:root {
    --color-fondo: #f8faf8;
    --color-card: #ffffff;
    --color-borde: #e5e7e5;
    --color-texto: #1a1d1a;
    --color-texto-suave: #5c635c;
    --color-acento: #16a34a;
    --color-acento-hover: #15803d;
    --color-acento-suave: rgba(22, 163, 74, 0.12);
    --color-raciones: #16a34a;
    --color-medicamentos: #ca8a04;
    --color-variados: #0d9488;
    --sombra: 0 2px 12px rgba(0, 0, 0, 0.08);
    --sombra-hover: 0 4px 20px rgba(0, 0, 0, 0.12);
    --radio: 10px;
  }
  
  *,
  *::before,
  *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  html {
    font-size: 16px;
    scroll-behavior: smooth;
  }
  
  body {
    font-family: 'Outfit', sans-serif;
    background: var(--color-fondo);
    color: var(--color-texto);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.5;
  }
  
  /* Header */
  .header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--color-card);
    border-bottom: 1px solid var(--color-borde);
    box-shadow: var(--sombra);
  }
  
  .logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--color-texto);
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
  }
  
  .logo-icon {
    color: var(--color-acento);
    font-size: 1.5rem;
  }
  .logo-img {
    height: 42px;
    width: auto;
    display: block;
    object-fit: contain;
  }
  
  .header-centro {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    min-width: 0;
    padding: 0 1rem;
  }
  
  .header-centro .search-wrapper {
    width: 100%;
    max-width: 400px;
  }
  
  .header-derecha {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
  }

  .btn-contacto {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-acento);
    background: transparent;
    border: 1px solid var(--color-acento);
    border-radius: var(--radio);
    cursor: pointer;
    white-space: nowrap;
  }
  .btn-contacto:hover {
    background: var(--color-acento-suave);
    color: var(--color-acento-oscuro, #2d6a1e);
  }
  
  .search-wrapper {
    position: relative;
    width: 100%;
    min-width: 0;
  }
  
  .btn-admin {
    padding: 0.5rem 1rem;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-texto);
    background: var(--color-card);
    border: 1px solid var(--color-borde);
    border-radius: var(--radio);
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s, border-color 0.2s;
  }
  
  .btn-carrito {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.85rem;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-texto);
    background: var(--color-acento-suave);
    border: 1px solid var(--color-acento);
    border-radius: var(--radio);
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
  }
  
  .btn-carrito:hover {
    background: var(--color-acento);
    color: #fff;
  }
  
  .carrito-icono {
    font-size: 1.2rem;
  }

  .carrito-badge {
    display: none;
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 1.1rem;
    height: 1.1rem;
    padding: 0 0.25rem;
    font-size: 0.7rem;
    font-weight: 700;
    line-height: 1.1rem;
    text-align: center;
    color: #fff;
    background: var(--color-acento);
    border-radius: 999px;
  }

  .btn-carrito {
    position: relative;
  }
  
  .carrito-total {
    min-width: 3.5rem;
    text-align: right;
  }

  .btn-icon-mobile {
    display: none;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    font-size: 1.25rem;
    color: var(--color-texto);
    background: transparent;
    border: none;
    border-radius: var(--radio);
    cursor: pointer;
  }
  .btn-icon-mobile:hover {
    background: var(--color-acento-suave);
  }

  .header-buscar-mobile {
    display: none;
  }

  .sidebar-categorias-header-mobile {
    display: none;
  }
  .sidebar-titulo-desktop {
    display: block;
  }
  
  .btn-admin-footer {
    position: relative;
    margin-top: 0.5rem;
    padding: 0.4rem 0.8rem;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-texto-suave);
    background: transparent;
    border: 1px solid var(--color-borde);
    border-radius: var(--radio);
    cursor: pointer;
  }
  
  .btn-admin-footer:hover {
    background: var(--color-acento-suave);
    border-color: var(--color-acento);
    color: var(--color-acento);
  }
  
  .admin-pedidos-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #f59e0b;
    border: 1.5px solid var(--color-card, #fff);
    box-sizing: border-box;
  }
  
