:root {
    --bg-dark: #0f172a;
    --card-bg: #1e293b;
    --input-bg: #0f172a;
    --border-color: #334155;
    --primary-red: #e11d48;
    --primary-red-hover: #f43f5e;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

/* NUEVO: el atributo hidden siempre gana sobre cualquier display */
[hidden] {
    display: none !important;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    padding: 20px;
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto 20px auto;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.badge {
    background: var(--primary-red);
    color: white;
    font-weight: 800;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 14px;
}

.header-actions {
    display: flex;
    gap: 10px;
}

/* Botones */
.btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

.btn-primary {
    background: var(--primary-red);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-red-hover);
}

.btn-secondary {
    background: #334155;
    color: white;
}

.btn-secondary:hover {
    background: #475569;
}

.btn-icon {
    background: var(--primary-red);
    color: white;
    padding: 10px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: wait;
}

/* Layout */
.main-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    max-width: 1400px;
    margin: 0 auto;
}

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

.controls-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Tarjetas */
.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border-color);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.card-header h2 {
    font-size: 16px;
    font-weight: 700;
}

.icon-red {
    color: var(--primary-red);
}

.flex-between {
    justify-content: space-between;
}

.flex-align {
    display: flex;
    align-items: center;
    gap: 10px;
}

.text-muted {
    color: var(--text-muted);
    font-size: 12px;
}

/* Formularios e Inputs */
.search-controls {
    display: flex;
    gap: 10px;
}

input[type="text"], input[type="number"], select {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: white;
    padding: 10px 14px;
    border-radius: 8px;
    outline: none;
    font-size: 14px;
}

input[type="text"]:focus, input[type="number"]:focus, select:focus {
    border-color: var(--primary-red);
}

.search-controls input {
    flex: 1;
    min-width: 0;
}

.grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

.grid-3col {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

/* NUEVO: presets de color por temporada */
.preset-group {
    margin-bottom: 15px;
}

.presets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 10px;
}

.preset-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 10px 8px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-main);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.preset-btn:hover {
    border-color: var(--primary-red);
}

.preset-btn.active {
    border-color: var(--primary-red);
    box-shadow: 0 0 0 1px var(--primary-red);
}

.preset-chips {
    display: flex;
    gap: 3px;
}

.preset-chips i {
    display: block;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.25);
}

/* Cuatro selectores de color: 2 por fila */
.colors-row {
    grid-template-columns: 1fr 1fr;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

input[type="color"] {
    width: 100%;
    height: 38px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--input-bg);
    cursor: pointer;
}

/* Switch */
.toggle-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
}

/* NUEVO: separación entre interruptores consecutivos */
.toggle-row + .toggle-row {
    margin-top: 10px;
}

.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

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

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: #334155;
    transition: .3s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--primary-red);
}

input:checked + .slider:before {
    transform: translateX(20px);
}

/* Lista de Elementos */
.items-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 450px;
    overflow-y: auto;
    padding-right: 5px;
}

.item-row {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--input-bg);
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

/* NUEVO: feedback visual al arrastrar */
.item-row.dragging {
    opacity: 0.4;
}

.item-row.drag-over {
    border-color: var(--primary-red);
}

/* NUEVO: hueco en la fila extra, que no se puede arrastrar */
.drag-spacer {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.drag-handle {
    display: flex;
    flex-shrink: 0;
    cursor: grab;
    color: var(--text-muted);
}

.item-number {
    flex-shrink: 0;
    background: #334155;
    color: white;
    font-weight: bold;
    min-width: 28px;
    height: 28px;
    padding: 0 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    font-size: 13px;
}

/* CAMBIO: ahora es una columna (campos arriba, ajustes de imagen abajo) */
.item-inputs {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 4px;
    min-width: 0;
}

.item-fields {
    display: flex;
    gap: 6px;
    width: 100%;
}

.item-fields input {
    flex: 1;
    min-width: 0;
}

.item-adjust {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    color: var(--text-muted);
    background: var(--card-bg);
    padding: 2px 6px;
    border-radius: 4px;
}

.item-adjust .offset-y-slider {
    flex: 1;
    height: 4px;
}

.item-adjust .scale-slider {
    flex: 0 0 70px;
    height: 4px;
}

.item-error {
    color: #f87171;
    font-size: 11px;
}

.item-warning {
    color: #fbbf24;
    font-size: 11px;
}

.btn-small {
    background: #334155;
    color: white;
    border: none;
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
}

.btn-small:hover {
    background: #475569;
}

.btn-small:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.btn-small:disabled:hover {
    background: #334155;
}

/* NUEVO: flechas para subir / bajar (también sirven en pantallas táctiles) */
.move-btns {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex-shrink: 0;
}

.btn-small.mini {
    padding: 2px 6px;
    line-height: 0;
}

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

/* Resultados de búsqueda */
.search-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 10px;
    margin-top: 15px;
    max-height: 220px;
    overflow-y: auto;
}

.search-card {
    background: var(--input-bg);
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid var(--border-color);
    transition: transform 0.15s ease;
}

.search-card:hover {
    transform: scale(1.03);
    border-color: var(--primary-red);
}

.search-card img {
    width: 100%;
    height: 120px;
    object-fit: cover;
}

.search-card p {
    font-size: 11px;
    padding: 5px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.error-msg {
    color: #f87171;
    font-size: 13px;
    margin-top: 10px;
}

/* Vista Previa Canvas */
.preview-section {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.preview-header {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 12px;
}

.canvas-container {
    background: #000;
    padding: 10px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    max-width: 100%;
}

canvas {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
}

/* Créditos Fijos al final de la columna izquierda */
.app-credits {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--card-bg);
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    font-size: 14px;
    color: var(--text-muted);
}

.app-credits strong {
    color: var(--text-main);
}

/* Estilos para la ventana modal de exportación */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal-content {
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 12px;
    max-width: 95%;
    max-height: 95vh;
    display: flex;
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    color: #ffffff;
}

.modal-instructions {
    font-size: 13px;
    color: #94a3b8;
    margin-bottom: 12px;
    text-align: center;
}

.btn-close {
    background: none;
    border: none;
    color: #ffffff;
    font-size: 24px;
    cursor: pointer;
}

.modal-body-canvas {
    flex: 1;
    overflow: auto;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #0f172a;
    border-radius: 8px;
    padding: 10px;
    max-height: 75vh; /* Limita la altura para que nunca rebase la pantalla */
}

.modal-body-canvas img {
    max-width: 100%;
    max-height: 70vh; /* Ajusta la imagen automáticamente a la pantalla */
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

/* NUEVO: zona del botón de descarga */
.modal-actions {
    display: flex;
    justify-content: center;
    margin-top: 12px;
}

/* NUEVO: pantallas chicas */
@media (max-width: 600px) {
    body {
        padding: 12px;
    }

    .app-header {
        flex-wrap: wrap;
        gap: 10px;
    }

    .grid-2col,
    .grid-3col {
        grid-template-columns: 1fr;
    }

    .item-fields {
        flex-direction: column;
    }
}