/**
 * DTF Europe Cut System v3.1.0 - Frontend
 */

:root {
    --dtf-primary: #2563eb;
    --dtf-primary-dark: #1d4ed8;
    --dtf-success: #10b981;
    --dtf-warning: #f59e0b;
    --dtf-danger: #ef4444;
    --dtf-gray-50: #f9fafb;
    --dtf-gray-100: #f3f4f6;
    --dtf-gray-200: #e5e7eb;
    --dtf-gray-300: #d1d5db;
    --dtf-gray-400: #9ca3af;
    --dtf-gray-500: #6b7280;
    --dtf-gray-600: #4b5563;
    --dtf-gray-700: #374151;
    --dtf-gray-800: #1f2937;
    --dtf-gray-900: #111827;
    --dtf-radius: 8px;
    --dtf-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.dtf-app * { box-sizing: border-box; }
.dtf-app { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; font-size: 14px; line-height: 1.5; color: var(--dtf-gray-800); }

.dtf-layout { display: grid; grid-template-columns: 360px 1fr 320px; gap: 20px; max-width: 1700px; margin: 0 auto; padding: 20px; }
.dtf-panel { background: white; border-radius: var(--dtf-radius); box-shadow: var(--dtf-shadow); overflow: hidden; }
.dtf-panel-header { padding: 16px 20px; border-bottom: 1px solid var(--dtf-gray-200); background: var(--dtf-gray-50); }
.dtf-panel-header h2 { margin: 0 0 4px 0; font-size: 16px; font-weight: 600; }
.dtf-panel-header p { margin: 0; font-size: 12px; color: var(--dtf-gray-500); }

/* Diseños Panel */
.dtf-designs-panel { display: flex; flex-direction: column; max-height: calc(100vh - 100px); }
.dtf-designs-list { flex: 1; overflow-y: auto; padding: 15px; }
.dtf-design-card { background: var(--dtf-gray-50); border: 1px solid var(--dtf-gray-200); border-radius: var(--dtf-radius); margin-bottom: 12px; }
.dtf-design-card.dtf-complete { border-color: var(--dtf-success); background: #f0fdf4; }
.dtf-design-header { display: flex; justify-content: space-between; align-items: center; padding: 10px 12px; background: var(--dtf-gray-100); border-bottom: 1px solid var(--dtf-gray-200); }
.dtf-design-num { font-weight: 600; font-size: 13px; }
.dtf-design-remove { background: none; border: none; padding: 4px; cursor: pointer; color: var(--dtf-gray-400); border-radius: 4px; }
.dtf-design-remove:hover { color: var(--dtf-danger); background: #fee2e2; }
.dtf-design-body { padding: 12px; }

/* Upload */
.dtf-upload-zone { position: relative; margin-bottom: 10px; }
.dtf-file-input { position: absolute; top: 0; left: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; z-index: 2; }
.dtf-upload-placeholder { border: 2px dashed var(--dtf-gray-300); border-radius: var(--dtf-radius); padding: 20px; text-align: center; background: white; }
.dtf-upload-zone:hover .dtf-upload-placeholder, .dtf-upload-zone.dtf-dragover .dtf-upload-placeholder { border-color: var(--dtf-primary); background: #eff6ff; }
.dtf-upload-placeholder svg { color: var(--dtf-gray-400); margin-bottom: 8px; }
.dtf-upload-placeholder p { margin: 0; font-size: 13px; color: var(--dtf-gray-600); }
.dtf-upload-placeholder small { color: var(--dtf-gray-400); font-size: 11px; }
.dtf-upload-progress { padding: 15px; text-align: center; background: white; border-radius: var(--dtf-radius); border: 1px solid var(--dtf-gray-200); }
.dtf-progress-bar { height: 4px; background: var(--dtf-gray-200); border-radius: 2px; overflow: hidden; margin-bottom: 8px; }
.dtf-progress-bar::after { content: ''; display: block; height: 100%; width: 30%; background: var(--dtf-primary); animation: dtf-progress 1s ease-in-out infinite; }
@keyframes dtf-progress { 0% { transform: translateX(-100%); } 100% { transform: translateX(400%); } }
.dtf-upload-preview { display: flex; align-items: center; gap: 10px; padding: 10px; background: white; border: 1px solid var(--dtf-success); border-radius: var(--dtf-radius); }
.dtf-preview-img { width: 50px; height: 50px; object-fit: contain; background: var(--dtf-gray-100); border-radius: 4px; }
.dtf-file-info { flex: 1; min-width: 0; }
.dtf-file-name { display: block; font-size: 12px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dtf-change-file { background: none; border: none; padding: 0; font-size: 11px; color: var(--dtf-primary); cursor: pointer; text-decoration: underline; }

