/* ===== Reset y estilos base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    min-height: 100vh;
}

/* ===== Encabezado ===== */
.header {
    background-color: #1a1a2e;
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.header-contenido {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
}

.btn-carrito {
    background-color: #e94560;
    color: #fff;
    border: none;
    padding: 0.5rem 1.2rem;
    font-size: 1.1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-carrito:hover {
    background-color: #c73a52;
}

#contador-carrito {
    background-color: #fff;
    color: #e94560;
    border-radius: 50%;
    padding: 0.1rem 0.4rem;
    font-size: 0.8rem;
    font-weight: bold;
    margin-left: 0.3rem;
}

/* ===== Barra de pasos del checkout ===== */
.barra-pasos {
    display: none;
    justify-content: center;
    align-items: center;
    gap: 0;
    padding: 0.8rem 2rem 1rem;
    background-color: #0f3460;
    max-width: 1200px;
    margin: 0 auto;
}

.barra-pasos.visible {
    display: flex;
}

.paso {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
}

.paso-numero {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    transition: background-color 0.3s;
}

.paso-texto {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.3s;
}

.paso.completado .paso-numero {
    background-color: #4caf50;
}

.paso.completado .paso-texto {
    color: #4caf50;
}

.paso.activo .paso-numero {
    background-color: #e94560;
}

.paso.activo .paso-texto {
    color: #e94560;
}

.paso-linea {
    width: 50px;
    height: 2px;
    background-color: rgba(255, 255, 255, 0.2);
    margin: 0 0.8rem;
    margin-bottom: 1rem;
}

.paso-linea.completada {
    background-color: #4caf50;
}

/* ===== Sistema de paginas ===== */
.pagina {
    display: none;
}

.pagina.activa {
    display: block;
}

/* ===== Contenedor generico de paginas del checkout ===== */
.pagina-contenedor {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.pagina-titulo {
    font-size: 1.5rem;
    color: #1a1a2e;
    margin-bottom: 1.5rem;
    text-align: center;
}

/* ===== Filtros ===== */
.filtros {
    max-width: 1200px;
    margin: 2rem auto 1rem;
    padding: 0 2rem;
    text-align: center;
}

.filtros-titulo {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #1a1a2e;
}

.filtros-botones {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.filtro-btn {
    padding: 0.6rem 1.4rem;
    border: 2px solid #1a1a2e;
    background-color: transparent;
    color: #1a1a2e;
    border-radius: 25px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.2s;
}

.filtro-btn:hover {
    background-color: #1a1a2e;
    color: #fff;
}

.filtro-btn.activo {
    background-color: #1a1a2e;
    color: #fff;
}

/* ===== Grilla de productos ===== */
.productos-grid {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.5rem;
}

/* ===== Tarjeta de producto ===== */
.producto-card {
    background-color: #fff;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: transform 0.2s, box-shadow 0.2s;
}

.producto-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.producto-icono {
    font-size: 3rem;
    margin-bottom: 0.8rem;
}

.producto-nombre {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
    color: #1a1a2e;
}

.producto-descripcion {
    font-size: 0.85rem;
    color: #666;
    margin-bottom: 0.8rem;
    line-height: 1.4;
}

.producto-precio {
    font-size: 1.3rem;
    font-weight: 700;
    color: #e94560;
    margin-bottom: 0.3rem;
}

.producto-stock {
    font-size: 0.8rem;
    color: #888;
    margin-bottom: 1rem;
}

.btn-agregar {
    background-color: #0f3460;
    color: #fff;
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.2s;
    width: 100%;
}

.btn-agregar:hover {
    background-color: #1a4a8a;
}

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

/* ===== Cargando ===== */
.cargando {
    text-align: center;
    padding: 3rem;
    font-size: 1.1rem;
    color: #888;
}

/* ===== Pagina Carrito: Tabla ===== */
.carrito-tabla {
    width: 100%;
}

.carrito-tabla-header {
    display: grid;
    grid-template-columns: 60px 2fr 1fr 1fr 1fr 50px;
    gap: 0.5rem;
    padding: 0.8rem 0;
    border-bottom: 2px solid #1a1a2e;
    font-weight: 600;
    font-size: 0.85rem;
    color: #1a1a2e;
    text-align: center;
}

.carrito-fila {
    display: grid;
    grid-template-columns: 60px 2fr 1fr 1fr 1fr 50px;
    gap: 0.5rem;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid #eee;
    text-align: center;
}

.carrito-fila-icono {
    font-size: 1.8rem;
}

.carrito-fila-nombre {
    font-weight: 600;
    font-size: 0.9rem;
    color: #1a1a2e;
    text-align: left;
}

