/**
 * Serigrafía MAD - Personalizador Estilo Spreadshirt
 * Diseño limpio y profesional
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ========================================
   Variables
   ======================================== */
:root {
    --sp-primary: #e94560;
    --sp-primary-dark: #d63850;
    --sp-dark: #1a1a2e;
    --sp-gray-50: #fafafa;
    --sp-gray-100: #f4f4f5;
    --sp-gray-200: #e4e4e7;
    --sp-gray-300: #d4d4d8;
    --sp-gray-400: #a1a1aa;
    --sp-gray-500: #71717a;
    --sp-gray-600: #52525b;
    --sp-gray-700: #3f3f46;
    --sp-gray-800: #27272a;
    --sp-success: #22c55e;
    --sp-warning: #f59e0b;
    --sp-radius: 8px;
    --sp-shadow: 0 1px 3px rgba(0,0,0,0.1);
    --sp-shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
    --sp-transition: all 0.2s ease;
}

/* ========================================
   Reset & Base
   ======================================== */
.serigrafia-designer {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--sp-gray-100);
    min-height: 100vh;
    color: var(--sp-gray-800);
    line-height: 1.5;
}

.serigrafia-designer * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ========================================
   Layout Principal
   ======================================== */
.serigrafia-designer-main {
    display: flex;
    min-height: 100vh;
}

/* ========================================
   Sidebar (Panel Izquierdo)
   ======================================== */
.serigrafia-sidebar {
    width: 380px;
    background: #fff;
    border-right: 1px solid var(--sp-gray-200);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    box-shadow: var(--sp-shadow-lg);
    z-index: 10;
}

.serigrafia-sidebar-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--sp-gray-200);
    background: var(--sp-dark);
    color: #fff;
}

.serigrafia-sidebar-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
}

/* Tabs */
.serigrafia-tabs {
    display: flex;
    border-bottom: 1px solid var(--sp-gray-200);
    background: var(--sp-gray-50);
}

.serigrafia-tab {
    flex: 1;
    padding: 14px 10px;
    border: none;
    background: none;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sp-gray-500);
    cursor: pointer;
    transition: var(--sp-transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    border-bottom: 3px solid transparent;
    margin-bottom: -1px;
}

.serigrafia-tab span {
    font-size: 1.2rem;
}

.serigrafia-tab:hover {
    color: var(--sp-gray-700);
    background: var(--sp-gray-100);
}

.serigrafia-tab.active {
    color: var(--sp-primary);
    border-bottom-color: var(--sp-primary);
    background: #fff;
}

/* Tab Content */
.serigrafia-tab-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px 24px;
}

.serigrafia-tab-panel {
    display: none;
}

.serigrafia-tab-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Option Groups */
.serigrafia-option-group {
    margin-bottom: 24px;
}

.serigrafia-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--sp-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

/* Tipo de Prenda Buttons */
.serigrafia-tipo-btns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.serigrafia-tipo-btn {
    padding: 16px 12px;
    border: 2px solid var(--sp-gray-200);
    background: #fff;
    border-radius: var(--sp-radius);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--sp-gray-700);
    cursor: pointer;
    transition: var(--sp-transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.serigrafia-tipo-btn span {
    font-size: 0.75rem;
    color: var(--sp-primary);
    font-weight: 500;
}

.serigrafia-tipo-btn:hover {
    border-color: var(--sp-primary);
}

.serigrafia-tipo-btn.active {
    border-color: var(--sp-primary);
    background: rgba(233, 69, 96, 0.05);
    color: var(--sp-primary);
}

/* Select */
.serigrafia-select {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--sp-gray-200);
    border-radius: var(--sp-radius);
    font-size: 0.9rem;
    color: var(--sp-gray-700);
    background: #fff;
    cursor: pointer;
    transition: var(--sp-transition);
}

.serigrafia-select:focus {
    outline: none;
    border-color: var(--sp-primary);
}

/* Color Grid */
.serigrafia-color-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.serigrafia-color-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 3px solid transparent;
    cursor: pointer;
    transition: var(--sp-transition);
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.1);
}

.serigrafia-color-btn:hover {
    transform: scale(1.1);
}

.serigrafia-color-btn.active {
    border-color: var(--sp-primary);
    box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--sp-primary);
}

