body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #18181b; 
    color: #d4d4d8; 
    margin: 0;
    padding: 0; /* Reset padding */
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

.main-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
}

/* --- Estilos para Formularios de Login/Registro --- */
.auth-container {
    background: #27272a; 
    padding: 35px 45px;
    border-radius: 8px;
    border: 1px solid #3f3f46; 
    width: 100%;
    max-width: 450px; 
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    margin-top: 20px; /* Espacio desde el header */
}

.auth-container h2 {
    color: #f4f4f5;
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.75em;
    font-weight: 600;
}

.auth-container label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: #a1a1aa; 
    font-size: 0.95em;
}

.auth-container input[type="text"],
.auth-container input[type="password"],
.auth-container input[type="email"],
.auth-container textarea {
    width: 100%;
    padding: 14px;
    margin-bottom: 25px;
    background-color: #3f3f46; 
    border: 1px solid #52525b; 
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 1em;
    color: #e4e4e7; 
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; 
}

.auth-container input[type="text"]:focus,
.auth-container input[type="password"]:focus,
.auth-container input[type="email"]:focus,
.auth-container textarea:focus {
    border-color: #ff7a00; 
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 122, 0, 0.2); 
}

.auth-container button[type="submit"],
.btn-primary {
    background-color: #ff7a00;
    color: #ffffff;
    padding: 14px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.05em;
    font-weight: 600;
    width: 100%;
    transition: background-color 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block; /* Para que width 100% funcione bien */
    text-align: center; 
    text-decoration: none;
}

.auth-container button[type="submit"]:hover,
.btn-primary:hover {
    background-color: #e66f00; 
}

.link-container { /* Para "¿Ya tienes cuenta?" o "¿No tienes cuenta?" */
    text-align: center;
    margin-top: 30px;
    font-size: 0.9em;
}

.link-container p {
    margin-bottom: 10px;
    color: #a1a1aa;
}

.link-container a {
    color: #ff7a00;
    text-decoration: none;
    font-weight: 600;
}

.link-container a:hover {
    text-decoration: underline;
    color: #e66f00; 
}

.btn-secondary {
    background-color: #3f3f46; 
    color: #f4f4f5; 
    border: 1px solid #52525b;
    padding: 12px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 500;
    width: 100%;
    transition: background-color 0.2s ease, border-color 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block; 
    text-align: center; 
    text-decoration: none; 
    margin-top: 10px;
}

.btn-secondary:hover {
    background-color: #52525b; 
    border-color: #71717a;
}

/* --- Mensajes de respuesta/error --- */
.mensaje {
    width: 100%;
    max-width: 450px;
    padding: 15px;
    margin: 20px auto;
    text-align: center;
    border-radius: 6px;
    font-size: 0.95em;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.mensaje.exito {
    background: #22c55e; 
    border: 1px solid #16a34a;
    color: #f0fdf4;
}
.mensaje.error {
    background: #ef4444; 
    border: 1px solid #dc2626;
    color: #fef2f2;
}
.error-conexion {
    padding: 15px;
    background: #7f1d1d; 
    color: #fecaca;
    margin: 20px auto;
    width: 100%;
    max-width: 500px;
    text-align: center;
    border: 1px solid #991b1b;
    border-radius: 6px;
}

/* --- Header de Navegación --- */
header {
    background-color: #27272a;
    padding: 15px 30px;
    width: 100%;
    box-sizing: border-box;
    border-bottom: 1px solid #3f3f46;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .logo a {
    color: #ff7a00;
    font-size: 1.8em;
    font-weight: bold;
    text-decoration: none;
}

header nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
}

header nav ul li {
    margin-left: 20px;
}

header nav ul li a {
    color: #d4d4d8;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 4px;
    transition: background-color 0.2s ease, color 0.2s ease;
}

header nav ul li a:hover,
header nav ul li a.active {
    background-color: #ff7a00;
    color: #fff;
}

/* --- Página de Recepción/Bienvenida --- */
.contenedor-recepcion {
    background: #27272a;
    padding: 40px 50px;
    border-radius: 8px;
    border: 1px solid #3f3f46;
    width: 100%;
    max-width: 600px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    text-align: center;
    margin-top: 30px;
}

.contenedor-recepcion h1 {
    color: #f4f4f5;
    margin-bottom: 20px;
    font-size: 2em;
    font-weight: 600;
}

.contenedor-recepcion p {
    color: #a1a1aa;
    font-size: 1.1em;
    line-height: 1.7;
    margin-bottom: 15px;
}

.nombre-destacado {
    font-weight: 700;
    color: #ff7a00;
}

.acciones-usuario {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #3f3f46;
}

.acciones-usuario .btn-primary,
.acciones-usuario .btn-secondary {
    margin: 10px 5px;
    width: auto; 
    padding: 12px 25px;
}


/* --- Estilos para la Tienda --- */
.tienda-header {
    width: 100%;
    max-width: 1200px;
    margin-bottom: 30px;
    text-align: center;
}

.tienda-header h1 {
    color: #f4f4f5;
    font-size: 2.5em;
    margin-bottom: 10px;
}

.productos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    width: 100%;
    max-width: 1200px; 
}

.producto-card {
    background: #27272a;
    border: 1px solid #3f3f46;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
}

.producto-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

.producto-card img {
    width: 100%;
    height: 200px; 
    object-fit: cover; 
    border-bottom: 1px solid #3f3f46;
}

.producto-info {
    padding: 20px;
    flex-grow: 1; 
    display: flex;
    flex-direction: column;
    justify-content: space-between; 
}