  .admin-pedidos-badge.oculto {
    display: none;
  }
  
  .buscador {
    width: 100%;
    padding: 0.65rem 1rem 0.65rem 2.5rem;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--color-texto);
    background: var(--color-card);
    border: 1px solid var(--color-borde);
    border-radius: var(--radio);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
  }
  
  .buscador::placeholder {
    color: var(--color-texto-suave);
  }
  
  .buscador:focus {
    border-color: var(--color-acento);
    box-shadow: 0 0 0 3px var(--color-acento-suave);
  }
  
  .search-icon {
    position: absolute;
    left: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1rem;
    pointer-events: none;
    opacity: 0.7;
  }
  
  /* Main */
  .main {
    flex: 1;
    padding: 1.5rem;
    max-width: 1280px;
    margin: 0 auto;
    width: 100%;
  }
  
  .layout-catalogo {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    margin-top: 0.5rem;
  }
  
  .sidebar-categorias {
    width: 220px;
    flex-shrink: 0;
    position: sticky;
    top: 5rem;
    background: var(--color-card);
    border: 1px solid var(--color-borde);
    border-radius: var(--radio);
    padding: 1rem;
    box-shadow: var(--sombra);
  }
  
  .sidebar-titulo {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-texto-suave);
    margin-bottom: 0.75rem;
    padding: 0 0.25rem;
  }
  
  .filtros-categoria {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
  }
  
  .btn-categoria {
    display: block;
    width: 100%;
    padding: 0.6rem 0.85rem;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    text-align: left;
    color: var(--color-texto);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radio);
    cursor: pointer;
    transition: color 0.2s, background 0.2s, border-color 0.2s;
  }
  
  .btn-categoria:hover {
    background: var(--color-acento-suave);
    color: var(--color-acento);
  }
  
  .btn-categoria.active {
    color: #fff;
    background: var(--color-acento);
    border-color: var(--color-acento);
  }
  
  .btn-categoria.btn-volver-nivel {
    color: var(--color-texto-suave);
    border-style: dashed;
    border-color: var(--color-borde);
  }
  
  .btn-categoria.btn-volver-nivel:hover {
    color: var(--color-acento);
    background: var(--color-acento-suave);
  }
  
  .contenido-catalogo {
    flex: 1;
    min-width: 0;
  }
  
  .barra-resultados {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    margin-bottom: 1rem;
  }
  
  .resultados-info {
    color: var(--color-texto-suave);
    font-size: 0.9rem;
    margin: 0;
    padding: 0 0.25rem 0 0;
  }
  
  .orden-label {
    font-size: 0.9rem;
    color: var(--color-texto-suave);
    margin: 0;
  }
  
  .orden-select {
    padding: 0.45rem 0.75rem;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--color-texto);
    background: var(--color-card);
    border: 1px solid var(--color-borde);
    border-radius: var(--radio);
    cursor: pointer;
  }
  
  .orden-select:focus {
    outline: none;
    border-color: var(--color-acento);
  }
  
  .grid-productos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
  }
  
  .tarjeta-producto {
    background: var(--color-card);
    border: 1px solid var(--color-borde);
    border-radius: var(--radio);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
  }
  
  .tarjeta-producto:hover {
    transform: translateY(-2px);
    box-shadow: var(--sombra-hover);
    border-color: var(--color-acento);
  }
  
  .tarjeta-producto .imagen-wrap {
    aspect-ratio: 1;
    background: var(--color-borde);
    position: relative;
    overflow: hidden;
  }
  
  .tarjeta-producto .imagen-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    background: var(--color-borde);
  }
  
  .tarjeta-producto.raciones .imagen-wrap,
  .tarjeta-producto.raciones .imagen-placeholder { background: rgba(22, 163, 74, 0.15); }
  .tarjeta-producto.medicamentos .imagen-wrap,
  .tarjeta-producto.medicamentos .imagen-placeholder { background: rgba(202, 138, 4, 0.15); }
  .tarjeta-producto.variados .imagen-wrap,
  .tarjeta-producto.variados .imagen-placeholder { background: rgba(13, 148, 136, 0.15); }
  /* Si el producto tiene imagen, fondo blanco para que los PNG con transparencia se vean bien */
  .tarjeta-producto .imagen-wrap:has(.imagen-producto) {
    background: #fff;
  }
  