/* Colores */
.serigrafia-color-btn[data-color="blanco"] { background: #fff; }
.serigrafia-color-btn[data-color="negro"] { background: #1a1a1a; }
.serigrafia-color-btn[data-color="gris"] { background: #6b7280; }
.serigrafia-color-btn[data-color="azul_marino"] { background: #1e3a5f; }
.serigrafia-color-btn[data-color="rojo"] { background: #dc2626; }
.serigrafia-color-btn[data-color="verde"] { background: #16a34a; }
.serigrafia-color-btn[data-color="amarillo"] { background: #facc15; }
.serigrafia-color-btn[data-color="naranja"] { background: #ea580c; }
.serigrafia-color-btn[data-color="rosa"] { background: #ec4899; }
.serigrafia-color-btn[data-color="morado"] { background: #7c3aed; }
.serigrafia-color-btn[data-color="beige"] { background: #d4a574; }

/* Vista Buttons */
.serigrafia-vista-btns {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

.serigrafia-vista-btn {
    padding: 10px 6px;
    border: 2px solid var(--sp-gray-200);
    background: #fff;
    border-radius: var(--sp-radius);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--sp-gray-600);
    cursor: pointer;
    transition: var(--sp-transition);
}

.serigrafia-vista-btn:hover {
    border-color: var(--sp-gray-400);
}

.serigrafia-vista-btn.active {
    border-color: var(--sp-primary);
    background: var(--sp-primary);
    color: #fff;
}

/* Técnica List */
.serigrafia-tecnica-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.serigrafia-tecnica-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border: 2px solid var(--sp-gray-200);
    border-radius: var(--sp-radius);
    cursor: pointer;
    transition: var(--sp-transition);
}

.serigrafia-tecnica-option:hover {
    border-color: var(--sp-gray-400);
}

.serigrafia-tecnica-option input {
    width: 18px;
    height: 18px;
    accent-color: var(--sp-primary);
}

.serigrafia-tecnica-option input:checked ~ .serigrafia-tecnica-info strong {
    color: var(--sp-primary);
}

.serigrafia-tecnica-option:has(input:checked) {
    border-color: var(--sp-primary);
    background: rgba(233, 69, 96, 0.03);
}

.serigrafia-tecnica-info {
    display: flex;
    flex-direction: column;
}

.serigrafia-tecnica-info strong {
    font-size: 0.85rem;
    color: var(--sp-gray-700);
}

.serigrafia-tecnica-info small {
    font-size: 0.75rem;
    color: var(--sp-gray-500);
}

/* Upload Box */
.serigrafia-upload-box {
    border: 2px dashed var(--sp-gray-300);
    border-radius: var(--sp-radius);
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: var(--sp-transition);
    background: var(--sp-gray-50);
}

.serigrafia-upload-box:hover,
.serigrafia-upload-box.dragover {
    border-color: var(--sp-primary);
    background: rgba(233, 69, 96, 0.03);
}

.serigrafia-upload-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 10px;
}

.serigrafia-upload-box p {
    font-size: 0.9rem;
    color: var(--sp-gray-600);
    margin-bottom: 8px;
}

.serigrafia-upload-box small {
    color: var(--sp-gray-500);
}

.serigrafia-upload-formats {
    font-size: 0.75rem;
    color: var(--sp-gray-400);
    display: block;
    margin-top: 8px;
}

.serigrafia-upload-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.serigrafia-upload-preview img {
    max-width: 120px;
    max-height: 120px;
    object-fit: contain;
    border-radius: var(--sp-radius);
    border: 1px solid var(--sp-gray-200);
}

.serigrafia-upload-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.serigrafia-img-dims {
    font-size: 0.8rem;
    color: var(--sp-gray-600);
    background: var(--sp-gray-100);
    padding: 4px 10px;
    border-radius: 20px;
}

.serigrafia-remove-img {
    font-size: 0.8rem;
    color: var(--sp-primary);
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 8px;
}

.serigrafia-remove-img:hover {
    text-decoration: underline;
}

/* Design Controls */
.serigrafia-size-slider {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--sp-gray-50);
    border-radius: var(--sp-radius);
}

.serigrafia-size-slider span {
    font-size: 0.85rem;
    color: var(--sp-gray-600);
}

.serigrafia-size-slider input[type="range"] {
    flex: 1;
    accent-color: var(--sp-primary);
}

#serigrafia-size-value {
    font-weight: 600;
    color: var(--sp-primary);
    min-width: 45px;
    text-align: right;
}

