:root {
    --primario: #e67e22;
    --oscuro: #2c3e50;
    --claro: #f4f4f4;
    --blanco: #ffffff;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    background-color: var(--claro);
    color: var(--oscuro);
}

.cabecera {
    background-color: var(--oscuro);
    color: var(--blanco);
    padding: 2rem 1rem;
    text-align: center;
}

.contenedor-busqueda {
    margin: 1.5rem 0;
    display: flex;
    justify-content: center;
    gap: 10px;
}

input {
    padding: 12px;
    width: 100%;
    max-width: 400px;
    border-radius: 5px;
    border: none;
}

.sugerencias p { font-size: 0.9rem; margin-bottom: 5px; opacity: 0.8; }
.sugerencias button {
    background: transparent;
    border: 1px solid var(--blanco);
    color: var(--blanco);
    padding: 5px 12px;
    border-radius: 20px;
    cursor: pointer;
    margin: 2px;
    transition: 0.3s;
}
.sugerencias button:hover { background: var(--blanco); color: var(--oscuro); }

/* Rejilla de Recetas Responsive */
.rejilla-recetas {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    padding: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.tarjeta-receta {
    background: var(--blanco);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    cursor: pointer;
    transition: transform 0.3s ease;
}
.tarjeta-receta:hover { transform: translateY(-10px); }
.tarjeta-receta img { width: 100%; height: 200px; object-fit: cover; }
.tarjeta-receta h3 { padding: 15px; margin: 0; font-size: 1.2rem; }

/* Modal */
.modal {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex; justify-content: center; align-items: center;
    z-index: 1000;
}
.contenido-modal {
    background: var(--blanco);
    width: 90%; max-width: 700px;
    max-height: 85vh; overflow-y: auto;
    border-radius: 15px; padding: 30px;
    position: relative;
}
.boton-cerrar {
    position: absolute; top: 15px; right: 20px;
    font-size: 2rem; border: none; background: none; cursor: pointer;
}

.oculto { display: none; }