  .tarjeta-producto .contenido {
    padding: 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  
  .tarjeta-producto .categoria-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    margin-bottom: 0.5rem;
    width: fit-content;
  }
  
  .tarjeta-producto.raciones .categoria-badge { background: var(--color-raciones); color: #fff; }
  .tarjeta-producto.medicamentos .categoria-badge { background: var(--color-medicamentos); color: #fff; }
  .tarjeta-producto.variados .categoria-badge { background: var(--color-variados); color: #fff; }
  
  .tarjeta-producto .nombre {
    font-weight: 600;
    font-size: 1.05rem;
    margin-bottom: 0.25rem;
  }
  
  .tarjeta-producto .precio-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
  }
  
  .tarjeta-producto .precio {
    font-weight: 700;
    color: var(--color-texto);
    font-size: 1.1rem;
  }
  
  .tarjeta-producto .precio.precio-con-descuento {
    color: #dc2626;
  }
  
  .tarjeta-producto .precio-original {
    font-size: 0.85rem;
    color: var(--color-texto-suave);
    text-decoration: line-through;
  }
  
  .tarjeta-producto .descuento-badge {
    font-size: 0.75rem;
    font-weight: 600;
    background: #dc2626;
    color: #fff;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
  }
  
  .tarjeta-producto .imagen-producto {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
  }
  
  .tarjeta-producto .btn-agregar-card {
    margin-top: auto;
    width: 100%;
    padding: 0.45rem 0.75rem;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 500;
    color: #fff;
    background: var(--color-acento);
    border: none;
    border-radius: var(--radio);
    cursor: pointer;
    transition: background 0.2s;
  }
  
  .tarjeta-producto .btn-agregar-card:hover {
    background: var(--color-acento-hover);
  }
  
  .detalle-agregar-carrito {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-borde);
  }
  
  .detalle-agregar-carrito label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.35rem;
  }
  
  .detalle-agregar-carrito .input-text {
    width: 100px;
    display: inline-block;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
  }
  
  /* Modal */
  .modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: 1rem;
  }
  
  .modal {
    position: relative;
    background: var(--color-card);
    border: 1px solid var(--color-borde);
    border-radius: var(--radio);
    padding: 1.5rem;
    max-width: 380px;
    width: 100%;
  }
  
  .modal.modal-producto {
    max-width: 900px;
    width: 95%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    padding-top: 2.75rem;
  }
  
  .modal-cerrar {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    font-size: 1.5rem;
    line-height: 1;
    color: var(--color-texto-suave);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s, background 0.2s;
    z-index: 1;
  }
  
  .modal-cerrar:hover {
    color: var(--color-acento);
    background: var(--color-acento-suave);
  }

  .modal.modal-contacto {
    max-width: 360px;
    padding-top: 2.75rem;
  }
  .contacto-contenido {
    margin-top: 0.5rem;
  }
  .contacto-contenido p {
    margin: 0.75rem 0;
  }
  .contacto-contenido a {
    color: var(--color-acento);
    text-decoration: none;
  }
  .contacto-contenido a:hover {
    text-decoration: underline;
  }
  
  .modal.modal-carrito {
    max-width: 480px;
    width: 100%;
    max-height: 85vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    padding-top: 2.75rem;
  }
  
  .modal.modal-carrito .modal-titulo {
    margin-bottom: 0.75rem;
  }
  
  .carrito-lista {
    overflow-y: auto;
    flex: 1;
    margin-bottom: 0.75rem;
    max-height: 280px;
  }
  
  .carrito-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-borde);
  }
  
  .carrito-item-info {
    flex: 1;
    min-width: 0;
  }
  
  .carrito-item-nombre {
    display: block;
    font-weight: 500;
    font-size: 0.95rem;
  }
  
  .carrito-item-precio {
    font-size: 0.85rem;
    color: var(--color-texto-suave);
  }
  
  .carrito-item-acciones {
    display: flex;
    align-items: center;
    gap: 0.35rem;
  }
  