.serigrafia-hint {
    font-size: 0.8rem;
    color: var(--sp-gray-500);
    margin-top: 10px;
    padding: 10px;
    background: #fffbeb;
    border-radius: var(--sp-radius);
    border-left: 3px solid var(--sp-warning);
}

/* Quantity Controls */
.serigrafia-qty-control {
    display: flex;
    align-items: center;
    gap: 0;
    border: 2px solid var(--sp-gray-200);
    border-radius: var(--sp-radius);
    overflow: hidden;
    width: fit-content;
}

.serigrafia-qty-control .serigrafia-qty-btn {
    width: 44px;
    height: 44px;
    border: none;
    background: var(--sp-gray-100);
    font-size: 1.2rem;
    color: var(--sp-gray-700);
    cursor: pointer;
    transition: var(--sp-transition);
}

.serigrafia-qty-control .serigrafia-qty-btn:hover {
    background: var(--sp-primary);
    color: #fff;
}

.serigrafia-qty-input {
    width: 70px;
    height: 44px;
    border: none;
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
    color: var(--sp-gray-800);
}

.serigrafia-qty-input:focus {
    outline: none;
}

.serigrafia-qty-note {
    display: block;
    margin-top: 8px;
    font-size: 0.8rem;
    color: var(--sp-gray-500);
}

/* Discounts */
.serigrafia-discounts {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.serigrafia-discount-item {
    flex: 1;
    padding: 10px;
    background: #ecfdf5;
    border-radius: var(--sp-radius);
    text-align: center;
}

.serigrafia-discount-item span {
    display: block;
    font-size: 0.75rem;
    color: var(--sp-gray-600);
}

.serigrafia-discount-item strong {
    color: var(--sp-success);
    font-size: 0.9rem;
}

/* Tallas Grid */
.serigrafia-tallas-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.serigrafia-talla-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.serigrafia-talla-item span {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--sp-gray-600);
}

.serigrafia-talla-item input {
    width: 50px;
    height: 36px;
    border: 2px solid var(--sp-gray-200);
    border-radius: var(--sp-radius);
    text-align: center;
    font-size: 0.9rem;
}

.serigrafia-talla-item input:focus {
    outline: none;
    border-color: var(--sp-primary);
}

/* Price Box */
.serigrafia-price-box {
    padding: 20px 24px;
    background: var(--sp-gray-50);
    border-top: 1px solid var(--sp-gray-200);
}

.serigrafia-price-box .serigrafia-price-row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 0.9rem;
    color: var(--sp-gray-600);
}

.serigrafia-price-box .serigrafia-price-total {
    border-top: 1px solid var(--sp-gray-200);
    margin-top: 8px;
    padding-top: 12px;
    font-size: 1.1rem;
}

.serigrafia-price-box .serigrafia-price-total strong {
    color: var(--sp-primary);
    font-size: 1.3rem;
}

.serigrafia-price-box small {
    display: block;
    text-align: right;
    color: var(--sp-gray-500);
    font-size: 0.8rem;
    margin-top: 6px;
}

/* Add to Cart Button */
.serigrafia-add-cart-btn {
    width: 100%;
    padding: 16px;
    margin: 0;
    border: none;
    background: linear-gradient(135deg, var(--sp-primary) 0%, var(--sp-primary-dark) 100%);
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--sp-transition);
}

.serigrafia-add-cart-btn:hover {
    background: linear-gradient(135deg, var(--sp-primary-dark) 0%, #c02040 100%);
}

.serigrafia-add-cart-btn:disabled {
    background: var(--sp-gray-400);
    cursor: not-allowed;
}

/* ========================================
   Canvas Area (Área Central)
   ======================================== */
.serigrafia-canvas-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    position: relative;
    background: linear-gradient(180deg, #f8f8f8 0%, #ececec 100%);
}

/* Quick Views */
.serigrafia-quick-views {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 8px;
}

.serigrafia-qv-btn {
    width: 44px;
    height: 44px;
    border: 2px solid var(--sp-gray-300);
    background: #fff;
    border-radius: var(--sp-radius);
    cursor: pointer;
    transition: var(--sp-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sp-gray-500);
}

.serigrafia-qv-btn svg {
    width: 24px;
    height: 24px;
}

.serigrafia-qv-btn:hover {
    border-color: var(--sp-gray-400);
    color: var(--sp-gray-700);
}