/* Info imagen detectada */
.dtf-image-info { background: linear-gradient(135deg, #f0f7ff 0%, #e8f4ff 100%); padding: 8px 12px; border-radius: 6px; margin-bottom: 10px; border: 1px solid #d0e3ff; }
.dtf-info-grid { display: flex; gap: 15px; font-size: 11px; color: var(--dtf-gray-600); }
.dtf-info-item strong { color: var(--dtf-gray-700); }

/* Medidas SOLO LECTURA con botón rotar */
.dtf-measures-section { margin-bottom: 12px; }
.dtf-measures-label { display: block; font-size: 12px; font-weight: 600; color: var(--dtf-gray-600); margin-bottom: 8px; }
.dtf-measures-display { 
    display: flex; 
    align-items: center; 
    gap: 12px;
    background: var(--dtf-gray-100);
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid var(--dtf-gray-200);
}
.dtf-size-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--dtf-gray-800);
    flex: 1;
}

/* Botón rotar */
.dtf-rotate-btn { 
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border: 1px solid var(--dtf-gray-300); 
    background: white; 
    border-radius: 6px; 
    cursor: pointer;
    color: var(--dtf-gray-600);
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
}
.dtf-rotate-btn:hover { 
    background: var(--dtf-primary); 
    color: white; 
    border-color: var(--dtf-primary);
}
.dtf-rotate-btn svg {
    transition: transform 0.3s;
}
.dtf-rotate-btn:hover svg {
    transform: rotate(90deg);
}

/* Cantidad */
.dtf-quantity-row { display: flex; align-items: center; justify-content: space-between; }
.dtf-quantity-row label { font-size: 13px; font-weight: 500; color: var(--dtf-gray-600); }
.dtf-qty-control { display: flex; align-items: center; background: white; border: 1px solid var(--dtf-gray-300); border-radius: 6px; overflow: hidden; }
.dtf-qty-btn { width: 32px; height: 32px; border: none; background: var(--dtf-gray-100); color: var(--dtf-gray-600); font-size: 16px; font-weight: 600; cursor: pointer; }
.dtf-qty-btn:hover { background: var(--dtf-gray-200); }
.dtf-qty-input { width: 60px; border: none; text-align: center; font-size: 14px; font-weight: 600; padding: 6px; }
.dtf-qty-input:focus { outline: none; }

/* Botones */
.dtf-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 20px; border: none; border-radius: var(--dtf-radius); font-size: 14px; font-weight: 600; cursor: pointer; transition: all 0.2s; }
.dtf-btn-add { width: calc(100% - 30px); margin: 0 15px 15px; background: var(--dtf-primary); color: white; }
.dtf-btn-add:hover { background: var(--dtf-primary-dark); }
.dtf-btn-sm { padding: 6px 12px; font-size: 12px; background: white; border: 1px solid var(--dtf-gray-300); }
.dtf-btn-sm:hover { background: var(--dtf-gray-100); }
.dtf-btn-sm.dtf-btn-primary { background: var(--dtf-primary); color: white; border-color: var(--dtf-primary); }
.dtf-btn-sm.dtf-btn-primary:hover { background: var(--dtf-primary-dark); }
.dtf-btn-sm.dtf-btn-active { background: var(--dtf-success); color: white; border-color: var(--dtf-success); }
.dtf-btn-cart { width: 100%; padding: 14px 20px; background: var(--dtf-success); color: white; font-size: 15px; }
.dtf-btn-cart:hover:not(:disabled) { background: #059669; }
.dtf-btn-cart:disabled { background: var(--dtf-gray-300); cursor: not-allowed; }

