/* ==========================================================================
   1. VARIABLES GLOBALES Y TEMAS
   ========================================================================== */

:root {
    --primary-color: #0d6efd;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #fd7e14;
    --info-color: #17a2b8;
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --dark-gray: #6c757d;
    --text-color: #212529;
    --body-bg: #dfe3e8;
    --container-bg: white;
    --highlight-bg: #e3f2fd;
    --highlight-border: #bde0fe;
}

.theme-fluor {
    --primary-color: #39FF14; /* Verde Neón */
    --info-color: #B0FF14;
    --highlight-bg: #eBFFe3;
    --highlight-border: #bBFFb2;
}

.theme-uv {
    --primary-color: #6f42c1;
    --info-color: #8855d4;
    --highlight-bg: #e9d8fd;
    --highlight-border: #d3bcf2;
}

.theme-sublimation {
    --primary-color: #fd7e14;
    --info-color: #ff9a40;
    --highlight-bg: #fff3e0;
    --highlight-border: #ffe0b2;
}

/* ==========================================================================
   2. ESTILOS BASE Y ESTRUCTURA PRINCIPAL
   ========================================================================== */

.fuerza-dtf-container * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.fuerza-dtf-container {
    background: var(--body-bg);
    padding: 15px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
}

.fuerza-dtf-container .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    height: calc(100vh - 30px);
    max-height: calc(100vh - 30px);
    background: var(--container-bg);
    border-radius: 10px;
    padding: 15px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.fuerza-dtf-container .header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 15px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--medium-gray);
}

.header-title {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-shrink: 0;
}

.fuerza-dtf-container h1 {
    color: var(--text-color);
    margin: 0;
    font-size: 1.6rem;
}

.fuerza-dtf-container .algorithm-info {
    background: var(--primary-color);
    color: white;
    padding: 8px 15px;
    border-radius: 6px;
    font-weight: bold;
    font-size: 0.9rem;
}

.header-summary-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

@media (min-width: 992px) {
    .fuerza-dtf-container .container {
        grid-template-columns: 360px 1fr;
        grid-template-rows: auto 1fr;
    }
    .fuerza-dtf-container .header {
        grid-column: 1 / -1;
    }
}

/* ==========================================================================
   3. PANEL IZQUIERDO (SUBIDA Y CONFIGURACIÓN)
   ========================================================================== */

.fuerza-dtf-container .left-panel {
    display: flex;
    flex-direction: column;
    gap: 8px; /* MÁS REDUCIDO: de 15px a 8px */
    min-height: 0;
}

.fuerza-dtf-container .upload-area {
    border: 2px dashed #ccc; /* REDUCIDO: de 3px a 2px */
    border-radius: 6px; /* REDUCIDO: de 8px a 6px */
    padding: 8px 8px; /* MÁS REDUCIDO: de 12px 10px a 8px 8px */
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--light-gray);
}
.fuerza-dtf-container .upload-area:hover {
    border-color: var(--primary-color);
    background: var(--highlight-bg);
}
.fuerza-dtf-container .upload-area.dragover {
    border-style: solid;
    transform: scale(1.02);
}
.fuerza-dtf-container .upload-area h3 {
    pointer-events: none;
    margin: 2px 0; /* MÁS REDUCIDO: de 5px a 2px */
    font-size: 1rem; /* MÁS REDUCIDO: de 1.1rem a 1rem */
}
.fuerza-dtf-container .upload-area p {
    pointer-events: none;
    margin: 2px 0 0 0; /* MÁS REDUCIDO: de 5px a 2px */
    font-size: 0.75rem; /* MÁS REDUCIDO: de 0.85rem a 0.75rem */
}