.serigrafia-qv-btn.active {
    border-color: var(--sp-primary);
    color: var(--sp-primary);
    background: rgba(233, 69, 96, 0.05);
}

/* Garment Wrapper */
.serigrafia-garment-wrapper {
    position: relative;
    width: 100%;
    max-width: 500px;
    aspect-ratio: 4/5;
    display: flex;
    align-items: center;
    justify-content: center;
}

.serigrafia-garment {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.serigrafia-garment img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 10px 30px rgba(0,0,0,0.15));
}

.serigrafia-garment-placeholder {
    text-align: center;
    color: var(--sp-gray-400);
}

.serigrafia-garment-placeholder span {
    font-size: 6rem;
    display: block;
    margin-bottom: 15px;
    opacity: 0.5;
}

.serigrafia-garment-placeholder p {
    font-size: 1rem;
    line-height: 1.6;
}

/* Print Zone */
.serigrafia-print-zone {
    position: absolute;
    border: 2px dashed rgba(233, 69, 96, 0.4);
    background: rgba(233, 69, 96, 0.02);
    border-radius: 8px;
    pointer-events: none;
    transition: var(--sp-transition);
    display: none;
}

.serigrafia-print-zone.active {
    display: block;
    border-color: var(--sp-primary);
    background: rgba(233, 69, 96, 0.05);
}

/* Draggable Design */
.serigrafia-draggable-design {
    position: absolute;
    cursor: move;
    user-select: none;
    -webkit-user-select: none;
    pointer-events: auto;
    z-index: 100;
    transition: box-shadow 0.2s, transform 0.1s;
}

.serigrafia-draggable-design img {
    width: 100%;
    height: auto;
    display: block;
    filter: drop-shadow(0 4px 10px rgba(0,0,0,0.25));
}

.serigrafia-draggable-design:hover,
.serigrafia-draggable-design.dragging {
    box-shadow: 0 0 0 3px var(--sp-primary);
    border-radius: 4px;
}

.serigrafia-draggable-design.dragging {
    cursor: grabbing;
    transform: scale(1.02);
}

/* Resize Handle */
.serigrafia-resize-handle {
    position: absolute;
    bottom: -10px;
    right: -10px;
    width: 24px;
    height: 24px;
    background: var(--sp-primary);
    border: 2px solid #fff;
    border-radius: 50%;
    cursor: nwse-resize;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: #fff;
}

/* Zone Info */
.serigrafia-zone-info {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    background: #fff;
    padding: 10px 20px;
    border-radius: 30px;
    box-shadow: var(--sp-shadow);
}

.serigrafia-zone-info span {
    font-size: 0.85rem;
    color: var(--sp-gray-600);
}

.serigrafia-zone-info span:first-child {
    font-weight: 600;
    color: var(--sp-gray-800);
}

/* ========================================
   Notificaciones
   ======================================== */
.serigrafia-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 14px 24px;
    border-radius: var(--sp-radius);
    color: #fff;
    font-weight: 500;
    z-index: 10000;
    animation: slideIn 0.3s ease;
    box-shadow: var(--sp-shadow-lg);
}

.serigrafia-notification.success {
    background: var(--sp-success);
}

.serigrafia-notification.error {
    background: #ef4444;
}

@keyframes slideIn {
    from { transform: translateX(100px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ========================================
   Loading
   ======================================== */
.serigrafia-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.serigrafia-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 24px;
    margin: -12px 0 0 -12px;
    border: 3px solid var(--sp-gray-300);
    border-top-color: var(--sp-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .serigrafia-designer-main {
        flex-direction: column-reverse;
    }
    
    .serigrafia-sidebar {
        width: 100%;
        max-height: 50vh;
        border-right: none;
        border-top: 1px solid var(--sp-gray-200);
    }
    
    .serigrafia-canvas-area {
        padding: 20px;
        min-height: 50vh;
    }
    
    .serigrafia-garment-wrapper {
        max-width: 350px;
    }
}

@media (max-width: 640px) {
    .serigrafia-tabs {
        overflow-x: auto;
    }
    
    .serigrafia-tab-content {
        padding: 15px;
    }
    
    .serigrafia-tipo-btns,
    .serigrafia-vista-btns {
        grid-template-columns: 1fr 1fr;
    }
    
    .serigrafia-tallas-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}