.producto-info h3 {
    color: #f4f4f5;
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 1.25em;
}

.producto-info h3 a {
    color: #f4f4f5;
    text-decoration: none;
}
.producto-info h3 a:hover {
    color: #ff7a00;
}


.producto-precio {
    color: #ff7a00;
    font-size: 1.4em;
    font-weight: bold;
    margin-bottom: 15px;
}

.producto-descripcion-corta {
    font-size: 0.9em;
    color: #a1a1aa;
    margin-bottom: 15px;
    line-height: 1.5;
    flex-grow: 1;
}

.btn-add-to-cart {
    background-color: #ff7a00;
    color: #fff;
    padding: 10px 15px;
    text-decoration: none;
    border-radius: 6px;
    text-align: center;
    font-weight: 600;
    transition: background-color 0.2s ease;
    display: block; 
    margin-top: auto; 
}

.btn-add-to-cart:hover {
    background-color: #e66f00;
}

/* --- Página de Producto Individual --- */
.producto-detalle-container {
    background: #27272a;
    padding: 30px;
    border-radius: 8px;
    border: 1px solid #3f3f46;
    width: 100%;
    max-width: 900px;
    margin-top: 30px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    display: flex;
    gap: 30px;
}

.producto-detalle-imagen img {
    max-width: 350px;
    height: auto;
    border-radius: 6px;
    border: 1px solid #3f3f46;
}

.producto-detalle-info {
    flex: 1;
}

.producto-detalle-info h1 {
    color: #f4f4f5;
    font-size: 2.2em;
    margin-top: 0;
    margin-bottom: 15px;
}

.producto-detalle-info .precio {
    color: #ff7a00;
    font-size: 1.8em;
    font-weight: bold;
    margin-bottom: 20px;
}

.producto-detalle-info .descripcion {
    color: #a1a1aa;
    line-height: 1.7;
    margin-bottom: 20px;
}

.producto-detalle-info .stock,
.producto-detalle-info .desarrollador,
.producto-detalle-info .fecha-lanzamiento {
    color: #a1a1aa;
    font-size: 0.95em;
    margin-bottom: 8px;
}
.producto-detalle-info .stock strong,
.producto-detalle-info .desarrollador strong,
.producto-detalle-info .fecha-lanzamiento strong {
    color: #d4d4d8;
}

/* --- Carrito de Compras --- */
.carrito-container {
    width: 100%;
    max-width: 900px;
    margin-top: 30px;
}

.carrito-container h1 {
    color: #f4f4f5;
    text-align: center;
    margin-bottom: 30px;
}

.carrito-item {
    background: #27272a;
    border: 1px solid #3f3f46;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}

.carrito-item img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 4px;
    margin-right: 15px;
}

.carrito-item-info {
    flex-grow: 1;
}
.carrito-item-info h4 { margin: 0 0 5px 0; color: #f4f4f5; }
.carrito-item-info p { margin: 0; color: #a1a1aa; font-size: 0.9em; }

.carrito-item-cantidad input {
    width: 60px;
    padding: 8px;
    background-color: #3f3f46;
    border: 1px solid #52525b;
    border-radius: 4px;
    color: #e4e4e7;
    text-align: center;
}

.carrito-item-precio, .carrito-item-subtotal {
    color: #ff7a00;
    font-weight: bold;
    min-width: 80px; 
    text-align: right;
}

.carrito-item-acciones a {
    color: #ef4444;
    text-decoration: none;
    font-size: 0.9em;
}
.carrito-item-acciones a:hover {
    text-decoration: underline;
}

.carrito-total {
    margin-top: 30px;
    padding: 20px;
    background: #27272a;
    border: 1px solid #3f3f46;
    border-radius: 8px;
    text-align: right;
}
.carrito-total h3 {
    color: #f4f4f5;
    margin: 0 0 15px 0;
}
.carrito-total .btn-primary {
    width: auto; 
    margin-top: 10px;
}

.empty-cart-message {
    text-align: center;
    font-size: 1.2em;
    color: #a1a1aa;
    padding: 40px;
    background: #27272a;
    border-radius: 8px;
    border: 1px solid #3f3f46;
}
.empty-cart-message a {
    color: #ff7a00;
    text-decoration: none;
    font-weight: bold;
}
.empty-cart-message a:hover {
    text-decoration: underline;
}



footer {
    background-color: #27272a;
    color: #a1a1aa;
    text-align: center;
    padding: 20px;
    margin-top: auto;
    width: 100%;
    box-sizing: border-box;
    border-top: 1px solid #3f3f46;
}


@media (max-width: 768px) {
    .productos-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    .producto-detalle-container {
        flex-direction: column;
        align-items: center;
    }
    .producto-detalle-imagen img {
        max-width: 100%;
    }
    header {
        flex-direction: column;
        padding: 15px;
    }
    header .logo a {
        margin-bottom: 10px;
    }
    header nav ul {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    header nav ul li {
        margin: 5px 0;
        width: 100%;
        text-align: center;
    }
    header nav ul li a {
        display: block;
    }
    .carrito-item {
        flex-direction: column;
        align-items: flex-start;
    }
    .carrito-item-cantidad, .carrito-item-precio, .carrito-item-subtotal, .carrito-item-acciones {
        width: 100%;
        text-align: left;
        margin-top: 10px;
    }
    .carrito-item-precio, .carrito-item-subtotal { text-align: left; }
}

@media (max-width: 480px) {
    .auth-container {
        padding: 25px;
    }
    .auth-container h2 {
        font-size: 1.5em;
    }
    .productos-grid {
        grid-template-columns: 1fr; 
    }
}