  .btn-cantidad {
    width: 1.75rem;
    height: 1.75rem;
    padding: 0;
    font-size: 1rem;
    line-height: 1;
    border: 1px solid var(--color-borde);
    background: var(--color-fondo);
    border-radius: 6px;
    cursor: pointer;
  }
  
  .btn-cantidad:hover {
    border-color: var(--color-acento);
    color: var(--color-acento);
  }
  
  .carrito-item-cant {
    min-width: 1.5rem;
    text-align: center;
    font-weight: 500;
  }
  
  .btn-quitar-carrito {
    padding: 0.25rem 0.4rem;
    font-size: 0.8rem;
    border: none;
    background: transparent;
    color: var(--color-texto-suave);
    cursor: pointer;
  }
  
  .btn-quitar-carrito:hover {
    color: #dc2626;
  }
  
  .carrito-total-texto {
    margin: 0 0 0.75rem 0;
    font-size: 1.05rem;
  }
  
  .carrito-vacio {
    margin: 0 0 1rem 0;
    color: var(--color-texto-suave);
    font-size: 0.95rem;
  }
  
  .carrito-footer {
    padding-top: 0.5rem;
  }

  #carrito-descuento-wrap {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--color-borde, #eee);
  }
  #carrito-descuento-wrap .carrito-descuento-label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.35rem;
    color: var(--color-texto-suave);
  }
  #carrito-descuento-wrap .carrito-codigo-input {
    width: 100%;
    padding: 0.5rem 0.6rem;
    border: 1px solid var(--color-borde, #ddd);
    border-radius: 6px;
    font-size: 0.95rem;
    box-sizing: border-box;
  }
  #carrito-descuento-wrap .carrito-descuento-msg {
    font-size: 0.85rem;
    margin-top: 0.35rem;
  }
  
  .btn-block {
    width: 100%;
  }
  
  .modal.modal-checkout {
    max-width: 420px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
  }
  
  .checkout-info {
    font-size: 0.9rem;
    color: var(--color-texto-suave);
    margin-bottom: 1rem;
  }

  .checkout-descuento-aplicado {
    font-size: 0.9rem;
    color: var(--color-acento);
    margin-bottom: 0.5rem;
  }

  .checkout-hint {
    font-size: 0.85rem;
    color: var(--color-texto-suave);
    margin: -0.25rem 0 0.5rem 0;
  }
  
  .checkout-error {
    font-size: 0.9rem;
    color: #dc2626;
    margin-bottom: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: #fef2f2;
    border-radius: 6px;
  }
  
  .checkout-hint {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--color-texto-suave);
  }
  
  .form-checkout label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.35rem;
  }
  
  .form-checkout .req {
    color: #dc2626;
  }
  
  .form-checkout .input-text,
  .form-checkout .input-select {
    margin-bottom: 0.75rem;
  }
  
  .form-checkout .btn-block {
    margin-top: 0.5rem;
  }
  
  .modal.modal-gracias {
    text-align: center;
    max-width: 380px;
  }
  
  .gracias-texto {
    margin-bottom: 1.25rem;
    line-height: 1.5;
    color: var(--color-texto-suave);
  }
  
  .modal-titulo {
    font-size: 1.25rem;
    margin-bottom: 1rem;
  }
  
  .modal-error {
    color: #ef4444;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
  }
  
  .form-login label,
  .form-admin-hint {
    font-size: 0.85rem;
    color: var(--color-texto-suave);
    margin-bottom: 0.5rem;
  }
  
  .form-admin-hint code {
    background: var(--color-fondo-suave);
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
    font-size: 0.8rem;
  }
  
  .bulk-resultado {
    font-size: 0.9rem;
    margin-top: 0.5rem;
    color: var(--color-texto-suave);
  }
  
  .form-admin label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.35rem;
  }
  
  .input-text,
  .input-textarea,
  .input-select {
    width: 100%;
    padding: 0.6rem 0.75rem;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--color-texto);
    background: var(--color-fondo);
    border: 1px solid var(--color-borde);
    border-radius: 8px;
    margin-bottom: 1rem;
  }
  
  .input-text:focus,
  .input-textarea:focus,
  .input-select:focus {
    outline: none;
    border-color: var(--color-acento);
    box-shadow: 0 0 0 2px var(--color-acento-suave);
  }
  
