body {
    font-family: Arial, sans-serif;
    background: #eef2f7;
    margin: 0;
}

.container {
    max-width: 600px;
    margin: auto;
    padding: 20px;
}

/* HEADER */
.header {
    text-align: center;
    margin-bottom: 20px;
}

.header h1 {
    font-size: 26px;
    margin-bottom: 5px;
}

.header p {
    color: gray;
}

/* TITULOS */
h2 {
    margin-top: 25px;
    font-size: 18px;
}

/* GRID BOTONES */
.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

/* BOTONES GRANDES */
.card {
    background: white;
    border-radius: 18px;
    padding: 25px 10px;
    text-align: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: 0.2s;
    user-select: none;
}

.card:hover {
    transform: scale(1.03);
}

.card.selected {
    background: #0077ff;
    color: white;
    transform: scale(1.05);
}

/* ICONOS GRANDES */
.icon {
    font-size: 34px;
    margin-bottom: 8px;
}

/* TEXTO */
.text {
    font-size: 16px;
    font-weight: bold;
}

/* BOTÓN PRINCIPAL */
.btn-main {
    width: 100%;
    margin-top: 30px;
    padding: 18px;
    font-size: 20px;
    border: none;
    border-radius: 14px;
    background: #00a651;
    color: white;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.btn-main:hover {
    background: #009145;
}

/* RESULTADOS */
#result {
    margin-top: 20px;
}

.result {
    background: white;
    padding: 15px;
    border-radius: 14px;
    margin-top: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
}

.result a {
    display: inline-block;
    margin-top: 10px;
    background: #0077ff;
    color: white;
    padding: 10px 14px;
    border-radius: 10px;
    text-decoration: none;
}