.fuerza-dtf-container .optimization-settings {
    background: var(--light-gray);
    padding: 6px 8px; /* MÁS REDUCIDO: de 10px a 6px 8px */
    border-radius: 6px;
    border: 1px solid #dee2e6;
}
.fuerza-dtf-container .setting-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px; /* REDUCIDO: de 10px a 8px */
    margin: 5px 0; /* MÁS REDUCIDO: de 8px a 5px */
    font-size: 0.8rem; /* MÁS REDUCIDO: de 0.85rem a 0.8rem */
}
.fuerza-dtf-container .setting-row label {
    margin: 0; /* NUEVO: eliminar márgenes */
}
.fuerza-dtf-container .setting-row input[type="text"],
.fuerza-dtf-container .setting-row input[type="number"] {
    padding: 3px 5px; /* NUEVO: inputs más compactos */
    font-size: 0.8rem;
    height: 24px; /* NUEVO: altura fija menor */
}
.fuerza-dtf-container .product-selector {
    display: flex;
    flex-wrap: wrap; 
    gap: 3px; /* MÁS REDUCIDO: de 5px a 3px */
    background-color: var(--medium-gray);
    border-radius: 6px; /* REDUCIDO: de 8px a 6px */
    padding: 3px; /* MÁS REDUCIDO: de 5px a 3px */
    margin-bottom: 6px; /* MÁS REDUCIDO: de 10px a 6px */
}
.fuerza-dtf-container .product-selector label {
    flex: 1 1 45%; 
    min-width: 110px; /* REDUCIDO: de 120px a 110px */
    padding: 4px 6px; /* MÁS REDUCIDO: de 6px a 4px 6px */
    text-align: center;
    border-radius: 4px; /* REDUCIDO: de 6px a 4px */
    cursor: pointer;
    font-weight: 500;
    font-size: 0.75rem; /* MÁS REDUCIDO: de 0.85rem a 0.75rem */
    transition: all 0.3s ease;
    user-select: none;
    line-height: 1.2; /* NUEVO: línea más compacta */
}
.fuerza-dtf-container .product-selector input { display: none; }
.fuerza-dtf-container .optimization-settings h4 {
    font-size: 0.9rem; /* MÁS REDUCIDO: de 1rem a 0.9rem */
    margin: 0 0 5px 0; /* MÁS REDUCIDO: de 10px a 5px */
    line-height: 1; /* NUEVO: línea compacta */
}
.fuerza-dtf-container .optimization-settings hr {
    margin: 5px 0; /* NUEVO: reducir espacios del separador */
}
.fuerza-dtf-container .product-selector input:checked+label {
    background-color: var(--primary-color);
    color: white;
    font-weight: bold;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   4. LISTA DE ARCHIVOS (SECCIÓN CORREGIDA - MÍNIMO 4 ARCHIVOS VISIBLES)
   ========================================================================== */

.fuerza-dtf-container .files-list-wrapper {
    flex: 1;
    position: relative;
    min-height: 460px; /* AUMENTADO: de 320px a 380px para compensar la reducción de espacios superiores */
    max-height: 500px; /* AUMENTADO: de 450px a 500px */
    overflow-y: hidden;
    border: 1px solid var(--medium-gray);
    border-radius: 6px;
    display: flex;
    flex-direction: column;
}
.fuerza-dtf-container .files-list {
    height: 100%;
    overflow-y: auto;
    padding: 8px;
}

/* NUEVO: Estilos mejorados para la barra de scroll */
.fuerza-dtf-container .files-list::-webkit-scrollbar {
    width: 8px;
}
.fuerza-dtf-container .files-list::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}
.fuerza-dtf-container .files-list::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}
.fuerza-dtf-container .files-list::-webkit-scrollbar-thumb:hover {
    background: #555;
}

.fuerza-dtf-container .files-list-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--dark-gray);
    font-size: 0.9rem;
}
.fuerza-dtf-container .file-item {
    background: white;
    border: 1px solid #dee2e6;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: nowrap;
}
.fuerza-dtf-container .file-preview {
    width: 60px;
    height: 60px;
    border-radius: 4px;
    background-color: var(--medium-gray);
    background-image: linear-gradient(45deg, #ddd 25%, transparent 25%), linear-gradient(-45deg, #ddd 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #ddd 75%), linear-gradient(-45deg, transparent 75%, #ddd 75%);
    background-size: 16px 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid #ced4da;
}
.fuerza-dtf-container .file-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}
.fuerza-dtf-container .file-details {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
    min-width: 0;
}
.fuerza-dtf-container .file-name {
    font-weight: bold;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.fuerza-dtf-container .file-meta {
    font-size: 0.8rem;
    color: var(--dark-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}
.fuerza-dtf-container .dimensions-group {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}
.fuerza-dtf-container .dim-input {
    width: 60px !important;
    min-width: 60px !important;
    height: auto !important;
    padding: 4px !important;
    font-size: 0.9rem !important;
    text-align: center;
    border: 1px solid #ced4da;
    border-radius: 4px;
}
.fuerza-dtf-container .dpi-info {
    font-weight: bold;
    font-size: 0.8rem;
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 5px;
}
.fuerza-dtf-container .dpi-good { color: var(--success-color); }
.fuerza-dtf-container .dpi-warn { color: var(--danger-color); }
.fuerza-dtf-container .file-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.fuerza-dtf-container .quantity-input {
    width: 50px !important;
    min-width: 50px !important;
    height: auto !important;
    padding: 4px !important;
    font-size: 0.9rem !important;
}
.fuerza-dtf-container .remove-btn {
    background: var(--danger-color) !important;
    color: white !important;
    border: none !important;
    border-radius: 50% !important;
    width: 28px !important;
    height: 28px !important;
    min-width: 28px !important;
    min-height: 28px !important;
    cursor: pointer !important;
    font-weight: bold !important;
    font-size: 1.2rem !important;
    transition: all 0.2s !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    line-height: 1 !important;
    padding: 0 0 2px 0 !important;
    flex-shrink: 0;
}
.fuerza-dtf-container .remove-btn:hover {
    background: #c82333 !important;
    transform: scale(1.1);
}