/* Entrega */
.dtf-delivery-section { padding: 15px; border-top: 1px solid var(--dtf-gray-200); }
.dtf-delivery-section h3 { margin: 0 0 10px 0; font-size: 14px; font-weight: 600; }
.dtf-delivery-options { display: flex; gap: 10px; }
.dtf-delivery-opt { flex: 1; cursor: pointer; }
.dtf-delivery-opt input { display: none; }
.dtf-opt-box { display: block; padding: 12px; background: white; border: 2px solid var(--dtf-gray-200); border-radius: var(--dtf-radius); text-align: center; }
.dtf-delivery-opt input:checked + .dtf-opt-box { border-color: var(--dtf-primary); background: #eff6ff; }
.dtf-opt-title { display: block; font-weight: 600; font-size: 13px; }
.dtf-opt-desc { display: block; font-size: 11px; color: var(--dtf-gray-500); margin-top: 2px; }
.dtf-badge { display: inline-block; padding: 2px 6px; background: var(--dtf-warning); color: white; font-size: 10px; font-weight: 600; border-radius: 4px; }

/* Canvas Panel */
.dtf-canvas-panel { display: flex; flex-direction: column; position: relative; }
.dtf-canvas-controls { display: flex; align-items: center; gap: 8px; padding: 10px 15px; border-bottom: 1px solid var(--dtf-gray-200); background: var(--dtf-gray-50); flex-wrap: wrap; }
.dtf-zoom-controls { display: flex; align-items: center; gap: 4px; margin-left: auto; }
#dtf-zoom-level { font-size: 12px; color: var(--dtf-gray-500); min-width: 40px; text-align: center; }
.dtf-canvas-container { flex: 1; position: relative; overflow: auto; background: var(--dtf-gray-100); min-height: 500px; }
.dtf-canvas-wrapper { display: flex; gap: 20px; padding: 30px 20px 20px; min-height: 100%; }
.dtf-canvas-empty { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); text-align: center; color: var(--dtf-gray-400); }
.dtf-canvas-empty p { margin: 10px 0 0 0; font-size: 14px; }
.dtf-meter-canvas { flex-shrink: 0; background: white; border: 2px solid var(--dtf-gray-300); border-radius: 4px; box-shadow: var(--dtf-shadow); position: relative; }
.dtf-meter-label { position: absolute; top: -24px; left: 0; font-size: 11px; font-weight: 600; background: var(--dtf-primary); color: white; padding: 3px 10px; border-radius: 4px 4px 0 0; }
.dtf-canvas-info { display: flex; gap: 15px; padding: 10px 15px; border-top: 1px solid var(--dtf-gray-200); background: var(--dtf-gray-50); font-size: 11px; color: var(--dtf-gray-600); flex-wrap: wrap; }

/* Lupa - estilos ya definidos arriba */

/* OPOs en canvas - MÁS VISIBLES */
.dtf-opo { 
    position: absolute;
    border-radius: 50%;
    background: #000;
    box-shadow: 0 0 0 2px white, 0 0 0 3px #000;
    z-index: 5;
}

/* Área útil */
.dtf-usable-area { 
    position: absolute;
    box-sizing: border-box;
    border: 1px dashed rgba(0,0,0,0.15);
    pointer-events: none;
}

/* Recuadro de corte (con bleed) */
.dtf-cut-box {
    position: absolute;
    box-sizing: border-box;
    border-style: solid;
    background: rgba(255,255,255,0.3);
    transition: box-shadow 0.2s;
}
.dtf-cut-box:hover {
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.5);
    z-index: 10;
}

/* Imagen dentro del recuadro de corte */
.dtf-img-box {
    position: absolute;
    overflow: hidden;
    background: white;
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.1);
}
.dtf-img-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* Lupa mejorada */
.dtf-magnifier {
    position: absolute;
    width: 200px;
    height: 200px;
    background: white;
    border: 3px solid var(--dtf-primary);
    border-radius: 50%;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    overflow: hidden;
    z-index: 100;
    pointer-events: none;
}
.dtf-magnifier::before {
    content: '🔍';
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 16px;
    background: var(--dtf-primary);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
    white-space: nowrap;
}
.dtf-magnifier-content { 
    width: 100%; 
    height: 100%; 
    overflow: hidden;
    position: relative;
    border-radius: 50%;
}
.dtf-magnifier-content .dtf-meter-canvas {
    margin: 0 !important;
}

/* Toast warning */
.dtf-toast.dtf-toast-warning { background: var(--dtf-warning); }

/* Indicador de separación */
.dtf-spacing-line {
    position: absolute;
    background: repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(255,0,255,0.2) 2px, rgba(255,0,255,0.2) 4px);
    pointer-events: none;
}