  .input-textarea {
    resize: vertical;
    min-height: 60px;
  }
  
  .modal-botones {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    margin-top: 1rem;
  }
  
  .btn {
    padding: 0.6rem 1.2rem;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    border: none;
    transition: background 0.2s, opacity 0.2s;
  }
  
  .btn-primario {
    background: var(--color-acento);
    color: #fff;
  }
  
  .btn-primario:hover {
    background: var(--color-acento-hover);
    color: #fff;
  }
  
  .btn-secundario {
    background: var(--color-fondo);
    color: var(--color-texto);
    border: 1px solid var(--color-borde);
  }
  
  .btn-secundario:hover {
    background: var(--color-borde);
    border-color: var(--color-acento);
    color: var(--color-acento);
  }
  
  .btn-peligro {
    background: #dc2626;
    color: #fff;
  }
  
  .btn-peligro:hover {
    background: #ef4444;
  }
  
  .btn-chico {
    padding: 0.4rem 0.9rem;
    font-size: 0.85rem;
  }
  
  /* Panel admin */
  .panel-admin {
    background: var(--color-card);
    border: 1px solid var(--color-borde);
    border-radius: var(--radio);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
  }
  
  .panel-admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
  }
  .panel-admin-header-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .panel-admin-header h2 {
    font-size: 1.15rem;
  }
  
  .panel-admin-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto 1fr;
    gap: 1.5rem;
  }
  
  .panel-celda-1-1 { grid-column: 1; grid-row: 1; }
  .panel-celda-2-1 { grid-column: 2; grid-row: 1; }
  .panel-celda-1-2 { grid-column: 1; grid-row: 2; }
  .panel-celda-2-2 { grid-column: 2; grid-row: 2; }
  .panel-fila-3 { grid-column: 1 / -1; grid-row: 3; }
  
  .panel-celda-vacia {
    min-height: 0;
  }
  
  .panel-seccion h3 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--color-texto-suave);
  }
  
  .categorias-checkboxes {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    margin-bottom: 0.75rem;
  }
  
  .checkbox-categoria {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.9rem;
    cursor: pointer;
    white-space: nowrap;
  }
  
  .checkbox-categoria input {
    margin: 0;
    cursor: pointer;
  }
  
  .form-modificar-producto {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
  }
  
  .form-modificar-producto.panel-fila-3 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
  }
  
  .form-modificar-izq {
    flex: 0 1 380px;
    min-width: 260px;
    max-width: 400px;
  }
  
  .form-modificar-producto.panel-fila-3 .form-modificar-izq {
    min-width: 0;
    max-width: none;
  }
  
  .form-modificar-der {
    flex: 1;
    min-width: 280px;
  }
  
  .form-modificar-der h3 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--color-texto-suave);
  }
  
  .form-modificar-der .categorias-checkboxes {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem 0;
  }
  
  .categorias-por-grupo .categoria-grupo {
    margin-bottom: 1rem;
  }
  
  .categorias-por-grupo .categoria-grupo:last-child {
    margin-bottom: 0;
  }
  
  .categoria-grupo-titulo {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-texto-suave);
    margin-bottom: 0.35rem;
    padding-bottom: 0.2rem;
    border-bottom: 1px solid var(--color-borde);
  }
  
  .categorias-por-grupo .categoria-grupo .checkbox-categoria {
    display: block;
    margin-bottom: 0.2rem;
  }
  
  .form-admin .input-text,
  .form-admin .input-textarea,
  .form-admin .input-select {
    margin-bottom: 0.75rem;
  }
  
  .busqueda-editar-wrap {
    position: relative;
    margin-bottom: 0.75rem;
  }
  
  .busqueda-editar-wrap .input-text {
    margin-bottom: 0;
  }
  
  .busqueda-editar-lista {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 10;
    background: var(--color-card);
    border: 1px solid var(--color-borde);
    border-radius: 6px;
    max-height: 220px;
    overflow-y: auto;
    box-shadow: var(--sombra-hover);
    margin-top: 2px;
  }
  
  .busqueda-editar-item {
    display: block;
    width: 100%;
    padding: 0.5rem 0.75rem;
    text-align: left;
    font-size: 0.9rem;
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    color: var(--color-texto);
    border-bottom: 1px solid var(--color-borde);
  }
  