/* NUEVO: Ajuste responsivo para pantallas pequeñas */
@media (max-width: 991px) {
    .fuerza-dtf-container .files-list-wrapper {
        min-height: 280px; /* Ligeramente menor en móviles */
        max-height: 400px;
    }
}

/* ==========================================================================
   5. PANEL DERECHO (RESULTADOS) Y RESTO DE LA APP
   ========================================================================== */

.fuerza-dtf-container .right-panel {
    position: relative;
    border-radius: 8px;
}
.fuerza-dtf-container .results-summary { background: var(--highlight-bg); border: 1px solid var(--highlight-border); border-radius: 6px; padding: 10px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.fuerza-dtf-container .summary-item { text-align: center; }
.fuerza-dtf-container .summary-label { display: block; font-size: 0.8rem; color: var(--dark-gray); margin-bottom: 2px; }
.fuerza-dtf-container .summary-value { display: block; font-size: 1.1rem; font-weight: bold; color: var(--text-color); }
@media (min-width: 576px) {
    .fuerza-dtf-container .results-summary { grid-template-columns: repeat(4, 1fr); }
    .fuerza-dtf-container .summary-value { font-size: 1.2rem; }
}
.fuerza-dtf-container .results { display: grid; gap: 15px; }
.fuerza-dtf-container .metro-container {
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: var(--pliego-padding, 5px);
    background: var(--container-bg);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.fuerza-dtf-container .metro-header { text-align: center; margin-bottom: 8px; font-weight: bold; font-size: 0.9rem; }
.fuerza-dtf-container .duplicate-indicator { background-color: var(--warning-color); color: white; padding: 2px 6px; border-radius: 10px; font-size: 0.8rem; margin-left: 8px; font-weight: bold; }
.fuerza-dtf-container .metro-canvas {
    width: 100%;
    max-width: var(--pliego-ancho-imagen, 235px);
    border: 1px solid var(--medium-gray);
    display: block;
    margin: 10px auto;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}
.fuerza-dtf-container .metro-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; font-size: 0.8rem; text-align: center; }
.fuerza-dtf-container .calculate-btn { background: var(--success-color); color: white; border: none; padding: 15px 20px; border-radius: 8px; cursor: pointer; font-size: 1rem; font-weight: bold; width: 100%; transition: all 0.3s ease; text-transform: uppercase; }
.fuerza-dtf-container .calculate-btn:disabled { background: var(--dark-gray); cursor: not-allowed; animation: none; box-shadow: none; }
.fuerza-dtf-container .calculate-btn.needs-recalc { background-color: var(--warning-color); animation: needs-recalc-glow 1.5s infinite ease-in-out; }
#buyButtonContainer { display: none; }
#buyButtonContainer .calculate-btn { background-color: var(--primary-color); }
@keyframes needs-recalc-glow { 50% { box-shadow: 0 0 15px 5px rgba(253, 126, 20, 0.6); } }
.file-list-loader { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(255, 255, 255, 0.85); z-index: 10; display: none; flex-direction: column; align-items: center; justify-content: center; gap: 10px; color: var(--dark-gray); border-radius: 6px; }
.spinner { border: 5px solid #f3f3f3; border-top: 5px solid var(--primary-color); border-radius: 50%; width: 50px; height: 50px; animation: spin 1s linear infinite; }
@keyframes spin { 100% { transform: rotate(360deg); } }
.fuerza-dtf-container.results-stale .results, .fuerza-dtf-container.results-stale .header-summary-wrapper { opacity: 0.4; pointer-events: none; }
.stale-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; display: none; justify-content: center; align-items: center; background: rgba(240, 242, 245, 0.85); text-align: center; font-size: 1.2rem; font-weight: bold; color: var(--text-color); z-index: 5; padding: 20px; border-radius: 8px; }
.fuerza-dtf-container.results-stale .stale-overlay { display: flex; }
.progress-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0, 0, 0, 0.8); display: none; align-items: center; justify-content: center; z-index: 9999; }
.progress-modal { background: white; padding: 30px; border-radius: 10px; text-align: center; width: 90%; max-width: 400px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3); }
.progress-bar { width: 100%; height: 25px; background-color: var(--medium-gray); border-radius: 10px; overflow: hidden; margin: 20px 0; background-image: linear-gradient(45deg, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent); background-size: 40px 40px; animation: progress-bar-stripes 1s linear infinite; }
.progress-fill { height: 100%; background-color: var(--primary-color); width: 0%; transition: width 0.3s ease-out; }
@keyframes progress-bar-stripes { from { background-position: 40px 0; } to { background-position: 0 0; } }
.error-message { background: #f8d7da; color: #721c24; padding: 15px; border-radius: 6px; border: 1px solid #f5c6cb; position: fixed; top: 20px; left: 50%; transform: translateX(-50%); z-index: 10000; box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2); font-weight: 500; }
#clientName.error { border: 2px solid var(--danger-color); animation: shake 0.5s; }
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* ==========================================================================
   6. ESTILOS DE INTEGRACIÓN Y SOLUCIÓN FINAL (ELEMENTOR/ASTRA)
   ========================================================================== */