/* Resumen Panel */
.dtf-summary-panel { position: sticky; top: 20px; max-height: calc(100vh - 40px); overflow-y: auto; }
.dtf-summary-box { padding: 20px; }
.dtf-summary-box h2 { margin: 0 0 15px 0; font-size: 16px; font-weight: 600; }
.dtf-summary-designs { min-height: 40px; margin-bottom: 15px; }
.dtf-empty-msg { text-align: center; color: var(--dtf-gray-400); font-size: 13px; padding: 15px; }
.dtf-summary-item { display: flex; justify-content: space-between; align-items: center; padding: 8px 10px; background: var(--dtf-gray-50); border-radius: 4px; margin-bottom: 6px; font-size: 12px; }
.dtf-summary-item-name { font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 140px; }
.dtf-summary-item-info { color: var(--dtf-gray-500); font-size: 11px; }
.dtf-summary-meters { padding: 12px; background: var(--dtf-primary); color: white; border-radius: var(--dtf-radius); margin-bottom: 15px; }
.dtf-meter-bar { display: flex; justify-content: space-between; align-items: center; }
.dtf-meters-value { font-size: 20px; font-weight: 700; }
.dtf-meter-breakdown { margin-top: 8px; font-size: 11px; opacity: 0.9; }
.dtf-price-table { margin-bottom: 15px; }
.dtf-price-table h4 { margin: 0 0 8px 0; font-size: 12px; font-weight: 600; color: var(--dtf-gray-600); }
.dtf-price-table table { width: 100%; font-size: 12px; border-collapse: collapse; }
.dtf-price-table th, .dtf-price-table td { padding: 6px 8px; text-align: left; border-bottom: 1px solid var(--dtf-gray-200); }
.dtf-price-table th { background: var(--dtf-gray-50); font-weight: 600; color: var(--dtf-gray-600); }
.dtf-price-table tr.dtf-active-range { background: #eff6ff; }
.dtf-price-table tr.dtf-active-range td { color: var(--dtf-primary); font-weight: 600; }
.dtf-minimum-notice { padding: 10px 12px; background: #fef3c7; border: 1px solid #fcd34d; border-radius: var(--dtf-radius); margin-bottom: 15px; font-size: 12px; color: #92400e; }
.dtf-minimum-notice.dtf-minimum-ok { background: #d1fae5; border-color: #6ee7b7; color: #065f46; }
.dtf-totals { border-top: 1px solid var(--dtf-gray-200); padding-top: 15px; margin-bottom: 15px; }
.dtf-total-row { display: flex; justify-content: space-between; align-items: center; padding: 6px 0; font-size: 13px; }
.dtf-total-final { font-size: 18px; font-weight: 700; border-top: 2px solid var(--dtf-gray-200); margin-top: 8px; padding-top: 12px; }
.dtf-tax-note { display: block; text-align: right; font-size: 11px; color: var(--dtf-gray-400); }

/* Toast */
.dtf-toast { position: fixed; top: 20px; right: 20px; padding: 12px 20px; background: var(--dtf-gray-800); color: white; border-radius: var(--dtf-radius); font-size: 14px; z-index: 10000; }
.dtf-toast.dtf-toast-success { background: var(--dtf-success); }
.dtf-toast.dtf-toast-error { background: var(--dtf-danger); }

/* Mobile */
.dtf-mobile-bar { display: none; position: fixed; bottom: 0; left: 0; right: 0; background: white; padding: 12px 15px; box-shadow: 0 -2px 10px rgba(0,0,0,0.1); z-index: 1000; }
.dtf-mobile-info { display: flex; justify-content: space-between; margin-bottom: 10px; font-size: 14px; font-weight: 600; }

/* Responsive */
@media (max-width: 1200px) { .dtf-layout { grid-template-columns: 320px 1fr 280px; gap: 15px; } }
@media (max-width: 992px) {
    .dtf-layout { grid-template-columns: 1fr; }
    .dtf-canvas-panel { order: 2; }
    .dtf-designs-panel { order: 1; max-height: none; }
    .dtf-summary-panel { order: 3; position: static; max-height: none; display: none; }
    .dtf-mobile-bar { display: block; }
    .dtf-app { padding-bottom: 100px; }
}
@media (max-width: 600px) { 
    .dtf-layout { padding: 10px; } 
    .dtf-delivery-options { flex-direction: column; }
    .dtf-canvas-controls { gap: 5px; }
    .dtf-canvas-controls .dtf-btn-sm { padding: 5px 8px; font-size: 11px; }
}