.carrito-fila-precio {
    color: #555;
    font-size: 0.9rem;
}

.carrito-fila-cantidad {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}

.btn-cantidad {
    background-color: #eee;
    border: none;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-cantidad:hover {
    background-color: #ddd;
}

.cantidad-numero {
    font-weight: 600;
    min-width: 20px;
    text-align: center;
}

.carrito-fila-subtotal {
    font-weight: 700;
    color: #e94560;
    font-size: 0.95rem;
}

.btn-eliminar {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    color: #ccc;
    transition: color 0.2s;
}

.btn-eliminar:hover {
    color: #e94560;
}

/* ===== Estado vacio generico ===== */
.estado-vacio {
    text-align: center;
    padding: 3rem 1rem;
    color: #888;
    display: none;
}

.estado-vacio p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

/* ===== Footer de la pagina carrito ===== */
.carrito-pagina-footer {
    margin-top: 1.5rem;
    padding-top: 1.2rem;
    border-top: 2px solid #eee;
}

.carrito-pagina-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.3rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 1rem;
}

.carrito-pagina-total span:last-child {
    color: #e94560;
    font-size: 1.5rem;
}

.carrito-pagina-botones {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* ===== Botones genericos ===== */
.btn-primario {
    background-color: #0f3460;
    color: #fff;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background-color 0.2s;
}

.btn-primario:hover {
    background-color: #1a4a8a;
}

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

.btn-secundario {
    background-color: transparent;
    color: #0f3460;
    border: 1px solid #0f3460;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.2s;
}

.btn-secundario:hover {
    background-color: #0f3460;
    color: #fff;
}

.btn-volver {
    background: none;
    border: none;
    color: #0f3460;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    margin-top: 1.5rem;
    padding: 0;
}

.btn-volver:hover {
    color: #1a4a8a;
}

.btn-volver-tienda {
    background-color: #0f3460;
    color: #fff;
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
}

/* ===== Formularios ===== */
.formulario {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-fila {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-grupo {
    margin-bottom: 0.8rem;
}

.form-grupo-completo {
    grid-column: 1 / -1;
}

.form-grupo label {
    display: block;
    margin-bottom: 0.3rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: #1a1a2e;
}

.form-grupo input,
.form-grupo select {
    width: 100%;
    padding: 0.7rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 0.95rem;
    transition: border-color 0.2s;
    background-color: #fff;
    font-family: inherit;
}

.form-grupo input:focus,
.form-grupo select:focus {
    outline: none;
    border-color: #0f3460;
}

.form-grupo input.error-input,
.form-grupo select.error-input {
    border-color: #e94560;
}

.form-error {
    display: block;
    font-size: 0.8rem;
    color: #e94560;
    margin-top: 0.2rem;
    min-height: 1.2em;
}

.form-botones {
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    margin-top: 1.5rem;
}

/* ===== Opciones de pago ===== */
.opciones-pago {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.opcion-pago {
    cursor: pointer;
}

.opcion-pago input[type="radio"] {
    display: none;
}

.opcion-pago-contenido {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.2rem;
    border: 2px solid #ddd;
    border-radius: 10px;
    transition: border-color 0.2s, background-color 0.2s;
}

.opcion-pago input[type="radio"]:checked + .opcion-pago-contenido {
    border-color: #0f3460;
    background-color: #f0f4ff;
}

.opcion-pago-contenido:hover {
    border-color: #0f3460;
}

.opcion-pago-icono {
    font-size: 1.8rem;
}

.opcion-pago-contenido strong {
    display: block;
    font-size: 0.95rem;
    color: #1a1a2e;
}

.opcion-pago-contenido p {
    font-size: 0.8rem;
    color: #888;
    margin-top: 0.2rem;
}

/* ===== Campos de tarjeta ===== */
.campos-tarjeta {
    padding: 1rem;
    background-color: #f9f9f9;
    border-radius: 8px;
    margin-bottom: 0.5rem;
}

/* ===== Pagina de confirmacion ===== */
.confirmacion-seccion {
    margin-bottom: 1.5rem;
    padding-bottom: 1.2rem;
    border-bottom: 1px solid #eee;
}

.confirmacion-seccion:last-of-type {
    border-bottom: none;
}

.confirmacion-seccion h3 {
    font-size: 1rem;
    color: #1a1a2e;
    margin-bottom: 0.8rem;
}

.confirmacion-lista {
    margin-bottom: 0.8rem;
}

.confirmacion-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0;
    font-size: 0.9rem;
    color: #555;
}

