform: scale(1.01);
}

.form-range-premium {
    width: 100%;
}

.form-control-color-premium {
    padding: 2px;
    height: 30px;
    width: 100%;
    max-width: 80px;
}

.animate-in {
    animation: fadeInSlideUp 0.6s cubic-bezier(0.23, 1, 0.32, 1) both;
}

@keyframes fadeInSlideUp {
    0% { opacity: 0; transform: translateY(10px); }
    100% { opacity: 1; transform: translateY(0); }
}

.autofill-notification {
    font-size: 11px;
    color: #8a7f74;
    background: #faf8f4;
    border: 1px solid #e8d5a3;
    padding: 6px 10px;
    letter-spacing: 0.02em;
    border-radius: 4px;
}

.success-msg-inline {
    font-size: 11px;
    color: #28a745;
    font-weight: 600;
    text-align: center;
    margin: 0;
}
/* =============================================================
   TEXTURE PREVIEW CARD (EyeDropper Support)
   ============================================================= */
.texture-preview-card {
    position: fixed;
    bottom: 70px;
    right: 20px;
    width: 200px;
    background: rgba(26, 22, 18, 0.95);
    border: 1px solid rgba(201, 168, 80, 0.4);
    border-radius: var(--radius-medium);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    z-index: 10000;
    overflow: hidden;
    animation: slideUpFade 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
}

@keyframes slideUpFade {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.card-header-mini {
    padding: 10px 12px;
    font-size: 11px;
    color: #c9a850;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    border-bottom: 1px solid rgba(201, 168, 80, 0.2);
    background: rgba(0, 0, 0, 0.2);
}

.card-image-container {
    width: 100%;
    max-height: 200px;
    overflow: hidden;
    background: #111;
    display: flex;
    align-items: center;
    justify-content: center;
}

#texturePreviewImg {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}

.card-footer-mini {
    padding: 8px 12px;
    font-size: 10px;
    color: rgba(255, 255, 255, 0.6);
    background: rgba(0, 0, 0, 0.1);
    text-align: center;
    font-style: italic;
}