  .busqueda-editar-item:last-child {
    border-bottom: none;
  }
  
  .busqueda-editar-item:hover {
    background: var(--color-fondo-suave);
  }
  
  .busqueda-editar-item.busqueda-editar-vacio {
    cursor: default;
    color: var(--color-texto-suave);
  }
  
  .form-admin button[type="submit"],
  .form-admin .btn {
    margin-top: 0.25rem;
  }
  
  .form-inline {
    display: flex;
    gap: 0.5rem;
    align-items: flex-end;
  }
  
  .form-inline .input-text {
    flex: 1;
    margin-bottom: 0;
  }
  
  .form-inline .btn {
    margin-top: 0;
  }
  
  .mt { margin-top: 1.25rem; }
  .mt-chico { margin-top: 0.5rem; }

  .lista-codigos-titulo {
    font-size: 0.9rem;
    font-weight: 600;
    margin: 1rem 0 0.5rem 0;
  }
  .lista-codigos-descuento {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  .lista-codigos-descuento .item-codigo-descuento {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--color-borde);
    font-size: 0.9rem;
  }
  .lista-codigos-descuento .codigo-texto {
    font-weight: 500;
  }
  .lista-codigos-descuento .codigo-pct {
    color: var(--color-acento);
  }
  .lista-codigos-descuento .lista-codigos-vacio {
    color: var(--color-texto-suave);
    font-size: 0.9rem;
    padding: 0.5rem 0;
  }
  
  .sin-resultados {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-texto-suave);
  }
  
  .sin-resultados .sugerencia {
    font-size: 0.9rem;
    margin-top: 0.5rem;
  }

  .ver-mas-wrap {
    text-align: center;
    padding: 2rem 1rem;
  }
  .ver-mas-wrap.oculto {
    display: none;
  }
  .btn-ver-mas-productos {
    display: inline-block;
    padding: 0.85rem 2rem;
    font-size: 1.05rem;
    font-weight: 600;
    background: var(--color-acento);
    color: #fff;
    border: none;
    border-radius: var(--radio);
    cursor: pointer;
    box-shadow: var(--sombra);
  }
  .btn-ver-mas-productos:hover {
    background: var(--color-acento-hover);
    color: #fff;
    box-shadow: var(--sombra-hover);
  }
  
  .oculto {
    display: none !important;
  }
  
  /* Página detalle de producto */
  .pagina-detalle .main {
    max-width: 900px;
  }
  
  .detalle-producto {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
    margin-bottom: 3rem;
  }
  
  .detalle-imagen-wrap {
    position: sticky;
    top: 6rem;
    background: #fff;
    border: 1px solid var(--color-borde);
    border-radius: var(--radio);
    overflow: hidden;
    aspect-ratio: 1;
  }
  
  .detalle-imagen-wrap .imagen-producto {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .detalle-imagen-wrap .imagen-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    background: var(--color-borde);
  }
  
  .detalle-info h1 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    line-height: 1.3;
  }
  
  .detalle-info .detalle-precio {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 1.25rem;
  }
  
  .detalle-info .precio {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-texto);
  }
  
  .detalle-info .precio.precio-con-descuento {
    color: #dc2626;
  }
  
  .detalle-info .precio-original {
    font-size: 1.1rem;
    color: var(--color-texto-suave);
    text-decoration: line-through;
  }
  
  .detalle-info .descuento-badge {
    font-size: 0.85rem;
    font-weight: 600;
    background: #dc2626;
    color: #fff;
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
  }
  
  .detalle-info .detalle-descripcion {
    color: var(--color-texto-suave);
    line-height: 1.6;
    font-size: 1rem;
  }
  
  .detalle-info .detalle-descripcion p {
    margin-bottom: 0.75rem;
  }
  
  .seccion-similares {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-borde);
  }
  
  .seccion-similares h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--color-texto-suave);
  }
  
  .grid-similares {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
  }
  
  .grid-similares .tarjeta-producto {
    min-width: 0;
  }
  
  .detalle-no-encontrado {
    text-align: center;
    padding: 3rem 1rem;
  }
  
  .detalle-no-encontrado h2 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
  }
  