/* ---  PANEL DE CONTROL PARA LOS TAMAÑOS DE LOS RESULTADOS --- */
:root {
    --pliego-ancho-imagen: 235px;
    --pliego-padding: 5px;
    --pliego-ancho-total: 255px;
}

/* --- Hacer que la app se vea completa y no se corte --- */
.fuerza-dtf-container .container {
    height: auto !important;
    max-height: 90vh !important;
    box-shadow: none;
    padding: 10px;
}

/* --- Integración con el fondo y ancho de la página --- */
.fuerza-dtf-container {
    background: transparent;
    padding: 0;
    width: 100%;
    font-family: inherit;
}

/* --- Sobrescribir colores para que coincidan con el tema --- */
.fuerza-dtf-container {
    --primary-color: var(--ast-global-color-0, #0d6efd);
    --success-color: #228B22;
    --warning-color: #f58220;
    --text-color: var(--ast-global-color-3, #333333);
    --body-bg: transparent;
    --container-bg: var(--ast-global-color-5, #ffffff);
    --medium-gray: #f0f0f0;
}

/* --- Heredar estilos de botones del tema --- */
.fuerza-dtf-container .calculate-btn,
.fuerza-dtf-container .product-selector input:checked+label {
    border-radius: var(--ast-border-radius, 4px);
    font-weight: var(--ast-font-weight-button, 700);
}
.fuerza-dtf-container .remove-btn {
    background: var(--danger-color) !important;
}

/* --- SOLUCIÓN PARA EL DISEÑO DEL PANEL DERECHO Y LA CABECERA --- */

.fuerza-dtf-container .right-panel {
    border-left: 1px solid #eeeeee !important;
    background: transparent !important;
    padding: 0 !important;
    overflow: hidden; 
}

.fuerza-dtf-container .results {
    grid-template-columns: repeat(auto-fill, var(--pliego-ancho-total)) !important; 
    justify-content: start !important;
    gap: 8px !important; 
    height: 100%;
    overflow-y: auto;
    padding: 10px;
}

.header-summary-wrapper .results-summary {
    padding: 5px 10px !important;
    margin-bottom: 0 !important;
    border-radius: 6px !important;
    gap: 15px !important;
    flex-grow: 0 !important;
    min-width: 300px;
}
.header-summary-wrapper .summary-label {
    font-size: 0.7rem !important;
    margin-bottom: 0 !important;
}
.header-summary-wrapper .summary-value {
    font-size: 0.9rem !important;
}
.header-summary-wrapper #buyButtonContainer {
    margin: 0 !important;
}
.header-summary-wrapper #buyButtonContainer .calculate-btn {
    padding: 10px 15px !important;
    font-size: 0.9rem !important;
}

/* --- SOLUCIÓN PARA RESTAURAR EL SCROLL INTERNO DEL PANEL IZQUIERDO --- */
.fuerza-dtf-container .files-list-wrapper {
    max-height: 80vh; 
    overflow-y: auto !important;
}

/* --- Estilos para nuevos elementos de UI --- */
.calculate-btn-floating {
    background-color: var(--warning-color);
    animation: needs-recalc-glow 1.5s infinite ease-in-out;
    color: white;
    border: none;
    padding: 12px 15px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: bold;
    text-transform: uppercase;
    position: sticky;
    top: 10px;
    z-index: 10;
    width: calc(100% - 16px);
    margin: 0 8px 10px;
}

.client-error-message {
    color: var(--danger-color);
    font-weight: bold;
    font-size: 0.9em;
    margin-bottom: 10px;
    padding: 8px;
    background-color: #f8d7da;
    border-radius: 4px;
    border: 1px solid #f5c6cb;
    text-align: center;
}