.confirmacion-item span:last-child {
    font-weight: 600;
    color: #333;
}

.confirmacion-total {
    text-align: right;
    font-size: 1.2rem;
    font-weight: 700;
    color: #e94560;
    padding-top: 0.5rem;
    border-top: 1px solid #eee;
}

.confirmacion-info {
    font-size: 0.9rem;
    color: #555;
    line-height: 1.8;
}

.confirmacion-info strong {
    color: #1a1a2e;
}

/* ===== Pagina de exito ===== */
.pagina-exito-contenido {
    text-align: center;
}

.exito-icono {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.exito-titulo {
    font-size: 1.6rem;
    color: #1a1a2e;
    margin-bottom: 0.8rem;
}

.exito-resumen {
    width: 100%;
    text-align: left;
    margin-bottom: 1rem;
}

.exito-dato {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 0;
    border-bottom: 1px solid #eee;
}

.exito-dato-label {
    font-size: 0.9rem;
    color: #888;
    font-weight: 600;
}

.exito-dato-valor {
    font-size: 0.95rem;
    color: #333;
    font-weight: 500;
    text-align: right;
    max-width: 60%;
}

.exito-dato-precio {
    font-size: 1.2rem;
    font-weight: 700;
    color: #4caf50;
}

.exito-detalle {
    background-color: #f9f9f9;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    color: #666;
    font-size: 0.9rem;
}

/* ===== Panel lateral del carrito ===== */
.panel-carrito {
    position: fixed;
    top: 0;
    right: -400px;
    width: 380px;
    max-width: 90vw;
    height: 100vh;
    background-color: #fff;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    z-index: 200;
    display: flex;
    flex-direction: column;
    transition: right 0.3s ease;
}

.panel-carrito.abierto {
    right: 0;
}

.panel-carrito-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 1.5rem;
    border-bottom: 1px solid #eee;
}

.panel-carrito-header h2 {
    font-size: 1.2rem;
    color: #1a1a2e;
}

.btn-cerrar {
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: #888;
    line-height: 1;
}

.btn-cerrar:hover {
    color: #333;
}

.carrito-lista {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 1.5rem;
}

.carrito-vacio {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #aaa;
    font-size: 1rem;
}

/* Item del panel lateral */
.carrito-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 0;
    border-bottom: 1px solid #f0f0f0;
}

.carrito-item-icono {
    font-size: 1.8rem;
}

.carrito-item-info {
    flex: 1;
}

.carrito-item-nombre {
    font-weight: 600;
    font-size: 0.9rem;
    color: #1a1a2e;
}

.carrito-item-precio {
    font-size: 0.85rem;
    color: #e94560;
}

.carrito-item-cantidad {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* Footer del panel */
.panel-carrito-footer {
    padding: 1.2rem 1.5rem;
    border-top: 1px solid #eee;
}

.carrito-total {
    display: flex;
    justify-content: space-between;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: #1a1a2e;
}

.btn-checkout {
    width: 100%;
    background-color: #0f3460;
    color: #fff;
    border: none;
    padding: 0.7rem;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-checkout:hover {
    background-color: #1a4a8a;
}

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

/* ===== Overlay ===== */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 150;
    display: none;
}

.overlay.activo {
    display: block;
}

/* ===== Responsive ===== */
@media (max-width: 700px) {
    .productos-grid {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }

    .filtros {
        padding: 0 1rem;
    }

    .header-contenido {
        padding: 1rem;
    }

    .pagina-contenedor {
        margin: 1rem;
        padding: 1.2rem;
        border-radius: 0;
    }

    .form-fila {
        grid-template-columns: 1fr;
    }

    .carrito-tabla-header {
        display: none;
    }

    .carrito-fila {
        grid-template-columns: 50px 1fr;
        gap: 0.5rem;
        text-align: left;
        position: relative;
        padding: 1rem 0;
    }

    .carrito-fila-icono {
        grid-column: 1;
        grid-row: 1 / 3;
    }

    .carrito-fila-nombre {
        grid-column: 2;
    }

    .carrito-fila-precio,
    .carrito-fila-cantidad,
    .carrito-fila-subtotal,
    .btn-eliminar {
        font-size: 0.85rem;
    }

    .carrito-pagina-botones {
        flex-direction: column;
    }

    .form-botones {
        flex-direction: column;
    }

    .panel-carrito {
        width: 100%;
        max-width: 100vw;
        right: -100%;
    }

    .barra-pasos {
        padding: 0.8rem 1rem 0.6rem;
        gap: 0.2rem;
    }

    .paso-linea {
        width: 30px;
        margin: 0 0.3rem;
    }

    .paso-texto {
        font-size: 0.65rem;
    }
}