  .detalle-no-encontrado a {
    color: var(--color-acento);
    text-decoration: none;
    font-weight: 500;
  }
  
  .detalle-no-encontrado a:hover {
    text-decoration: underline;
  }
  
  /* Botón volver y búsqueda en página detalle */
  .pagina-detalle .btn-volver {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-texto);
    background: var(--color-card);
    border: 1px solid var(--color-borde);
    border-radius: var(--radio);
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.2s, border-color 0.2s;
  }
  
  .pagina-detalle .btn-volver:hover {
    background: var(--color-borde);
    border-color: var(--color-acento);
  }
  
  .pagina-detalle .header-centro .search-wrapper {
    max-width: 400px;
  }
  
  /* Resultados de búsqueda en detalle */
  .busqueda-resultados {
    margin-bottom: 2rem;
  }
  
  .titulo-resultados {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--color-texto-suave);
  }
  
  .lista-busqueda {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .item-busqueda {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.6rem 0.75rem;
    background: var(--color-card);
    border: 1px solid var(--color-borde);
    border-radius: var(--radio);
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
  }
  
  .item-busqueda:hover {
    border-color: var(--color-acento);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
  }
  
  .item-busqueda-thumb {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    border-radius: 8px;
    overflow: hidden;
    background: var(--color-borde);
    position: relative;
    display: block;
  }
  
  .item-busqueda-thumb .item-busqueda-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }
  
  .item-busqueda-thumb .item-busqueda-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: var(--color-borde);
  }
  
  .item-busqueda-nombre {
    flex: 1;
    font-weight: 500;
    font-size: 0.95rem;
    min-width: 0;
  }
  
  .item-busqueda-precio {
    font-weight: 700;
    color: var(--color-texto);
    font-size: 1rem;
    flex-shrink: 0;
  }
  
  .item-busqueda-precio.precio-con-descuento {
    color: #dc2626;
  }
  
  .busqueda-sin-resultados {
    color: var(--color-texto-suave);
    font-size: 0.95rem;
    padding: 1rem 0;
  }
  
  @media (max-width: 700px) {
    .detalle-producto {
      grid-template-columns: 1fr;
    }
  
    .detalle-imagen-wrap {
      position: static;
    }
  
    .pagina-detalle .header {
      flex-wrap: wrap;
    }
  
    .pagina-detalle .header-centro {
      width: 100%;
      order: 2;
    }
  
    .pagina-detalle .header-centro .search-wrapper {
      max-width: none;
    }
  
    .pagina-detalle .header-derecha {
      width: 100%;
      order: 3;
    }
  }
  
  /* Footer */
  .footer {
    padding: 2rem 1.5rem 1.5rem;
    text-align: center;
    border-top: 1px solid var(--color-borde);
    background: var(--color-card);
    color: var(--color-texto-suave);
    font-size: 0.875rem;
  }
  .footer-quienes-somos {
    max-width: 640px;
    margin: 0 auto 1.5rem;
  }
  .footer-titulo {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-texto);
    margin-bottom: 0.75rem;
  }
  .footer-texto {
    margin: 0 0 0.75rem;
    line-height: 1.6;
    text-align: left;
  }
  .footer-contacto-wrap {
    padding-top: 1rem;
    border-top: 1px solid var(--color-borde);
  }
  .footer-contacto {
    margin: 0 0 0.5rem;
    line-height: 1.5;
  }
  .footer-copy {
    margin: 0;
    font-size: 0.8rem;
    opacity: 0.9;
  }
  .footer-contacto a {
    color: var(--color-acento);
    text-decoration: none;
  }
  .footer-contacto a:hover {
    text-decoration: underline;
  }
  
  /* Responsive */
  @media (max-width: 768px) {
    .panel-admin-grid {
      grid-template-columns: 1fr;
      grid-template-rows: none;
    }
    .panel-celda-1-1, .panel-celda-2-1, .panel-celda-1-2, .panel-celda-2-2, .panel-fila-3 {
      grid-column: auto;
      grid-row: auto;
    }
    .form-modificar-producto.panel-fila-3 {
      grid-template-columns: 1fr;
    }
  
