/* --- Estilos Base y Generales --- */
@import url('https://fonts.googleapis.com/css2?family=Segoe+UI:wght@400;600&display=swap');

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f7f6;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

/* --- Contenedor Universal (Para Inicio, Éxito y Fallo) --- */
.contenedor-tarjeta {
    background-color: #ffffff;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    text-align: center;
    max-width: 500px;
    width: 90%;
}

/* --- Pantalla de Inicio (Botones de Menú) --- */
.menu-opciones {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 20px;
}

.enlace-menu {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background-color: #f8f9fa;
    color: #4a90e2;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: 0.3s;
    border: 1px solid #eee;
}

.enlace-menu:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    background-color: #ffffff;
}

/* --- Pantalla de Éxito / Fallo --- */
.icono {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    margin: 0 auto 1rem;
}

.icono-exito { background-color: #d4edda; color: #28a745; }
.icono-fallo { background-color: #f8d7da; color: #dc3545; }

.boton-volver {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 20px;
    background-color: #4a90e2;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: 0.3s;
}

.boton-volver:hover { background-color: #357abd; }