    .header {
      flex-direction: row;
      flex-wrap: wrap;
      align-items: center;
      gap: 0.5rem;
      padding: 0.6rem 1rem;
    }
    .header .logo-text { font-size: 1.1rem; }
    .header .logo-img { height: 36px; }
    .btn-contacto { display: none; }
    .header-centro { display: none; }
    .header-derecha { margin-left: auto; gap: 0.25rem; }
    .btn-icon-mobile { display: flex; }
    .btn-carrito { padding: 0.4rem 0.6rem; }
    .btn-carrito .carrito-total { display: none; }
    .btn-carrito .carrito-badge { position: static; margin-left: 0.2rem; min-width: 1.25rem; height: 1.25rem; line-height: 1.25rem; font-size: 0.75rem; }
    .btn-carrito .carrito-badge.oculto { display: none !important; }
    .btn-carrito:not(.carrito-con-items) .carrito-badge { display: none !important; }
    .btn-carrito.carrito-con-items .carrito-badge { display: inline-block !important; }
    .header-buscar-mobile { display: none; padding: 0.5rem 1rem; background: var(--color-card); border-bottom: 1px solid var(--color-borde); }
    .header-buscar-mobile.visible { display: block !important; }
    .header-buscar-mobile .buscador { width: 100%; padding: 0.6rem 1rem; font-size: 1rem; border-radius: var(--radio); border: 1px solid var(--color-borde); }
    .drawer-filtros-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 199; }
    .drawer-filtros-overlay.visible { display: block !important; }
    .drawer-filtros-overlay.oculto { display: none !important; }

    .layout-catalogo {
      flex-direction: column;
    }
  
    .sidebar-categorias {
      position: fixed;
      top: 0;
      left: 0;
      bottom: 0;
      width: 280px;
      max-width: 85vw;
      z-index: 200;
      margin: 0;
      padding: 1rem;
      padding-top: 4rem;
      box-shadow: 4px 0 20px rgba(0,0,0,0.15);
      transform: translateX(-100%);
      transition: transform 0.25s ease-out;
      overflow-y: auto;
      flex-direction: column;
      flex-wrap: nowrap;
      align-items: stretch;
    }
    body.filtros-drawer-abierto .sidebar-categorias { transform: translateX(0); }
    .sidebar-categorias-header-mobile {
      display: flex;
      align-items: center;
      justify-content: space-between;
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      padding: 0.85rem 1rem;
      background: var(--color-card);
      border-bottom: 1px solid var(--color-borde);
    }
    .sidebar-categorias-header-mobile .sidebar-titulo { margin: 0; font-size: 1rem; font-weight: 600; }
    .sidebar-categorias .filtros-categoria {
      margin-top: 0.75rem;
    }
    .btn-cerrar-filtros-mobile {
      width: 2.5rem;
      height: 2.5rem;
      padding: 0;
      font-size: 1.5rem;
      line-height: 1;
      color: var(--color-texto);
      background: transparent;
      border: none;
      border-radius: var(--radio);
      cursor: pointer;
    }
    .btn-cerrar-filtros-mobile:hover { background: var(--color-acento-suave); }
    .sidebar-titulo-desktop { display: none; }
    .filtros-categoria {
      flex-direction: column;
      flex-wrap: nowrap;
      gap: 0.35rem;
    }
    .btn-categoria {
      width: 100%;
      display: block;
      text-align: left;
      padding: 0.6rem 0.85rem;
    }
  
    .grid-productos {
      grid-template-columns: repeat(2, 1fr);
      gap: 0.75rem;
    }

    .modal.modal-producto .modal-cerrar {
      width: 2.75rem;
      height: 2.75rem;
      min-width: 44px;
      min-height: 44px;
      font-size: 1.75rem;
      top: 0.5rem;
      right: 0.5rem;
      background: rgba(0, 0, 0, 0.08);
      color: #333;
      border-radius: 50%;
    }
  }
  
  @media (max-width: 600px) {
    .header {
      padding: 0.5rem 0.75rem;
    }
    .grid-productos {
      grid-template-columns: repeat(2, 1fr);
      gap: 0.75rem;
    }
  }